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utils.go
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/
utils.go
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package whirlpool
import (
"encoding/binary"
)
// Endianness option
const littleEndian bool = false
func bytesToUint64s(b []byte) []uint64 {
size := len(b) / 8
dst := make([]uint64, size)
for i := 0; i < size; i++ {
j := i * 8
if littleEndian {
dst[i] = binary.LittleEndian.Uint64(b[j:])
} else {
dst[i] = binary.BigEndian.Uint64(b[j:])
}
}
return dst
}
func uint64sToBytes(w []uint64) []byte {
size := len(w) * 8
dst := make([]byte, size)
for i := 0; i < len(w); i++ {
j := i * 8
if littleEndian {
binary.LittleEndian.PutUint64(dst[j:], w[i])
} else {
binary.BigEndian.PutUint64(dst[j:], w[i])
}
}
return dst
}