(Unicode C++) SSH Authentication using an SSH Certificate

See more SSH Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://www.chilkatsoft.com/understanding_ssh_certificates.asp

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#include <CkStringBuilderW.h>
#include <CkSshKeyW.h>
#include <CkSshW.h>

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

    CkStringBuilderW sbSshCert;
    bool success = sbSshCert.LoadFile(L"qa_data/sshCert/user_ecdsa_key-cert.pub",L"utf-8");
    if (success == false) {
        wprintf(L"Failed to load user_ecdsa_key-cert.pub\n");
        return;
    }

    CkStringBuilderW sbPrivKey;
    success = sbPrivKey.LoadFile(L"qa_data/sshKeys/user_ecdsa_key",L"utf-8");
    if (success == false) {
        wprintf(L"Failed to load user_ecdsa_key\n");
        return;
    }

    CkSshKeyW key;
    // Provide the password if the user_ecdsa_key is stored in an encrypted format.
    key.put_Password(L"secret");
    success = key.FromOpenSshPrivateKey(sbPrivKey.getAsString());
    if (success == false) {
        wprintf(L"%s\n",key.lastErrorText());
        return;
    }

    // Indicate that the SSH certificate is to be used for authentication.
    // The UseSshCertificate method was added in Chilkat v11.0.0
    key.UseSshCertificate(sbSshCert.getAsString());

    CkSshW ssh;

    const wchar_t *hostname = L"ssh.example.com";
    int port = 22;
    success = ssh.Connect(hostname,port);
    if (success != true) {
        wprintf(L"%s\n",ssh.lastErrorText());
        return;
    }

    success = ssh.AuthenticatePk(L"myLogin",key);
    if (success != true) {
        wprintf(L"%s\n",ssh.lastErrorText());
        return;
    }

    wprintf(L"Public-Key Authentication using an SSH Certificate was Successful!\n");
    }