Unicode C

Load Java KeyStore and Access Contents

See more Java KeyStore (JKS) Examples

Loads a Java keystore file and iterates over the contents. A Java keystore (.jks) file can contain one or more trusted root certificate entries and/or one or more private key entries. Each private key entry includes an associated certificate chain. Unicode C

#include <C_CkJavaKeyStoreW.h>
#include <C_CkCertW.h>
#include <C_CkPrivateKeyW.h>
#include <C_CkCertChainW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJavaKeyStoreW jks;
    int numTrustedCerts;
    int numPrivateKeys;
    HCkCertW cert;
    const wchar_t *alias;
    int i;
    HCkPrivateKeyW privKey;
    HCkCertChainW certChain;

    success = FALSE;

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

    jks = CkJavaKeyStoreW_Create();

    // Load the Java keystore from a file.  The JKS file password is used
    // to verify the keyed digest that is found at the very end of the keystore.
    // It verifies there has been no tampering with the file.
    success = CkJavaKeyStoreW_LoadFile(jks,L"jksFilePassword",L"/someDir/keyStore.jks");
    if (success == FALSE) {
        wprintf(L"%s\n",CkJavaKeyStoreW_lastErrorText(jks));
        CkJavaKeyStoreW_Dispose(jks);
        return;
    }

    // Find out how many of each type of entry:
    numTrustedCerts = CkJavaKeyStoreW_getNumTrustedCerts(jks);
    numPrivateKeys = CkJavaKeyStoreW_getNumPrivateKeys(jks);

    cert = CkCertW_Create();

    // For each trusted certificate, access it by getting
    // it as a cert object.  Also get the alias associated with the certificate.
    wprintf(L"Trusted Certs:\n");
    i = 0;
    while (i < numTrustedCerts) {
        success = CkJavaKeyStoreW_TrustedCertAt(jks,i,cert);
        wprintf(L"%s: %s\n",CkJavaKeyStoreW_getTrustedCertAlias(jks,i),CkCertW_subjectDN(cert));
        i = i + 1;
    }

    privKey = CkPrivateKeyW_Create();
    certChain = CkCertChainW_Create();

    // For each private key entry, get the private key and
    // the associated certificate chain.
    // Each private key is password protected.  Usually it is the same
    // password as used for the keyed digest of the entire JKS.  
    // However, this does not have to be.  The password is passed
    // here to handle the possibility of each private key requiring
    // a different password.
    wprintf(L"Private Keys:\n");
    i = 0;
    while (i < numPrivateKeys) {
        CkJavaKeyStoreW_PrivateKeyAt(jks,L"jksFilePassword",i,privKey);
        wprintf(L"%s\n",CkJavaKeyStoreW_getPrivateKeyAlias(jks,i));
        CkJavaKeyStoreW_CertChainAt(jks,i,certChain);

        // The 1st certificate in the chain is the one associated with the private key.
        CkCertChainW_CertAt(certChain,0,cert);
        wprintf(L"%s\n",CkCertW_subjectDN(cert));

        i = i + 1;
    }



    CkJavaKeyStoreW_Dispose(jks);
    CkCertW_Dispose(cert);
    CkPrivateKeyW_Dispose(privKey);
    CkCertChainW_Dispose(certChain);

    }