public byte[] Hash(
Key key,
ReadOnlySpan <byte> data,
int hashSize)
{
if (key == null)
{
throw Error.ArgumentNull_Key(nameof(key));
}
if (key.Algorithm != this)
{
throw Error.Argument_KeyWrongAlgorithm(nameof(key), key.Algorithm.GetType().FullName, GetType().FullName);
}
if (hashSize < MinHashSize || hashSize > MaxHashSize)
{
throw Error.ArgumentOutOfRange_HashSize(nameof(hashSize), hashSize.ToString(), MinHashSize.ToString(), MaxHashSize.ToString());
}
byte[] hash = new byte[hashSize];
HashCore(key.Handle, data, hash);
return(hash);
}
public void Hash(
Key key,
ReadOnlySpan <byte> data,
Span <byte> hash)
{
if (key == null)
{
throw Error.ArgumentNull_Key(nameof(key));
}
if (key.Algorithm != this)
{
throw Error.Argument_KeyWrongAlgorithm(nameof(key), key.Algorithm.GetType().FullName, GetType().FullName);
}
if (hash.Length < MinHashSize || hash.Length > MaxHashSize)
{
throw Error.Argument_HashSize(nameof(hash), hash.Length.ToString(), MinHashSize.ToString(), MaxHashSize.ToString());
}
HashCore(key.Handle, data, hash);
}
public void Verify(
Key key,
ReadOnlySpan <byte> data,
ReadOnlySpan <byte> hash)
{
if (key == null)
{
throw Error.ArgumentNull_Key(nameof(key));
}
if (key.Algorithm != this)
{
throw Error.Argument_KeyWrongAlgorithm(nameof(key), key.Algorithm.GetType().FullName, GetType().FullName);
}
if (hash.Length < MinHashSize || hash.Length > MaxHashSize)
{
throw Error.Argument_HashSize(nameof(hash), hash.Length.ToString(), MinHashSize.ToString(), MaxHashSize.ToString());
}
if (!TryVerifyCore(key.Handle, data, hash))
{
throw Error.Cryptographic_VerificationFailed();
}
}