Unicode C

SSH HSM Public Key Authentication

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Demonstrates how to authenticate with an SSH server using public key authentication using an HSM (USB token or smartcard). Unicode C

#include <C_CkPkcs11W.h>
#include <C_CkJsonObjectW.h>
#include <C_CkSshKeyW.h>
#include <C_CkSshW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkPkcs11W pkcs11;
    const wchar_t *pin;
    int userType;
    HCkJsonObjectW json;
    unsigned long priv_handle;
    unsigned long pub_handle;
    HCkSshKeyW key;
    const wchar_t *keyType;
    HCkSshW ssh;

    success = FALSE;

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

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

    pkcs11 = CkPkcs11W_Create();

    // This would be a path to a .dylib on MacOS, or a path to a .so shared lib on Linux.
    CkPkcs11W_putSharedLibPath(pkcs11,L"C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll");
    pin = L"0000";
    userType = 1;

    // Establish a PKCS11 logged-on session using the driver (.so, .dylib, or .dll) as specified in the SharedLibPath above.
    success = CkPkcs11W_QuickSession(pkcs11,userType,pin);
    if (success == FALSE) {
        wprintf(L"%s\n",CkPkcs11W_lastErrorText(pkcs11));
        CkPkcs11W_Dispose(pkcs11);
        return;
    }

    // Set PKCS11 attributes to find our desired private key object.
    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"class",L"private_key");
    CkJsonObjectW_UpdateString(json,L"label",L"MySshKey");

    // Get the PKCS11 handle to the private key located on the HSM.
    priv_handle = CkPkcs11W_FindObject(pkcs11,json);

    // Get the PKCS11 handle to the corresponding public key located on the HSM.
    CkJsonObjectW_UpdateString(json,L"class",L"public_key");

    pub_handle = CkPkcs11W_FindObject(pkcs11,json);

    key = CkSshKeyW_Create();
    // The key type can be "rsa" or "ec"
    keyType = L"rsa";
    success = CkSshKeyW_UsePkcs11(key,pkcs11,priv_handle,pub_handle,keyType);
    if (success == FALSE) {
        wprintf(L"%s\n",CkSshKeyW_lastErrorText(key));
        CkPkcs11W_Dispose(pkcs11);
        CkJsonObjectW_Dispose(json);
        CkSshKeyW_Dispose(key);
        return;
    }

    ssh = CkSshW_Create();

    success = CkSshW_Connect(ssh,L"example.com",22);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSshW_lastErrorText(ssh));
        CkPkcs11W_Dispose(pkcs11);
        CkJsonObjectW_Dispose(json);
        CkSshKeyW_Dispose(key);
        CkSshW_Dispose(ssh);
        return;
    }

    // Authenticate with the SSH server using the login and
    // HSM private key.  (The corresponding public key should've 
    // been installed on the SSH server beforehand.)
    success = CkSshW_AuthenticatePk(ssh,L"myLogin",key);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSshW_lastErrorText(ssh));
        CkPkcs11W_Dispose(pkcs11);
        CkJsonObjectW_Dispose(json);
        CkSshKeyW_Dispose(key);
        CkSshW_Dispose(ssh);
        return;
    }

    wprintf(L"Public-Key Authentication Successful!\n");


    CkPkcs11W_Dispose(pkcs11);
    CkJsonObjectW_Dispose(json);
    CkSshKeyW_Dispose(key);
    CkSshW_Dispose(ssh);

    }