public static string HmacSign(string aValue, string aKey)
{
byte[] k_ipad = new byte[64];
byte[] k_opad = new byte[64];
byte[] keyb;
byte[] Value;
keyb = Encoding.UTF8.GetBytes(aKey);
Value = Encoding.UTF8.GetBytes(aValue);
for( int i=keyb.Length; i<64; i++)
k_ipad[i] = 54;
for( int i=keyb.Length; i<64; i++)
k_opad[i] = 92;
for(int i = 0; i < keyb.Length; i++)
{
k_ipad[i] = (byte)(keyb[i] ^ 0x36);
k_opad[i] = (byte)(keyb[i] ^ 0x5c);
}
HmacMD5 md = new HmacMD5();
md.update(k_ipad, (uint)k_ipad.Length);
md.update(Value, (uint)Value.Length);
byte[] dg = md.finalize();
md.init();
md.update(k_opad, (uint)k_opad.Length);
md.update(dg, 16);
dg = md.finalize();
return toHex(dg);
}
public static string HmacSign(string aValue, string aKey)
{
byte[] k_ipad = new byte[64];
byte[] k_opad = new byte[64];
byte[] keyb;
byte[] Value;
keyb = Encoding.UTF8.GetBytes(aKey);
Value = Encoding.UTF8.GetBytes(aValue);
for (int i = keyb.Length; i < 64; i++)
{
k_ipad[i] = 54;
}
for (int i = keyb.Length; i < 64; i++)
{
k_opad[i] = 92;
}
for (int i = 0; i < keyb.Length; i++)
{
k_ipad[i] = (byte)(keyb[i] ^ 0x36);
k_opad[i] = (byte)(keyb[i] ^ 0x5c);
}
HmacMD5 md = new HmacMD5();
md.update(k_ipad, (uint)k_ipad.Length);
md.update(Value, (uint)Value.Length);
byte[] dg = md.finalize();
md.init();
md.update(k_opad, (uint)k_opad.Length);
md.update(dg, 16);
dg = md.finalize();
return(toHex(dg));
}