(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_CkCert.h>
#include <C_CkPrivateKey.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkCert cert;
    BOOL success;
    HCkPrivateKey privKey;
    HCkJsonObject json;
    HCkJsonObject 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 = CkCert_Create();
    success = CkCert_LoadPfxFile(cert,"qa_data/pfx/myCertAndKey.pfx","pfx_password");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

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

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"service","aws-kms");
    CkJsonObject_UpdateString(json,"auth.access_key","AWS_ACCESS_KEY");
    CkJsonObject_UpdateString(json,"auth.secret_key","AWS_SECRET_KEY");
    CkJsonObject_UpdateString(json,"auth.region","us-west-2");
    CkJsonObject_UpdateString(json,"description","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.
    CkJsonObject_UpdateString(json,"tags[0].key","CertSerial");
    CkJsonObject_UpdateString(json,"tags[0].value",CkCert_serialNumber(cert));
    CkJsonObject_UpdateString(json,"tags[1].key","CertIssuer");
    CkJsonObject_UpdateString(json,"tags[1].value",CkCert_issuerCN(cert));
    CkJsonObject_UpdateString(json,"tags[2].key","CertSubject");
    CkJsonObject_UpdateString(json,"tags[2].value",CkCert_subjectCN(cert));

    CkJsonObject_UpdateString(json,"keyUsage","SIGN_VERIFY");

    // The UploadToCloud method was added in Chilkat v9.5.0.96
    jsonOut = CkJsonObject_Create();
    success = CkPrivateKey_UploadToCloud(privKey,json,jsonOut);
    if (success == FALSE) {
        printf("%s\n",CkPrivateKey_lastErrorText(privKey));
        CkPrivateKey_Dispose(privKey);
        CkCert_Dispose(cert);
        CkJsonObject_Dispose(json);
        CkJsonObject_Dispose(jsonOut);
        return;
    }

    CkPrivateKey_Dispose(privKey);

    // When successful, the jsonOut contains information about the private key in AWS KMS.
    // Most importantly, the KeyId.
    CkJsonObject_putEmitCompact(jsonOut,FALSE);
    printf("%s\n",CkJsonObject_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"
    // }


    CkCert_Dispose(cert);
    CkJsonObject_Dispose(json);
    CkJsonObject_Dispose(jsonOut);

    }