Lua Requires Chilkat v11.0.0+

RSA Import Public Key from Certificate PEM

See more RSA Examples

Uses a certificate's public key for RSA encryption. The public key from the certificate .pem file is used. Lua

local chilkat = require("chilkat")

local cert = chilkat.Cert.new()

local success = cert:load_from_file("qa_data/pem/mf_public_rsa.pem")
if not success then
    print(cert.last_error_text)
    return
end

local pubKey = chilkat.PublicKey.new()
cert:get_public_key(pubKey)

local rsa = chilkat.Rsa.new()
rsa:use_public_key(pubKey)

rsa.encoding_mode = "base64"
local encryptedStr = rsa:encrypt_string_enc("hello", false)
print("encrypted string = " .. encryptedStr)