(C) PKCS7 Decrypt MIME

Loads a PKCS7 encrypted MIME file and decrypts. The cert and private key used for decryption is loaded from a PFX file.

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#include <C_CkMime.h>

void ChilkatSample(void)
    {
    HCkMime mime;
    BOOL success;
    const char *pfxPassword;

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

    mime = CkMime_Create();

    // Load the MIME
    success = CkMime_LoadMimeFile(mime,"encryptedMime.txt");
    if (success == FALSE) {
        printf("%s\n",CkMime_lastErrorText(mime));
        CkMime_Dispose(mime);
        return;
    }

    // The AddPfxSourceFile and/or AddPfxSourceData
    // methods may be called one or more times (one per PFX)
    // to add sources from which the MIME component will
    // search for certificates and private keys when decrypting.
    pfxPassword = "myPassword";
    success = CkMime_AddPfxSourceFile(mime,"myCertAndPrivateKey.pfx",pfxPassword);
    if (success == FALSE) {
        printf("%s\n",CkMime_lastErrorText(mime));
        CkMime_Dispose(mime);
        return;
    }

    // Decrypt...
    success = CkMime_Decrypt(mime);
    if (success == FALSE) {
        printf("%s\n",CkMime_lastErrorText(mime));
        CkMime_Dispose(mime);
        return;
    }

    // Display the decrypted MIME:
    printf("%s\n",CkMime_getMime(mime));


    CkMime_Dispose(mime);

    }