Пример #1
0
            /// <summary>
            /// Calculate a unique hash for a non-null series of bytes (Uses SHA256 by default)
            /// </summary>
            /// <param name="bytesToHash">Non-null list of bytes upon which to calculate hash</param>
            /// <param name="hashSalt">(optional) Additional text that you want to use to add addtional 'secrecy' to your hash.  If provided uses HMAC256 instead of SHA256</param>
            /// <returns>Base64 encoded string of hash.  The value is suitable for storing in databases but might need to be HtmlEncoded if used in query strings or displayed on web pages</returns>
            public static byte[] Hash(byte[] bytesToHash, byte[] hashSalt = null)
            {
                if (hashSalt == null)
                {
                    var simpleKey = HashKeySimple.Create(_defaultSimpleHashMode);
                    return(simpleKey.Hash(bytesToHash));
                }

                var keyedHasher = HashKeySalted.Create(_defaultSaltedHashMode, hashSalt);

                return(keyedHasher.Hash(bytesToHash));
            }
Пример #2
0
        /// <summary>
        /// Create a key suitable for a hashing using a specific algorithm
        /// </summary>
        /// <param name="hashMode">One of the HashModesSimple constants</param>
        /// <returns>New hash key</returns>
        public static HashKeySimple Create(string hashMode)
        {
            var key = new HashKeySimple();

            key.Properties.Add(new KeyProperty()
            {
                PropertyType = Crypto.PropertyTypes.HashMode,
                Value        = hashMode,
                ValueType    = Crypto.PropertyValueTypes.String
            });

            return(key);
        }
Пример #3
0
        /// <summary>
        /// Create a key suitable for a hashing using a specific algorithm
        /// </summary>
        /// <param name="hashMode">One of the HashModesSimple constants</param>
        /// <returns>New hash key</returns>
        public static HashKeySimple Create(string hashMode)
        {
            var key = new HashKeySimple();
            key.Properties.Add(new KeyProperty()
            {
                PropertyType = Crypto.PropertyNames.HashSimpleMode,
                Value = hashMode,
                ValueType = Crypto.PropertyValueTypes.String
            });

            return key;
        }