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/*************************************************
* CVC Certificate Constructor *
* (C) 2007 FlexSecure GmbH *
* 2008 Jack Lloyd *
*************************************************/
#include <botan/cvc_ado.h>
#include <fstream>
#include <assert.h>
namespace Botan {
EAC1_1_ADO::EAC1_1_ADO(std::tr1::shared_ptr<DataSource> in)
{
init(in);
do_decode();
}
EAC1_1_ADO::EAC1_1_ADO(const std::string& in)
{
std::tr1::shared_ptr<DataSource> stream(new DataSource_Stream(in, true));
init(stream);
do_decode();
}
void EAC1_1_ADO::force_decode()
{
SecureVector<byte> inner_cert;
BER_Decoder(tbs_bits)
.start_cons(ASN1_Tag(33))
.raw_bytes(inner_cert)
.end_cons()
.decode(m_car)
.verify_end();
SecureVector<byte> req_bits = DER_Encoder()
.start_cons(ASN1_Tag(33), APPLICATION)
.raw_bytes(inner_cert)
.end_cons()
.get_contents();
std::tr1::shared_ptr<DataSource> req_source(new DataSource_Memory(req_bits));
m_req = EAC1_1_Req(req_source);
sig_algo = m_req.sig_algo;
}
MemoryVector<byte> EAC1_1_ADO::make_signed(
std::auto_ptr<PK_Signer> signer,
const MemoryRegion<byte>& tbs_bits,
RandomNumberGenerator& rng)
{
SecureVector<byte> concat_sig =
EAC1_1_obj<EAC1_1_ADO>::make_signature(signer.get(), tbs_bits, rng);
assert(concat_sig.size() % 2 == 0);
MemoryVector<byte> result = DER_Encoder()
.start_cons(ASN1_Tag(7), APPLICATION)
.raw_bytes(tbs_bits)
.encode(concat_sig, OCTET_STRING, ASN1_Tag(55), APPLICATION)
.end_cons()
.get_contents();
return result;
}
ASN1_Car EAC1_1_ADO::get_car() const
{
return m_car;
}
void EAC1_1_ADO::decode_info(SharedPtrConverter<DataSource> source,
SecureVector<byte> & res_tbs_bits,
ECDSA_Signature & res_sig)
{
SecureVector<byte> concat_sig;
SecureVector<byte> cert_inner_bits;
ASN1_Car car;
BER_Decoder(*source.get_ptr().get())
.start_cons(ASN1_Tag(7))
.start_cons(ASN1_Tag(33))
.raw_bytes(cert_inner_bits)
.end_cons()
.decode(car)
.decode(concat_sig, OCTET_STRING, ASN1_Tag(55), APPLICATION)
.end_cons();
SecureVector<byte> enc_cert = DER_Encoder()
.start_cons(ASN1_Tag(33), APPLICATION)
.raw_bytes(cert_inner_bits)
.end_cons()
.get_contents();
SecureVector<byte> enc_car = DER_Encoder()
.encode(car)
.get_contents();
res_tbs_bits = enc_cert;
res_tbs_bits.append(enc_car);
res_sig = decode_concatenation(concat_sig);
}
void EAC1_1_ADO::encode(Pipe& out, X509_Encoding encoding) const
{
SecureVector<byte> concat_sig(EAC1_1_obj<EAC1_1_ADO>::m_sig.get_concatenation());
SecureVector<byte> der = DER_Encoder()
.start_cons(ASN1_Tag(7), APPLICATION)
.raw_bytes(tbs_bits)
.encode(concat_sig, OCTET_STRING, ASN1_Tag(55), APPLICATION)
.end_cons()
.get_contents();
if(encoding == PEM)
throw Invalid_Argument("EAC1_1_ADO::encode() cannot PEM encode an EAC object");
else
out.write(der);
}
SecureVector<byte> EAC1_1_ADO::tbs_data() const
{
return tbs_bits;
}
bool EAC1_1_ADO::operator==(EAC1_1_ADO const& rhs) const
{
assert(((this->m_req == rhs.m_req) && (this->tbs_data() == rhs.tbs_data())) ||
((this->m_req != rhs.m_req) && (this->tbs_data() != rhs.tbs_data())));
return (this->get_concat_sig() == rhs.get_concat_sig()
&& this->tbs_data() == rhs.tbs_data()
&& this->get_car() == rhs.get_car());
}
EAC1_1_Req EAC1_1_ADO::get_request() const
{
return m_req;
}
}
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