go-randomx/aes/hash_generic.go

37 lines
879 B
Go

//go:build !amd64 || purego
package aes
import (
"git.gammaspectra.live/P2Pool/go-randomx/v3/keys"
"unsafe"
)
func fillAes1Rx4(state *[64]byte, output []byte) {
// Reference to state without copying
states := (*[4][4]uint32)(unsafe.Pointer(state))
for outptr := 0; outptr < len(output); outptr += len(state) {
aesroundtrip_decenc(states, &keys.AesGenerator1R_Keys)
copy(output[outptr:], state[:])
}
}
func hashAes1Rx4(input []byte, output *[64]byte) {
// states are copied
states := keys.AesHash1R_State
for input_ptr := 0; input_ptr < len(input); input_ptr += 64 {
in := (*[4][4]uint32)(unsafe.Pointer(unsafe.SliceData(input[input_ptr:])))
aesroundtrip_encdec(&states, in)
}
aesroundtrip_encdec1(&states, &keys.AesHash1R_XKeys[0])
aesroundtrip_encdec1(&states, &keys.AesHash1R_XKeys[1])
copy(output[:], (*[64]byte)(unsafe.Pointer(&states))[:])
}