74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
package keys
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import (
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"encoding/binary"
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"golang.org/x/crypto/blake2b"
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)
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var AesGenerator1R_Keys = keyDataInitialize_4_16("RandomX AesGenerator1R keys")
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var AesGenerator4R_Keys = keyDataInitialize_8_16("RandomX AesGenerator4R keys 0-3", "RandomX AesGenerator4R keys 4-7")
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var AesHash1R_State = keyDataInitialize_4_16("RandomX AesHash1R state")
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var AesHash1R_XKeys = keyDataInitialize_2_16("RandomX AesHash1R xkeys")
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var SuperScalar_Constants = keyDataInitialize_8_64("RandomX SuperScalarHash initialize")
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func keyDataInitialize_8_16(input1, input2 string) (out [8][4]uint32) {
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data := keyDataInitialize512(input1)
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for i := range out[:4] {
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for j := range out[i] {
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out[i][j] = binary.LittleEndian.Uint32(data[i*16+j*4:])
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}
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}
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data2 := keyDataInitialize512(input2)
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for i := range out[4:] {
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for j := range out[i+4] {
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out[i+4][j] = binary.LittleEndian.Uint32(data2[i*16+j*4:])
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}
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}
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return out
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}
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func keyDataInitialize_4_16(input string) (out [4][4]uint32) {
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data := keyDataInitialize512(input)
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for i := range out {
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for j := range out[i] {
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out[i][j] = binary.LittleEndian.Uint32(data[i*16+j*4:])
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}
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}
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return out
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}
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func keyDataInitialize_2_16(input string) (out [2][4]uint32) {
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data := keyDataInitialize256(input)
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for i := range out {
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for j := range out[i] {
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out[i][j] = binary.LittleEndian.Uint32(data[i*16+j*4:])
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}
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}
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return out
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}
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func keyDataInitialize_8_64(input string) (out [8]uint64) {
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data := keyDataInitialize512(input)
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for i := range out[1:] {
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out[i+1] = binary.LittleEndian.Uint64(data[8+i*8:])
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}
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// Multiplier was selected because it gives an excellent distribution for linear generators (D. Knuth: The Art of Computer Programming – Vol 2.)
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out[0] = 6364136223846793005
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// Additionally, the constant for r1 was increased by 2^33+700
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out[1] += (1 << 33) + 700
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// and the constant for r3 was increased by 2^14
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out[3] += 1 << 14
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return out
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}
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func keyDataInitialize512(input string) [blake2b.Size]byte {
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return blake2b.Sum512([]byte(input))
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}
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func keyDataInitialize256(input string) [blake2b.Size256]byte {
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return blake2b.Sum256([]byte(input))
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}
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