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AES Encryption to Match PHP's Mcrypt Extension

Demonstrates how to match AES encryption results with PHP's mcrypt extension.

Please refer to this discussion about PHP AES Encryption. The code here matches the PHP mcrypt results on that page.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkCrypt2 crypt = new CkCrypt2();

    boolean success;
    success = crypt.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println("Crypt component unlock failed");
        return;
    }

    //  AES is also known as Rijndael.
    crypt.put_CryptAlgorithm("aes");

    //  CipherMode may be "ecb" or "cbc"
    crypt.put_CipherMode("cbc");

    //  KeyLength may be 128, 192, 256
    crypt.put_KeyLength(256);

    //  Pad with NULL bytes (PHP pads with NULL bytes)
    crypt.put_PaddingScheme(3);

    //  EncodingMode specifies the encoding of the output for
    //  encryption, and the input for decryption.
    //  It may be "hex", "url", "base64", or "quoted-printable".
    crypt.put_EncodingMode("hex");

    String ivAscii;
    ivAscii = "1234567890123456";
    crypt.SetEncodedIV(ivAscii,"ascii");

    //  The secret key must equal the size of the key.  For
    //  256-bit encryption, the binary secret key is 32 bytes.
    //  For 128-bit encryption, the binary secret key is 16 bytes.
    String keyAscii;
    keyAscii = "12345678901234561234567890123456";
    crypt.SetEncodedKey(keyAscii,"ascii");

    String plainText;
    plainText = "The quick brown fox jumped over the lazy dog";

    String cipherText;
    cipherText = crypt.encryptStringENC(plainText);
    System.out.println(cipherText);

    //  Do 128-bit AES encryption:
    crypt.put_KeyLength(128);
    keyAscii = "1234567890123456";
    crypt.SetEncodedKey(keyAscii,"ascii");

    cipherText = crypt.encryptStringENC(plainText);
    System.out.println(cipherText);

    //  -------
    //  Results
    //  -------
    //  You may use these as test vectors for testing your AES implementations...
    // 
    //  ------------------------
    //  256-bit key, CBC mode
    //  ------------------------
    //  IV = '1234567890123456' 
    //   (hex: 31323334353637383930313233343536)
    //  Key = '12345678901234561234567890123456' 
    //   (hex: 3132333435363738393031323334353631323334353637383930313233343536)
    //  PlainText:
    //   'The quick brown fox jumped over the lazy dog'
	// CipherText(hex):
    //   2fddc3abec692e1572d9b7d629172a05caf230bc7c8fd2d26ccfd65f9c54526984f7cb1c4326ef058cd7bee3967299e3

    // 
    //  ------------------------
    //  128-bit key, CBC mode
    //  ------------------------
    //  IV = '1234567890123456' 
    //   (hex: 31323334353637383930313233343536)
    //  Key = '1234567890123456' 
    //   (hex: 31323334353637383930313233343536)
    //  PlainText:
    //   'The quick brown fox jumped over the lazy dog'
	// CipherText(hex):
    //   f78176ae8dfe84578529208d30f446bbb29a64dc388b5c0b63140a4f316b3f341fe7d3b1a3cc5113c81ef8dd714a1c99

  }
}

 

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