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C

Workaround for the deprecated Crypt2.MacString method

Shows how to replace the deprecated MacString method. (Chilkat is moving away from the use of CkByteData.)

Chilkat C Downloads

C
#include <C_CkCrypt2.h>
#include <C_CkByteData.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCrypt2 crypt;
    const char *keyHex;
    const char *inputStr;
    HCkByteData outData;
    const char *mac_base64;

    success = FALSE;

    crypt = CkCrypt2_Create();

    CkCrypt2_putCharset(crypt,"utf-8");

    //  Do HMAC using SHA-256.
    CkCrypt2_putMacAlgorithm(crypt,"hmac");
    CkCrypt2_putHashAlgorithm(crypt,"sha256");

    keyHex = "000102030405060708090A0B0C0D0E0F";
    success = CkCrypt2_SetMacKeyEncoded(crypt,keyHex,"hex");

    inputStr = "This is a test.";

    //  ------------------------------------------------------------------------
    //  The MacString method is deprecated:

    outData = CkByteData_Create();

    success = CkCrypt2_MacString(crypt,inputStr,outData);

    //  ------------------------------------------------------------------------
    //  Workaround.
    //  (Chilkat is moving away from using CkByteData)

    CkCrypt2_putEncodingMode(crypt,"base64");
    mac_base64 = CkCrypt2_macStringENC(crypt,inputStr);

    printf("%s\n",mac_base64);


    CkCrypt2_Dispose(crypt);
    CkByteData_Dispose(outData);

    }