private static Func <HashAlgorithm> GetHashAlgorithm(ShaTypes type, int hashSizeInBits)
{
return(type switch
{
ShaTypes.Sha1 => () => new SHA1CryptoServiceProvider(),
ShaTypes.Sha224 => () => new SHA224CryptoServiceProvider(),
ShaTypes.Sha256 => () => new SHA256CryptoServiceProvider(),
ShaTypes.Sha384 => () => new SHA384CryptoServiceProvider(),
ShaTypes.Sha512 => () => new SHA512CryptoServiceProvider(),
ShaTypes.Sha512Bit224 => () => new SHA512tCryptoServiceProvider(hashSizeInBits),
ShaTypes.Sha512Bit256 => () => new SHA512tCryptoServiceProvider(hashSizeInBits),
ShaTypes.Sha3Bit224 => () => new SHA3CryptoServiceProvider(hashSizeInBits),
ShaTypes.Sha3Bit256 => () => new SHA3CryptoServiceProvider(hashSizeInBits),
ShaTypes.Sha3Bit384 => () => new SHA3CryptoServiceProvider(hashSizeInBits),
ShaTypes.Sha3Bit512 => () => new SHA3CryptoServiceProvider(hashSizeInBits),
_ => () => new SHA1CryptoServiceProvider()
});
public static ISHA Create(ShaTypes type = ShaTypes.Sha1) => Factory.Create(type);
internal ShaFunction(ShaTypes type)
{
HashType = type;
HashSizeInBits = (int)type % 1000;
}
public ShaBlockTransformer(ShaTypes type)
{
_hashSizeInBits = (int)type % 1000;
_internalAlgorithmFactory = GetHashAlgorithm(type, _hashSizeInBits);
}
public static ISHA Create(ShaTypes type = ShaTypes.Sha1) => new ShaFunction(type);
