/**
* self-test routine for AES cipher
*
* @param hkey key to test in hex
* @param hplain plaintext to test in hex
* @param hcipher ciphertext to test in hex
* @param lev trace level to use
*/
public static void self_test(String hkey, String hplain, String hcipher, int lev) {
// AES test triple (128-bit key test value from FIPS-197)
byte[] key = Util.hex2byte(hkey);
byte[] plain = Util.hex2byte(hplain);
byte[] cipher = Util.hex2byte(hcipher);
byte[] result;
AesAlgorithm testAES = new AesAlgorithm(); // create new AES instance to test triple
testAES.traceLevel = lev; // select level of trace info
testAES.setKey(key); // set key and display trace info
System.out.print(testAES.traceInfo);
result = testAES.encrypt(plain); // test encryption
System.out.print(testAES.traceInfo);
if (Arrays.equals(result, cipher)) System.out.print("Test OKn");
else System.out.print("Test Failed. Result was " + Util.toHEX(result) + "n");
result = testAES.decrypt(cipher); // test decryption
System.out.print(testAES.traceInfo);
if (Arrays.equals(result, plain)) System.out.print("Test OKn");
else System.out.print("Test Failed. Result was " + Util.toHEX(result) + "n");
System.out.println();
}
public void setKey(String key) {
// System.out.println("CRYPT KEY IS "+key);
setKey(static_stringToByteArray(key));
}