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C

PKCS11 Sessions

See more PKCS11 Examples

Sample code showing how to open a PKCS11 session and then later close it.

Note: This example requires Chilkat v9.5.0.88 or later.

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C
#include <C_CkPkcs11.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkPkcs11 pkcs11;
    int slotID;
    BOOL readWrite;

    success = FALSE;

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

    //  Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

    pkcs11 = CkPkcs11_Create();

    //  Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
    //  or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
    CkPkcs11_putSharedLibPath(pkcs11,"ShuttleCsp11_3003.dll");

    //  Starting in Chilkat v9.5.0.96, there is a shorter way to establish
    //  a PKCS11 session with login.
    //  The QuickSession method was added in v9.5.0.96 and is the equivalent of 
    //  calling Initialize, OpenSession, and Login.  

    success = CkPkcs11_Initialize(pkcs11);
    if (success == FALSE) {
        printf("%s\n",CkPkcs11_lastErrorText(pkcs11));
        CkPkcs11_Dispose(pkcs11);
        return;
    }

    //  Pass -1 for the slotID to open a session on the first non-empty slot.
    slotID = -1;

    //  Open a read/write session.
    readWrite = TRUE;
    success = CkPkcs11_OpenSession(pkcs11,slotID,readWrite);
    if (success == FALSE) {
        printf("%s\n",CkPkcs11_lastErrorText(pkcs11));
        CkPkcs11_Dispose(pkcs11);
        return;
    }

    //  Do whatever is needed...
    //  ...
    //  ...

    //  When finished, close the session.
    //  It is important to close the session (memory leaks will occur if the session is not properly closed).

    success = CkPkcs11_CloseSession(pkcs11);
    if (success == FALSE) {
        printf("%s\n",CkPkcs11_lastErrorText(pkcs11));
        CkPkcs11_Dispose(pkcs11);
        return;
    }

    printf("PKCS11 session successfully opened and closed.\n");


    CkPkcs11_Dispose(pkcs11);

    }