(MFC) HMAC MD5 to Match RFC 2022 Test Vectors

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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkCrypt2.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkCrypt2 crypt;

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

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

    const char *mac = 0;

    // Set the HMAC key:
    crypt.SetHmacKeyEncoded("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b","hex");
    mac = crypt.hmacStringENC("Hi There");
    strOut.append(mac);
    strOut.append("\r\n");

    crypt.SetHmacKeyEncoded("Jefe","ansi");
    mac = crypt.hmacStringENC("what do ya want for nothing?");
    strOut.append(mac);
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }