3DES Test Vector

Example for 3-key 3DES encryption (192-bit) to match a test vector produced by both (non-Chilkat) PHP code and C# code using the .NET Framework.

PHP code to produce identical output: PHP 3DES Test Vector

C# code to produce identical output: C# 3DES Test Vector

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#include <C_CkCrypt2.h>

void ChilkatSample(void)
    {
    HCkCrypt2 crypt;
    BOOL success;
    const char * keyAscii;
    const char * encStr;
    const char * decStr;

    crypt = CkCrypt2_Create();

    success = CkCrypt2_UnlockComponent(crypt,"Anything for 30-day trial.");
    if (success != TRUE) {
        printf("Crypt component unlock failed\n");
        return;
    }

    //  Specify 3DES for the encryption algorithm:
    CkCrypt2_putCryptAlgorithm(crypt,"3des");

    CkCrypt2_putCipherMode(crypt,"ecb");

    //  KeyLength must be 192.  3DES is technically 168-bits;
    //  the most-significant bit of each key byte is a parity bit,
    //  so we must indicate a KeyLength of 192, which includes
    //  the parity bits.
    CkCrypt2_putKeyLength(crypt,192);

    //  Pad with zeros
    CkCrypt2_putPaddingScheme(crypt,3);

    //  EncodingMode specifies the encoding of the output for
    //  encryption, and the input for decryption.
    //  It may be "hex", "url", "base64", or "quoted-printable".
    CkCrypt2_putEncodingMode(crypt,"hex");

    //  The secret key must equal the size of the key.  For
    //  3DES, the key must be 24 bytes (i.e. 192-bits).

    keyAscii = "1234567890123456ABCDEFGH";
    CkCrypt2_SetEncodedKey(crypt,keyAscii,"ascii");

    //  Encrypt.
    //  The result should be:
    //  13d4d3549493d2870f93c3e0812a06de467e1f9c0bfb16c070ede5cabbd3ca62f217a7ae8d47f2c7bf62eb309323b58b

    encStr = CkCrypt2_encryptStringENC(crypt,"The quick brown fox jumped over the lazy dog");
    printf("%s\n",encStr);

    //  Now decrypt:

    decStr = CkCrypt2_decryptStringENC(crypt,encStr);
    printf("%s\n",decStr);


    CkCrypt2_Dispose(crypt);

    }