diff options
Diffstat (limited to 'botan/doc/examples/eax_test.cpp')
| -rw-r--r-- | botan/doc/examples/eax_test.cpp | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/botan/doc/examples/eax_test.cpp b/botan/doc/examples/eax_test.cpp deleted file mode 100644 index 283e335..0000000 --- a/botan/doc/examples/eax_test.cpp +++ /dev/null @@ -1,241 +0,0 @@ -#include <fstream> -#include <iostream> -#include <sstream> -#include <boost/regex.hpp> - -#include <botan/botan.h> -#include <botan/eax.h> - -using namespace Botan; - -unsigned to_string(const std::string& s) - { - std::istringstream stream(s); - unsigned n; - stream >> n; - return n; - } - -std::string seq(unsigned n) - { - std::string s; - - for(unsigned i = 0; i != n; ++i) - { - unsigned char b = (i & 0xFF); - - const char bin2hex[] = { '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; - - s += bin2hex[(b >> 4)]; - s += bin2hex[(b & 0x0f)]; - } - - return s; - } - -void eax_test(const std::string& algo, - const std::string& key_str, - const std::string& nonce_str, - const std::string& header_str, - const std::string& tag_str, - const std::string& plaintext_str, - const std::string& ciphertext) - { - /* - printf("EAX(algo=%s key=%s nonce=%s header=%s tag=%s pt=%s ct=%s)\n", - algo.c_str(), key_str.c_str(), nonce_str.c_str(), header_str.c_str(), tag_str.c_str(), - plaintext_str.c_str(), ciphertext.c_str()); - */ - - SymmetricKey key(key_str); - InitializationVector iv(nonce_str); - - EAX_Encryption* enc; - - Pipe pipe(new Hex_Decoder, - enc = new EAX_Encryption(get_block_cipher(algo)), - new Hex_Encoder); - - enc->set_key(key); - enc->set_iv(iv); - - OctetString header(header_str); - - enc->set_header(header.begin(), header.length()); - - pipe.start_msg(); - pipe.write(plaintext_str); - pipe.end_msg(); - - std::string out = pipe.read_all_as_string(); - - if(out != ciphertext + tag_str) - { - printf("BAD enc %s '%s' != '%s%s'\n", algo.c_str(), - out.c_str(), ciphertext.c_str(), tag_str.c_str()); - } - else - printf("OK enc %s\n", algo.c_str()); - - try - { - EAX_Decryption* dec; - Pipe pipe2(new Hex_Decoder, - dec = new EAX_Decryption(get_block_cipher(algo)), - new Hex_Encoder); - - dec->set_key(key); - dec->set_iv(iv); - - dec->set_header(header.begin(), header.length()); - - pipe2.start_msg(); - pipe2.write(ciphertext); - pipe2.write(tag_str); - pipe2.end_msg(); - - std::string out2 = pipe2.read_all_as_string(); - - if(out2 != plaintext_str) - { - printf("BAD decrypt %s '%s'\n", algo.c_str(), out2.c_str()); - } - else - printf("OK decrypt %s\n", algo.c_str()); - } - catch(std::exception& e) - { - printf("%s\n", e.what()); - } - - } - -std::pair<std::string, int> translate_algo(const std::string& in) - { - if(in == "aes (16 byte key)") - return std::make_pair("AES-128", 16); - - if(in == "blowfish (8 byte key)") - return std::make_pair("Blowfish", 8); - - if(in == "rc2 (8 byte key)") - return std::make_pair("RC2", 8); - - if(in == "rc5 (8 byte key)") - return std::make_pair("RC5", 8); - - if(in == "rc6 (16 byte key)") - return std::make_pair("RC6", 16); - - if(in == "safer-sk128 (16 byte key)") - return std::make_pair("SAFER-SK(10)", 16); - - if(in == "twofish (16 byte key)") - return std::make_pair("Twofish", 16); - - if(in == "des (8 byte key)") - return std::make_pair("DES", 8); - - if(in == "3des (24 byte key)") - return std::make_pair("TripleDES", 24); - - // These 3 are disabled due to differences in base algorithm. - -#if 0 - // XTEA: LTC uses little endian, Botan (and Crypto++) use big-endian - // I swapped to LE in XTEA and the vectors did match - if(in == "xtea (16 byte key)") - return std::make_pair("XTEA", 16); - - // Skipjack: LTC uses big-endian, Botan (and Crypto++) use - // little-endian I am not sure if that was the full difference - // though, was unable to replicate LTC's EAX vectors with Skipjack - if(in == "skipjack (10 byte key)") - return std::make_pair("Skipjack", 10); - - // Noekeon: unknown cause, though LTC's lone test vector does not - // match Botan - - if(in == "noekeon (16 byte key)") - return std::make_pair("Noekeon", 16); - -#endif - - return std::make_pair("", 0); - } - -std::string rep(const std::string& s_in, unsigned n) - { - std::string s_out; - - for(unsigned i = 0; i != n; ++i) - s_out += s_in[i % s_in.size()]; - - return s_out; - } - -void run_tests(std::istream& in) - { - std::string algo; - std::string key; - - while(in.good()) - { - std::string line; - - std::getline(in, line); - - if(line == "") - continue; - - if(line.size() > 5 && line.substr(0, 4) == "EAX-") - { - std::pair<std::string, int> name_and_keylen = - translate_algo(line.substr(4)); - - algo = name_and_keylen.first; - key = seq(name_and_keylen.second); - } - else if(algo != "") - { - boost::regex vec_regex("^([ 0-9]{3}): (.*), (.*)$"); - - boost::smatch what; - - if(boost::regex_match(line, what, vec_regex, boost::match_extra)) - { - unsigned n = to_string(what[1]); - std::string ciphertext = what[2]; - std::string tag = what[3]; - - std::string plaintext = seq(n); - std::string header = seq(n); - std::string nonce = seq(n); - - eax_test(algo, key, nonce, header, tag, - plaintext, ciphertext); - - key = rep(tag, key.size()); // repeat as needed - } - } - } - - - } - -int main() - { - std::ifstream in("eax_tv.txt"); - - Botan::LibraryInitializer init; - - if(!in) - { - std::cerr << "Couldn't read input file\n"; - return 1; - } - - run_tests(in); - - } |