public byte[] decryptWithARIA128CBC(byte dataBytes[], byte cryptKey[], byte ivec[])
throws InvalidKeyException {
if (dataBytes == null || cryptKey == null) return null;
if (dataBytes.length % ARIA128_BLOCKSIZE != 0 || cryptKey.length != ARIA128_BLOCKSIZE) {
System.out.println(
"[decryptWithARIA128] : dataBytes length should be the multiple of 16 and cryptKey length should be 16");
throw new InvalidKeyException(
"[decryptWithARIA128] : dataBytes length should be the multiple of 16 and cryptKey length should be 16");
}
int inLength = dataBytes.length;
byte outData[] = new byte[inLength];
int outLength =
ARIA_CBC.ARIA_CBC(
ARIA_CBC.ARIA_DECRYPT,
ARIA_CBC.ARIA128_BITSIZE,
cryptKey,
ivec,
dataBytes,
dataBytes.length,
outData);
byte resultOutData[] = new byte[outLength];
System.arraycopy(outData, 0, resultOutData, 0, outLength);
return resultOutData;
}
public byte[] encryptWithARIA128CBC(byte dataBytes[], byte cryptKey[], byte ivec[])
throws InvalidKeyException {
if (dataBytes == null || cryptKey == null) return null;
if (cryptKey.length != ARIA128_BLOCKSIZE) {
System.out.println("[encryptWithARIA128] : cryptKey length should be 16");
throw new InvalidKeyException("[encryptWithARIA128] : cryptKey length should be 16");
}
int inLength = dataBytes.length;
int outLength = (inLength / ARIA_CBC.ARIA_BLOCK_SIZE + 1) * ARIA_CBC.ARIA_BLOCK_SIZE;
byte outData[] = new byte[outLength];
ARIA_CBC.ARIA_CBC(
ARIA_CBC.ARIA_ENCRYPT,
ARIA_CBC.ARIA128_BITSIZE,
cryptKey,
ivec,
dataBytes,
dataBytes.length,
outData);
return outData;
}