(Unicode C++) Load an SSH Key from a File (Many Formats Supported)

Demonstrates how to load an SSH public or private key object from a file. The file can be in any of the following formats:

• OpenSSH private key
• OpenSSH public key
• PuTTY private key
• RFC 4716 public key

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#include <CkSshKeyW.h>

void ChilkatSample(void)
    {
    CkSshKeyW sshkey;

    // First, use the LoadText convenience method to load a text file (of any SSH key format)
    // into a string:
    const wchar_t *strKey = sshkey.loadText(L"../mySshKeys/myKey.txt");

    // Next, load the key into the SSH key object.

    // If the key is an OpenSSH private key:
    // (In actuality, the From* methods will automatically detect the format and load
    // the key correctly.  For example, if a PuTTY private key is passed to FromOpenSshPrivateKey,
    // it  will still load correctly.)
    bool success = sshkey.FromOpenSshPrivateKey(strKey);
    if (success != true) {
        wprintf(L"%s\n",sshkey.lastErrorText());
    }
    else {
        wprintf(L"Loaded OpenSSH private key.\n");
        return;
    }

    // If the key is an OpenSSH public key:
    success = sshkey.FromOpenSshPublicKey(strKey);
    if (success != true) {
        wprintf(L"%s\n",sshkey.lastErrorText());
    }
    else {
        wprintf(L"Loaded OpenSSH public key.\n");
        return;
    }

    // If the key is a PuTTY private key:
    success = sshkey.FromPuttyPrivateKey(strKey);
    if (success != true) {
        wprintf(L"%s\n",sshkey.lastErrorText());
    }
    else {
        wprintf(L"Loaded PuTTY private key.\n");
        return;
    }

    // If the key is an RFC 4716 public key:
    success = sshkey.FromRfc4716PublicKey(strKey);
    if (success != true) {
        wprintf(L"%s\n",sshkey.lastErrorText());
    }
    else {
        wprintf(L"Loaded RFC 4716 public key.\n");
    }
    }