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(C) Convert PEM to JKS (Java KeyStore)

Converts a PEM containing private key(s) and certificates into a JKS (Java KeyStore) formatted file.

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#include <C_CkPem.h>
#include <C_CkJavaKeyStore.h>

void ChilkatSample(void)
    {
    HCkPem pem;
    const char *password;
    BOOL success;
    const char *pemContent;
    const char *alias;
    const char *jksPassword;
    HCkJavaKeyStore jks;

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

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    pem = CkPem_Create();

    // Load the PEM from a file.
    // If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
    password = "myPassword";
    success = CkPem_LoadPemFile(pem,"../myPemFiles/myPem.pem",password);
    if (success != TRUE) {
        printf("%s\n",CkPem_lastErrorText(pem));
        CkPem_Dispose(pem);
        return;
    }

    // Note: If the app already has the PEM pre-loaded in a string variable, then load it 
    // by calling LoadPem instead.  
    pemContent = "... the PEM contents ...";
    success = CkPem_LoadPem(pem,pemContent,password);
    // Check for success as before..

    // Convert to a JavaKeyStore object.
    // The alias, if a non-empty string, will be applied to the 1st private key or 
    // certificate.  All other keys and/or certificates will be assigned an auto-generated
    // alias.
    alias = "anything_I_want_here";

    // This is the passord that will be required to access the created JKS.
    jksPassword = "myJksSecret";
    jks = CkPem_ToJks(pem,alias,jksPassword);
    if (CkPem_getLastMethodSuccess(pem) == FALSE) {
        printf("%s\n",CkPem_lastErrorText(pem));
        CkPem_Dispose(pem);
        return;
    }

    // Save the JKS to a file.  The password passed here is used for the keyed hash of the
    // entire JKS file.  This may be different (if desired) than the password for individual private keys
    // contained within the JKS.  
    success = CkJavaKeyStore_ToFile(jks,jksPassword,"../myJksFiles/myJks.jks");
    if (success != TRUE) {
        printf("%s\n",CkJavaKeyStore_lastErrorText(jks));
        CkPem_Dispose(pem);
        return;
    }

    CkJavaKeyStore_Dispose(jks);


    CkPem_Dispose(pem);

    }

 

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