(Unicode C) PKCS7 Decrypt Using .pfx or .p12 Data

See more MIME Examples

Demonstrates how to decrypt MIME using a specifc PFX file (.pfx or .p12) for the source of certificate(s) and private key(s).

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <C_CkMimeW.h>
#include <C_CkByteData.h>
#include <C_CkFileAccessW.h>

void ChilkatSample(void)
    {
    HCkMimeW mime;
    BOOL success;
    HCkByteData pfxData;
    HCkFileAccessW fac;
    const wchar_t *pfxPassword;

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

    mime = CkMimeW_Create();

    // Load the MIME
    success = CkMimeW_LoadMimeFile(mime,L"encrypted.mim");
    if (success == FALSE) {
        wprintf(L"%s\n",CkMimeW_lastErrorText(mime));
        CkMimeW_Dispose(mime);
        return;
    }

    pfxData = CkByteData_Create();
    fac = CkFileAccessW_Create();
    success = CkFileAccessW_ReadEntireFile(fac,L"pfxStore/myPkcs12.p12",pfxData);
    if (CkFileAccessW_getLastMethodSuccess(fac) != TRUE) {
        wprintf(L"%s\n",CkFileAccessW_lastErrorText(fac));
        CkMimeW_Dispose(mime);
        CkByteData_Dispose(pfxData);
        CkFileAccessW_Dispose(fac);
        return;
    }

    pfxPassword = L"myPassword";
    success = CkMimeW_DecryptUsingPfxData(mime,pfxData,pfxPassword);
    if (success == FALSE) {
        wprintf(L"%s\n",CkMimeW_lastErrorText(mime));
        CkMimeW_Dispose(mime);
        CkByteData_Dispose(pfxData);
        CkFileAccessW_Dispose(fac);
        return;
    }

    // Display the decrypted MIME:
    wprintf(L"%s\n",CkMimeW_getMime(mime));

    // Note: The MIME to be decrypted should look something like this
    // when viewed in a text editor:
    // (Note that the Content-Type is application/x-pkcs7-mime)

    // Content-Disposition: attachment; filename="smime.p7m"
    // Content-Transfer-Encoding: base64
    // Content-Type: application/x-pkcs7-mime;
    //  name="smime.p7m"
    // 
    // MIICRAYJKoZIhvcNAQcDoIICNTCCAjECAQAxggHIMIIBxAIBADCBqzCBlTELMAkGA1UEBhMCVVMx
    // CzAJBgNVBAgTAlVUMRcwFQYDVQQHEw5TYWx0IExha2UgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJU
    // UlVTVCBOZXR3b3JrMSEwHwYDVQQLExhodHRwOi8vd3d3LnVzZXJ0cnVzdC5jb20xHTAbBgNVBAMT
    // FFVUTi1VU0VSRmlyc3QtT2JqZWN0AhEA5vxolKNrYgp1Z7ABICdK+zANBgkqhkiG9w0BAQEFAASC
    // AQAJ68jTh3u3ovsOuz1aHXTV90GBB6DMfCdx0bZ85trSvDXBevMOtQdctz653de8EB2xU4RlaPQa
    // oBpF8G01PMaKezd+FGLbhm7gmKl7boej3BboUzM4wrwjc8qHTGc/haT1ZA3jUU3DR4emVXNmRgWc
    // FDU5Dnkf+Z2YXQop9wPCf1Ng+8LLjBX9yxgXP1ZyFDe9vUnSkk2fmZatEY2Y6eWHNbrj6q4F40qN
    // PAyZW1rJSFmKTSPSzv7S0VWBMh+FgUKtqk4I6/+zhneLYeJBZFskmMIGFpgKdgrN7vbbr1a2gv/M
    // PbHUxwKMD4KZ2auyuGKMVLBOm+n8v5f8EegloL/UMGAGCSqGSIb3DQEHATAZBggqhkiG9w0DAjAN
    // AgE6BAgcohHNLdl9FoA4q22x8vXs05wuScRgLhwMOzvdGQkBJx+6iQDBuoCVxF8sQ35g+0PPxN3M
    // 6Zw6nI1gSIIKBS3ZjtI=


    CkMimeW_Dispose(mime);
    CkByteData_Dispose(pfxData);
    CkFileAccessW_Dispose(fac);

    }