Unicode C

Generate ed25519 Key and Save to PuTTY Format

See more SSH Key Examples

Generates an ED25519 key and saves to PuTTY format.

Note: This example requires Chilkat v9.5.0.83 or greater.

Unicode C

#include <C_CkSshKeyW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSshKeyW key;
    BOOL exportEncrypted;
    const wchar_t *exportedKey;

    success = FALSE;

    // Note: Requires Chilkat v9.5.0.83 or greater.

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

    key = CkSshKeyW_Create();

    success = CkSshKeyW_GenerateEd25519Key(key);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSshKeyW_lastErrorText(key));
        CkSshKeyW_Dispose(key);
        return;
    }

    // We can optionally set a comment to be included in the exported key.
    CkSshKeyW_putComment(key,L"This is my new ed25519 key.");

    // Export the ed25519 private key to unencrypted PuTTY format:
    exportEncrypted = FALSE;
    exportedKey = CkSshKeyW_toPuttyPrivateKey(key,exportEncrypted);
    success = CkSshKeyW_SaveText(key,exportedKey,L"qa_output/privkey_putty_unencrypted.ppk");

    // The unencrypted PuTTY key looks like this:

    // 	PuTTY-User-Key-File-2: ssh-ed25519
    // 	Encryption: none
    // 	Comment: This is my new ed25519 key.
    // 	Public-Lines: 2
    // 	AAAAC3NzaC1lZDI1NTE5AAAAIJn6m7yKzkAAHXzzjE1zv4RqtdE8r5eTegcpbNDF
    // 	OPYs
    // 	Private-Lines: 1
    // 	AAAAIFgwbZ38AR9Oiw930wsCcCGymQRBa2Y7qBq6R3HCe9VL
    // 	Private-MAC: 892573676dd13ef70b6ab7ef219decdfbd5b1857

    // Export the ed25519 private key to encrypted PuTTY format:
    CkSshKeyW_putPassword(key,L"secret");
    exportEncrypted = TRUE;
    exportedKey = CkSshKeyW_toPuttyPrivateKey(key,exportEncrypted);
    success = CkSshKeyW_SaveText(key,exportedKey,L"qa_output/privkey_putty_encrypted.ppk");

    // The encrypted PuTTY key looks like this:

    // 	PuTTY-User-Key-File-2: ssh-ed25519
    // 	Encryption: aes256-cbc
    // 	Comment: This is my new ed25519 key.
    // 	Public-Lines: 2
    // 	AAAAC3NzaC1lZDI1NTE5AAAAIJn6m7yKzkAAHXzzjE1zv4RqtdE8r5eTegcpbNDF
    // 	OPYs
    // 	Private-Lines: 1
    // 	aIa9mY22htPElPgWhtXesp97662JECxaSsnNqvhD06P+o18immv8ohn73vI/bhQB
    // 	Private-MAC: 312221dc90660859fe68df300767f8f779046815

    wprintf(L"Success!\n");


    CkSshKeyW_Dispose(key);

    }