scalar: document and update fiat generation code

This commit is contained in:
Filippo Valsorda 2022-07-31 22:18:48 +02:00 committed by Filippo Valsorda
parent 50a0a9e22d
commit 467a92bcfd
4 changed files with 1161 additions and 1749 deletions

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@ -1,1729 +0,0 @@
// Autogenerated: './src/ExtractionOCaml/word_by_word_montgomery' --lang Go --cmovznz-by-mul sc255 64 '2^252 + 27742317777372353535851937790883648493'
//
// curve description: sc255
//
// machine_wordsize = 64 (from "64")
//
// requested operations: (all)
//
// m = 0x1000000000000000000000000000000014def9dea2f79cd65812631a5cf5d3ed (from "2^252 + 27742317777372353535851937790883648493")
//
//
//
// NOTE: In addition to the bounds specified above each function, all
//
// functions synthesized for this Montgomery arithmetic require the
//
// input to be strictly less than the prime modulus (m), and also
//
// require the input to be in the unique saturated representation.
//
// All functions also ensure that these two properties are true of
//
// return values.
//
//
//
// Computed values:
//
// eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192)
//
// bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
//
// twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
//
// if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
package edwards25519
import "math/bits"
type fiat_sc255_uint1 uint64 // We use uint64 instead of a more narrow type for performance reasons; see https://github.com/mit-plv/fiat-crypto/pull/1006#issuecomment-892625927
type fiat_sc255_int1 int64 // We use uint64 instead of a more narrow type for performance reasons; see https://github.com/mit-plv/fiat-crypto/pull/1006#issuecomment-892625927
// The type fiat_sc255_montgomery_domain_field_element is a field element in the Montgomery domain.
//
// Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
type fiat_sc255_montgomery_domain_field_element [4]uint64
// The type fiat_sc255_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain.
//
// Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
type fiat_sc255_non_montgomery_domain_field_element [4]uint64
// The function fiat_sc255_addcarryx_u64 is a thin wrapper around bits.Add64 that uses fiat_sc255_uint1 rather than uint64
func fiat_sc255_addcarryx_u64(x uint64, y uint64, carry fiat_sc255_uint1) (uint64, fiat_sc255_uint1) {
sum, carryOut := bits.Add64(x, y, uint64(carry))
return sum, fiat_sc255_uint1(carryOut)
}
// The function fiat_sc255_subborrowx_u64 is a thin wrapper around bits.Sub64 that uses fiat_sc255_uint1 rather than uint64
func fiat_sc255_subborrowx_u64(x uint64, y uint64, carry fiat_sc255_uint1) (uint64, fiat_sc255_uint1) {
sum, carryOut := bits.Sub64(x, y, uint64(carry))
return sum, fiat_sc255_uint1(carryOut)
}
// The function fiat_sc255_cmovznz_u64 is a single-word conditional move.
//
// Postconditions:
// out1 = (if arg1 = 0 then arg2 else arg3)
//
// Input Bounds:
// arg1: [0x0 ~> 0x1]
// arg2: [0x0 ~> 0xffffffffffffffff]
// arg3: [0x0 ~> 0xffffffffffffffff]
// Output Bounds:
// out1: [0x0 ~> 0xffffffffffffffff]
func fiat_sc255_cmovznz_u64(out1 *uint64, arg1 fiat_sc255_uint1, arg2 uint64, arg3 uint64) {
x1 := (uint64(arg1) * 0xffffffffffffffff)
x2 := ((x1 & arg3) | ((^x1) & arg2))
*out1 = x2
}
// The function fiat_sc255_mul multiplies two field elements in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// 0 ≤ eval arg2 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_mul(out1 *fiat_sc255_montgomery_domain_field_element, arg1 *fiat_sc255_montgomery_domain_field_element, arg2 *fiat_sc255_montgomery_domain_field_element) {
x1 := arg1[1]
x2 := arg1[2]
x3 := arg1[3]
x4 := arg1[0]
var x5 uint64
var x6 uint64
x6, x5 = bits.Mul64(x4, arg2[3])
var x7 uint64
var x8 uint64
x8, x7 = bits.Mul64(x4, arg2[2])
var x9 uint64
var x10 uint64
x10, x9 = bits.Mul64(x4, arg2[1])
var x11 uint64
var x12 uint64
x12, x11 = bits.Mul64(x4, arg2[0])
var x13 uint64
var x14 fiat_sc255_uint1
x13, x14 = fiat_sc255_addcarryx_u64(x12, x9, 0x0)
var x15 uint64
var x16 fiat_sc255_uint1
x15, x16 = fiat_sc255_addcarryx_u64(x10, x7, x14)
var x17 uint64
var x18 fiat_sc255_uint1
x17, x18 = fiat_sc255_addcarryx_u64(x8, x5, x16)
x19 := (uint64(x18) + x6)
var x20 uint64
_, x20 = bits.Mul64(x11, 0xd2b51da312547e1b)
var x22 uint64
var x23 uint64
x23, x22 = bits.Mul64(x20, 0x1000000000000000)
var x24 uint64
var x25 uint64
x25, x24 = bits.Mul64(x20, 0x14def9dea2f79cd6)
var x26 uint64
var x27 uint64
x27, x26 = bits.Mul64(x20, 0x5812631a5cf5d3ed)
var x28 uint64
var x29 fiat_sc255_uint1
x28, x29 = fiat_sc255_addcarryx_u64(x27, x24, 0x0)
x30 := (uint64(x29) + x25)
var x32 fiat_sc255_uint1
_, x32 = fiat_sc255_addcarryx_u64(x11, x26, 0x0)
var x33 uint64
var x34 fiat_sc255_uint1
x33, x34 = fiat_sc255_addcarryx_u64(x13, x28, x32)
var x35 uint64
var x36 fiat_sc255_uint1
x35, x36 = fiat_sc255_addcarryx_u64(x15, x30, x34)
var x37 uint64
var x38 fiat_sc255_uint1
x37, x38 = fiat_sc255_addcarryx_u64(x17, x22, x36)
var x39 uint64
var x40 fiat_sc255_uint1
x39, x40 = fiat_sc255_addcarryx_u64(x19, x23, x38)
var x41 uint64
var x42 uint64
x42, x41 = bits.Mul64(x1, arg2[3])
var x43 uint64
var x44 uint64
x44, x43 = bits.Mul64(x1, arg2[2])
var x45 uint64
var x46 uint64
x46, x45 = bits.Mul64(x1, arg2[1])
var x47 uint64
var x48 uint64
x48, x47 = bits.Mul64(x1, arg2[0])
var x49 uint64
var x50 fiat_sc255_uint1
x49, x50 = fiat_sc255_addcarryx_u64(x48, x45, 0x0)
var x51 uint64
var x52 fiat_sc255_uint1
x51, x52 = fiat_sc255_addcarryx_u64(x46, x43, x50)
var x53 uint64
var x54 fiat_sc255_uint1
x53, x54 = fiat_sc255_addcarryx_u64(x44, x41, x52)
x55 := (uint64(x54) + x42)
var x56 uint64
var x57 fiat_sc255_uint1
x56, x57 = fiat_sc255_addcarryx_u64(x33, x47, 0x0)
var x58 uint64
var x59 fiat_sc255_uint1
x58, x59 = fiat_sc255_addcarryx_u64(x35, x49, x57)
var x60 uint64
var x61 fiat_sc255_uint1
x60, x61 = fiat_sc255_addcarryx_u64(x37, x51, x59)
var x62 uint64
var x63 fiat_sc255_uint1
x62, x63 = fiat_sc255_addcarryx_u64(x39, x53, x61)
var x64 uint64
var x65 fiat_sc255_uint1
x64, x65 = fiat_sc255_addcarryx_u64(uint64(x40), x55, x63)
var x66 uint64
_, x66 = bits.Mul64(x56, 0xd2b51da312547e1b)
var x68 uint64
var x69 uint64
x69, x68 = bits.Mul64(x66, 0x1000000000000000)
var x70 uint64
var x71 uint64
x71, x70 = bits.Mul64(x66, 0x14def9dea2f79cd6)
var x72 uint64
var x73 uint64
x73, x72 = bits.Mul64(x66, 0x5812631a5cf5d3ed)
var x74 uint64
var x75 fiat_sc255_uint1
x74, x75 = fiat_sc255_addcarryx_u64(x73, x70, 0x0)
x76 := (uint64(x75) + x71)
var x78 fiat_sc255_uint1
_, x78 = fiat_sc255_addcarryx_u64(x56, x72, 0x0)
var x79 uint64
var x80 fiat_sc255_uint1
x79, x80 = fiat_sc255_addcarryx_u64(x58, x74, x78)
var x81 uint64
var x82 fiat_sc255_uint1
x81, x82 = fiat_sc255_addcarryx_u64(x60, x76, x80)
var x83 uint64
var x84 fiat_sc255_uint1
x83, x84 = fiat_sc255_addcarryx_u64(x62, x68, x82)
var x85 uint64
var x86 fiat_sc255_uint1
x85, x86 = fiat_sc255_addcarryx_u64(x64, x69, x84)
x87 := (uint64(x86) + uint64(x65))
var x88 uint64
var x89 uint64
x89, x88 = bits.Mul64(x2, arg2[3])
var x90 uint64
var x91 uint64
x91, x90 = bits.Mul64(x2, arg2[2])
var x92 uint64
var x93 uint64
x93, x92 = bits.Mul64(x2, arg2[1])
var x94 uint64
var x95 uint64
x95, x94 = bits.Mul64(x2, arg2[0])
var x96 uint64
var x97 fiat_sc255_uint1
x96, x97 = fiat_sc255_addcarryx_u64(x95, x92, 0x0)
var x98 uint64
var x99 fiat_sc255_uint1
x98, x99 = fiat_sc255_addcarryx_u64(x93, x90, x97)
var x100 uint64
var x101 fiat_sc255_uint1
x100, x101 = fiat_sc255_addcarryx_u64(x91, x88, x99)
x102 := (uint64(x101) + x89)
var x103 uint64
var x104 fiat_sc255_uint1
x103, x104 = fiat_sc255_addcarryx_u64(x79, x94, 0x0)
var x105 uint64
var x106 fiat_sc255_uint1
x105, x106 = fiat_sc255_addcarryx_u64(x81, x96, x104)
var x107 uint64
var x108 fiat_sc255_uint1
x107, x108 = fiat_sc255_addcarryx_u64(x83, x98, x106)
var x109 uint64
var x110 fiat_sc255_uint1
x109, x110 = fiat_sc255_addcarryx_u64(x85, x100, x108)
var x111 uint64
var x112 fiat_sc255_uint1
x111, x112 = fiat_sc255_addcarryx_u64(x87, x102, x110)
var x113 uint64
_, x113 = bits.Mul64(x103, 0xd2b51da312547e1b)
var x115 uint64
var x116 uint64
x116, x115 = bits.Mul64(x113, 0x1000000000000000)
var x117 uint64
var x118 uint64
x118, x117 = bits.Mul64(x113, 0x14def9dea2f79cd6)
var x119 uint64
var x120 uint64
x120, x119 = bits.Mul64(x113, 0x5812631a5cf5d3ed)
var x121 uint64
var x122 fiat_sc255_uint1
x121, x122 = fiat_sc255_addcarryx_u64(x120, x117, 0x0)
x123 := (uint64(x122) + x118)
var x125 fiat_sc255_uint1
_, x125 = fiat_sc255_addcarryx_u64(x103, x119, 0x0)
var x126 uint64
var x127 fiat_sc255_uint1
x126, x127 = fiat_sc255_addcarryx_u64(x105, x121, x125)
var x128 uint64
var x129 fiat_sc255_uint1
x128, x129 = fiat_sc255_addcarryx_u64(x107, x123, x127)
var x130 uint64
var x131 fiat_sc255_uint1
x130, x131 = fiat_sc255_addcarryx_u64(x109, x115, x129)
var x132 uint64
var x133 fiat_sc255_uint1
x132, x133 = fiat_sc255_addcarryx_u64(x111, x116, x131)
x134 := (uint64(x133) + uint64(x112))
var x135 uint64
var x136 uint64
x136, x135 = bits.Mul64(x3, arg2[3])
var x137 uint64
var x138 uint64
x138, x137 = bits.Mul64(x3, arg2[2])
var x139 uint64
var x140 uint64
x140, x139 = bits.Mul64(x3, arg2[1])
var x141 uint64
var x142 uint64
x142, x141 = bits.Mul64(x3, arg2[0])
var x143 uint64
var x144 fiat_sc255_uint1
x143, x144 = fiat_sc255_addcarryx_u64(x142, x139, 0x0)
var x145 uint64
var x146 fiat_sc255_uint1
x145, x146 = fiat_sc255_addcarryx_u64(x140, x137, x144)
var x147 uint64
var x148 fiat_sc255_uint1
x147, x148 = fiat_sc255_addcarryx_u64(x138, x135, x146)
x149 := (uint64(x148) + x136)
var x150 uint64
var x151 fiat_sc255_uint1
x150, x151 = fiat_sc255_addcarryx_u64(x126, x141, 0x0)
var x152 uint64
var x153 fiat_sc255_uint1
x152, x153 = fiat_sc255_addcarryx_u64(x128, x143, x151)
var x154 uint64
var x155 fiat_sc255_uint1
x154, x155 = fiat_sc255_addcarryx_u64(x130, x145, x153)
var x156 uint64
var x157 fiat_sc255_uint1
x156, x157 = fiat_sc255_addcarryx_u64(x132, x147, x155)
var x158 uint64
var x159 fiat_sc255_uint1
x158, x159 = fiat_sc255_addcarryx_u64(x134, x149, x157)
var x160 uint64
_, x160 = bits.Mul64(x150, 0xd2b51da312547e1b)
var x162 uint64
var x163 uint64
x163, x162 = bits.Mul64(x160, 0x1000000000000000)
var x164 uint64
var x165 uint64
x165, x164 = bits.Mul64(x160, 0x14def9dea2f79cd6)
var x166 uint64
var x167 uint64
x167, x166 = bits.Mul64(x160, 0x5812631a5cf5d3ed)
var x168 uint64
var x169 fiat_sc255_uint1
x168, x169 = fiat_sc255_addcarryx_u64(x167, x164, 0x0)
x170 := (uint64(x169) + x165)
var x172 fiat_sc255_uint1
_, x172 = fiat_sc255_addcarryx_u64(x150, x166, 0x0)
var x173 uint64
var x174 fiat_sc255_uint1
x173, x174 = fiat_sc255_addcarryx_u64(x152, x168, x172)
var x175 uint64
var x176 fiat_sc255_uint1
x175, x176 = fiat_sc255_addcarryx_u64(x154, x170, x174)
var x177 uint64
var x178 fiat_sc255_uint1
x177, x178 = fiat_sc255_addcarryx_u64(x156, x162, x176)
var x179 uint64
var x180 fiat_sc255_uint1
x179, x180 = fiat_sc255_addcarryx_u64(x158, x163, x178)
x181 := (uint64(x180) + uint64(x159))
var x182 uint64
var x183 fiat_sc255_uint1
x182, x183 = fiat_sc255_subborrowx_u64(x173, 0x5812631a5cf5d3ed, 0x0)
var x184 uint64
var x185 fiat_sc255_uint1
x184, x185 = fiat_sc255_subborrowx_u64(x175, 0x14def9dea2f79cd6, x183)
var x186 uint64
var x187 fiat_sc255_uint1
x186, x187 = fiat_sc255_subborrowx_u64(x177, uint64(0x0), x185)
var x188 uint64
var x189 fiat_sc255_uint1
x188, x189 = fiat_sc255_subborrowx_u64(x179, 0x1000000000000000, x187)
var x191 fiat_sc255_uint1
_, x191 = fiat_sc255_subborrowx_u64(x181, uint64(0x0), x189)
var x192 uint64
fiat_sc255_cmovznz_u64(&x192, x191, x182, x173)
var x193 uint64
fiat_sc255_cmovznz_u64(&x193, x191, x184, x175)
var x194 uint64
fiat_sc255_cmovznz_u64(&x194, x191, x186, x177)
var x195 uint64
fiat_sc255_cmovznz_u64(&x195, x191, x188, x179)
out1[0] = x192
out1[1] = x193
out1[2] = x194
out1[3] = x195
}
// The function fiat_sc255_square squares a field element in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_square(out1 *fiat_sc255_montgomery_domain_field_element, arg1 *fiat_sc255_montgomery_domain_field_element) {
x1 := arg1[1]
x2 := arg1[2]
x3 := arg1[3]
x4 := arg1[0]
var x5 uint64
var x6 uint64
x6, x5 = bits.Mul64(x4, arg1[3])
var x7 uint64
var x8 uint64
x8, x7 = bits.Mul64(x4, arg1[2])
var x9 uint64
var x10 uint64
x10, x9 = bits.Mul64(x4, arg1[1])
var x11 uint64
var x12 uint64
x12, x11 = bits.Mul64(x4, arg1[0])
var x13 uint64
var x14 fiat_sc255_uint1
x13, x14 = fiat_sc255_addcarryx_u64(x12, x9, 0x0)
var x15 uint64
var x16 fiat_sc255_uint1
x15, x16 = fiat_sc255_addcarryx_u64(x10, x7, x14)
var x17 uint64
var x18 fiat_sc255_uint1
x17, x18 = fiat_sc255_addcarryx_u64(x8, x5, x16)
x19 := (uint64(x18) + x6)
var x20 uint64
_, x20 = bits.Mul64(x11, 0xd2b51da312547e1b)
var x22 uint64
var x23 uint64
x23, x22 = bits.Mul64(x20, 0x1000000000000000)
var x24 uint64
var x25 uint64
x25, x24 = bits.Mul64(x20, 0x14def9dea2f79cd6)
var x26 uint64
var x27 uint64
x27, x26 = bits.Mul64(x20, 0x5812631a5cf5d3ed)
var x28 uint64
var x29 fiat_sc255_uint1
x28, x29 = fiat_sc255_addcarryx_u64(x27, x24, 0x0)
x30 := (uint64(x29) + x25)
var x32 fiat_sc255_uint1
_, x32 = fiat_sc255_addcarryx_u64(x11, x26, 0x0)
var x33 uint64
var x34 fiat_sc255_uint1
x33, x34 = fiat_sc255_addcarryx_u64(x13, x28, x32)
var x35 uint64
var x36 fiat_sc255_uint1
x35, x36 = fiat_sc255_addcarryx_u64(x15, x30, x34)
var x37 uint64
var x38 fiat_sc255_uint1
x37, x38 = fiat_sc255_addcarryx_u64(x17, x22, x36)
var x39 uint64
var x40 fiat_sc255_uint1
x39, x40 = fiat_sc255_addcarryx_u64(x19, x23, x38)
var x41 uint64
var x42 uint64
x42, x41 = bits.Mul64(x1, arg1[3])
var x43 uint64
var x44 uint64
x44, x43 = bits.Mul64(x1, arg1[2])
var x45 uint64
var x46 uint64
x46, x45 = bits.Mul64(x1, arg1[1])
var x47 uint64
var x48 uint64
x48, x47 = bits.Mul64(x1, arg1[0])
var x49 uint64
var x50 fiat_sc255_uint1
x49, x50 = fiat_sc255_addcarryx_u64(x48, x45, 0x0)
var x51 uint64
var x52 fiat_sc255_uint1
x51, x52 = fiat_sc255_addcarryx_u64(x46, x43, x50)
var x53 uint64
var x54 fiat_sc255_uint1
x53, x54 = fiat_sc255_addcarryx_u64(x44, x41, x52)
x55 := (uint64(x54) + x42)
var x56 uint64
var x57 fiat_sc255_uint1
x56, x57 = fiat_sc255_addcarryx_u64(x33, x47, 0x0)
var x58 uint64
var x59 fiat_sc255_uint1
x58, x59 = fiat_sc255_addcarryx_u64(x35, x49, x57)
var x60 uint64
var x61 fiat_sc255_uint1
x60, x61 = fiat_sc255_addcarryx_u64(x37, x51, x59)
var x62 uint64
var x63 fiat_sc255_uint1
x62, x63 = fiat_sc255_addcarryx_u64(x39, x53, x61)
var x64 uint64
var x65 fiat_sc255_uint1
x64, x65 = fiat_sc255_addcarryx_u64(uint64(x40), x55, x63)
var x66 uint64
_, x66 = bits.Mul64(x56, 0xd2b51da312547e1b)
var x68 uint64
var x69 uint64
x69, x68 = bits.Mul64(x66, 0x1000000000000000)
var x70 uint64
var x71 uint64
x71, x70 = bits.Mul64(x66, 0x14def9dea2f79cd6)
var x72 uint64
var x73 uint64
x73, x72 = bits.Mul64(x66, 0x5812631a5cf5d3ed)
var x74 uint64
var x75 fiat_sc255_uint1
x74, x75 = fiat_sc255_addcarryx_u64(x73, x70, 0x0)
x76 := (uint64(x75) + x71)
var x78 fiat_sc255_uint1
_, x78 = fiat_sc255_addcarryx_u64(x56, x72, 0x0)
var x79 uint64
var x80 fiat_sc255_uint1
x79, x80 = fiat_sc255_addcarryx_u64(x58, x74, x78)
var x81 uint64
var x82 fiat_sc255_uint1
x81, x82 = fiat_sc255_addcarryx_u64(x60, x76, x80)
var x83 uint64
var x84 fiat_sc255_uint1
x83, x84 = fiat_sc255_addcarryx_u64(x62, x68, x82)
var x85 uint64
var x86 fiat_sc255_uint1
x85, x86 = fiat_sc255_addcarryx_u64(x64, x69, x84)
x87 := (uint64(x86) + uint64(x65))
var x88 uint64
var x89 uint64
x89, x88 = bits.Mul64(x2, arg1[3])
var x90 uint64
var x91 uint64
x91, x90 = bits.Mul64(x2, arg1[2])
var x92 uint64
var x93 uint64
x93, x92 = bits.Mul64(x2, arg1[1])
var x94 uint64
var x95 uint64
x95, x94 = bits.Mul64(x2, arg1[0])
var x96 uint64
var x97 fiat_sc255_uint1
x96, x97 = fiat_sc255_addcarryx_u64(x95, x92, 0x0)
var x98 uint64
var x99 fiat_sc255_uint1
x98, x99 = fiat_sc255_addcarryx_u64(x93, x90, x97)
var x100 uint64
var x101 fiat_sc255_uint1
x100, x101 = fiat_sc255_addcarryx_u64(x91, x88, x99)
x102 := (uint64(x101) + x89)
var x103 uint64
var x104 fiat_sc255_uint1
x103, x104 = fiat_sc255_addcarryx_u64(x79, x94, 0x0)
var x105 uint64
var x106 fiat_sc255_uint1
x105, x106 = fiat_sc255_addcarryx_u64(x81, x96, x104)
var x107 uint64
var x108 fiat_sc255_uint1
x107, x108 = fiat_sc255_addcarryx_u64(x83, x98, x106)
var x109 uint64
var x110 fiat_sc255_uint1
x109, x110 = fiat_sc255_addcarryx_u64(x85, x100, x108)
var x111 uint64
var x112 fiat_sc255_uint1
x111, x112 = fiat_sc255_addcarryx_u64(x87, x102, x110)
var x113 uint64
_, x113 = bits.Mul64(x103, 0xd2b51da312547e1b)
var x115 uint64
var x116 uint64
x116, x115 = bits.Mul64(x113, 0x1000000000000000)
var x117 uint64
var x118 uint64
x118, x117 = bits.Mul64(x113, 0x14def9dea2f79cd6)
var x119 uint64
var x120 uint64
x120, x119 = bits.Mul64(x113, 0x5812631a5cf5d3ed)
var x121 uint64
var x122 fiat_sc255_uint1
x121, x122 = fiat_sc255_addcarryx_u64(x120, x117, 0x0)
x123 := (uint64(x122) + x118)
var x125 fiat_sc255_uint1
_, x125 = fiat_sc255_addcarryx_u64(x103, x119, 0x0)
var x126 uint64
var x127 fiat_sc255_uint1
x126, x127 = fiat_sc255_addcarryx_u64(x105, x121, x125)
var x128 uint64
var x129 fiat_sc255_uint1
x128, x129 = fiat_sc255_addcarryx_u64(x107, x123, x127)
var x130 uint64
var x131 fiat_sc255_uint1
x130, x131 = fiat_sc255_addcarryx_u64(x109, x115, x129)
var x132 uint64
var x133 fiat_sc255_uint1
x132, x133 = fiat_sc255_addcarryx_u64(x111, x116, x131)
x134 := (uint64(x133) + uint64(x112))
var x135 uint64
var x136 uint64
x136, x135 = bits.Mul64(x3, arg1[3])
var x137 uint64
var x138 uint64
x138, x137 = bits.Mul64(x3, arg1[2])
var x139 uint64
var x140 uint64
x140, x139 = bits.Mul64(x3, arg1[1])
var x141 uint64
var x142 uint64
x142, x141 = bits.Mul64(x3, arg1[0])
var x143 uint64
var x144 fiat_sc255_uint1
x143, x144 = fiat_sc255_addcarryx_u64(x142, x139, 0x0)
var x145 uint64
var x146 fiat_sc255_uint1
x145, x146 = fiat_sc255_addcarryx_u64(x140, x137, x144)
var x147 uint64
var x148 fiat_sc255_uint1
x147, x148 = fiat_sc255_addcarryx_u64(x138, x135, x146)
x149 := (uint64(x148) + x136)
var x150 uint64
var x151 fiat_sc255_uint1
x150, x151 = fiat_sc255_addcarryx_u64(x126, x141, 0x0)
var x152 uint64
var x153 fiat_sc255_uint1
x152, x153 = fiat_sc255_addcarryx_u64(x128, x143, x151)
var x154 uint64
var x155 fiat_sc255_uint1
x154, x155 = fiat_sc255_addcarryx_u64(x130, x145, x153)
var x156 uint64
var x157 fiat_sc255_uint1
x156, x157 = fiat_sc255_addcarryx_u64(x132, x147, x155)
var x158 uint64
var x159 fiat_sc255_uint1
x158, x159 = fiat_sc255_addcarryx_u64(x134, x149, x157)
var x160 uint64
_, x160 = bits.Mul64(x150, 0xd2b51da312547e1b)
var x162 uint64
var x163 uint64
x163, x162 = bits.Mul64(x160, 0x1000000000000000)
var x164 uint64
var x165 uint64
x165, x164 = bits.Mul64(x160, 0x14def9dea2f79cd6)
var x166 uint64
var x167 uint64
x167, x166 = bits.Mul64(x160, 0x5812631a5cf5d3ed)
var x168 uint64
var x169 fiat_sc255_uint1
x168, x169 = fiat_sc255_addcarryx_u64(x167, x164, 0x0)
x170 := (uint64(x169) + x165)
var x172 fiat_sc255_uint1
_, x172 = fiat_sc255_addcarryx_u64(x150, x166, 0x0)
var x173 uint64
var x174 fiat_sc255_uint1
x173, x174 = fiat_sc255_addcarryx_u64(x152, x168, x172)
var x175 uint64
var x176 fiat_sc255_uint1
x175, x176 = fiat_sc255_addcarryx_u64(x154, x170, x174)
var x177 uint64
var x178 fiat_sc255_uint1
x177, x178 = fiat_sc255_addcarryx_u64(x156, x162, x176)
var x179 uint64
var x180 fiat_sc255_uint1
x179, x180 = fiat_sc255_addcarryx_u64(x158, x163, x178)
x181 := (uint64(x180) + uint64(x159))
var x182 uint64
var x183 fiat_sc255_uint1
x182, x183 = fiat_sc255_subborrowx_u64(x173, 0x5812631a5cf5d3ed, 0x0)
var x184 uint64
var x185 fiat_sc255_uint1
x184, x185 = fiat_sc255_subborrowx_u64(x175, 0x14def9dea2f79cd6, x183)
var x186 uint64
var x187 fiat_sc255_uint1
x186, x187 = fiat_sc255_subborrowx_u64(x177, uint64(0x0), x185)
var x188 uint64
var x189 fiat_sc255_uint1
x188, x189 = fiat_sc255_subborrowx_u64(x179, 0x1000000000000000, x187)
var x191 fiat_sc255_uint1
_, x191 = fiat_sc255_subborrowx_u64(x181, uint64(0x0), x189)
var x192 uint64
fiat_sc255_cmovznz_u64(&x192, x191, x182, x173)
var x193 uint64
fiat_sc255_cmovznz_u64(&x193, x191, x184, x175)
var x194 uint64
fiat_sc255_cmovznz_u64(&x194, x191, x186, x177)
var x195 uint64
fiat_sc255_cmovznz_u64(&x195, x191, x188, x179)
out1[0] = x192
out1[1] = x193
out1[2] = x194
out1[3] = x195
}
// The function fiat_sc255_add adds two field elements in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// 0 ≤ eval arg2 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_add(out1 *fiat_sc255_montgomery_domain_field_element, arg1 *fiat_sc255_montgomery_domain_field_element, arg2 *fiat_sc255_montgomery_domain_field_element) {
var x1 uint64
var x2 fiat_sc255_uint1
x1, x2 = fiat_sc255_addcarryx_u64(arg1[0], arg2[0], 0x0)
var x3 uint64
var x4 fiat_sc255_uint1
x3, x4 = fiat_sc255_addcarryx_u64(arg1[1], arg2[1], x2)
var x5 uint64
var x6 fiat_sc255_uint1
x5, x6 = fiat_sc255_addcarryx_u64(arg1[2], arg2[2], x4)
var x7 uint64
var x8 fiat_sc255_uint1
x7, x8 = fiat_sc255_addcarryx_u64(arg1[3], arg2[3], x6)
var x9 uint64
var x10 fiat_sc255_uint1
x9, x10 = fiat_sc255_subborrowx_u64(x1, 0x5812631a5cf5d3ed, 0x0)
var x11 uint64
var x12 fiat_sc255_uint1
x11, x12 = fiat_sc255_subborrowx_u64(x3, 0x14def9dea2f79cd6, x10)
var x13 uint64
var x14 fiat_sc255_uint1
x13, x14 = fiat_sc255_subborrowx_u64(x5, uint64(0x0), x12)
var x15 uint64
var x16 fiat_sc255_uint1
x15, x16 = fiat_sc255_subborrowx_u64(x7, 0x1000000000000000, x14)
var x18 fiat_sc255_uint1
_, x18 = fiat_sc255_subborrowx_u64(uint64(x8), uint64(0x0), x16)
var x19 uint64
fiat_sc255_cmovznz_u64(&x19, x18, x9, x1)
var x20 uint64
fiat_sc255_cmovznz_u64(&x20, x18, x11, x3)
var x21 uint64
fiat_sc255_cmovznz_u64(&x21, x18, x13, x5)
var x22 uint64
fiat_sc255_cmovznz_u64(&x22, x18, x15, x7)
out1[0] = x19
out1[1] = x20
out1[2] = x21
out1[3] = x22
}
// The function fiat_sc255_sub subtracts two field elements in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// 0 ≤ eval arg2 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_sub(out1 *fiat_sc255_montgomery_domain_field_element, arg1 *fiat_sc255_montgomery_domain_field_element, arg2 *fiat_sc255_montgomery_domain_field_element) {
var x1 uint64
var x2 fiat_sc255_uint1
x1, x2 = fiat_sc255_subborrowx_u64(arg1[0], arg2[0], 0x0)
var x3 uint64
var x4 fiat_sc255_uint1
x3, x4 = fiat_sc255_subborrowx_u64(arg1[1], arg2[1], x2)
var x5 uint64
var x6 fiat_sc255_uint1
x5, x6 = fiat_sc255_subborrowx_u64(arg1[2], arg2[2], x4)
var x7 uint64
var x8 fiat_sc255_uint1
x7, x8 = fiat_sc255_subborrowx_u64(arg1[3], arg2[3], x6)
var x9 uint64
fiat_sc255_cmovznz_u64(&x9, x8, uint64(0x0), 0xffffffffffffffff)
var x10 uint64
var x11 fiat_sc255_uint1
x10, x11 = fiat_sc255_addcarryx_u64(x1, (x9 & 0x5812631a5cf5d3ed), 0x0)
var x12 uint64
var x13 fiat_sc255_uint1
x12, x13 = fiat_sc255_addcarryx_u64(x3, (x9 & 0x14def9dea2f79cd6), x11)
var x14 uint64
var x15 fiat_sc255_uint1
x14, x15 = fiat_sc255_addcarryx_u64(x5, uint64(0x0), x13)
var x16 uint64
x16, _ = fiat_sc255_addcarryx_u64(x7, (x9 & 0x1000000000000000), x15)
out1[0] = x10
out1[1] = x12
out1[2] = x14
out1[3] = x16
}
// The function fiat_sc255_opp negates a field element in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_opp(out1 *fiat_sc255_montgomery_domain_field_element, arg1 *fiat_sc255_montgomery_domain_field_element) {
var x1 uint64
var x2 fiat_sc255_uint1
x1, x2 = fiat_sc255_subborrowx_u64(uint64(0x0), arg1[0], 0x0)
var x3 uint64
var x4 fiat_sc255_uint1
x3, x4 = fiat_sc255_subborrowx_u64(uint64(0x0), arg1[1], x2)
var x5 uint64
var x6 fiat_sc255_uint1
x5, x6 = fiat_sc255_subborrowx_u64(uint64(0x0), arg1[2], x4)
var x7 uint64
var x8 fiat_sc255_uint1
x7, x8 = fiat_sc255_subborrowx_u64(uint64(0x0), arg1[3], x6)
var x9 uint64
fiat_sc255_cmovznz_u64(&x9, x8, uint64(0x0), 0xffffffffffffffff)
var x10 uint64
var x11 fiat_sc255_uint1
x10, x11 = fiat_sc255_addcarryx_u64(x1, (x9 & 0x5812631a5cf5d3ed), 0x0)
var x12 uint64
var x13 fiat_sc255_uint1
x12, x13 = fiat_sc255_addcarryx_u64(x3, (x9 & 0x14def9dea2f79cd6), x11)
var x14 uint64
var x15 fiat_sc255_uint1
x14, x15 = fiat_sc255_addcarryx_u64(x5, uint64(0x0), x13)
var x16 uint64
x16, _ = fiat_sc255_addcarryx_u64(x7, (x9 & 0x1000000000000000), x15)
out1[0] = x10
out1[1] = x12
out1[2] = x14
out1[3] = x16
}
// The function fiat_sc255_from_montgomery translates a field element out of the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^4) mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_from_montgomery(out1 *fiat_sc255_non_montgomery_domain_field_element, arg1 *fiat_sc255_montgomery_domain_field_element) {
x1 := arg1[0]
var x2 uint64
_, x2 = bits.Mul64(x1, 0xd2b51da312547e1b)
var x4 uint64
var x5 uint64
x5, x4 = bits.Mul64(x2, 0x1000000000000000)
var x6 uint64
var x7 uint64
x7, x6 = bits.Mul64(x2, 0x14def9dea2f79cd6)
var x8 uint64
var x9 uint64
x9, x8 = bits.Mul64(x2, 0x5812631a5cf5d3ed)
var x10 uint64
var x11 fiat_sc255_uint1
x10, x11 = fiat_sc255_addcarryx_u64(x9, x6, 0x0)
var x13 fiat_sc255_uint1
_, x13 = fiat_sc255_addcarryx_u64(x1, x8, 0x0)
var x14 uint64
var x15 fiat_sc255_uint1
x14, x15 = fiat_sc255_addcarryx_u64(uint64(0x0), x10, x13)
var x16 uint64
var x17 fiat_sc255_uint1
x16, x17 = fiat_sc255_addcarryx_u64(x14, arg1[1], 0x0)
var x18 uint64
_, x18 = bits.Mul64(x16, 0xd2b51da312547e1b)
var x20 uint64
var x21 uint64
x21, x20 = bits.Mul64(x18, 0x1000000000000000)
var x22 uint64
var x23 uint64
x23, x22 = bits.Mul64(x18, 0x14def9dea2f79cd6)
var x24 uint64
var x25 uint64
x25, x24 = bits.Mul64(x18, 0x5812631a5cf5d3ed)
var x26 uint64
var x27 fiat_sc255_uint1
x26, x27 = fiat_sc255_addcarryx_u64(x25, x22, 0x0)
var x29 fiat_sc255_uint1
_, x29 = fiat_sc255_addcarryx_u64(x16, x24, 0x0)
var x30 uint64
var x31 fiat_sc255_uint1
x30, x31 = fiat_sc255_addcarryx_u64((uint64(x17) + (uint64(x15) + (uint64(x11) + x7))), x26, x29)
var x32 uint64
var x33 fiat_sc255_uint1
x32, x33 = fiat_sc255_addcarryx_u64(x4, (uint64(x27) + x23), x31)
var x34 uint64
var x35 fiat_sc255_uint1
x34, x35 = fiat_sc255_addcarryx_u64(x5, x20, x33)
var x36 uint64
var x37 fiat_sc255_uint1
x36, x37 = fiat_sc255_addcarryx_u64(x30, arg1[2], 0x0)
var x38 uint64
var x39 fiat_sc255_uint1
x38, x39 = fiat_sc255_addcarryx_u64(x32, uint64(0x0), x37)
var x40 uint64
var x41 fiat_sc255_uint1
x40, x41 = fiat_sc255_addcarryx_u64(x34, uint64(0x0), x39)
var x42 uint64
_, x42 = bits.Mul64(x36, 0xd2b51da312547e1b)
var x44 uint64
var x45 uint64
x45, x44 = bits.Mul64(x42, 0x1000000000000000)
var x46 uint64
var x47 uint64
x47, x46 = bits.Mul64(x42, 0x14def9dea2f79cd6)
var x48 uint64
var x49 uint64
x49, x48 = bits.Mul64(x42, 0x5812631a5cf5d3ed)
var x50 uint64
var x51 fiat_sc255_uint1
x50, x51 = fiat_sc255_addcarryx_u64(x49, x46, 0x0)
var x53 fiat_sc255_uint1
_, x53 = fiat_sc255_addcarryx_u64(x36, x48, 0x0)
var x54 uint64
var x55 fiat_sc255_uint1
x54, x55 = fiat_sc255_addcarryx_u64(x38, x50, x53)
var x56 uint64
var x57 fiat_sc255_uint1
x56, x57 = fiat_sc255_addcarryx_u64(x40, (uint64(x51) + x47), x55)
var x58 uint64
var x59 fiat_sc255_uint1
x58, x59 = fiat_sc255_addcarryx_u64((uint64(x41) + (uint64(x35) + x21)), x44, x57)
var x60 uint64
var x61 fiat_sc255_uint1
x60, x61 = fiat_sc255_addcarryx_u64(x54, arg1[3], 0x0)
var x62 uint64
var x63 fiat_sc255_uint1
x62, x63 = fiat_sc255_addcarryx_u64(x56, uint64(0x0), x61)
var x64 uint64
var x65 fiat_sc255_uint1
x64, x65 = fiat_sc255_addcarryx_u64(x58, uint64(0x0), x63)
var x66 uint64
_, x66 = bits.Mul64(x60, 0xd2b51da312547e1b)
var x68 uint64
var x69 uint64
x69, x68 = bits.Mul64(x66, 0x1000000000000000)
var x70 uint64
var x71 uint64
x71, x70 = bits.Mul64(x66, 0x14def9dea2f79cd6)
var x72 uint64
var x73 uint64
x73, x72 = bits.Mul64(x66, 0x5812631a5cf5d3ed)
var x74 uint64
var x75 fiat_sc255_uint1
x74, x75 = fiat_sc255_addcarryx_u64(x73, x70, 0x0)
var x77 fiat_sc255_uint1
_, x77 = fiat_sc255_addcarryx_u64(x60, x72, 0x0)
var x78 uint64
var x79 fiat_sc255_uint1
x78, x79 = fiat_sc255_addcarryx_u64(x62, x74, x77)
var x80 uint64
var x81 fiat_sc255_uint1
x80, x81 = fiat_sc255_addcarryx_u64(x64, (uint64(x75) + x71), x79)
var x82 uint64
var x83 fiat_sc255_uint1
x82, x83 = fiat_sc255_addcarryx_u64((uint64(x65) + (uint64(x59) + x45)), x68, x81)
x84 := (uint64(x83) + x69)
var x85 uint64
var x86 fiat_sc255_uint1
x85, x86 = fiat_sc255_subborrowx_u64(x78, 0x5812631a5cf5d3ed, 0x0)
var x87 uint64
var x88 fiat_sc255_uint1
x87, x88 = fiat_sc255_subborrowx_u64(x80, 0x14def9dea2f79cd6, x86)
var x89 uint64
var x90 fiat_sc255_uint1
x89, x90 = fiat_sc255_subborrowx_u64(x82, uint64(0x0), x88)
var x91 uint64
var x92 fiat_sc255_uint1
x91, x92 = fiat_sc255_subborrowx_u64(x84, 0x1000000000000000, x90)
var x94 fiat_sc255_uint1
_, x94 = fiat_sc255_subborrowx_u64(uint64(0x0), uint64(0x0), x92)
var x95 uint64
fiat_sc255_cmovznz_u64(&x95, x94, x85, x78)
var x96 uint64
fiat_sc255_cmovznz_u64(&x96, x94, x87, x80)
var x97 uint64
fiat_sc255_cmovznz_u64(&x97, x94, x89, x82)
var x98 uint64
fiat_sc255_cmovznz_u64(&x98, x94, x91, x84)
out1[0] = x95
out1[1] = x96
out1[2] = x97
out1[3] = x98
}
// The function fiat_sc255_to_montgomery translates a field element into the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval (from_montgomery out1) mod m = eval arg1 mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_to_montgomery(out1 *fiat_sc255_montgomery_domain_field_element, arg1 *fiat_sc255_non_montgomery_domain_field_element) {
x1 := arg1[1]
x2 := arg1[2]
x3 := arg1[3]
x4 := arg1[0]
var x5 uint64
var x6 uint64
x6, x5 = bits.Mul64(x4, 0x399411b7c309a3d)
var x7 uint64
var x8 uint64
x8, x7 = bits.Mul64(x4, 0xceec73d217f5be65)
var x9 uint64
var x10 uint64
x10, x9 = bits.Mul64(x4, 0xd00e1ba768859347)
var x11 uint64
var x12 uint64
x12, x11 = bits.Mul64(x4, 0xa40611e3449c0f01)
var x13 uint64
var x14 fiat_sc255_uint1
x13, x14 = fiat_sc255_addcarryx_u64(x12, x9, 0x0)
var x15 uint64
var x16 fiat_sc255_uint1
x15, x16 = fiat_sc255_addcarryx_u64(x10, x7, x14)
var x17 uint64
var x18 fiat_sc255_uint1
x17, x18 = fiat_sc255_addcarryx_u64(x8, x5, x16)
var x19 uint64
_, x19 = bits.Mul64(x11, 0xd2b51da312547e1b)
var x21 uint64
var x22 uint64
x22, x21 = bits.Mul64(x19, 0x1000000000000000)
var x23 uint64
var x24 uint64
x24, x23 = bits.Mul64(x19, 0x14def9dea2f79cd6)
var x25 uint64
var x26 uint64
x26, x25 = bits.Mul64(x19, 0x5812631a5cf5d3ed)
var x27 uint64
var x28 fiat_sc255_uint1
x27, x28 = fiat_sc255_addcarryx_u64(x26, x23, 0x0)
var x30 fiat_sc255_uint1
_, x30 = fiat_sc255_addcarryx_u64(x11, x25, 0x0)
var x31 uint64
var x32 fiat_sc255_uint1
x31, x32 = fiat_sc255_addcarryx_u64(x13, x27, x30)
var x33 uint64
var x34 fiat_sc255_uint1
x33, x34 = fiat_sc255_addcarryx_u64(x15, (uint64(x28) + x24), x32)
var x35 uint64
var x36 fiat_sc255_uint1
x35, x36 = fiat_sc255_addcarryx_u64(x17, x21, x34)
var x37 uint64
var x38 uint64
x38, x37 = bits.Mul64(x1, 0x399411b7c309a3d)
var x39 uint64
var x40 uint64
x40, x39 = bits.Mul64(x1, 0xceec73d217f5be65)
var x41 uint64
var x42 uint64
x42, x41 = bits.Mul64(x1, 0xd00e1ba768859347)
var x43 uint64
var x44 uint64
x44, x43 = bits.Mul64(x1, 0xa40611e3449c0f01)
var x45 uint64
var x46 fiat_sc255_uint1
x45, x46 = fiat_sc255_addcarryx_u64(x44, x41, 0x0)
var x47 uint64
var x48 fiat_sc255_uint1
x47, x48 = fiat_sc255_addcarryx_u64(x42, x39, x46)
var x49 uint64
var x50 fiat_sc255_uint1
x49, x50 = fiat_sc255_addcarryx_u64(x40, x37, x48)
var x51 uint64
var x52 fiat_sc255_uint1
x51, x52 = fiat_sc255_addcarryx_u64(x31, x43, 0x0)
var x53 uint64
var x54 fiat_sc255_uint1
x53, x54 = fiat_sc255_addcarryx_u64(x33, x45, x52)
var x55 uint64
var x56 fiat_sc255_uint1
x55, x56 = fiat_sc255_addcarryx_u64(x35, x47, x54)
var x57 uint64
var x58 fiat_sc255_uint1
x57, x58 = fiat_sc255_addcarryx_u64(((uint64(x36) + (uint64(x18) + x6)) + x22), x49, x56)
var x59 uint64
_, x59 = bits.Mul64(x51, 0xd2b51da312547e1b)
var x61 uint64
var x62 uint64
x62, x61 = bits.Mul64(x59, 0x1000000000000000)
var x63 uint64
var x64 uint64
x64, x63 = bits.Mul64(x59, 0x14def9dea2f79cd6)
var x65 uint64
var x66 uint64
x66, x65 = bits.Mul64(x59, 0x5812631a5cf5d3ed)
var x67 uint64
var x68 fiat_sc255_uint1
x67, x68 = fiat_sc255_addcarryx_u64(x66, x63, 0x0)
var x70 fiat_sc255_uint1
_, x70 = fiat_sc255_addcarryx_u64(x51, x65, 0x0)
var x71 uint64
var x72 fiat_sc255_uint1
x71, x72 = fiat_sc255_addcarryx_u64(x53, x67, x70)
var x73 uint64
var x74 fiat_sc255_uint1
x73, x74 = fiat_sc255_addcarryx_u64(x55, (uint64(x68) + x64), x72)
var x75 uint64
var x76 fiat_sc255_uint1
x75, x76 = fiat_sc255_addcarryx_u64(x57, x61, x74)
var x77 uint64
var x78 uint64
x78, x77 = bits.Mul64(x2, 0x399411b7c309a3d)
var x79 uint64
var x80 uint64
x80, x79 = bits.Mul64(x2, 0xceec73d217f5be65)
var x81 uint64
var x82 uint64
x82, x81 = bits.Mul64(x2, 0xd00e1ba768859347)
var x83 uint64
var x84 uint64
x84, x83 = bits.Mul64(x2, 0xa40611e3449c0f01)
var x85 uint64
var x86 fiat_sc255_uint1
x85, x86 = fiat_sc255_addcarryx_u64(x84, x81, 0x0)
var x87 uint64
var x88 fiat_sc255_uint1
x87, x88 = fiat_sc255_addcarryx_u64(x82, x79, x86)
var x89 uint64
var x90 fiat_sc255_uint1
x89, x90 = fiat_sc255_addcarryx_u64(x80, x77, x88)
var x91 uint64
var x92 fiat_sc255_uint1
x91, x92 = fiat_sc255_addcarryx_u64(x71, x83, 0x0)
var x93 uint64
var x94 fiat_sc255_uint1
x93, x94 = fiat_sc255_addcarryx_u64(x73, x85, x92)
var x95 uint64
var x96 fiat_sc255_uint1
x95, x96 = fiat_sc255_addcarryx_u64(x75, x87, x94)
var x97 uint64
var x98 fiat_sc255_uint1
x97, x98 = fiat_sc255_addcarryx_u64(((uint64(x76) + (uint64(x58) + (uint64(x50) + x38))) + x62), x89, x96)
var x99 uint64
_, x99 = bits.Mul64(x91, 0xd2b51da312547e1b)
var x101 uint64
var x102 uint64
x102, x101 = bits.Mul64(x99, 0x1000000000000000)
var x103 uint64
var x104 uint64
x104, x103 = bits.Mul64(x99, 0x14def9dea2f79cd6)
var x105 uint64
var x106 uint64
x106, x105 = bits.Mul64(x99, 0x5812631a5cf5d3ed)
var x107 uint64
var x108 fiat_sc255_uint1
x107, x108 = fiat_sc255_addcarryx_u64(x106, x103, 0x0)
var x110 fiat_sc255_uint1
_, x110 = fiat_sc255_addcarryx_u64(x91, x105, 0x0)
var x111 uint64
var x112 fiat_sc255_uint1
x111, x112 = fiat_sc255_addcarryx_u64(x93, x107, x110)
var x113 uint64
var x114 fiat_sc255_uint1
x113, x114 = fiat_sc255_addcarryx_u64(x95, (uint64(x108) + x104), x112)
var x115 uint64
var x116 fiat_sc255_uint1
x115, x116 = fiat_sc255_addcarryx_u64(x97, x101, x114)
var x117 uint64
var x118 uint64
x118, x117 = bits.Mul64(x3, 0x399411b7c309a3d)
var x119 uint64
var x120 uint64
x120, x119 = bits.Mul64(x3, 0xceec73d217f5be65)
var x121 uint64
var x122 uint64
x122, x121 = bits.Mul64(x3, 0xd00e1ba768859347)
var x123 uint64
var x124 uint64
x124, x123 = bits.Mul64(x3, 0xa40611e3449c0f01)
var x125 uint64
var x126 fiat_sc255_uint1
x125, x126 = fiat_sc255_addcarryx_u64(x124, x121, 0x0)
var x127 uint64
var x128 fiat_sc255_uint1
x127, x128 = fiat_sc255_addcarryx_u64(x122, x119, x126)
var x129 uint64
var x130 fiat_sc255_uint1
x129, x130 = fiat_sc255_addcarryx_u64(x120, x117, x128)
var x131 uint64
var x132 fiat_sc255_uint1
x131, x132 = fiat_sc255_addcarryx_u64(x111, x123, 0x0)
var x133 uint64
var x134 fiat_sc255_uint1
x133, x134 = fiat_sc255_addcarryx_u64(x113, x125, x132)
var x135 uint64
var x136 fiat_sc255_uint1
x135, x136 = fiat_sc255_addcarryx_u64(x115, x127, x134)
var x137 uint64
var x138 fiat_sc255_uint1
x137, x138 = fiat_sc255_addcarryx_u64(((uint64(x116) + (uint64(x98) + (uint64(x90) + x78))) + x102), x129, x136)
var x139 uint64
_, x139 = bits.Mul64(x131, 0xd2b51da312547e1b)
var x141 uint64
var x142 uint64
x142, x141 = bits.Mul64(x139, 0x1000000000000000)
var x143 uint64
var x144 uint64
x144, x143 = bits.Mul64(x139, 0x14def9dea2f79cd6)
var x145 uint64
var x146 uint64
x146, x145 = bits.Mul64(x139, 0x5812631a5cf5d3ed)
var x147 uint64
var x148 fiat_sc255_uint1
x147, x148 = fiat_sc255_addcarryx_u64(x146, x143, 0x0)
var x150 fiat_sc255_uint1
_, x150 = fiat_sc255_addcarryx_u64(x131, x145, 0x0)
var x151 uint64
var x152 fiat_sc255_uint1
x151, x152 = fiat_sc255_addcarryx_u64(x133, x147, x150)
var x153 uint64
var x154 fiat_sc255_uint1
x153, x154 = fiat_sc255_addcarryx_u64(x135, (uint64(x148) + x144), x152)
var x155 uint64
var x156 fiat_sc255_uint1
x155, x156 = fiat_sc255_addcarryx_u64(x137, x141, x154)
x157 := ((uint64(x156) + (uint64(x138) + (uint64(x130) + x118))) + x142)
var x158 uint64
var x159 fiat_sc255_uint1
x158, x159 = fiat_sc255_subborrowx_u64(x151, 0x5812631a5cf5d3ed, 0x0)
var x160 uint64
var x161 fiat_sc255_uint1
x160, x161 = fiat_sc255_subborrowx_u64(x153, 0x14def9dea2f79cd6, x159)
var x162 uint64
var x163 fiat_sc255_uint1
x162, x163 = fiat_sc255_subborrowx_u64(x155, uint64(0x0), x161)
var x164 uint64
var x165 fiat_sc255_uint1
x164, x165 = fiat_sc255_subborrowx_u64(x157, 0x1000000000000000, x163)
var x167 fiat_sc255_uint1
_, x167 = fiat_sc255_subborrowx_u64(uint64(0x0), uint64(0x0), x165)
var x168 uint64
fiat_sc255_cmovznz_u64(&x168, x167, x158, x151)
var x169 uint64
fiat_sc255_cmovznz_u64(&x169, x167, x160, x153)
var x170 uint64
fiat_sc255_cmovznz_u64(&x170, x167, x162, x155)
var x171 uint64
fiat_sc255_cmovznz_u64(&x171, x167, x164, x157)
out1[0] = x168
out1[1] = x169
out1[2] = x170
out1[3] = x171
}
// The function fiat_sc255_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
//
// Input Bounds:
// arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// Output Bounds:
// out1: [0x0 ~> 0xffffffffffffffff]
func fiat_sc255_nonzero(out1 *uint64, arg1 *[4]uint64) {
x1 := (arg1[0] | (arg1[1] | (arg1[2] | arg1[3])))
*out1 = x1
}
// The function fiat_sc255_selectznz is a multi-limb conditional select.
//
// Postconditions:
// eval out1 = (if arg1 = 0 then eval arg2 else eval arg3)
//
// Input Bounds:
// arg1: [0x0 ~> 0x1]
// arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// Output Bounds:
// out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
func fiat_sc255_selectznz(out1 *[4]uint64, arg1 fiat_sc255_uint1, arg2 *[4]uint64, arg3 *[4]uint64) {
var x1 uint64
fiat_sc255_cmovznz_u64(&x1, arg1, arg2[0], arg3[0])
var x2 uint64
fiat_sc255_cmovznz_u64(&x2, arg1, arg2[1], arg3[1])
var x3 uint64
fiat_sc255_cmovznz_u64(&x3, arg1, arg2[2], arg3[2])
var x4 uint64
fiat_sc255_cmovznz_u64(&x4, arg1, arg2[3], arg3[3])
out1[0] = x1
out1[1] = x2
out1[2] = x3
out1[3] = x4
}
// The function fiat_sc255_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
//
// Input Bounds:
// arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0x1fffffffffffffff]]
// Output Bounds:
// out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0x1f]]
func fiat_sc255_to_bytes(out1 *[32]uint8, arg1 *[4]uint64) {
x1 := arg1[3]
x2 := arg1[2]
x3 := arg1[1]
x4 := arg1[0]
x5 := (uint8(x4) & 0xff)
x6 := (x4 >> 8)
x7 := (uint8(x6) & 0xff)
x8 := (x6 >> 8)
x9 := (uint8(x8) & 0xff)
x10 := (x8 >> 8)
x11 := (uint8(x10) & 0xff)
x12 := (x10 >> 8)
x13 := (uint8(x12) & 0xff)
x14 := (x12 >> 8)
x15 := (uint8(x14) & 0xff)
x16 := (x14 >> 8)
x17 := (uint8(x16) & 0xff)
x18 := uint8((x16 >> 8))
x19 := (uint8(x3) & 0xff)
x20 := (x3 >> 8)
x21 := (uint8(x20) & 0xff)
x22 := (x20 >> 8)
x23 := (uint8(x22) & 0xff)
x24 := (x22 >> 8)
x25 := (uint8(x24) & 0xff)
x26 := (x24 >> 8)
x27 := (uint8(x26) & 0xff)
x28 := (x26 >> 8)
x29 := (uint8(x28) & 0xff)
x30 := (x28 >> 8)
x31 := (uint8(x30) & 0xff)
x32 := uint8((x30 >> 8))
x33 := (uint8(x2) & 0xff)
x34 := (x2 >> 8)
x35 := (uint8(x34) & 0xff)
x36 := (x34 >> 8)
x37 := (uint8(x36) & 0xff)
x38 := (x36 >> 8)
x39 := (uint8(x38) & 0xff)
x40 := (x38 >> 8)
x41 := (uint8(x40) & 0xff)
x42 := (x40 >> 8)
x43 := (uint8(x42) & 0xff)
x44 := (x42 >> 8)
x45 := (uint8(x44) & 0xff)
x46 := uint8((x44 >> 8))
x47 := (uint8(x1) & 0xff)
x48 := (x1 >> 8)
x49 := (uint8(x48) & 0xff)
x50 := (x48 >> 8)
x51 := (uint8(x50) & 0xff)
x52 := (x50 >> 8)
x53 := (uint8(x52) & 0xff)
x54 := (x52 >> 8)
x55 := (uint8(x54) & 0xff)
x56 := (x54 >> 8)
x57 := (uint8(x56) & 0xff)
x58 := (x56 >> 8)
x59 := (uint8(x58) & 0xff)
x60 := uint8((x58 >> 8))
out1[0] = x5
out1[1] = x7
out1[2] = x9
out1[3] = x11
out1[4] = x13
out1[5] = x15
out1[6] = x17
out1[7] = x18
out1[8] = x19
out1[9] = x21
out1[10] = x23
out1[11] = x25
out1[12] = x27
out1[13] = x29
out1[14] = x31
out1[15] = x32
out1[16] = x33
out1[17] = x35
out1[18] = x37
out1[19] = x39
out1[20] = x41
out1[21] = x43
out1[22] = x45
out1[23] = x46
out1[24] = x47
out1[25] = x49
out1[26] = x51
out1[27] = x53
out1[28] = x55
out1[29] = x57
out1[30] = x59
out1[31] = x60
}
// The function fiat_sc255_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
//
// Preconditions:
// 0 ≤ bytes_eval arg1 < m
// Postconditions:
// eval out1 mod m = bytes_eval arg1 mod m
// 0 ≤ eval out1 < m
//
// Input Bounds:
// arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0x1f]]
// Output Bounds:
// out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0x1fffffffffffffff]]
func fiat_sc255_from_bytes(out1 *[4]uint64, arg1 *[32]uint8) {
x1 := (uint64(arg1[31]) << 56)
x2 := (uint64(arg1[30]) << 48)
x3 := (uint64(arg1[29]) << 40)
x4 := (uint64(arg1[28]) << 32)
x5 := (uint64(arg1[27]) << 24)
x6 := (uint64(arg1[26]) << 16)
x7 := (uint64(arg1[25]) << 8)
x8 := arg1[24]
x9 := (uint64(arg1[23]) << 56)
x10 := (uint64(arg1[22]) << 48)
x11 := (uint64(arg1[21]) << 40)
x12 := (uint64(arg1[20]) << 32)
x13 := (uint64(arg1[19]) << 24)
x14 := (uint64(arg1[18]) << 16)
x15 := (uint64(arg1[17]) << 8)
x16 := arg1[16]
x17 := (uint64(arg1[15]) << 56)
x18 := (uint64(arg1[14]) << 48)
x19 := (uint64(arg1[13]) << 40)
x20 := (uint64(arg1[12]) << 32)
x21 := (uint64(arg1[11]) << 24)
x22 := (uint64(arg1[10]) << 16)
x23 := (uint64(arg1[9]) << 8)
x24 := arg1[8]
x25 := (uint64(arg1[7]) << 56)
x26 := (uint64(arg1[6]) << 48)
x27 := (uint64(arg1[5]) << 40)
x28 := (uint64(arg1[4]) << 32)
x29 := (uint64(arg1[3]) << 24)
x30 := (uint64(arg1[2]) << 16)
x31 := (uint64(arg1[1]) << 8)
x32 := arg1[0]
x33 := (x31 + uint64(x32))
x34 := (x30 + x33)
x35 := (x29 + x34)
x36 := (x28 + x35)
x37 := (x27 + x36)
x38 := (x26 + x37)
x39 := (x25 + x38)
x40 := (x23 + uint64(x24))
x41 := (x22 + x40)
x42 := (x21 + x41)
x43 := (x20 + x42)
x44 := (x19 + x43)
x45 := (x18 + x44)
x46 := (x17 + x45)
x47 := (x15 + uint64(x16))
x48 := (x14 + x47)
x49 := (x13 + x48)
x50 := (x12 + x49)
x51 := (x11 + x50)
x52 := (x10 + x51)
x53 := (x9 + x52)
x54 := (x7 + uint64(x8))
x55 := (x6 + x54)
x56 := (x5 + x55)
x57 := (x4 + x56)
x58 := (x3 + x57)
x59 := (x2 + x58)
x60 := (x1 + x59)
out1[0] = x39
out1[1] = x46
out1[2] = x53
out1[3] = x60
}
// The function fiat_sc255_set_one returns the field element one in the Montgomery domain.
//
// Postconditions:
// eval (from_montgomery out1) mod m = 1 mod m
// 0 ≤ eval out1 < m
//
func fiat_sc255_set_one(out1 *fiat_sc255_montgomery_domain_field_element) {
out1[0] = 0xd6ec31748d98951d
out1[1] = 0xc6ef5bf4737dcf70
out1[2] = 0xfffffffffffffffe
out1[3] = 0xfffffffffffffff
}
// The function fiat_sc255_msat returns the saturated representation of the prime modulus.
//
// Postconditions:
// twos_complement_eval out1 = m
// 0 ≤ eval out1 < m
//
// Output Bounds:
// out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
func fiat_sc255_msat(out1 *[5]uint64) {
out1[0] = 0x5812631a5cf5d3ed
out1[1] = 0x14def9dea2f79cd6
out1[2] = uint64(0x0)
out1[3] = 0x1000000000000000
out1[4] = uint64(0x0)
}
// The function fiat_sc255_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
//
// Postconditions:
// eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
// 0 ≤ eval out1 < m
//
// Output Bounds:
// out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
func fiat_sc255_divstep_precomp(out1 *[4]uint64) {
out1[0] = 0xd70af84436a7cb92
out1[1] = 0x5f71c978b0b8b159
out1[2] = 0xe76d816974947f1a
out1[3] = 0x19a2d36f193e4ff
}
// The function fiat_sc255_divstep computes a divstep.
//
// Preconditions:
// 0 ≤ eval arg4 < m
// 0 ≤ eval arg5 < m
// Postconditions:
// out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
// twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
// twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
// eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
// eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
// 0 ≤ eval out5 < m
// 0 ≤ eval out5 < m
// 0 ≤ eval out2 < m
// 0 ≤ eval out3 < m
//
// Input Bounds:
// arg1: [0x0 ~> 0xffffffffffffffff]
// arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// Output Bounds:
// out1: [0x0 ~> 0xffffffffffffffff]
// out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
func fiat_sc255_divstep(out1 *uint64, out2 *[5]uint64, out3 *[5]uint64, out4 *[4]uint64, out5 *[4]uint64, arg1 uint64, arg2 *[5]uint64, arg3 *[5]uint64, arg4 *[4]uint64, arg5 *[4]uint64) {
var x1 uint64
x1, _ = fiat_sc255_addcarryx_u64((^arg1), uint64(0x1), 0x0)
x3 := (fiat_sc255_uint1((x1 >> 63)) & (fiat_sc255_uint1(arg3[0]) & 0x1))
var x4 uint64
x4, _ = fiat_sc255_addcarryx_u64((^arg1), uint64(0x1), 0x0)
var x6 uint64
fiat_sc255_cmovznz_u64(&x6, x3, arg1, x4)
var x7 uint64
fiat_sc255_cmovznz_u64(&x7, x3, arg2[0], arg3[0])
var x8 uint64
fiat_sc255_cmovznz_u64(&x8, x3, arg2[1], arg3[1])
var x9 uint64
fiat_sc255_cmovznz_u64(&x9, x3, arg2[2], arg3[2])
var x10 uint64
fiat_sc255_cmovznz_u64(&x10, x3, arg2[3], arg3[3])
var x11 uint64
fiat_sc255_cmovznz_u64(&x11, x3, arg2[4], arg3[4])
var x12 uint64
var x13 fiat_sc255_uint1
x12, x13 = fiat_sc255_addcarryx_u64(uint64(0x1), (^arg2[0]), 0x0)
var x14 uint64
var x15 fiat_sc255_uint1
x14, x15 = fiat_sc255_addcarryx_u64(uint64(0x0), (^arg2[1]), x13)
var x16 uint64
var x17 fiat_sc255_uint1
x16, x17 = fiat_sc255_addcarryx_u64(uint64(0x0), (^arg2[2]), x15)
var x18 uint64
var x19 fiat_sc255_uint1
x18, x19 = fiat_sc255_addcarryx_u64(uint64(0x0), (^arg2[3]), x17)
var x20 uint64
x20, _ = fiat_sc255_addcarryx_u64(uint64(0x0), (^arg2[4]), x19)
var x22 uint64
fiat_sc255_cmovznz_u64(&x22, x3, arg3[0], x12)
var x23 uint64
fiat_sc255_cmovznz_u64(&x23, x3, arg3[1], x14)
var x24 uint64
fiat_sc255_cmovznz_u64(&x24, x3, arg3[2], x16)
var x25 uint64
fiat_sc255_cmovznz_u64(&x25, x3, arg3[3], x18)
var x26 uint64
fiat_sc255_cmovznz_u64(&x26, x3, arg3[4], x20)
var x27 uint64
fiat_sc255_cmovznz_u64(&x27, x3, arg4[0], arg5[0])
var x28 uint64
fiat_sc255_cmovznz_u64(&x28, x3, arg4[1], arg5[1])
var x29 uint64
fiat_sc255_cmovznz_u64(&x29, x3, arg4[2], arg5[2])
var x30 uint64
fiat_sc255_cmovznz_u64(&x30, x3, arg4[3], arg5[3])
var x31 uint64
var x32 fiat_sc255_uint1
x31, x32 = fiat_sc255_addcarryx_u64(x27, x27, 0x0)
var x33 uint64
var x34 fiat_sc255_uint1
x33, x34 = fiat_sc255_addcarryx_u64(x28, x28, x32)
var x35 uint64
var x36 fiat_sc255_uint1
x35, x36 = fiat_sc255_addcarryx_u64(x29, x29, x34)
var x37 uint64
var x38 fiat_sc255_uint1
x37, x38 = fiat_sc255_addcarryx_u64(x30, x30, x36)
var x39 uint64
var x40 fiat_sc255_uint1
x39, x40 = fiat_sc255_subborrowx_u64(x31, 0x5812631a5cf5d3ed, 0x0)
var x41 uint64
var x42 fiat_sc255_uint1
x41, x42 = fiat_sc255_subborrowx_u64(x33, 0x14def9dea2f79cd6, x40)
var x43 uint64
var x44 fiat_sc255_uint1
x43, x44 = fiat_sc255_subborrowx_u64(x35, uint64(0x0), x42)
var x45 uint64
var x46 fiat_sc255_uint1
x45, x46 = fiat_sc255_subborrowx_u64(x37, 0x1000000000000000, x44)
var x48 fiat_sc255_uint1
_, x48 = fiat_sc255_subborrowx_u64(uint64(x38), uint64(0x0), x46)
x49 := arg4[3]
x50 := arg4[2]
x51 := arg4[1]
x52 := arg4[0]
var x53 uint64
var x54 fiat_sc255_uint1
x53, x54 = fiat_sc255_subborrowx_u64(uint64(0x0), x52, 0x0)
var x55 uint64
var x56 fiat_sc255_uint1
x55, x56 = fiat_sc255_subborrowx_u64(uint64(0x0), x51, x54)
var x57 uint64
var x58 fiat_sc255_uint1
x57, x58 = fiat_sc255_subborrowx_u64(uint64(0x0), x50, x56)
var x59 uint64
var x60 fiat_sc255_uint1
x59, x60 = fiat_sc255_subborrowx_u64(uint64(0x0), x49, x58)
var x61 uint64
fiat_sc255_cmovznz_u64(&x61, x60, uint64(0x0), 0xffffffffffffffff)
var x62 uint64
var x63 fiat_sc255_uint1
x62, x63 = fiat_sc255_addcarryx_u64(x53, (x61 & 0x5812631a5cf5d3ed), 0x0)
var x64 uint64
var x65 fiat_sc255_uint1
x64, x65 = fiat_sc255_addcarryx_u64(x55, (x61 & 0x14def9dea2f79cd6), x63)
var x66 uint64
var x67 fiat_sc255_uint1
x66, x67 = fiat_sc255_addcarryx_u64(x57, uint64(0x0), x65)
var x68 uint64
x68, _ = fiat_sc255_addcarryx_u64(x59, (x61 & 0x1000000000000000), x67)
var x70 uint64
fiat_sc255_cmovznz_u64(&x70, x3, arg5[0], x62)
var x71 uint64
fiat_sc255_cmovznz_u64(&x71, x3, arg5[1], x64)
var x72 uint64
fiat_sc255_cmovznz_u64(&x72, x3, arg5[2], x66)
var x73 uint64
fiat_sc255_cmovznz_u64(&x73, x3, arg5[3], x68)
x74 := (fiat_sc255_uint1(x22) & 0x1)
var x75 uint64
fiat_sc255_cmovznz_u64(&x75, x74, uint64(0x0), x7)
var x76 uint64
fiat_sc255_cmovznz_u64(&x76, x74, uint64(0x0), x8)
var x77 uint64
fiat_sc255_cmovznz_u64(&x77, x74, uint64(0x0), x9)
var x78 uint64
fiat_sc255_cmovznz_u64(&x78, x74, uint64(0x0), x10)
var x79 uint64
fiat_sc255_cmovznz_u64(&x79, x74, uint64(0x0), x11)
var x80 uint64
var x81 fiat_sc255_uint1
x80, x81 = fiat_sc255_addcarryx_u64(x22, x75, 0x0)
var x82 uint64
var x83 fiat_sc255_uint1
x82, x83 = fiat_sc255_addcarryx_u64(x23, x76, x81)
var x84 uint64
var x85 fiat_sc255_uint1
x84, x85 = fiat_sc255_addcarryx_u64(x24, x77, x83)
var x86 uint64
var x87 fiat_sc255_uint1
x86, x87 = fiat_sc255_addcarryx_u64(x25, x78, x85)
var x88 uint64
x88, _ = fiat_sc255_addcarryx_u64(x26, x79, x87)
var x90 uint64
fiat_sc255_cmovznz_u64(&x90, x74, uint64(0x0), x27)
var x91 uint64
fiat_sc255_cmovznz_u64(&x91, x74, uint64(0x0), x28)
var x92 uint64
fiat_sc255_cmovznz_u64(&x92, x74, uint64(0x0), x29)
var x93 uint64
fiat_sc255_cmovznz_u64(&x93, x74, uint64(0x0), x30)
var x94 uint64
var x95 fiat_sc255_uint1
x94, x95 = fiat_sc255_addcarryx_u64(x70, x90, 0x0)
var x96 uint64
var x97 fiat_sc255_uint1
x96, x97 = fiat_sc255_addcarryx_u64(x71, x91, x95)
var x98 uint64
var x99 fiat_sc255_uint1
x98, x99 = fiat_sc255_addcarryx_u64(x72, x92, x97)
var x100 uint64
var x101 fiat_sc255_uint1
x100, x101 = fiat_sc255_addcarryx_u64(x73, x93, x99)
var x102 uint64
var x103 fiat_sc255_uint1
x102, x103 = fiat_sc255_subborrowx_u64(x94, 0x5812631a5cf5d3ed, 0x0)
var x104 uint64
var x105 fiat_sc255_uint1
x104, x105 = fiat_sc255_subborrowx_u64(x96, 0x14def9dea2f79cd6, x103)
var x106 uint64
var x107 fiat_sc255_uint1
x106, x107 = fiat_sc255_subborrowx_u64(x98, uint64(0x0), x105)
var x108 uint64
var x109 fiat_sc255_uint1
x108, x109 = fiat_sc255_subborrowx_u64(x100, 0x1000000000000000, x107)
var x111 fiat_sc255_uint1
_, x111 = fiat_sc255_subborrowx_u64(uint64(x101), uint64(0x0), x109)
var x112 uint64
x112, _ = fiat_sc255_addcarryx_u64(x6, uint64(0x1), 0x0)
x114 := ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff))
x115 := ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff))
x116 := ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff))
x117 := ((x86 >> 1) | ((x88 << 63) & 0xffffffffffffffff))
x118 := ((x88 & 0x8000000000000000) | (x88 >> 1))
var x119 uint64
fiat_sc255_cmovznz_u64(&x119, x48, x39, x31)
var x120 uint64
fiat_sc255_cmovznz_u64(&x120, x48, x41, x33)
var x121 uint64
fiat_sc255_cmovznz_u64(&x121, x48, x43, x35)
var x122 uint64
fiat_sc255_cmovznz_u64(&x122, x48, x45, x37)
var x123 uint64
fiat_sc255_cmovznz_u64(&x123, x111, x102, x94)
var x124 uint64
fiat_sc255_cmovznz_u64(&x124, x111, x104, x96)
var x125 uint64
fiat_sc255_cmovznz_u64(&x125, x111, x106, x98)
var x126 uint64
fiat_sc255_cmovznz_u64(&x126, x111, x108, x100)
*out1 = x112
out2[0] = x7
out2[1] = x8
out2[2] = x9
out2[3] = x10
out2[4] = x11
out3[0] = x114
out3[1] = x115
out3[2] = x116
out3[3] = x117
out3[4] = x118
out4[0] = x119
out4[1] = x120
out4[2] = x121
out4[3] = x122
out5[0] = x123
out5[1] = x124
out5[2] = x125
out5[3] = x126
}

View file

@ -22,9 +22,37 @@ import (
type Scalar struct {
// s is the scalar in the Montgomery domain, in the format of the
// fiat-crypto implementation.
s fiat_sc255_montgomery_domain_field_element
s fiatScalarMontgomeryDomainFieldElement
}
// The field implementation in scalar_fiat.go is generated by the fiat-crypto
// project (https://github.com/mit-plv/fiat-crypto) at version v0.0.9 (23d2dbc)
// from a formally verified model.
//
// fiat-crypto code comes under the following license.
//
// Copyright (c) 2015-2020 The fiat-crypto Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// THIS SOFTWARE IS PROVIDED BY the fiat-crypto authors "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design,
// Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// NewScalar returns a new zero Scalar.
func NewScalar() *Scalar {
return &Scalar{}
@ -41,28 +69,28 @@ func (s *Scalar) MultiplyAdd(x, y, z *Scalar) *Scalar {
// Add sets s = x + y mod l, and returns s.
func (s *Scalar) Add(x, y *Scalar) *Scalar {
// s = 1 * x + y mod l
fiat_sc255_add(&s.s, &x.s, &y.s)
fiatScalarAdd(&s.s, &x.s, &y.s)
return s
}
// Subtract sets s = x - y mod l, and returns s.
func (s *Scalar) Subtract(x, y *Scalar) *Scalar {
// s = -1 * y + x mod l
fiat_sc255_sub(&s.s, &x.s, &y.s)
fiatScalarSub(&s.s, &x.s, &y.s)
return s
}
// Negate sets s = -x mod l, and returns s.
func (s *Scalar) Negate(x *Scalar) *Scalar {
// s = -1 * x + 0 mod l
fiat_sc255_opp(&s.s, &x.s)
fiatScalarOpp(&s.s, &x.s)
return s
}
// Multiply sets s = x * y mod l, and returns s.
func (s *Scalar) Multiply(x, y *Scalar) *Scalar {
// s = x * y + 0 mod l
fiat_sc255_mul(&s.s, &x.s, &y.s)
fiatScalarMul(&s.s, &x.s, &y.s)
return s
}
@ -87,8 +115,8 @@ func (s *Scalar) SetUniformBytes(x []byte) (*Scalar, error) {
var reduced [32]byte
scReduce(&reduced, (*[64]byte)(x))
fiat_sc255_from_bytes((*[4]uint64)(&s.s), &reduced)
fiat_sc255_to_montgomery(&s.s, (*fiat_sc255_non_montgomery_domain_field_element)(&s.s))
fiatScalarFromBytes((*[4]uint64)(&s.s), &reduced)
fiatScalarToMontgomery(&s.s, (*fiatScalarNonMontgomeryDomainFieldElement)(&s.s))
return s, nil
}
@ -104,8 +132,8 @@ func (s *Scalar) SetCanonicalBytes(x []byte) (*Scalar, error) {
return nil, errors.New("invalid scalar encoding")
}
fiat_sc255_from_bytes((*[4]uint64)(&s.s), (*[32]byte)(x))
fiat_sc255_to_montgomery(&s.s, (*fiat_sc255_non_montgomery_domain_field_element)(&s.s))
fiatScalarFromBytes((*[4]uint64)(&s.s), (*[32]byte)(x))
fiatScalarToMontgomery(&s.s, (*fiatScalarNonMontgomeryDomainFieldElement)(&s.s))
return s, nil
}
@ -161,8 +189,8 @@ func (s *Scalar) SetBytesWithClamping(x []byte) (*Scalar, error) {
var reduced [32]byte
scReduce(&reduced, &wideBytes)
fiat_sc255_from_bytes((*[4]uint64)(&s.s), &reduced)
fiat_sc255_to_montgomery(&s.s, (*fiat_sc255_non_montgomery_domain_field_element)(&s.s))
fiatScalarFromBytes((*[4]uint64)(&s.s), &reduced)
fiatScalarToMontgomery(&s.s, (*fiatScalarNonMontgomeryDomainFieldElement)(&s.s))
return s, nil
}
@ -176,18 +204,18 @@ func (s *Scalar) Bytes() []byte {
}
func (s *Scalar) bytes(out *[32]byte) []byte {
var ss fiat_sc255_non_montgomery_domain_field_element
fiat_sc255_from_montgomery(&ss, &s.s)
fiat_sc255_to_bytes(out, (*[4]uint64)(&ss))
var ss fiatScalarNonMontgomeryDomainFieldElement
fiatScalarFromMontgomery(&ss, &s.s)
fiatScalarToBytes(out, (*[4]uint64)(&ss))
return out[:]
}
// Equal returns 1 if s and t are equal, and 0 otherwise.
func (s *Scalar) Equal(t *Scalar) int {
var diff fiat_sc255_montgomery_domain_field_element
fiat_sc255_sub(&diff, &s.s, &t.s)
var diff fiatScalarMontgomeryDomainFieldElement
fiatScalarSub(&diff, &s.s, &t.s)
var nonzero uint64
fiat_sc255_nonzero(&nonzero, (*[4]uint64)(&diff))
fiatScalarNonzero(&nonzero, (*[4]uint64)(&diff))
nonzero |= nonzero >> 32
nonzero |= nonzero >> 16
nonzero |= nonzero >> 8

1113
scalar_fiat.go Normal file
View file

@ -0,0 +1,1113 @@
// Code generated by Fiat Cryptography. DO NOT EDIT.
//
// Autogenerated: word_by_word_montgomery --lang Go --cmovznz-by-mul --relax-primitive-carry-to-bitwidth 32,64 --public-function-case camelCase --public-type-case camelCase --private-function-case camelCase --private-type-case camelCase --doc-text-before-function-name '' --doc-newline-before-package-declaration --doc-prepend-header 'Code generated by Fiat Cryptography. DO NOT EDIT.' --package-name edwards25519 Scalar 64 '2^252 + 27742317777372353535851937790883648493' mul add sub opp nonzero from_montgomery to_montgomery to_bytes from_bytes
//
// curve description: Scalar
//
// machine_wordsize = 64 (from "64")
//
// requested operations: mul, add, sub, opp, nonzero, from_montgomery, to_montgomery, to_bytes, from_bytes
//
// m = 0x1000000000000000000000000000000014def9dea2f79cd65812631a5cf5d3ed (from "2^252 + 27742317777372353535851937790883648493")
//
//
//
// NOTE: In addition to the bounds specified above each function, all
//
// functions synthesized for this Montgomery arithmetic require the
//
// input to be strictly less than the prime modulus (m), and also
//
// require the input to be in the unique saturated representation.
//
// All functions also ensure that these two properties are true of
//
// return values.
//
//
//
// Computed values:
//
// eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192)
//
// bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
//
// twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
//
// if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
package edwards25519
import "math/bits"
type fiatScalarUint1 uint64 // We use uint64 instead of a more narrow type for performance reasons; see https://github.com/mit-plv/fiat-crypto/pull/1006#issuecomment-892625927
type fiatScalarInt1 int64 // We use uint64 instead of a more narrow type for performance reasons; see https://github.com/mit-plv/fiat-crypto/pull/1006#issuecomment-892625927
// The type fiatScalarMontgomeryDomainFieldElement is a field element in the Montgomery domain.
//
// Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
type fiatScalarMontgomeryDomainFieldElement [4]uint64
// The type fiatScalarNonMontgomeryDomainFieldElement is a field element NOT in the Montgomery domain.
//
// Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
type fiatScalarNonMontgomeryDomainFieldElement [4]uint64
// fiatScalarCmovznzU64 is a single-word conditional move.
//
// Postconditions:
// out1 = (if arg1 = 0 then arg2 else arg3)
//
// Input Bounds:
// arg1: [0x0 ~> 0x1]
// arg2: [0x0 ~> 0xffffffffffffffff]
// arg3: [0x0 ~> 0xffffffffffffffff]
// Output Bounds:
// out1: [0x0 ~> 0xffffffffffffffff]
func fiatScalarCmovznzU64(out1 *uint64, arg1 fiatScalarUint1, arg2 uint64, arg3 uint64) {
x1 := (uint64(arg1) * 0xffffffffffffffff)
x2 := ((x1 & arg3) | ((^x1) & arg2))
*out1 = x2
}
// fiatScalarMul multiplies two field elements in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// 0 ≤ eval arg2 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
// 0 ≤ eval out1 < m
//
func fiatScalarMul(out1 *fiatScalarMontgomeryDomainFieldElement, arg1 *fiatScalarMontgomeryDomainFieldElement, arg2 *fiatScalarMontgomeryDomainFieldElement) {
x1 := arg1[1]
x2 := arg1[2]
x3 := arg1[3]
x4 := arg1[0]
var x5 uint64
var x6 uint64
x6, x5 = bits.Mul64(x4, arg2[3])
var x7 uint64
var x8 uint64
x8, x7 = bits.Mul64(x4, arg2[2])
var x9 uint64
var x10 uint64
x10, x9 = bits.Mul64(x4, arg2[1])
var x11 uint64
var x12 uint64
x12, x11 = bits.Mul64(x4, arg2[0])
var x13 uint64
var x14 uint64
x13, x14 = bits.Add64(x12, x9, uint64(0x0))
var x15 uint64
var x16 uint64
x15, x16 = bits.Add64(x10, x7, uint64(fiatScalarUint1(x14)))
var x17 uint64
var x18 uint64
x17, x18 = bits.Add64(x8, x5, uint64(fiatScalarUint1(x16)))
x19 := (uint64(fiatScalarUint1(x18)) + x6)
var x20 uint64
_, x20 = bits.Mul64(x11, 0xd2b51da312547e1b)
var x22 uint64
var x23 uint64
x23, x22 = bits.Mul64(x20, 0x1000000000000000)
var x24 uint64
var x25 uint64
x25, x24 = bits.Mul64(x20, 0x14def9dea2f79cd6)
var x26 uint64
var x27 uint64
x27, x26 = bits.Mul64(x20, 0x5812631a5cf5d3ed)
var x28 uint64
var x29 uint64
x28, x29 = bits.Add64(x27, x24, uint64(0x0))
x30 := (uint64(fiatScalarUint1(x29)) + x25)
var x32 uint64
_, x32 = bits.Add64(x11, x26, uint64(0x0))
var x33 uint64
var x34 uint64
x33, x34 = bits.Add64(x13, x28, uint64(fiatScalarUint1(x32)))
var x35 uint64
var x36 uint64
x35, x36 = bits.Add64(x15, x30, uint64(fiatScalarUint1(x34)))
var x37 uint64
var x38 uint64
x37, x38 = bits.Add64(x17, x22, uint64(fiatScalarUint1(x36)))
var x39 uint64
var x40 uint64
x39, x40 = bits.Add64(x19, x23, uint64(fiatScalarUint1(x38)))
var x41 uint64
var x42 uint64
x42, x41 = bits.Mul64(x1, arg2[3])
var x43 uint64
var x44 uint64
x44, x43 = bits.Mul64(x1, arg2[2])
var x45 uint64
var x46 uint64
x46, x45 = bits.Mul64(x1, arg2[1])
var x47 uint64
var x48 uint64
x48, x47 = bits.Mul64(x1, arg2[0])
var x49 uint64
var x50 uint64
x49, x50 = bits.Add64(x48, x45, uint64(0x0))
var x51 uint64
var x52 uint64
x51, x52 = bits.Add64(x46, x43, uint64(fiatScalarUint1(x50)))
var x53 uint64
var x54 uint64
x53, x54 = bits.Add64(x44, x41, uint64(fiatScalarUint1(x52)))
x55 := (uint64(fiatScalarUint1(x54)) + x42)
var x56 uint64
var x57 uint64
x56, x57 = bits.Add64(x33, x47, uint64(0x0))
var x58 uint64
var x59 uint64
x58, x59 = bits.Add64(x35, x49, uint64(fiatScalarUint1(x57)))
var x60 uint64
var x61 uint64
x60, x61 = bits.Add64(x37, x51, uint64(fiatScalarUint1(x59)))
var x62 uint64
var x63 uint64
x62, x63 = bits.Add64(x39, x53, uint64(fiatScalarUint1(x61)))
var x64 uint64
var x65 uint64
x64, x65 = bits.Add64(uint64(fiatScalarUint1(x40)), x55, uint64(fiatScalarUint1(x63)))
var x66 uint64
_, x66 = bits.Mul64(x56, 0xd2b51da312547e1b)
var x68 uint64
var x69 uint64
x69, x68 = bits.Mul64(x66, 0x1000000000000000)
var x70 uint64
var x71 uint64
x71, x70 = bits.Mul64(x66, 0x14def9dea2f79cd6)
var x72 uint64
var x73 uint64
x73, x72 = bits.Mul64(x66, 0x5812631a5cf5d3ed)
var x74 uint64
var x75 uint64
x74, x75 = bits.Add64(x73, x70, uint64(0x0))
x76 := (uint64(fiatScalarUint1(x75)) + x71)
var x78 uint64
_, x78 = bits.Add64(x56, x72, uint64(0x0))
var x79 uint64
var x80 uint64
x79, x80 = bits.Add64(x58, x74, uint64(fiatScalarUint1(x78)))
var x81 uint64
var x82 uint64
x81, x82 = bits.Add64(x60, x76, uint64(fiatScalarUint1(x80)))
var x83 uint64
var x84 uint64
x83, x84 = bits.Add64(x62, x68, uint64(fiatScalarUint1(x82)))
var x85 uint64
var x86 uint64
x85, x86 = bits.Add64(x64, x69, uint64(fiatScalarUint1(x84)))
x87 := (uint64(fiatScalarUint1(x86)) + uint64(fiatScalarUint1(x65)))
var x88 uint64
var x89 uint64
x89, x88 = bits.Mul64(x2, arg2[3])
var x90 uint64
var x91 uint64
x91, x90 = bits.Mul64(x2, arg2[2])
var x92 uint64
var x93 uint64
x93, x92 = bits.Mul64(x2, arg2[1])
var x94 uint64
var x95 uint64
x95, x94 = bits.Mul64(x2, arg2[0])
var x96 uint64
var x97 uint64
x96, x97 = bits.Add64(x95, x92, uint64(0x0))
var x98 uint64
var x99 uint64
x98, x99 = bits.Add64(x93, x90, uint64(fiatScalarUint1(x97)))
var x100 uint64
var x101 uint64
x100, x101 = bits.Add64(x91, x88, uint64(fiatScalarUint1(x99)))
x102 := (uint64(fiatScalarUint1(x101)) + x89)
var x103 uint64
var x104 uint64
x103, x104 = bits.Add64(x79, x94, uint64(0x0))
var x105 uint64
var x106 uint64
x105, x106 = bits.Add64(x81, x96, uint64(fiatScalarUint1(x104)))
var x107 uint64
var x108 uint64
x107, x108 = bits.Add64(x83, x98, uint64(fiatScalarUint1(x106)))
var x109 uint64
var x110 uint64
x109, x110 = bits.Add64(x85, x100, uint64(fiatScalarUint1(x108)))
var x111 uint64
var x112 uint64
x111, x112 = bits.Add64(x87, x102, uint64(fiatScalarUint1(x110)))
var x113 uint64
_, x113 = bits.Mul64(x103, 0xd2b51da312547e1b)
var x115 uint64
var x116 uint64
x116, x115 = bits.Mul64(x113, 0x1000000000000000)
var x117 uint64
var x118 uint64
x118, x117 = bits.Mul64(x113, 0x14def9dea2f79cd6)
var x119 uint64
var x120 uint64
x120, x119 = bits.Mul64(x113, 0x5812631a5cf5d3ed)
var x121 uint64
var x122 uint64
x121, x122 = bits.Add64(x120, x117, uint64(0x0))
x123 := (uint64(fiatScalarUint1(x122)) + x118)
var x125 uint64
_, x125 = bits.Add64(x103, x119, uint64(0x0))
var x126 uint64
var x127 uint64
x126, x127 = bits.Add64(x105, x121, uint64(fiatScalarUint1(x125)))
var x128 uint64
var x129 uint64
x128, x129 = bits.Add64(x107, x123, uint64(fiatScalarUint1(x127)))
var x130 uint64
var x131 uint64
x130, x131 = bits.Add64(x109, x115, uint64(fiatScalarUint1(x129)))
var x132 uint64
var x133 uint64
x132, x133 = bits.Add64(x111, x116, uint64(fiatScalarUint1(x131)))
x134 := (uint64(fiatScalarUint1(x133)) + uint64(fiatScalarUint1(x112)))
var x135 uint64
var x136 uint64
x136, x135 = bits.Mul64(x3, arg2[3])
var x137 uint64
var x138 uint64
x138, x137 = bits.Mul64(x3, arg2[2])
var x139 uint64
var x140 uint64
x140, x139 = bits.Mul64(x3, arg2[1])
var x141 uint64
var x142 uint64
x142, x141 = bits.Mul64(x3, arg2[0])
var x143 uint64
var x144 uint64
x143, x144 = bits.Add64(x142, x139, uint64(0x0))
var x145 uint64
var x146 uint64
x145, x146 = bits.Add64(x140, x137, uint64(fiatScalarUint1(x144)))
var x147 uint64
var x148 uint64
x147, x148 = bits.Add64(x138, x135, uint64(fiatScalarUint1(x146)))
x149 := (uint64(fiatScalarUint1(x148)) + x136)
var x150 uint64
var x151 uint64
x150, x151 = bits.Add64(x126, x141, uint64(0x0))
var x152 uint64
var x153 uint64
x152, x153 = bits.Add64(x128, x143, uint64(fiatScalarUint1(x151)))
var x154 uint64
var x155 uint64
x154, x155 = bits.Add64(x130, x145, uint64(fiatScalarUint1(x153)))
var x156 uint64
var x157 uint64
x156, x157 = bits.Add64(x132, x147, uint64(fiatScalarUint1(x155)))
var x158 uint64
var x159 uint64
x158, x159 = bits.Add64(x134, x149, uint64(fiatScalarUint1(x157)))
var x160 uint64
_, x160 = bits.Mul64(x150, 0xd2b51da312547e1b)
var x162 uint64
var x163 uint64
x163, x162 = bits.Mul64(x160, 0x1000000000000000)
var x164 uint64
var x165 uint64
x165, x164 = bits.Mul64(x160, 0x14def9dea2f79cd6)
var x166 uint64
var x167 uint64
x167, x166 = bits.Mul64(x160, 0x5812631a5cf5d3ed)
var x168 uint64
var x169 uint64
x168, x169 = bits.Add64(x167, x164, uint64(0x0))
x170 := (uint64(fiatScalarUint1(x169)) + x165)
var x172 uint64
_, x172 = bits.Add64(x150, x166, uint64(0x0))
var x173 uint64
var x174 uint64
x173, x174 = bits.Add64(x152, x168, uint64(fiatScalarUint1(x172)))
var x175 uint64
var x176 uint64
x175, x176 = bits.Add64(x154, x170, uint64(fiatScalarUint1(x174)))
var x177 uint64
var x178 uint64
x177, x178 = bits.Add64(x156, x162, uint64(fiatScalarUint1(x176)))
var x179 uint64
var x180 uint64
x179, x180 = bits.Add64(x158, x163, uint64(fiatScalarUint1(x178)))
x181 := (uint64(fiatScalarUint1(x180)) + uint64(fiatScalarUint1(x159)))
var x182 uint64
var x183 uint64
x182, x183 = bits.Sub64(x173, 0x5812631a5cf5d3ed, uint64(0x0))
var x184 uint64
var x185 uint64
x184, x185 = bits.Sub64(x175, 0x14def9dea2f79cd6, uint64(fiatScalarUint1(x183)))
var x186 uint64
var x187 uint64
x186, x187 = bits.Sub64(x177, uint64(0x0), uint64(fiatScalarUint1(x185)))
var x188 uint64
var x189 uint64
x188, x189 = bits.Sub64(x179, 0x1000000000000000, uint64(fiatScalarUint1(x187)))
var x191 uint64
_, x191 = bits.Sub64(x181, uint64(0x0), uint64(fiatScalarUint1(x189)))
var x192 uint64
fiatScalarCmovznzU64(&x192, fiatScalarUint1(x191), x182, x173)
var x193 uint64
fiatScalarCmovznzU64(&x193, fiatScalarUint1(x191), x184, x175)
var x194 uint64
fiatScalarCmovznzU64(&x194, fiatScalarUint1(x191), x186, x177)
var x195 uint64
fiatScalarCmovznzU64(&x195, fiatScalarUint1(x191), x188, x179)
out1[0] = x192
out1[1] = x193
out1[2] = x194
out1[3] = x195
}
// fiatScalarAdd adds two field elements in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// 0 ≤ eval arg2 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
// 0 ≤ eval out1 < m
//
func fiatScalarAdd(out1 *fiatScalarMontgomeryDomainFieldElement, arg1 *fiatScalarMontgomeryDomainFieldElement, arg2 *fiatScalarMontgomeryDomainFieldElement) {
var x1 uint64
var x2 uint64
x1, x2 = bits.Add64(arg1[0], arg2[0], uint64(0x0))
var x3 uint64
var x4 uint64
x3, x4 = bits.Add64(arg1[1], arg2[1], uint64(fiatScalarUint1(x2)))
var x5 uint64
var x6 uint64
x5, x6 = bits.Add64(arg1[2], arg2[2], uint64(fiatScalarUint1(x4)))
var x7 uint64
var x8 uint64
x7, x8 = bits.Add64(arg1[3], arg2[3], uint64(fiatScalarUint1(x6)))
var x9 uint64
var x10 uint64
x9, x10 = bits.Sub64(x1, 0x5812631a5cf5d3ed, uint64(0x0))
var x11 uint64
var x12 uint64
x11, x12 = bits.Sub64(x3, 0x14def9dea2f79cd6, uint64(fiatScalarUint1(x10)))
var x13 uint64
var x14 uint64
x13, x14 = bits.Sub64(x5, uint64(0x0), uint64(fiatScalarUint1(x12)))
var x15 uint64
var x16 uint64
x15, x16 = bits.Sub64(x7, 0x1000000000000000, uint64(fiatScalarUint1(x14)))
var x18 uint64
_, x18 = bits.Sub64(uint64(fiatScalarUint1(x8)), uint64(0x0), uint64(fiatScalarUint1(x16)))
var x19 uint64
fiatScalarCmovznzU64(&x19, fiatScalarUint1(x18), x9, x1)
var x20 uint64
fiatScalarCmovznzU64(&x20, fiatScalarUint1(x18), x11, x3)
var x21 uint64
fiatScalarCmovznzU64(&x21, fiatScalarUint1(x18), x13, x5)
var x22 uint64
fiatScalarCmovznzU64(&x22, fiatScalarUint1(x18), x15, x7)
out1[0] = x19
out1[1] = x20
out1[2] = x21
out1[3] = x22
}
// fiatScalarSub subtracts two field elements in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// 0 ≤ eval arg2 < m
// Postconditions:
// eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
// 0 ≤ eval out1 < m
//
func fiatScalarSub(out1 *fiatScalarMontgomeryDomainFieldElement, arg1 *fiatScalarMontgomeryDomainFieldElement, arg2 *fiatScalarMontgomeryDomainFieldElement) {
var x1 uint64
var x2 uint64
x1, x2 = bits.Sub64(arg1[0], arg2[0], uint64(0x0))
var x3 uint64
var x4 uint64
x3, x4 = bits.Sub64(arg1[1], arg2[1], uint64(fiatScalarUint1(x2)))
var x5 uint64
var x6 uint64
x5, x6 = bits.Sub64(arg1[2], arg2[2], uint64(fiatScalarUint1(x4)))
var x7 uint64
var x8 uint64
x7, x8 = bits.Sub64(arg1[3], arg2[3], uint64(fiatScalarUint1(x6)))
var x9 uint64
fiatScalarCmovznzU64(&x9, fiatScalarUint1(x8), uint64(0x0), 0xffffffffffffffff)
var x10 uint64
var x11 uint64
x10, x11 = bits.Add64(x1, (x9 & 0x5812631a5cf5d3ed), uint64(0x0))
var x12 uint64
var x13 uint64
x12, x13 = bits.Add64(x3, (x9 & 0x14def9dea2f79cd6), uint64(fiatScalarUint1(x11)))
var x14 uint64
var x15 uint64
x14, x15 = bits.Add64(x5, uint64(0x0), uint64(fiatScalarUint1(x13)))
var x16 uint64
x16, _ = bits.Add64(x7, (x9 & 0x1000000000000000), uint64(fiatScalarUint1(x15)))
out1[0] = x10
out1[1] = x12
out1[2] = x14
out1[3] = x16
}
// fiatScalarOpp negates a field element in the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
// 0 ≤ eval out1 < m
//
func fiatScalarOpp(out1 *fiatScalarMontgomeryDomainFieldElement, arg1 *fiatScalarMontgomeryDomainFieldElement) {
var x1 uint64
var x2 uint64
x1, x2 = bits.Sub64(uint64(0x0), arg1[0], uint64(0x0))
var x3 uint64
var x4 uint64
x3, x4 = bits.Sub64(uint64(0x0), arg1[1], uint64(fiatScalarUint1(x2)))
var x5 uint64
var x6 uint64
x5, x6 = bits.Sub64(uint64(0x0), arg1[2], uint64(fiatScalarUint1(x4)))
var x7 uint64
var x8 uint64
x7, x8 = bits.Sub64(uint64(0x0), arg1[3], uint64(fiatScalarUint1(x6)))
var x9 uint64
fiatScalarCmovznzU64(&x9, fiatScalarUint1(x8), uint64(0x0), 0xffffffffffffffff)
var x10 uint64
var x11 uint64
x10, x11 = bits.Add64(x1, (x9 & 0x5812631a5cf5d3ed), uint64(0x0))
var x12 uint64
var x13 uint64
x12, x13 = bits.Add64(x3, (x9 & 0x14def9dea2f79cd6), uint64(fiatScalarUint1(x11)))
var x14 uint64
var x15 uint64
x14, x15 = bits.Add64(x5, uint64(0x0), uint64(fiatScalarUint1(x13)))
var x16 uint64
x16, _ = bits.Add64(x7, (x9 & 0x1000000000000000), uint64(fiatScalarUint1(x15)))
out1[0] = x10
out1[1] = x12
out1[2] = x14
out1[3] = x16
}
// fiatScalarNonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
//
// Input Bounds:
// arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
// Output Bounds:
// out1: [0x0 ~> 0xffffffffffffffff]
func fiatScalarNonzero(out1 *uint64, arg1 *[4]uint64) {
x1 := (arg1[0] | (arg1[1] | (arg1[2] | arg1[3])))
*out1 = x1
}
// fiatScalarFromMontgomery translates a field element out of the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^4) mod m
// 0 ≤ eval out1 < m
//
func fiatScalarFromMontgomery(out1 *fiatScalarNonMontgomeryDomainFieldElement, arg1 *fiatScalarMontgomeryDomainFieldElement) {
x1 := arg1[0]
var x2 uint64
_, x2 = bits.Mul64(x1, 0xd2b51da312547e1b)
var x4 uint64
var x5 uint64
x5, x4 = bits.Mul64(x2, 0x1000000000000000)
var x6 uint64
var x7 uint64
x7, x6 = bits.Mul64(x2, 0x14def9dea2f79cd6)
var x8 uint64
var x9 uint64
x9, x8 = bits.Mul64(x2, 0x5812631a5cf5d3ed)
var x10 uint64
var x11 uint64
x10, x11 = bits.Add64(x9, x6, uint64(0x0))
var x13 uint64
_, x13 = bits.Add64(x1, x8, uint64(0x0))
var x14 uint64
var x15 uint64
x14, x15 = bits.Add64(uint64(0x0), x10, uint64(fiatScalarUint1(x13)))
var x16 uint64
var x17 uint64
x16, x17 = bits.Add64(x14, arg1[1], uint64(0x0))
var x18 uint64
_, x18 = bits.Mul64(x16, 0xd2b51da312547e1b)
var x20 uint64
var x21 uint64
x21, x20 = bits.Mul64(x18, 0x1000000000000000)
var x22 uint64
var x23 uint64
x23, x22 = bits.Mul64(x18, 0x14def9dea2f79cd6)
var x24 uint64
var x25 uint64
x25, x24 = bits.Mul64(x18, 0x5812631a5cf5d3ed)
var x26 uint64
var x27 uint64
x26, x27 = bits.Add64(x25, x22, uint64(0x0))
var x29 uint64
_, x29 = bits.Add64(x16, x24, uint64(0x0))
var x30 uint64
var x31 uint64
x30, x31 = bits.Add64((uint64(fiatScalarUint1(x17)) + (uint64(fiatScalarUint1(x15)) + (uint64(fiatScalarUint1(x11)) + x7))), x26, uint64(fiatScalarUint1(x29)))
var x32 uint64
var x33 uint64
x32, x33 = bits.Add64(x4, (uint64(fiatScalarUint1(x27)) + x23), uint64(fiatScalarUint1(x31)))
var x34 uint64
var x35 uint64
x34, x35 = bits.Add64(x5, x20, uint64(fiatScalarUint1(x33)))
var x36 uint64
var x37 uint64
x36, x37 = bits.Add64(x30, arg1[2], uint64(0x0))
var x38 uint64
var x39 uint64
x38, x39 = bits.Add64(x32, uint64(0x0), uint64(fiatScalarUint1(x37)))
var x40 uint64
var x41 uint64
x40, x41 = bits.Add64(x34, uint64(0x0), uint64(fiatScalarUint1(x39)))
var x42 uint64
_, x42 = bits.Mul64(x36, 0xd2b51da312547e1b)
var x44 uint64
var x45 uint64
x45, x44 = bits.Mul64(x42, 0x1000000000000000)
var x46 uint64
var x47 uint64
x47, x46 = bits.Mul64(x42, 0x14def9dea2f79cd6)
var x48 uint64
var x49 uint64
x49, x48 = bits.Mul64(x42, 0x5812631a5cf5d3ed)
var x50 uint64
var x51 uint64
x50, x51 = bits.Add64(x49, x46, uint64(0x0))
var x53 uint64
_, x53 = bits.Add64(x36, x48, uint64(0x0))
var x54 uint64
var x55 uint64
x54, x55 = bits.Add64(x38, x50, uint64(fiatScalarUint1(x53)))
var x56 uint64
var x57 uint64
x56, x57 = bits.Add64(x40, (uint64(fiatScalarUint1(x51)) + x47), uint64(fiatScalarUint1(x55)))
var x58 uint64
var x59 uint64
x58, x59 = bits.Add64((uint64(fiatScalarUint1(x41)) + (uint64(fiatScalarUint1(x35)) + x21)), x44, uint64(fiatScalarUint1(x57)))
var x60 uint64
var x61 uint64
x60, x61 = bits.Add64(x54, arg1[3], uint64(0x0))
var x62 uint64
var x63 uint64
x62, x63 = bits.Add64(x56, uint64(0x0), uint64(fiatScalarUint1(x61)))
var x64 uint64
var x65 uint64
x64, x65 = bits.Add64(x58, uint64(0x0), uint64(fiatScalarUint1(x63)))
var x66 uint64
_, x66 = bits.Mul64(x60, 0xd2b51da312547e1b)
var x68 uint64
var x69 uint64
x69, x68 = bits.Mul64(x66, 0x1000000000000000)
var x70 uint64
var x71 uint64
x71, x70 = bits.Mul64(x66, 0x14def9dea2f79cd6)
var x72 uint64
var x73 uint64
x73, x72 = bits.Mul64(x66, 0x5812631a5cf5d3ed)
var x74 uint64
var x75 uint64
x74, x75 = bits.Add64(x73, x70, uint64(0x0))
var x77 uint64
_, x77 = bits.Add64(x60, x72, uint64(0x0))
var x78 uint64
var x79 uint64
x78, x79 = bits.Add64(x62, x74, uint64(fiatScalarUint1(x77)))
var x80 uint64
var x81 uint64
x80, x81 = bits.Add64(x64, (uint64(fiatScalarUint1(x75)) + x71), uint64(fiatScalarUint1(x79)))
var x82 uint64
var x83 uint64
x82, x83 = bits.Add64((uint64(fiatScalarUint1(x65)) + (uint64(fiatScalarUint1(x59)) + x45)), x68, uint64(fiatScalarUint1(x81)))
x84 := (uint64(fiatScalarUint1(x83)) + x69)
var x85 uint64
var x86 uint64
x85, x86 = bits.Sub64(x78, 0x5812631a5cf5d3ed, uint64(0x0))
var x87 uint64
var x88 uint64
x87, x88 = bits.Sub64(x80, 0x14def9dea2f79cd6, uint64(fiatScalarUint1(x86)))
var x89 uint64
var x90 uint64
x89, x90 = bits.Sub64(x82, uint64(0x0), uint64(fiatScalarUint1(x88)))
var x91 uint64
var x92 uint64
x91, x92 = bits.Sub64(x84, 0x1000000000000000, uint64(fiatScalarUint1(x90)))
var x94 uint64
_, x94 = bits.Sub64(uint64(0x0), uint64(0x0), uint64(fiatScalarUint1(x92)))
var x95 uint64
fiatScalarCmovznzU64(&x95, fiatScalarUint1(x94), x85, x78)
var x96 uint64
fiatScalarCmovznzU64(&x96, fiatScalarUint1(x94), x87, x80)
var x97 uint64
fiatScalarCmovznzU64(&x97, fiatScalarUint1(x94), x89, x82)
var x98 uint64
fiatScalarCmovznzU64(&x98, fiatScalarUint1(x94), x91, x84)
out1[0] = x95
out1[1] = x96
out1[2] = x97
out1[3] = x98
}
// fiatScalarToMontgomery translates a field element into the Montgomery domain.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// eval (from_montgomery out1) mod m = eval arg1 mod m
// 0 ≤ eval out1 < m
//
func fiatScalarToMontgomery(out1 *fiatScalarMontgomeryDomainFieldElement, arg1 *fiatScalarNonMontgomeryDomainFieldElement) {
x1 := arg1[1]
x2 := arg1[2]
x3 := arg1[3]
x4 := arg1[0]
var x5 uint64
var x6 uint64
x6, x5 = bits.Mul64(x4, 0x399411b7c309a3d)
var x7 uint64
var x8 uint64
x8, x7 = bits.Mul64(x4, 0xceec73d217f5be65)
var x9 uint64
var x10 uint64
x10, x9 = bits.Mul64(x4, 0xd00e1ba768859347)
var x11 uint64
var x12 uint64
x12, x11 = bits.Mul64(x4, 0xa40611e3449c0f01)
var x13 uint64
var x14 uint64
x13, x14 = bits.Add64(x12, x9, uint64(0x0))
var x15 uint64
var x16 uint64
x15, x16 = bits.Add64(x10, x7, uint64(fiatScalarUint1(x14)))
var x17 uint64
var x18 uint64
x17, x18 = bits.Add64(x8, x5, uint64(fiatScalarUint1(x16)))
var x19 uint64
_, x19 = bits.Mul64(x11, 0xd2b51da312547e1b)
var x21 uint64
var x22 uint64
x22, x21 = bits.Mul64(x19, 0x1000000000000000)
var x23 uint64
var x24 uint64
x24, x23 = bits.Mul64(x19, 0x14def9dea2f79cd6)
var x25 uint64
var x26 uint64
x26, x25 = bits.Mul64(x19, 0x5812631a5cf5d3ed)
var x27 uint64
var x28 uint64
x27, x28 = bits.Add64(x26, x23, uint64(0x0))
var x30 uint64
_, x30 = bits.Add64(x11, x25, uint64(0x0))
var x31 uint64
var x32 uint64
x31, x32 = bits.Add64(x13, x27, uint64(fiatScalarUint1(x30)))
var x33 uint64
var x34 uint64
x33, x34 = bits.Add64(x15, (uint64(fiatScalarUint1(x28)) + x24), uint64(fiatScalarUint1(x32)))
var x35 uint64
var x36 uint64
x35, x36 = bits.Add64(x17, x21, uint64(fiatScalarUint1(x34)))
var x37 uint64
var x38 uint64
x38, x37 = bits.Mul64(x1, 0x399411b7c309a3d)
var x39 uint64
var x40 uint64
x40, x39 = bits.Mul64(x1, 0xceec73d217f5be65)
var x41 uint64
var x42 uint64
x42, x41 = bits.Mul64(x1, 0xd00e1ba768859347)
var x43 uint64
var x44 uint64
x44, x43 = bits.Mul64(x1, 0xa40611e3449c0f01)
var x45 uint64
var x46 uint64
x45, x46 = bits.Add64(x44, x41, uint64(0x0))
var x47 uint64
var x48 uint64
x47, x48 = bits.Add64(x42, x39, uint64(fiatScalarUint1(x46)))
var x49 uint64
var x50 uint64
x49, x50 = bits.Add64(x40, x37, uint64(fiatScalarUint1(x48)))
var x51 uint64
var x52 uint64
x51, x52 = bits.Add64(x31, x43, uint64(0x0))
var x53 uint64
var x54 uint64
x53, x54 = bits.Add64(x33, x45, uint64(fiatScalarUint1(x52)))
var x55 uint64
var x56 uint64
x55, x56 = bits.Add64(x35, x47, uint64(fiatScalarUint1(x54)))
var x57 uint64
var x58 uint64
x57, x58 = bits.Add64(((uint64(fiatScalarUint1(x36)) + (uint64(fiatScalarUint1(x18)) + x6)) + x22), x49, uint64(fiatScalarUint1(x56)))
var x59 uint64
_, x59 = bits.Mul64(x51, 0xd2b51da312547e1b)
var x61 uint64
var x62 uint64
x62, x61 = bits.Mul64(x59, 0x1000000000000000)
var x63 uint64
var x64 uint64
x64, x63 = bits.Mul64(x59, 0x14def9dea2f79cd6)
var x65 uint64
var x66 uint64
x66, x65 = bits.Mul64(x59, 0x5812631a5cf5d3ed)
var x67 uint64
var x68 uint64
x67, x68 = bits.Add64(x66, x63, uint64(0x0))
var x70 uint64
_, x70 = bits.Add64(x51, x65, uint64(0x0))
var x71 uint64
var x72 uint64
x71, x72 = bits.Add64(x53, x67, uint64(fiatScalarUint1(x70)))
var x73 uint64
var x74 uint64
x73, x74 = bits.Add64(x55, (uint64(fiatScalarUint1(x68)) + x64), uint64(fiatScalarUint1(x72)))
var x75 uint64
var x76 uint64
x75, x76 = bits.Add64(x57, x61, uint64(fiatScalarUint1(x74)))
var x77 uint64
var x78 uint64
x78, x77 = bits.Mul64(x2, 0x399411b7c309a3d)
var x79 uint64
var x80 uint64
x80, x79 = bits.Mul64(x2, 0xceec73d217f5be65)
var x81 uint64
var x82 uint64
x82, x81 = bits.Mul64(x2, 0xd00e1ba768859347)
var x83 uint64
var x84 uint64
x84, x83 = bits.Mul64(x2, 0xa40611e3449c0f01)
var x85 uint64
var x86 uint64
x85, x86 = bits.Add64(x84, x81, uint64(0x0))
var x87 uint64
var x88 uint64
x87, x88 = bits.Add64(x82, x79, uint64(fiatScalarUint1(x86)))
var x89 uint64
var x90 uint64
x89, x90 = bits.Add64(x80, x77, uint64(fiatScalarUint1(x88)))
var x91 uint64
var x92 uint64
x91, x92 = bits.Add64(x71, x83, uint64(0x0))
var x93 uint64
var x94 uint64
x93, x94 = bits.Add64(x73, x85, uint64(fiatScalarUint1(x92)))
var x95 uint64
var x96 uint64
x95, x96 = bits.Add64(x75, x87, uint64(fiatScalarUint1(x94)))
var x97 uint64
var x98 uint64
x97, x98 = bits.Add64(((uint64(fiatScalarUint1(x76)) + (uint64(fiatScalarUint1(x58)) + (uint64(fiatScalarUint1(x50)) + x38))) + x62), x89, uint64(fiatScalarUint1(x96)))
var x99 uint64
_, x99 = bits.Mul64(x91, 0xd2b51da312547e1b)
var x101 uint64
var x102 uint64
x102, x101 = bits.Mul64(x99, 0x1000000000000000)
var x103 uint64
var x104 uint64
x104, x103 = bits.Mul64(x99, 0x14def9dea2f79cd6)
var x105 uint64
var x106 uint64
x106, x105 = bits.Mul64(x99, 0x5812631a5cf5d3ed)
var x107 uint64
var x108 uint64
x107, x108 = bits.Add64(x106, x103, uint64(0x0))
var x110 uint64
_, x110 = bits.Add64(x91, x105, uint64(0x0))
var x111 uint64
var x112 uint64
x111, x112 = bits.Add64(x93, x107, uint64(fiatScalarUint1(x110)))
var x113 uint64
var x114 uint64
x113, x114 = bits.Add64(x95, (uint64(fiatScalarUint1(x108)) + x104), uint64(fiatScalarUint1(x112)))
var x115 uint64
var x116 uint64
x115, x116 = bits.Add64(x97, x101, uint64(fiatScalarUint1(x114)))
var x117 uint64
var x118 uint64
x118, x117 = bits.Mul64(x3, 0x399411b7c309a3d)
var x119 uint64
var x120 uint64
x120, x119 = bits.Mul64(x3, 0xceec73d217f5be65)
var x121 uint64
var x122 uint64
x122, x121 = bits.Mul64(x3, 0xd00e1ba768859347)
var x123 uint64
var x124 uint64
x124, x123 = bits.Mul64(x3, 0xa40611e3449c0f01)
var x125 uint64
var x126 uint64
x125, x126 = bits.Add64(x124, x121, uint64(0x0))
var x127 uint64
var x128 uint64
x127, x128 = bits.Add64(x122, x119, uint64(fiatScalarUint1(x126)))
var x129 uint64
var x130 uint64
x129, x130 = bits.Add64(x120, x117, uint64(fiatScalarUint1(x128)))
var x131 uint64
var x132 uint64
x131, x132 = bits.Add64(x111, x123, uint64(0x0))
var x133 uint64
var x134 uint64
x133, x134 = bits.Add64(x113, x125, uint64(fiatScalarUint1(x132)))
var x135 uint64
var x136 uint64
x135, x136 = bits.Add64(x115, x127, uint64(fiatScalarUint1(x134)))
var x137 uint64
var x138 uint64
x137, x138 = bits.Add64(((uint64(fiatScalarUint1(x116)) + (uint64(fiatScalarUint1(x98)) + (uint64(fiatScalarUint1(x90)) + x78))) + x102), x129, uint64(fiatScalarUint1(x136)))
var x139 uint64
_, x139 = bits.Mul64(x131, 0xd2b51da312547e1b)
var x141 uint64
var x142 uint64
x142, x141 = bits.Mul64(x139, 0x1000000000000000)
var x143 uint64
var x144 uint64
x144, x143 = bits.Mul64(x139, 0x14def9dea2f79cd6)
var x145 uint64
var x146 uint64
x146, x145 = bits.Mul64(x139, 0x5812631a5cf5d3ed)
var x147 uint64
var x148 uint64
x147, x148 = bits.Add64(x146, x143, uint64(0x0))
var x150 uint64
_, x150 = bits.Add64(x131, x145, uint64(0x0))
var x151 uint64
var x152 uint64
x151, x152 = bits.Add64(x133, x147, uint64(fiatScalarUint1(x150)))
var x153 uint64
var x154 uint64
x153, x154 = bits.Add64(x135, (uint64(fiatScalarUint1(x148)) + x144), uint64(fiatScalarUint1(x152)))
var x155 uint64
var x156 uint64
x155, x156 = bits.Add64(x137, x141, uint64(fiatScalarUint1(x154)))
x157 := ((uint64(fiatScalarUint1(x156)) + (uint64(fiatScalarUint1(x138)) + (uint64(fiatScalarUint1(x130)) + x118))) + x142)
var x158 uint64
var x159 uint64
x158, x159 = bits.Sub64(x151, 0x5812631a5cf5d3ed, uint64(0x0))
var x160 uint64
var x161 uint64
x160, x161 = bits.Sub64(x153, 0x14def9dea2f79cd6, uint64(fiatScalarUint1(x159)))
var x162 uint64
var x163 uint64
x162, x163 = bits.Sub64(x155, uint64(0x0), uint64(fiatScalarUint1(x161)))
var x164 uint64
var x165 uint64
x164, x165 = bits.Sub64(x157, 0x1000000000000000, uint64(fiatScalarUint1(x163)))
var x167 uint64
_, x167 = bits.Sub64(uint64(0x0), uint64(0x0), uint64(fiatScalarUint1(x165)))
var x168 uint64
fiatScalarCmovznzU64(&x168, fiatScalarUint1(x167), x158, x151)
var x169 uint64
fiatScalarCmovznzU64(&x169, fiatScalarUint1(x167), x160, x153)
var x170 uint64
fiatScalarCmovznzU64(&x170, fiatScalarUint1(x167), x162, x155)
var x171 uint64
fiatScalarCmovznzU64(&x171, fiatScalarUint1(x167), x164, x157)
out1[0] = x168
out1[1] = x169
out1[2] = x170
out1[3] = x171
}
// fiatScalarToBytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
//
// Preconditions:
// 0 ≤ eval arg1 < m
// Postconditions:
// out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
//
// Input Bounds:
// arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0x1fffffffffffffff]]
// Output Bounds:
// out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0x1f]]
func fiatScalarToBytes(out1 *[32]uint8, arg1 *[4]uint64) {
x1 := arg1[3]
x2 := arg1[2]
x3 := arg1[1]
x4 := arg1[0]
x5 := (uint8(x4) & 0xff)
x6 := (x4 >> 8)
x7 := (uint8(x6) & 0xff)
x8 := (x6 >> 8)
x9 := (uint8(x8) & 0xff)
x10 := (x8 >> 8)
x11 := (uint8(x10) & 0xff)
x12 := (x10 >> 8)
x13 := (uint8(x12) & 0xff)
x14 := (x12 >> 8)
x15 := (uint8(x14) & 0xff)
x16 := (x14 >> 8)
x17 := (uint8(x16) & 0xff)
x18 := uint8((x16 >> 8))
x19 := (uint8(x3) & 0xff)
x20 := (x3 >> 8)
x21 := (uint8(x20) & 0xff)
x22 := (x20 >> 8)
x23 := (uint8(x22) & 0xff)
x24 := (x22 >> 8)
x25 := (uint8(x24) & 0xff)
x26 := (x24 >> 8)
x27 := (uint8(x26) & 0xff)
x28 := (x26 >> 8)
x29 := (uint8(x28) & 0xff)
x30 := (x28 >> 8)
x31 := (uint8(x30) & 0xff)
x32 := uint8((x30 >> 8))
x33 := (uint8(x2) & 0xff)
x34 := (x2 >> 8)
x35 := (uint8(x34) & 0xff)
x36 := (x34 >> 8)
x37 := (uint8(x36) & 0xff)
x38 := (x36 >> 8)
x39 := (uint8(x38) & 0xff)
x40 := (x38 >> 8)
x41 := (uint8(x40) & 0xff)
x42 := (x40 >> 8)
x43 := (uint8(x42) & 0xff)
x44 := (x42 >> 8)
x45 := (uint8(x44) & 0xff)
x46 := uint8((x44 >> 8))
x47 := (uint8(x1) & 0xff)
x48 := (x1 >> 8)
x49 := (uint8(x48) & 0xff)
x50 := (x48 >> 8)
x51 := (uint8(x50) & 0xff)
x52 := (x50 >> 8)
x53 := (uint8(x52) & 0xff)
x54 := (x52 >> 8)
x55 := (uint8(x54) & 0xff)
x56 := (x54 >> 8)
x57 := (uint8(x56) & 0xff)
x58 := (x56 >> 8)
x59 := (uint8(x58) & 0xff)
x60 := uint8((x58 >> 8))
out1[0] = x5
out1[1] = x7
out1[2] = x9
out1[3] = x11
out1[4] = x13
out1[5] = x15
out1[6] = x17
out1[7] = x18
out1[8] = x19
out1[9] = x21
out1[10] = x23
out1[11] = x25
out1[12] = x27
out1[13] = x29
out1[14] = x31
out1[15] = x32
out1[16] = x33
out1[17] = x35
out1[18] = x37
out1[19] = x39
out1[20] = x41
out1[21] = x43
out1[22] = x45
out1[23] = x46
out1[24] = x47
out1[25] = x49
out1[26] = x51
out1[27] = x53
out1[28] = x55
out1[29] = x57
out1[30] = x59
out1[31] = x60
}
// fiatScalarFromBytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
//
// Preconditions:
// 0 ≤ bytes_eval arg1 < m
// Postconditions:
// eval out1 mod m = bytes_eval arg1 mod m
// 0 ≤ eval out1 < m
//
// Input Bounds:
// arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0x1f]]
// Output Bounds:
// out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0x1fffffffffffffff]]
func fiatScalarFromBytes(out1 *[4]uint64, arg1 *[32]uint8) {
x1 := (uint64(arg1[31]) << 56)
x2 := (uint64(arg1[30]) << 48)
x3 := (uint64(arg1[29]) << 40)
x4 := (uint64(arg1[28]) << 32)
x5 := (uint64(arg1[27]) << 24)
x6 := (uint64(arg1[26]) << 16)
x7 := (uint64(arg1[25]) << 8)
x8 := arg1[24]
x9 := (uint64(arg1[23]) << 56)
x10 := (uint64(arg1[22]) << 48)
x11 := (uint64(arg1[21]) << 40)
x12 := (uint64(arg1[20]) << 32)
x13 := (uint64(arg1[19]) << 24)
x14 := (uint64(arg1[18]) << 16)
x15 := (uint64(arg1[17]) << 8)
x16 := arg1[16]
x17 := (uint64(arg1[15]) << 56)
x18 := (uint64(arg1[14]) << 48)
x19 := (uint64(arg1[13]) << 40)
x20 := (uint64(arg1[12]) << 32)
x21 := (uint64(arg1[11]) << 24)
x22 := (uint64(arg1[10]) << 16)
x23 := (uint64(arg1[9]) << 8)
x24 := arg1[8]
x25 := (uint64(arg1[7]) << 56)
x26 := (uint64(arg1[6]) << 48)
x27 := (uint64(arg1[5]) << 40)
x28 := (uint64(arg1[4]) << 32)
x29 := (uint64(arg1[3]) << 24)
x30 := (uint64(arg1[2]) << 16)
x31 := (uint64(arg1[1]) << 8)
x32 := arg1[0]
x33 := (x31 + uint64(x32))
x34 := (x30 + x33)
x35 := (x29 + x34)
x36 := (x28 + x35)
x37 := (x27 + x36)
x38 := (x26 + x37)
x39 := (x25 + x38)
x40 := (x23 + uint64(x24))
x41 := (x22 + x40)
x42 := (x21 + x41)
x43 := (x20 + x42)
x44 := (x19 + x43)
x45 := (x18 + x44)
x46 := (x17 + x45)
x47 := (x15 + uint64(x16))
x48 := (x14 + x47)
x49 := (x13 + x48)
x50 := (x12 + x49)
x51 := (x11 + x50)
x52 := (x10 + x51)
x53 := (x9 + x52)
x54 := (x7 + uint64(x8))
x55 := (x6 + x54)
x56 := (x5 + x55)
x57 := (x4 + x56)
x58 := (x3 + x57)
x59 := (x2 + x58)
x60 := (x1 + x59)
out1[0] = x39
out1[1] = x46
out1[2] = x53
out1[3] = x60
}

View file

@ -47,8 +47,8 @@ func (Scalar) Generate(rand *mathrand.Rand, size int) reflect.Value {
}
val := Scalar{}
fiat_sc255_from_bytes((*[4]uint64)(&val.s), &s)
fiat_sc255_to_montgomery(&val.s, (*fiat_sc255_non_montgomery_domain_field_element)(&val.s))
fiatScalarFromBytes((*[4]uint64)(&val.s), &s)
fiatScalarToMontgomery(&val.s, (*fiatScalarNonMontgomeryDomainFieldElement)(&val.s))
return reflect.ValueOf(val)
}
@ -234,7 +234,7 @@ func (notZeroScalar) Generate(rand *mathrand.Rand, size int) reflect.Value {
var isNonZero uint64
for isNonZero == 0 {
s = Scalar{}.Generate(rand, size).Interface().(Scalar)
fiat_sc255_nonzero(&isNonZero, (*[4]uint64)(&s.s))
fiatScalarNonzero(&isNonZero, (*[4]uint64)(&s.s))
}
return reflect.ValueOf(notZeroScalar(s))
}