public SHANativeHashProvider(string hashAlgorithmId)
{
Debug.Assert(HashProviderDispenser.CanUseSubtleCryptoImpl);
switch (hashAlgorithmId)
{
case HashAlgorithmNames.SHA1:
_impl = SimpleDigest.Sha1;
_hashSizeInBytes = 20;
break;
case HashAlgorithmNames.SHA256:
_impl = SimpleDigest.Sha256;
_hashSizeInBytes = 32;
break;
case HashAlgorithmNames.SHA384:
_impl = SimpleDigest.Sha384;
_hashSizeInBytes = 48;
break;
case HashAlgorithmNames.SHA512:
_impl = SimpleDigest.Sha512;
_hashSizeInBytes = 64;
break;
default:
throw new CryptographicException(SR.Format(SR.Cryptography_UnknownHashAlgorithm, hashAlgorithmId));
}
}
private static unsafe void SimpleDigestHash(SimpleDigest hashName, ReadOnlySpan <byte> data, Span <byte> destination)
{
fixed(byte *src = data)
fixed(byte *dest = destination)
{
int res = Interop.BrowserCrypto.SimpleDigestHash(hashName, src, data.Length, dest, destination.Length);
if (res != 0)
{
throw new CryptographicException(SR.Format(SR.Unknown_SubtleCrypto_Error, res));
}
}
}
