示例#1
0
        public static byte[] GetHash(byte[] input, int offset, int length)
        {
            if (null == input)
            {
                throw new System.ArgumentNullException("input", "Unable to calculate hash over null input data");
            }

            //Initial values defined in RFC 1321
            ABCDStruct abcd = new ABCDStruct();

            abcd.A = 0x67452301;
            abcd.B = 0xefcdab89;
            abcd.C = 0x98badcfe;
            abcd.D = 0x10325476;

            //We pass in the input array by block, the final block of data must be handled specially for padding & length embedding
            int startIndex = offset;

            while (startIndex <= length - 64)
            {
                MD5Core.GetHashBlock(input, ref abcd, startIndex);
                startIndex += 64;
            }
            // The final data block.
            return(MD5Core.GetHashFinalBlock(input, startIndex, length - startIndex, abcd, (Int64)length * 8));
        }
示例#2
0
        public static byte[] GetHash(byte[] input)
        {
            if (null == input)
            {
                throw new System.ArgumentNullException("input", "Unable to calculate hash over null input data");
            }

            //Initial values defined in RFC 1321
            var abcd = GetInitialStruct();

            //We pass in the input array by block, the final block of data must be handled specially for padding & length embedding
            int startIndex = 0;

            while (startIndex <= input.Length - 64)
            {
                MD5Core.GetHashBlock(input, ref abcd, startIndex);
                startIndex += 64;
            }
            // The final data block.
            return(MD5Core.GetHashFinalBlock(input, startIndex, input.Length - startIndex, abcd, (Int64)input.Length * 8));
        }