diff options
Diffstat (limited to 'src/cert/x509/x509_obj.cpp')
| -rw-r--r-- | src/cert/x509/x509_obj.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/cert/x509/x509_obj.cpp b/src/cert/x509/x509_obj.cpp deleted file mode 100644 index 37d814ce6..000000000 --- a/src/cert/x509/x509_obj.cpp +++ /dev/null @@ -1,246 +0,0 @@ -/* -* X.509 SIGNED Object -* (C) 1999-2007 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#include <botan/x509_obj.h> -#include <botan/x509_key.h> -#include <botan/pubkey.h> -#include <botan/oids.h> -#include <botan/der_enc.h> -#include <botan/ber_dec.h> -#include <botan/parsing.h> -#include <botan/pem.h> -#include <algorithm> -#include <memory> - -namespace Botan { - -/* -* Create a generic X.509 object -*/ -X509_Object::X509_Object(DataSource& stream, const std::string& labels) - { - init(stream, labels); - } - -/* -* Create a generic X.509 object -*/ -X509_Object::X509_Object(const std::string& file, const std::string& labels) - { - DataSource_Stream stream(file, true); - init(stream, labels); - } - -/* -* Create a generic X.509 object -*/ -X509_Object::X509_Object(const std::vector<byte>& vec, const std::string& labels) - { - DataSource_Memory stream(&vec[0], vec.size()); - init(stream, labels); - } - -/* -* Read a PEM or BER X.509 object -*/ -void X509_Object::init(DataSource& in, const std::string& labels) - { - PEM_labels_allowed = split_on(labels, '/'); - if(PEM_labels_allowed.size() < 1) - throw Invalid_Argument("Bad labels argument to X509_Object"); - - PEM_label_pref = PEM_labels_allowed[0]; - std::sort(PEM_labels_allowed.begin(), PEM_labels_allowed.end()); - - try { - if(ASN1::maybe_BER(in) && !PEM_Code::matches(in)) - { - BER_Decoder dec(in); - decode_from(dec); - } - else - { - std::string got_label; - DataSource_Memory ber(PEM_Code::decode(in, got_label)); - - if(!std::binary_search(PEM_labels_allowed.begin(), - PEM_labels_allowed.end(), got_label)) - throw Decoding_Error("Invalid PEM label: " + got_label); - - BER_Decoder dec(ber); - decode_from(dec); - } - } - catch(Decoding_Error& e) - { - throw Decoding_Error(PEM_label_pref + " decoding failed: " + e.what()); - } - } - - -void X509_Object::encode_into(DER_Encoder& to) const - { - to.start_cons(SEQUENCE) - .start_cons(SEQUENCE) - .raw_bytes(tbs_bits) - .end_cons() - .encode(sig_algo) - .encode(sig, BIT_STRING) - .end_cons(); - } - -/* -* Read a BER encoded X.509 object -*/ -void X509_Object::decode_from(BER_Decoder& from) - { - from.start_cons(SEQUENCE) - .start_cons(SEQUENCE) - .raw_bytes(tbs_bits) - .end_cons() - .decode(sig_algo) - .decode(sig, BIT_STRING) - .verify_end() - .end_cons(); - } - -/* -* Return a BER encoded X.509 object -*/ -std::vector<byte> X509_Object::BER_encode() const - { - DER_Encoder der; - encode_into(der); - return der.get_contents_unlocked(); - } - -/* -* Return a PEM encoded X.509 object -*/ -std::string X509_Object::PEM_encode() const - { - return PEM_Code::encode(BER_encode(), PEM_label_pref); - } - -/* -* Return the TBS data -*/ -std::vector<byte> X509_Object::tbs_data() const - { - return ASN1::put_in_sequence(tbs_bits); - } - -/* -* Return the signature of this object -*/ -std::vector<byte> X509_Object::signature() const - { - return sig; - } - -/* -* Return the algorithm used to sign this object -*/ -AlgorithmIdentifier X509_Object::signature_algorithm() const - { - return sig_algo; - } - -/* -* Return the hash used in generating the signature -*/ -std::string X509_Object::hash_used_for_signature() const - { - std::vector<std::string> sig_info = - split_on(OIDS::lookup(sig_algo.oid), '/'); - - if(sig_info.size() != 2) - throw Internal_Error("Invalid name format found for " + - sig_algo.oid.as_string()); - - std::vector<std::string> pad_and_hash = - parse_algorithm_name(sig_info[1]); - - if(pad_and_hash.size() != 2) - throw Internal_Error("Invalid name format " + sig_info[1]); - - return pad_and_hash[1]; - } - -/* -* Check the signature on an object -*/ -bool X509_Object::check_signature(const Public_Key* pub_key) const - { - std::unique_ptr<const Public_Key> key(pub_key); - return check_signature(*key); - } - -/* -* Check the signature on an object -*/ -bool X509_Object::check_signature(const Public_Key& pub_key) const - { - try { - std::vector<std::string> sig_info = - split_on(OIDS::lookup(sig_algo.oid), '/'); - - if(sig_info.size() != 2 || sig_info[0] != pub_key.algo_name()) - return false; - - std::string padding = sig_info[1]; - Signature_Format format = - (pub_key.message_parts() >= 2) ? DER_SEQUENCE : IEEE_1363; - - PK_Verifier verifier(pub_key, padding, format); - - return verifier.verify_message(tbs_data(), signature()); - } - catch(std::exception& e) - { - return false; - } - } - -/* -* Apply the X.509 SIGNED macro -*/ -std::vector<byte> X509_Object::make_signed(PK_Signer* signer, - RandomNumberGenerator& rng, - const AlgorithmIdentifier& algo, - const secure_vector<byte>& tbs_bits) - { - return DER_Encoder() - .start_cons(SEQUENCE) - .raw_bytes(tbs_bits) - .encode(algo) - .encode(signer->sign_message(tbs_bits, rng), BIT_STRING) - .end_cons() - .get_contents_unlocked(); - } - -/* -* Try to decode the actual information -*/ -void X509_Object::do_decode() - { - try { - force_decode(); - } - catch(Decoding_Error& e) - { - throw Decoding_Error(PEM_label_pref + " decoding failed (" + - e.what() + ")"); - } - catch(Invalid_Argument& e) - { - throw Decoding_Error(PEM_label_pref + " decoding failed (" + - e.what() + ")"); - } - } - -} |