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/*
Implement the functionality of a simple CA: read in a CA certificate,
the associated private key, and a PKCS #10 certificate request. Sign the
request and print out the new certificate.
File names are hardcoded for simplicity.
cacert.pem: The CA's certificate (perhaps created by self_sig)
caprivate.pem: The CA's private key
req.pem: The user's PKCS #10 certificate request
Written by Jack Lloyd, May 19, 2003
This file is in the public domain.
*/
#include <botan/botan.h>
#include <botan/rng.h>
#include <botan/x509_ca.h>
#include <botan/util.h>
using namespace Botan;
#include <iostream>
#include <memory>
int main(int argc, char* argv[])
{
if(argc != 5)
{
std::cout << "Usage: " << argv[0] << " <passphrase> "
<< "<ca cert> <ca key> <pkcs10>" << std::endl;
return 1;
}
try
{
const std::string arg_passphrase = argv[1];
const std::string arg_ca_cert = argv[2];
const std::string arg_ca_key = argv[3];
const std::string arg_req_file = argv[4];
std::auto_ptr<RandomNumberGenerator> rng(
RandomNumberGenerator::make_rng());
X509_Certificate ca_cert(arg_ca_cert);
std::auto_ptr<PKCS8_PrivateKey> privkey(
PKCS8::load_key(arg_ca_key, *rng, arg_passphrase)
);
X509_CA ca(ca_cert, *privkey);
// got a request
PKCS10_Request req(arg_req_file);
// you would insert checks here, and perhaps modify the request
// (this example should be extended to show how)
// now sign the request
X509_Time start_time(system_time());
X509_Time end_time(system_time() + 365 * 60 * 60 * 24);
X509_Certificate new_cert = ca.sign_request(req, *rng,
start_time, end_time);
// send the new cert back to the requestor
std::cout << new_cert.PEM_encode();
}
catch(std::exception& e)
{
std::cout << e.what() << std::endl;
return 1;
}
return 0;
}
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