Create() public static method

public static Create ( ) : HashAlgorithm
return HashAlgorithm
Exemplo n.º 1
0
        // This method is not compatible with the one provided by MS in
        // framework 1.0 and 1.1 but IS compliant with PKCS#1 v.2.1 and
        // work for implementing OAEP
        public override byte[] GenerateMask(byte[] rgbSeed, int cbReturn)
        {
            HashAlgorithm hash = HashAlgorithm.Create(hashName);

            return(PKCS1.MGF1(hash, rgbSeed, cbReturn));
        }
 /// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.HMACSHA256" /> class with the specified key data.</summary>
 /// <param name="key">The secret key for <see cref="T:System.Security.Cryptography.HMACSHA256" /> encryption. The key can be any length. However, the recommended size is 64 bytes. If the key is more than 64 bytes long, it is hashed (using SHA-256) to derive a 64-byte key. If it is less than 64 bytes long, it is padded to 64 bytes. </param>
 /// <exception cref="T:System.ArgumentNullException">The <paramref name="key" /> parameter is <see langword="null" />. </exception>
 // Token: 0x060021C3 RID: 8643 RVA: 0x00077818 File Offset: 0x00075A18
 public HMACSHA256(byte[] key)
 {
     this.m_hashName    = "SHA256";
     this.m_hash1       = HMAC.GetHashAlgorithmWithFipsFallback(() => new SHA256Managed(), () => HashAlgorithm.Create("System.Security.Cryptography.SHA256CryptoServiceProvider"));
     this.m_hash2       = HMAC.GetHashAlgorithmWithFipsFallback(() => new SHA256Managed(), () => HashAlgorithm.Create("System.Security.Cryptography.SHA256CryptoServiceProvider"));
     this.HashSizeValue = 256;
     base.InitializeKey(key);
 }