Пример #1
0
 /// <summary>
 /// Creates a hash algorithm instance.
 /// </summary>
 /// <param name="name">The hash algorithm name,</param>
 /// <returns>A hash algorithm instance.</returns>
 /// <exception cref="ArgumentNullException">name was null.</exception>
 /// <exception cref="ArgumentException">name.Name was null or empty.</exception>
 /// <exception cref="NotSupportedException">The hash algorithm name is not supported.</exception>
 public static HashAlgorithm Create(HashAlgorithmName name)
 {
     if (name == HashAlgorithmName.SHA512)
     {
         return(SHA512.Create());
     }
     if (name == HashAlgorithmName.MD5)
     {
         return(MD5.Create());
     }
     if (name == HashAlgorithmName.SHA256)
     {
         return(SHA256.Create());
     }
     if (name == HashAlgorithmName.SHA1)
     {
         return(SHA1.Create());
     }
     if (name == HashAlgorithmName.SHA384)
     {
         return(SHA384.Create());
     }
     if (string.IsNullOrWhiteSpace(name.Name))
     {
         throw new ArgumentException("name.Name should not be null or empty.", nameof(name));
     }
     return((name.Name.ToUpperInvariant().Replace("-", string.Empty)) switch
     {
         "SHA3512" or "KECCAK512" or "SHA3" => SHA3Managed.Create512(),
         "SHA3384" or "KECCAK384" => SHA3Managed.Create384(),
         "SHA3256" or "KECCAK256" => SHA3Managed.Create256(),
         "SHA3224" or "KECCAK224" => SHA3Managed.Create224(),
         "SHA256" => SHA256.Create(),
         "SHA384" => SHA384.Create(),
         "SHA512" or "SHA2" => SHA512.Create(),
         "MD5" => MD5.Create(),
         "SHA1" => SHA1.Create(),
         _ => HashAlgorithm.Create(name.Name),
     });
Пример #2
0
 /// <summary>
 /// Creates a hash signature provider using SHA-3-256 hash algorithm.
 /// </summary>
 /// <param name="shortName">true if use short name; otherwise, false.</param>
 /// <returns>A keyed hash signature provider.</returns>
 public static HashSignatureProvider CreateSHA3256(bool shortName = false)
 {
     return(new HashSignatureProvider(SHA3Managed.Create256(), shortName ? "S3256" : "SHA3256", true));
 }