Lua

Provide a Certificate Vault to an Email

Demonstrates the Chilkat Email.UseCertVault method, which adds an XML certificate vault to the email's internal certificate and private-key lookup sources for encryption, decryption, signing, and verification. This example builds a vault from a PFX and attaches it to the email.

Background: A certificate vault is a portable, in-memory store of certificates and private keys. Instead of wiring up each certificate individually for every operation, you load your credentials into one XmlCertVault and hand it to the email; Chilkat then draws on it automatically whenever it needs a key — to decrypt an incoming message, sign an outgoing one, or verify a signature. This is especially convenient on platforms without an OS certificate store.

Chilkat Lua Downloads

Download Chilkat for Lua

Lua

local chilkat = require("chilkat")

-- Demonstrates the UseCertVault method, which adds an XML certificate vault to the email's
-- internal certificate and private-key lookup sources for encryption, decryption, signing,
-- and verification.

local email = chilkat.Email.new()

-- Build a certificate vault from a PFX (certificate + private key).
local vault = chilkat.XmlCertVault.new()
local success = vault:add_pfx_file("qa_data/certs/certs.pfx", "pfx_password")
if not success then
    print(vault.last_error_text)
    return
end

-- Make the vault available to the email object for crypto operations.
success = email:use_cert_vault(vault)
if not success then
    print(email.last_error_text)
    return
end

print("Certificate vault attached to the email.")

-- Note: The path "qa_data/certs/certs.pfx" is a relative local filesystem path,
-- relative to the current working directory of the running application.