public static byte[] GetHash(byte[] input)
{
if (null == input)
{
throw new System.ArgumentNullException("input", "Unable to calculate hash over null input data");
}
//Intitial 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 specialy for padding & length embeding
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));
}
internal void calculateChecksum(String publicKey, String privateKey, String uuid, String huid)
{
String getString = this.urlParamPayload(publicKey, uuid, huid);
String getPayload = MD5Core.GetHashString(getString);
Utils.log("Hashing " + getString + " --> " + getPayload);
String payload = null;
if (this.postData != null)
{
String postPayload = MD5Core.GetHashString(this.postData);
Utils.log("Hashing " + this.postData + " --> " + postPayload);
payload = MD5Core.GetHashString(getPayload + postPayload);
Utils.log("Hashing " + getPayload + postPayload + " --> " + payload);
}
else
{
payload = getPayload;
}
String result = MD5Core.GetHashString(payload + privateKey);
Utils.log("Hashing " + payload + privateKey + " --> " + result);
this.checksum = result;
}