(Chilkat2-Python) Duplicate Java AES Results

Demonstrates how to duplicate Java code for AES encryption.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import chilkat2

crypt = chilkat2.Crypt2()

crypt.CryptAlgorithm = "aes"
crypt.CipherMode = "cbc"
crypt.KeyLength = 256

crypt.SetEncodedIV("000102030405060708090A0B0C0D0E0F","hex")
crypt.SetEncodedKey("uX1AytOx2bqKn1G1NiblFM3YrEMnvciC","ascii")

crypt.EncodingMode = "hex"

encrypted = crypt.EncryptStringENC("tmpString")
print(encrypted)

print(crypt.DecryptStringENC(encrypted))

# The above Chilkat code duplicates the following Java code:

# import javax.crypto.Cipher;
# import javax.crypto.spec.IvParameterSpec;
# import javax.crypto.spec.SecretKeySpec;
# 
# public class Test {
# 	private static final String KEY = "uX1AytOx2bqKn1G1NiblFM3YrEMnvciC";
# 	private static final String IV = "000102030405060708090A0B0C0D0E0F";
# 
# 	private static final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
# 	public static String bytesToHex(byte[] bytes) {
# 	    char[] hexChars = new char[bytes.length * 2];
# 	    for (int j = 0; j < bytes.length; j++) {
# 	        int v = bytes[j] & 0xFF;
# 	        hexChars[j * 2] = HEX_ARRAY[v >>> 4];
# 	        hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
# 	    }
# 	    return new String(hexChars);
# 	}
# 	public static byte[] hexToBytes(String s) {
# 	    int len = s.length();
# 	    byte[] data = new byte[len / 2];
# 	    for (int i = 0; i < len; i += 2) {
# 	        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
# 	                             + Character.digit(s.charAt(i+1), 16));
# 	    }
# 	    return data;
# 	}
# 	public static byte[] encrypt(String value) {
# 		try {
# 			System.out.println("---- encrypt ----");
# 			IvParameterSpec iv = new IvParameterSpec(hexToBytes(IV));
# 			SecretKeySpec skeySpec = new SecretKeySpec(KEY.getBytes("ASCII"), "AES");
# 			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
# 			cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
# 			byte[] encrypted = cipher.doFinal(value.getBytes("ASCII"));
# 			String x = bytesToHex(encrypted);
# 			System.out.println(x);
# 			return encrypted;
# 		} catch (Exception ex) {
# 			ex.printStackTrace();
# 			return null;
# 		}
# 	}
# 
# 	public static String decrypt(byte[] encrypted) {
# 		try {
# 			System.out.println("---- decrypt ----");
# 			IvParameterSpec iv = new IvParameterSpec(hexToBytes(IV));
# 			SecretKeySpec skeySpec = new SecretKeySpec(KEY.getBytes("ASCII"), "AES");
# 			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
# 			cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
# 			byte[] original = cipher.doFinal(encrypted);
# 			String x = new String(original);
# 			System.out.println(x);
# 			return x;
# 		} catch (Exception ex) {
# 			ex.printStackTrace();
# 			return null;
# 		}
# 
# 	}
# 
# 	public static void main(String[] args) {
# 		byte[] encrypted = encrypt("tmpString");
# 		decrypt(encrypted);
# 	}
# }
#