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/*
Read an X.509 certificate, and print various things about it
Written by Jack Lloyd, March 23 2003
- October 31, 2003: Prints the public key
- November 1, 2003: Removed the -d flag; it can tell automatically now
This file is in the public domain
*/
#include <botan/botan.h>
#include <botan/x509cert.h>
#include <botan/oids.h>
using namespace Botan;
#include <iostream>
#include <iterator>
#include <algorithm>
std::string to_hex(const SecureVector<byte>& bin)
{
Pipe pipe(new Hex_Encoder);
pipe.process_msg(bin);
if(pipe.remaining())
return pipe.read_all_as_string();
else
return "(none)";
}
void do_print(const std::string& what,
const std::vector<std::string>& vals)
{
if(vals.size() == 0)
return;
std::cout << " " << what << ": ";
std::copy(vals.begin(), vals.end(),
std::ostream_iterator<std::string>(std::cout, " "));
std::cout << "\n";
}
void do_subject(const X509_Certificate& cert, const std::string& what)
{
do_print(what, cert.subject_info(what));
}
void do_issuer(const X509_Certificate& cert, const std::string& what)
{
do_print(what, cert.issuer_info(what));
}
int main(int argc, char* argv[])
{
if(argc != 2)
{
std::cout << "Usage: " << argv[0] << " <x509cert>\n";
return 1;
}
Botan::LibraryInitializer init;
try {
X509_Certificate cert(argv[1]);
std::cout << "Version: " << cert.x509_version() << std::endl;
std::cout << "Subject" << std::endl;
do_subject(cert, "Name");
do_subject(cert, "Email");
do_subject(cert, "Organization");
do_subject(cert, "Organizational Unit");
do_subject(cert, "Locality");
do_subject(cert, "State");
do_subject(cert, "Country");
do_subject(cert, "IP");
do_subject(cert, "DNS");
do_subject(cert, "URI");
do_subject(cert, "PKIX.XMPPAddr");
std::cout << "Issuer" << std::endl;
do_issuer(cert, "Name");
do_issuer(cert, "Email");
do_issuer(cert, "Organization");
do_issuer(cert, "Organizational Unit");
do_issuer(cert, "Locality");
do_issuer(cert, "State");
do_issuer(cert, "Country");
do_issuer(cert, "IP");
do_issuer(cert, "DNS");
do_issuer(cert, "URI");
std::cout << "Validity" << std::endl;
std::cout << " Not before: " << cert.start_time() << std::endl;
std::cout << " Not after: " << cert.end_time() << std::endl;
std::cout << "Constraints" << std::endl;
Key_Constraints constraints = cert.constraints();
if(constraints == NO_CONSTRAINTS)
std::cout << "No constraints" << std::endl;
else
{
if(constraints & DIGITAL_SIGNATURE)
std::cout << " Digital Signature\n";
if(constraints & NON_REPUDIATION)
std::cout << " Non-Repuidation\n";
if(constraints & KEY_ENCIPHERMENT)
std::cout << " Key Encipherment\n";
if(constraints & DATA_ENCIPHERMENT)
std::cout << " Data Encipherment\n";
if(constraints & KEY_AGREEMENT)
std::cout << " Key Agreement\n";
if(constraints & KEY_CERT_SIGN)
std::cout << " Cert Sign\n";
if(constraints & CRL_SIGN)
std::cout << " CRL Sign\n";
}
std::vector<std::string> policies = cert.policies();
if(policies.size())
{
std::cout << "Policies: " << std::endl;
for(u32bit j = 0; j != policies.size(); j++)
std::cout << " " << policies[j] << std::endl;
}
std::vector<std::string> ex_constraints = cert.ex_constraints();
if(ex_constraints.size())
{
std::cout << "Extended Constraints: " << std::endl;
for(u32bit j = 0; j != ex_constraints.size(); j++)
std::cout << " " << ex_constraints[j] << std::endl;
}
std::cout << "Signature algorithm: " <<
OIDS::lookup(cert.signature_algorithm().oid) << std::endl;
std::cout << "Serial: "
<< to_hex(cert.serial_number()) << std::endl;
std::cout << "Authority keyid: "
<< to_hex(cert.authority_key_id()) << std::endl;
std::cout << "Subject keyid: "
<< to_hex(cert.subject_key_id()) << std::endl;
X509_PublicKey* pubkey = cert.subject_public_key();
std::cout << "Public Key:\n" << X509::PEM_encode(*pubkey);
delete pubkey;
}
catch(std::exception& e)
{
std::cout << e.what() << std::endl;
return 1;
}
return 0;
}
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