Unicode C

Generate an RSA Key and Save to Encrypted PEM

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Demonstrates how to generate an RSA key and save to an encrypted PEM file. Unicode C

#include <C_CkRsaW.h>
#include <C_CkPrivateKeyW.h>
#include <C_CkPublicKeyW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRsaW rsa;
    HCkPrivateKeyW privKey;
    const wchar_t *password;
    const wchar_t *path;
    HCkPublicKeyW pubKey;
    BOOL preferPkcs1;

    success = FALSE;

    rsa = CkRsaW_Create();

    //  Generate a 2048-bit key.
    privKey = CkPrivateKeyW_Create();
    success = CkRsaW_GenKey(rsa,2048,privKey);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRsaW_lastErrorText(rsa));
        CkRsaW_Dispose(rsa);
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    password = L"secret";
    //  Saving to a relative path (from the current working directory of the process).
    path = L"rsaKeys/myTestRsaPrivate.pem";
    //  Encrypt the PEM using 256-bit AES encryption.
    CkPrivateKeyW_putPkcs8EncryptAlg(privKey,L"aes256");
    success = CkPrivateKeyW_SavePkcs8EncryptedPemFile(privKey,password,path);
    if (success == FALSE) {
        wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey));
        CkRsaW_Dispose(rsa);
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    //  

    //  We can also save the public key.
    //  There is no need to encrypt public keys.
    pubKey = CkPublicKeyW_Create();
    CkPrivateKeyW_ToPublicKey(privKey,pubKey);

    path = L"rsaKeys/myTestRsaPublic.pem";
    //  Choose PKCS1 or PKCS8
    //  We'll choose PKCS8.
    preferPkcs1 = FALSE;
    success = CkPublicKeyW_SavePemFile(pubKey,preferPkcs1,path);
    if (success == FALSE) {
        wprintf(L"%s\n",CkPublicKeyW_lastErrorText(pubKey));
        CkRsaW_Dispose(rsa);
        CkPrivateKeyW_Dispose(privKey);
        CkPublicKeyW_Dispose(pubKey);
        return;
    }

    //  

    wprintf(L"Success.\n");


    CkRsaW_Dispose(rsa);
    CkPrivateKeyW_Dispose(privKey);
    CkPublicKeyW_Dispose(pubKey);

    }