public static string HmacSign(string aValue, string aKey)
{
var kIpad = new byte[64];
var kOpad = new byte[64];
byte[] keyb = Encoding.UTF8.GetBytes(aKey);
byte[] value = Encoding.UTF8.GetBytes(aValue);
for (int i = keyb.Length; i < 64; i++)
kIpad[i] = 54;
for (int i = keyb.Length; i < 64; i++)
kOpad[i] = 92;
for (int i = 0; i < keyb.Length; i++)
{
kIpad[i] = (byte)(keyb[i] ^ 0x36);
kOpad[i] = (byte)(keyb[i] ^ 0x5c);
}
var md = new HmacMd5();
md.Update(kIpad, (uint)kIpad.Length);
md.Update(value, (uint)value.Length);
byte[] dg = md.Finalize();
md.Init();
md.Update(kOpad, (uint)kOpad.Length);
md.Update(dg, 16);
dg = md.Finalize();
return ToHex(dg);
}
public static string HmacSign(string aValue, string aKey)
{
var kIpad = new byte[64];
var kOpad = new byte[64];
byte[] keyb = Encoding.UTF8.GetBytes(aKey);
byte[] value = Encoding.UTF8.GetBytes(aValue);
for (int i = keyb.Length; i < 64; i++)
{
kIpad[i] = 54;
}
for (int i = keyb.Length; i < 64; i++)
{
kOpad[i] = 92;
}
for (int i = 0; i < keyb.Length; i++)
{
kIpad[i] = (byte)(keyb[i] ^ 0x36);
kOpad[i] = (byte)(keyb[i] ^ 0x5c);
}
var md = new HmacMd5();
md.Update(kIpad, (uint)kIpad.Length);
md.Update(value, (uint)value.Length);
byte[] dg = md.Finalize();
md.Init();
md.Update(kOpad, (uint)kOpad.Length);
md.Update(dg, 16);
dg = md.Finalize();
return(ToHex(dg));
}