30 lines
738 B
C#
30 lines
738 B
C#
using System.Security.Cryptography;
|
|
using Org.BouncyCastle.Crypto;
|
|
using Org.BouncyCastle.Crypto.Engines;
|
|
using Org.BouncyCastle.Crypto.Macs;
|
|
using Org.BouncyCastle.Crypto.Parameters;
|
|
|
|
namespace OF_DL.Crypto;
|
|
|
|
public class CryptoUtils
|
|
{
|
|
public static byte[] GetHMACSHA256Digest(byte[] data, byte[] key) => new HMACSHA256(key).ComputeHash(data);
|
|
|
|
public static byte[] GetCMACDigest(byte[] data, byte[] key)
|
|
{
|
|
IBlockCipher cipher = new AesEngine();
|
|
IMac mac = new CMac(cipher, 128);
|
|
|
|
KeyParameter keyParam = new(key);
|
|
|
|
mac.Init(keyParam);
|
|
|
|
mac.BlockUpdate(data, 0, data.Length);
|
|
|
|
byte[] outBytes = new byte[16];
|
|
|
|
mac.DoFinal(outBytes, 0);
|
|
return outBytes;
|
|
}
|
|
}
|