/// <summary>
/// Create the specified hashing algorithm.
/// </summary>
/// <returns>The created algorithm.</returns>
/// <param name="algorithm">The name of the hash algorithm to create.</param>
/// <param name="allowfallback">If set to <c>true</c>, the `<seealso cref="System.Security.Cryptography.HashAlgorithm.Create()"/> method is called if not implementation could be loaded</param>
/// <param name="implementation">The hash implementation toy use</param>
public static HashAlgorithm Create(string algorithm, bool allowfallback = true, HashImplementation implementation = HashImplementation.Any)
{
HashAlgorithm result = null;
// If we are not asked for a particular version, pick the best we found
if (implementation == HashImplementation.Any)
{
implementation = PreferedImplementation;
}
switch (implementation)
{
case HashImplementation.OpenSSL10:
result = OpenSSL10HashAlgorithm.Create(algorithm);
break;
case HashImplementation.OpenSSL11:
result = OpenSSL11HashAlgorithm.Create(algorithm);
break;
case HashImplementation.CNG:
result = CNGHashAlgorithm.Create(algorithm, false);
break;
case HashImplementation.AppleCommonCrypto:
result = AppleCommonCryptoHashAlgorithm.Create(algorithm);
break;
case HashImplementation.Managed:
result = HashAlgorithm.Create(algorithm);
break;
}
if (allowfallback)
{
result = result ?? HashAlgorithm.Create(algorithm);
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:FasterHashing.AppleCommonCryptoSHA512"/> class.
/// </summary>
public AppleCommonCryptoSHA512()
{
m_size = AppleCommonCryptoHashAlgorithm.GetDigestSize(AppleCCDigest.SHA512);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:FasterHashing.AppleCommonCryptoMD5"/> class.
/// </summary>
public AppleCommonCryptoMD5()
{
m_size = AppleCommonCryptoHashAlgorithm.GetDigestSize(AppleCCDigest.MD5);
}