Lua

Load a Private Key from a PKCS #1 File

Demonstrates the Chilkat PrivateKey.LoadPkcs1File method, which loads a private key from a file. The only argument is the file path. Despite the historical PKCS #1 name, it accepts any supported unencrypted private-key representation.

Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own key file.

Background: PKCS #1 is the older, RSA-specific key format — the BEGIN RSA PRIVATE KEY block still common from OpenSSL. This method reads it, and like the other content-inspecting loaders it also accepts other unencrypted representations, so it is forgiving of what is actually in the file. For unknown or mixed formats, prefer LoadAnyFormatFile.

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Lua

local chilkat = require("chilkat")

-- Demonstrates the PrivateKey.LoadPkcs1File method, which loads a private key from a file.  The
-- only argument is the file path.  Despite the historical PKCS #1 name, it accepts any supported
-- unencrypted private-key representation.

local privKey = chilkat.PrivateKey.new()

local success = privKey:load_pkcs1_file("qa_data/private_pkcs1.pem")
if not success then
    print(privKey.last_error_text)
    return
end

print("Loaded a " .. privKey.key_type .. " private key.")