f2aFL9mm

1public static final String HMAC_SHA256_ALGORITHM    = "HmacSHA256";
2
3 protected static SecretKey generateMacSha256Key()
4    {
5        return generateMacKey(HMAC_SHA256_ALGORITHM, HMAC_SHA256_KEYSIZE);
6    }
7
8protected static SecretKey generateMacKey(String algorithm, int keySize)
9    {
10        try
11        {
12            KeyGenerator keyGen = KeyGenerator.getInstance(algorithm);
13
14            keyGen.init(keySize);
15
16            return keyGen.generateKey();
17        }