diff options
Diffstat (limited to 'src/python/core.cpp')
| -rw-r--r-- | src/python/core.cpp | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/src/python/core.cpp b/src/python/core.cpp deleted file mode 100644 index cb395ee60..000000000 --- a/src/python/core.cpp +++ /dev/null @@ -1,230 +0,0 @@ -/* -* Boost.Python module definition -* (C) 1999-2007 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#include <botan/pipe.h> -#include <botan/lookup.h> -#include <botan/cryptobox.h> -#include <botan/pbkdf2.h> -#include <botan/hmac.h> -using namespace Botan; - -#include "python_botan.h" - -class Py_Cipher - { - public: - Py_Cipher(std::string algo_name, std::string direction, - std::string key); - - std::string cipher_noiv(const std::string& text); - - std::string cipher(const std::string& text, - const std::string& iv); - - std::string name() const { return algo_name; } - private: - std::string algo_name; - Keyed_Filter* filter; - Pipe pipe; - }; - -std::string Py_Cipher::cipher(const std::string& input, - const std::string& iv_str) - { - if(iv_str.size()) - { - const byte* iv_bytes = reinterpret_cast<const byte*>(iv_str.data()); - u32bit iv_len = iv_str.size(); - filter->set_iv(InitializationVector(iv_bytes, iv_len)); - } - - pipe.process_msg(input); - return pipe.read_all_as_string(Pipe::LAST_MESSAGE); - } - -// For IV-less algorithms -std::string Py_Cipher::cipher_noiv(const std::string& input) - { - pipe.process_msg(input); - return pipe.read_all_as_string(Pipe::LAST_MESSAGE); - } - -Py_Cipher::Py_Cipher(std::string algo_name, - std::string direction, - std::string key_str) - { - const byte* key_bytes = reinterpret_cast<const byte*>(key_str.data()); - u32bit key_len = key_str.size(); - - Cipher_Dir dir; - - if(direction == "encrypt") - dir = ENCRYPTION; - else if(direction == "decrypt") - dir = DECRYPTION; - else - throw std::invalid_argument("Bad cipher direction " + direction); - - filter = get_cipher(algo_name, dir); - filter->set_key(SymmetricKey(key_bytes, key_len)); - pipe.append(filter); - } - -class Py_HashFunction - { - public: - Py_HashFunction(const std::string& algo_name) - { - hash = get_hash(algo_name); - } - - ~Py_HashFunction() { delete hash; } - - void update(const std::string& input) - { - hash->update(input); - } - - std::string final() - { - std::string out(output_length(), 0); - hash->final(reinterpret_cast<byte*>(&out[0])); - return out; - } - - std::string name() const - { - return hash->name(); - } - - u32bit output_length() const - { - return hash->output_length(); - } - - private: - HashFunction* hash; - }; - -class Py_MAC - { - public: - - Py_MAC(const std::string& name, const std::string& key_str) - { - mac = get_mac(name); - - mac->set_key(reinterpret_cast<const byte*>(key_str.data()), - key_str.size()); - } - - ~Py_MAC() { delete mac; } - - u32bit output_length() const { return mac->output_length(); } - - std::string name() const { return mac->name(); } - - void update(const std::string& in) { mac->update(in); } - - std::string final() - { - std::string out(output_length(), 0); - mac->final(reinterpret_cast<byte*>(&out[0])); - return out; - } - private: - MessageAuthenticationCode* mac; - }; - -std::string cryptobox_encrypt(const std::string& in, - const std::string& passphrase, - Python_RandomNumberGenerator& rng) - { - const byte* in_bytes = reinterpret_cast<const byte*>(in.data()); - - return CryptoBox::encrypt(in_bytes, in.size(), - passphrase, rng.get_underlying_rng()); - } - -std::string cryptobox_decrypt(const std::string& in, - const std::string& passphrase) - { - const byte* in_bytes = reinterpret_cast<const byte*>(in.data()); - - return CryptoBox::decrypt(in_bytes, in.size(), - passphrase); - } - -std::string python_pbkdf2(const std::string& passphrase, - const std::string& salt, - u32bit iterations, - u32bit output_size, - const std::string& hash_fn) - { - PKCS5_PBKDF2 pbkdf2(new HMAC(get_hash(hash_fn))); - - return make_string( - pbkdf2.derive_key(output_size, - passphrase, - reinterpret_cast<const byte*>(salt.data()), - salt.size(), - iterations).bits_of()); - } - -std::string python_kdf2(const std::string& param, - const std::string& masterkey, - u32bit outputlength) - { - std::unique_ptr<KDF> kdf(get_kdf("KDF2(SHA-1)")); - - return make_string( - kdf->derive_key(outputlength, - reinterpret_cast<const byte*>(masterkey.data()), - masterkey.length(), - param)); - } - -BOOST_PYTHON_MODULE(_botan) - { - python::class_<Python_RandomNumberGenerator>("RandomNumberGenerator") - .def(python::init<>()) - .def("__str__", &Python_RandomNumberGenerator::name) - .def("name", &Python_RandomNumberGenerator::name) - .def("reseed", &Python_RandomNumberGenerator::reseed) - .def("add_entropy", &Python_RandomNumberGenerator::add_entropy) - .def("gen_random_byte", &Python_RandomNumberGenerator::gen_random_byte) - .def("gen_random", &Python_RandomNumberGenerator::gen_random); - - python::class_<Py_Cipher, boost::noncopyable> - ("Cipher", python::init<std::string, std::string, std::string>()) - .def("name", &Py_Cipher::name) - .def("cipher", &Py_Cipher::cipher) - .def("cipher", &Py_Cipher::cipher_noiv); - - python::class_<Py_HashFunction, boost::noncopyable> - ("HashFunction", python::init<std::string>()) - .def("update", &Py_HashFunction::update) - .def("final", &Py_HashFunction::final) - .def("name", &Py_HashFunction::name) - .def("output_length", &Py_HashFunction::output_length); - - python::class_<Py_MAC, boost::noncopyable> - ("MAC", python::init<std::string, std::string>()) - .def("update", &Py_MAC::update) - .def("final", &Py_MAC::final) - .def("name", &Py_MAC::name) - .def("output_length", &Py_MAC::output_length); - - python::def("cryptobox_encrypt", cryptobox_encrypt); - python::def("cryptobox_decrypt", cryptobox_decrypt); - python::def("pbkdf2", python_pbkdf2); - python::def("derive_key", python_kdf2); - - export_filters(); - export_rsa(); - export_x509(); - } |