public static VQVerifyHashResult VerifyHashArgon(
this string hash,
string password,
ulong opsLimite = VQSodiumLibrary.crypto_pwhash_argon2id_OPSLIMIT_MODERATE,
int memLimit = VQSodiumLibrary.crypto_pwhash_argon2id_MEMLIMIT_MODERATE)
{
var passwdHash = StringToUtf8Byte(password);
var hashBytes = HexStringToByte(hash);
var ret = VQSodiumLibrary.crypto_pwhash_str_verify(
hashBytes,
passwdHash,
Convert.ToUInt64(passwdHash.GetLongLength(0)));
if (ret != 0)
{
return(VQVerifyHashResult.FAILED);
}
ret = VQSodiumLibrary.crypto_pwhash_str_needs_rehash(hashBytes, opsLimite, memLimit);
if (ret < 0)
{
throw new Exception($"crypto_pwhash_str_needs_rehash: failed with result {ret}");
}
return(ret == 0 ? VQVerifyHashResult.PASSED : VQVerifyHashResult.NEEDS_REHASH);
}
public static string GetHashArgon(
this string text,
ulong opsLimite = VQSodiumLibrary.crypto_pwhash_argon2id_OPSLIMIT_MODERATE,
int memLimit = VQSodiumLibrary.crypto_pwhash_argon2id_MEMLIMIT_MODERATE)
{
var buffer = new byte[128];
var texthash = StringToUtf8Byte(text);
var result = VQSodiumLibrary.crypto_pwhash_str(
buffer,
texthash,
Convert.ToUInt64(texthash.GetLongLength(0)),
Convert.ToUInt64(opsLimite),
memLimit);
if (result != 0)
{
throw new OutOfMemoryException("Out of memory in get hash argon2");
}
var bufferTrim = buffer.Where(x => x != 0x00).ToArray();
return(BitConverter.ToString(bufferTrim).Replace(BYTE_SEPARATOR, STRING_EMPTY));
}
