(Unicode C) AWS KMS Import PFX Key

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Imports a certificate's private key from a .pfx file to new key created in AWS KMS.

Note: This example requires Chilkat v9.5.0.96 or later.

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#include <C_CkCertW.h>
#include <C_CkPrivateKeyW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkCertW cert;
    BOOL success;
    HCkPrivateKeyW privKey;
    HCkJsonObjectW json;
    HCkJsonObjectW jsonOut;

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

    // Note: This example is using a relative file path.  You can also specify a full file path, such as "C:/someDir/myCertAndKey.pfx"
    // or a file path the makes sense on non-Windows operating systems..
    cert = CkCertW_Create();
    success = CkCertW_LoadPfxFile(cert,L"qa_data/pfx/myCertAndKey.pfx",L"pfx_password");
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkCertW_Dispose(cert);
        return;
    }

    // Get the cert's private key.  This is what will be uploaded to AWS KMS.
    privKey = CkCertW_ExportPrivateKey(cert);
    if (CkCertW_getLastMethodSuccess(cert) == FALSE) {
        wprintf(L"The certificate does not have a private key.\n");
        CkCertW_Dispose(cert);
        return;
    }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"service",L"aws-kms");
    CkJsonObjectW_UpdateString(json,L"auth.access_key",L"AWS_ACCESS_KEY");
    CkJsonObjectW_UpdateString(json,L"auth.secret_key",L"AWS_SECRET_KEY");
    CkJsonObjectW_UpdateString(json,L"auth.region",L"us-west-2");
    CkJsonObjectW_UpdateString(json,L"description",L"Test of uploading existing private key to AWS KMS");

    // Let's add some information about the certificate this key belongs to.
    // This is for informational purposes only, so that we can examine the tags
    // in the AWS KMS console and know the corresponding certificate.
    CkJsonObjectW_UpdateString(json,L"tags[0].key",L"CertSerial");
    CkJsonObjectW_UpdateString(json,L"tags[0].value",CkCertW_serialNumber(cert));
    CkJsonObjectW_UpdateString(json,L"tags[1].key",L"CertIssuer");
    CkJsonObjectW_UpdateString(json,L"tags[1].value",CkCertW_issuerCN(cert));
    CkJsonObjectW_UpdateString(json,L"tags[2].key",L"CertSubject");
    CkJsonObjectW_UpdateString(json,L"tags[2].value",CkCertW_subjectCN(cert));

    CkJsonObjectW_UpdateString(json,L"keyUsage",L"SIGN_VERIFY");

    // The UploadToCloud method was added in Chilkat v9.5.0.96
    jsonOut = CkJsonObjectW_Create();
    success = CkPrivateKeyW_UploadToCloud(privKey,json,jsonOut);
    if (success == FALSE) {
        wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey));
        CkPrivateKeyW_Dispose(privKey);
        CkCertW_Dispose(cert);
        CkJsonObjectW_Dispose(json);
        CkJsonObjectW_Dispose(jsonOut);
        return;
    }

    CkPrivateKeyW_Dispose(privKey);

    // When successful, the jsonOut contains information about the private key in AWS KMS.
    // Most importantly, the KeyId.
    CkJsonObjectW_putEmitCompact(jsonOut,FALSE);
    wprintf(L"%s\n",CkJsonObjectW_emit(jsonOut));

    // Sample JSON result:

    // {
    //   "AWSAccountId": "954491834127",
    //   "Arn": "arn:aws:kms:us-west-2:954491834127:key/187012e8-008f-4fc7-b100-5efe6146dff2",
    //   "KeySpec": "RSA_4096",
    //   "Description": "Test of uploading existing private key to AWS KMS",
    //   "KeyId": "187012e8-008f-4fc7-b100-5efe6146dff2",
    //   "KeyUsage": "SIGN_VERIFY"
    // }


    CkCertW_Dispose(cert);
    CkJsonObjectW_Dispose(json);
    CkJsonObjectW_Dispose(jsonOut);

    }