Ejemplo n.º 1
0
        /// <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);
 }