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)); }
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)); }