/* * Certificate Message * (C) 2004-2006,2012 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) */ #include #include #include #include #include #include #include namespace Botan { namespace TLS { /** * Create a new Certificate message */ Certificate::Certificate(Handshake_IO& io, Handshake_Hash& hash, const std::vector& cert_list) : m_certs(cert_list) { hash.update(io.send(*this)); } /** * Deserialize a Certificate message */ Certificate::Certificate(const std::vector& buf, const Policy& /*policy_currently_unused*/) { if(buf.size() < 3) throw Decoding_Error("Certificate: Message malformed"); const size_t total_size = make_uint32(0, buf[0], buf[1], buf[2]); if(total_size != buf.size() - 3) throw Decoding_Error("Certificate: Message malformed"); const uint8_t* certs = buf.data() + 3; while(size_t remaining_bytes = buf.data() + buf.size() - certs) { if(remaining_bytes < 3) throw Decoding_Error("Certificate: Message malformed"); const size_t cert_size = make_uint32(0, certs[0], certs[1], certs[2]); if(remaining_bytes < (3 + cert_size)) throw Decoding_Error("Certificate: Message malformed"); DataSource_Memory cert_buf(&certs[3], cert_size); m_certs.push_back(X509_Certificate(cert_buf)); certs += cert_size + 3; } } /** * Serialize a Certificate message */ std::vector Certificate::serialize() const { std::vector buf(3); for(size_t i = 0; i != m_certs.size(); ++i) { std::vector raw_cert = m_certs[i].BER_encode(); const size_t cert_size = raw_cert.size(); for(size_t j = 0; j != 3; ++j) { buf.push_back(get_byte(j+1, static_cast(cert_size))); } buf += raw_cert; } const size_t buf_size = buf.size() - 3; for(size_t i = 0; i != 3; ++i) buf[i] = get_byte(i+1, static_cast(buf_size)); return buf; } } }