Beispiel #1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="Hkdf"/> class.
        /// </summary>
        /// <param name="keyedHashAlgorithm">The class that will be used to perform key derivation.</param>
        /// <param name="data">The additional input data.</param>
        private Hkdf(KeyedHashAlgorithm keyedHashAlgorithm, byte[] data)
        {
            if (keyedHashAlgorithm.IsNull())
            {
                throw new ArgumentNullException(paramName: nameof(keyedHashAlgorithm));
            }

            m_data = (data ?? CompatibilityUtils.Array.Empty <byte>());
            m_keyedHashAlgorithm = keyedHashAlgorithm;
            m_maxKeyLength       = (byte.MaxValue * (keyedHashAlgorithm.HashSize >> 3));
        }
Beispiel #2
0
        /// <summary>
        /// Initializes a new instance of the <see cref="Pbkdf2"/> class.
        /// </summary>
        /// <param name="keyedHashAlgorithm">The class that will be used to perform key derivation.</param>
        /// <param name="salt">The salt that will be combined with the passord during key derivation.</param>
        /// <param name="iterationCount">The number of iterations that will be performed to derive a new key.</param>
        private Pbkdf2(KeyedHashAlgorithm keyedHashAlgorithm, ReadOnlySpan <byte> salt, uint iterationCount)
        {
            if (keyedHashAlgorithm.IsNull())
            {
                throw new ArgumentNullException(paramName: nameof(keyedHashAlgorithm));
            }

            m_iterationCount     = iterationCount;
            m_keyedHashAlgorithm = keyedHashAlgorithm;
            m_salt = salt.ToArray();
        }