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/*
* X.509 Certificate Authority
* (C) 1999-2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_X509_CA_H__
#define BOTAN_X509_CA_H__
#include <botan/x509cert.h>
#include <botan/x509_crl.h>
#include <botan/x509_ext.h>
#include <botan/pkcs10.h>
#if defined(BOTAN_HAS_SYSTEM_RNG)
#include <botan/system_rng.h>
#endif
namespace Botan {
class PK_Signer;
/**
* This class represents X.509 Certificate Authorities (CAs).
*/
class BOTAN_DLL X509_CA
{
public:
/**
* Sign a PKCS#10 Request.
* @param req the request to sign
* @param rng the rng to use
* @param not_before the starting time for the certificate
* @param not_after the expiration time for the certificate
* @return resulting certificate
*/
X509_Certificate sign_request(const PKCS10_Request& req,
RandomNumberGenerator& rng,
const X509_Time& not_before,
const X509_Time& not_after);
/**
* Get the certificate of this CA.
* @return CA certificate
*/
X509_Certificate ca_certificate() const;
/**
* Create a new and empty CRL for this CA.
* @param rng the random number generator to use
* @param next_update the time to set in next update in seconds
* as the offset from the current time
* @return new CRL
*/
X509_CRL new_crl(RandomNumberGenerator& rng,
u32bit next_update = 0) const;
/**
* Create a new CRL by with additional entries.
* @param last_crl the last CRL of this CA to add the new entries to
* @param new_entries contains the new CRL entries to be added to the CRL
* @param rng the random number generator to use
* @param next_update the time to set in next update in seconds
* as the offset from the current time
*/
X509_CRL update_crl(const X509_CRL& last_crl,
const std::vector<CRL_Entry>& new_entries,
RandomNumberGenerator& rng,
u32bit next_update = 0) const;
/**
* Interface for creating new certificates
* @param signer a signing object
* @param rng a random number generator
* @param sig_algo the signature algorithm identifier
* @param pub_key the serialized public key
* @param not_before the start time of the certificate
* @param not_after the end time of the certificate
* @param issuer_dn the DN of the issuer
* @param subject_dn the DN of the subject
* @param extensions an optional list of certificate extensions
* @returns newly minted certificate
*/
static X509_Certificate make_cert(PK_Signer* signer,
RandomNumberGenerator& rng,
const AlgorithmIdentifier& sig_algo,
const std::vector<byte>& pub_key,
const X509_Time& not_before,
const X509_Time& not_after,
const X509_DN& issuer_dn,
const X509_DN& subject_dn,
const Extensions& extensions);
/**
* Create a new CA object.
* @param ca_certificate the certificate of the CA
* @param key the private key of the CA
* @param hash_fn name of a hash function to use for signing
* @param rng the random generator to use
*/
X509_CA(const X509_Certificate& ca_certificate,
const Private_Key& key,
const std::string& hash_fn,
RandomNumberGenerator& rng);
#if defined(BOTAN_HAS_SYSTEM_RNG)
BOTAN_DEPRECATED("Use version taking RNG object")
X509_CA(const X509_Certificate& ca_certificate,
const Private_Key& key,
const std::string& hash_fn) :
X509_CA(ca_certificate, key, hash_fn, system_rng())
{}
#endif
X509_CA(const X509_CA&) = delete;
X509_CA& operator=(const X509_CA&) = delete;
~X509_CA();
private:
X509_CRL make_crl(const std::vector<CRL_Entry>& entries,
u32bit crl_number, u32bit next_update,
RandomNumberGenerator& rng) const;
AlgorithmIdentifier m_ca_sig_algo;
X509_Certificate m_cert;
PK_Signer* m_signer;
};
/**
* Choose the default signature format for a certain public key signature
* scheme.
* @param key will be the key to choose a padding scheme for
* @param rng the random generator to use
* @param hash_fn is the desired hash function
* @param alg_id will be set to the chosen scheme
* @return A PK_Signer object for generating signatures
*/
BOTAN_DLL PK_Signer* choose_sig_format(const Private_Key& key,
RandomNumberGenerator& rng,
const std::string& hash_fn,
AlgorithmIdentifier& alg_id);
}
#endif
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