HMAC MD5 to Match RFC 2022 Test Vectors

Demonstrates using Chilkat in C to computer HMAC MD5 message authentication codes to match the test vectors given by RFC 2202.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

#include <C_CkCrypt2.h>

void ChilkatSample(void)
    {
    HCkCrypt2 crypt;
    BOOL success;
    const char * mac;

    crypt = CkCrypt2_Create();

    //  Any string argument automatically begins the 30-day trial.

    success = CkCrypt2_UnlockComponent(crypt,"30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkCrypt2_lastErrorText(crypt));
        return;
    }

    //  The output will be Hex, so set the EncodingMode:
    CkCrypt2_putEncodingMode(crypt,"hex");

    //  Set the hash algorithm:
    //  Choices are: md5, sha-1, sha256, sha384, sha512, md2, haval
    CkCrypt2_putHashAlgorithm(crypt,"md5");

    //  Set the HMAC key:
    CkCrypt2_SetHmacKeyEncoded(crypt,"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b","hex");
    mac = CkCrypt2_hmacStringENC(crypt,"Hi There");
    printf("%s\n",mac);

    CkCrypt2_SetHmacKeyEncoded(crypt,"Jefe","ansi");
    mac = CkCrypt2_hmacStringENC(crypt,"what do ya want for nothing?");
    printf("%s\n",mac);

    CkCrypt2_Dispose(crypt);

    }