func Hash(message []byte) []byte {
hash := make([]byte, HashSize)
C.crypto_hash(array(hash), array(message), C.ulonglong(len(message)))
return hash
}
func CryptoHash(in []byte) ([]byte, int) {
out := make([]byte, CryptoHashBytes())
exit := int(C.crypto_hash(
(*C.uchar)(&out[0]),
(*C.uchar)(&in[0]),
(C.ulonglong)(len(in))))
return out, exit
}
// Uses the hash in libsodium
func CalculateHash(data []byte) (hash Hash, err error) {
hashPointer := (*C.uchar)(unsafe.Pointer(&hash[0]))
messagePointer := (*C.uchar)(unsafe.Pointer(&data[0]))
sizeOfMessage := C.ulonglong(len(data))
success := C.crypto_hash(hashPointer, messagePointer, sizeOfMessage)
if success != 0 {
err = fmt.Errorf("Error in calculating hash")
}
return
}