public static byte[] process(byte[] secretKey, byte[] data, int length)
{
SHA1HashFunction sha = new SHA1HashFunction();
SHA1HashFunction sha2 = new SHA1HashFunction();
byte[] buffer = new byte[SHA1HashFunction.HashSize];
byte[] buffer2 = new byte[SHA1HashFunction.HashSize];
int arg_28_0 = SHA1HashFunction.HashSize;
byte[] buffer3 = new byte[SHA1HashFunction.BlockSize];
int hashSize = secretKey.Length;
if (hashSize > SHA1HashFunction.BlockSize)
{
SHA1HashFunction sha3 = new SHA1HashFunction();
sha3.Reset();
sha3.Input(secretKey);
secretKey = sha3.Result();
hashSize = SHA1HashFunction.HashSize;
}
sha.Reset();
for (int num = 0; num < hashSize; num++)
{
buffer3[num] = (byte)(secretKey[num] ^ 54);
}
for (int num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer3[num] = 54;
}
sha.Input(buffer3);
sha.Input(data);
buffer = sha.Result();
sha2.Reset();
for (int num = 0; num < hashSize; num++)
{
buffer3[num] = (byte)(secretKey[num] ^ 92);
}
for (int num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer3[num] = 92;
}
sha2.Input(buffer3);
sha2.Input(buffer);
buffer2 = sha2.Result();
length = ((length > SHA1HashFunction.HashSize) ? SHA1HashFunction.HashSize : length);
byte[] buffer4 = new byte[length];
CryptoEngineHMACSHA1.truncate(buffer2, buffer4, length);
return(buffer4);
}
/// <summary>
/// </summary>
/// <param name="secretKey"></param>
/// <param name="data"></param>
/// <param name="length"></param>
/// <returns></returns>
public static byte[] process(byte[] secretKey, byte[] data, int length)
{
int num;
SHA1HashFunction sha = new SHA1HashFunction();
SHA1HashFunction sha2 = new SHA1HashFunction();
byte[] buffer = new byte[SHA1HashFunction.HashSize];
byte[] buffer2 = new byte[SHA1HashFunction.HashSize];
byte[] buffer3 = new byte[SHA1HashFunction.HashSize];
byte[] buffer4 = new byte[SHA1HashFunction.BlockSize];
int hashSize = secretKey.Length;
if (hashSize > SHA1HashFunction.BlockSize)
{
SHA1HashFunction sha3 = new SHA1HashFunction();
sha3.Reset();
sha3.Input(secretKey);
secretKey = sha3.Result();
hashSize = SHA1HashFunction.HashSize;
}
sha.Reset();
for (num = 0; num < hashSize; num++)
{
buffer4[num] = (byte)(secretKey[num] ^ 0x36);
}
for (num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer4[num] = 0x36;
}
sha.Input(buffer4);
sha.Input(data);
buffer = sha.Result();
sha2.Reset();
for (num = 0; num < hashSize; num++)
{
buffer4[num] = (byte)(secretKey[num] ^ 0x5c);
}
for (num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer4[num] = 0x5c;
}
sha2.Input(buffer4);
sha2.Input(buffer);
buffer2 = sha2.Result();
length = (length > SHA1HashFunction.HashSize) ? SHA1HashFunction.HashSize : length;
byte[] buffer5 = new byte[length];
truncate(buffer2, buffer5, length);
return(buffer5);
}
/// <summary>
/// </summary>
/// <param name="secretKey"></param>
/// <param name="data"></param>
/// <param name="length"></param>
/// <returns></returns>
public static byte[] process(byte[] secretKey, byte[] data, int length)
{
int num;
SHA1HashFunction sha = new SHA1HashFunction();
SHA1HashFunction sha2 = new SHA1HashFunction();
byte[] buffer = new byte[SHA1HashFunction.HashSize];
byte[] buffer2 = new byte[SHA1HashFunction.HashSize];
byte[] buffer3 = new byte[SHA1HashFunction.HashSize];
byte[] buffer4 = new byte[SHA1HashFunction.BlockSize];
int hashSize = secretKey.Length;
if (hashSize > SHA1HashFunction.BlockSize)
{
SHA1HashFunction sha3 = new SHA1HashFunction();
sha3.Reset();
sha3.Input(secretKey);
secretKey = sha3.Result();
hashSize = SHA1HashFunction.HashSize;
}
sha.Reset();
for (num = 0; num < hashSize; num++)
{
buffer4[num] = (byte)(secretKey[num] ^ 0x36);
}
for (num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer4[num] = 0x36;
}
sha.Input(buffer4);
sha.Input(data);
buffer = sha.Result();
sha2.Reset();
for (num = 0; num < hashSize; num++)
{
buffer4[num] = (byte)(secretKey[num] ^ 0x5c);
}
for (num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer4[num] = 0x5c;
}
sha2.Input(buffer4);
sha2.Input(buffer);
buffer2 = sha2.Result();
length = (length > SHA1HashFunction.HashSize) ? SHA1HashFunction.HashSize : length;
byte[] buffer5 = new byte[length];
truncate(buffer2, buffer5, length);
return buffer5;
}
public static byte[] process(byte[] secretKey, byte[] data, int length)
{
SHA1HashFunction sha = new SHA1HashFunction();
SHA1HashFunction sha2 = new SHA1HashFunction();
byte[] buffer = new byte[SHA1HashFunction.HashSize];
byte[] buffer2 = new byte[SHA1HashFunction.HashSize];
int arg_28_0 = SHA1HashFunction.HashSize;
byte[] buffer3 = new byte[SHA1HashFunction.BlockSize];
int hashSize = secretKey.Length;
if (hashSize > SHA1HashFunction.BlockSize)
{
SHA1HashFunction sha3 = new SHA1HashFunction();
sha3.Reset();
sha3.Input(secretKey);
secretKey = sha3.Result();
hashSize = SHA1HashFunction.HashSize;
}
sha.Reset();
for (int num = 0; num < hashSize; num++)
{
buffer3[num] = (byte)(secretKey[num] ^ 54);
}
for (int num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer3[num] = 54;
}
sha.Input(buffer3);
sha.Input(data);
buffer = sha.Result();
sha2.Reset();
for (int num = 0; num < hashSize; num++)
{
buffer3[num] = (byte)(secretKey[num] ^ 92);
}
for (int num = hashSize; num < SHA1HashFunction.BlockSize; num++)
{
buffer3[num] = 92;
}
sha2.Input(buffer3);
sha2.Input(buffer);
buffer2 = sha2.Result();
length = ((length > SHA1HashFunction.HashSize) ? SHA1HashFunction.HashSize : length);
byte[] buffer4 = new byte[length];
CryptoEngineHMACSHA1.truncate(buffer2, buffer4, length);
return buffer4;
}