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/*
* Startup Self Tests
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/selftest.h>
#include <botan/filters.h>
#include <botan/internal/default_engine.h>
#include <botan/internal/stl_util.h>
namespace Botan {
namespace {
/*
* Perform a Known Answer Test
*/
bool test_filter_kat(Filter* filter,
const std::string& input,
const std::string& expected_output)
{
Pipe pipe(new Hex_Decoder, filter, new Hex_Encoder);
pipe.process_msg(input);
std::string output = pipe.read_all_as_string();
return (output == expected_output);
}
}
/*
* Run a set of KATs
*/
std::map<std::string, bool>
algorithm_kat(const SCAN_Name& algo_name,
const std::map<std::string, std::string>& vars,
Algorithm_Factory& af)
{
const std::string& algo = algo_name.algo_name_and_args();
std::vector<std::string> providers = af.providers_of(algo);
std::map<std::string, bool> all_results;
if(providers.empty()) // no providers, nothing to do
return all_results;
const std::string input = search_map(vars, std::string("input"));
const std::string output = search_map(vars, std::string("output"));
SymmetricKey key(search_map(vars, std::string("key")));
InitializationVector iv(search_map(vars, std::string("iv")));
for(u32bit i = 0; i != providers.size(); ++i)
{
const std::string provider = providers[i];
if(const HashFunction* proto =
af.prototype_hash_function(algo, provider))
{
Filter* filt = new Hash_Filter(proto->clone());
all_results[provider] = test_filter_kat(filt, input, output);
}
else if(const MessageAuthenticationCode* proto =
af.prototype_mac(algo, provider))
{
Keyed_Filter* filt = new MAC_Filter(proto->clone(), key);
all_results[provider] = test_filter_kat(filt, input, output);
}
else if(const StreamCipher* proto =
af.prototype_stream_cipher(algo, provider))
{
Keyed_Filter* filt = new StreamCipher_Filter(proto->clone());
filt->set_key(key);
filt->set_iv(iv);
all_results[provider] = test_filter_kat(filt, input, output);
}
else if(const BlockCipher* proto =
af.prototype_block_cipher(algo, provider))
{
Keyed_Filter* enc = get_cipher_mode(proto, ENCRYPTION,
algo_name.cipher_mode(),
algo_name.cipher_mode_pad());
Keyed_Filter* dec = get_cipher_mode(proto, DECRYPTION,
algo_name.cipher_mode(),
algo_name.cipher_mode_pad());
if(!enc || !dec)
{
delete enc;
delete dec;
continue;
}
enc->set_key(key);
if(enc->valid_iv_length(iv.length()))
enc->set_iv(iv);
else if(!enc->valid_iv_length(0))
throw Invalid_IV_Length(algo, iv.length());
dec->set_key(key);
if(dec->valid_iv_length(iv.length()))
dec->set_iv(iv);
else if(!dec->valid_iv_length(0))
throw Invalid_IV_Length(algo, iv.length());
bool enc_ok = test_filter_kat(enc, input, output);
bool dec_ok = test_filter_kat(dec, output, input);
all_results[provider] = enc_ok && dec_ok;
}
}
return all_results;
}
namespace {
void verify_results(const std::string& algo,
const std::map<std::string, bool>& results)
{
for(std::map<std::string, bool>::const_iterator i = results.begin();
i != results.end(); ++i)
{
if(!i->second)
throw Self_Test_Failure(algo + " self-test failed, provider "+
i->first);
}
}
void hash_test(Algorithm_Factory& af,
const std::string& name,
const std::string& in,
const std::string& out)
{
std::map<std::string, std::string> vars;
vars["input"] = in;
vars["output"] = out;
verify_results(name, algorithm_kat(name, vars, af));
}
void mac_test(Algorithm_Factory& af,
const std::string& name,
const std::string& in,
const std::string& out,
const std::string& key)
{
std::map<std::string, std::string> vars;
vars["input"] = in;
vars["output"] = out;
vars["key"] = key;
verify_results(name, algorithm_kat(name, vars, af));
}
/*
* Perform a KAT for a cipher
*/
void cipher_kat(Algorithm_Factory& af,
const std::string& algo,
const std::string& key_str,
const std::string& iv_str,
const std::string& in,
const std::string& ecb_out,
const std::string& cbc_out,
const std::string& cfb_out,
const std::string& ofb_out,
const std::string& ctr_out)
{
SymmetricKey key(key_str);
InitializationVector iv(iv_str);
std::map<std::string, std::string> vars;
vars["key"] = key_str;
vars["iv"] = iv_str;
vars["input"] = in;
std::map<std::string, bool> results;
vars["output"] = ecb_out;
verify_results(algo + "/ECB", algorithm_kat(algo + "/ECB", vars, af));
vars["output"] = cbc_out;
verify_results(algo + "/CBC",
algorithm_kat(algo + "/CBC/NoPadding", vars, af));
vars["output"] = cfb_out;
verify_results(algo + "/CFB", algorithm_kat(algo + "/CFB", vars, af));
vars["output"] = ofb_out;
verify_results(algo + "/OFB", algorithm_kat(algo + "/OFB", vars, af));
vars["output"] = ctr_out;
verify_results(algo + "/CTR", algorithm_kat(algo + "/CTR-BE", vars, af));
}
}
/*
* Perform Self Tests
*/
bool passes_self_tests(Algorithm_Factory& af)
{
try
{
confirm_startup_self_tests(af);
}
catch(Self_Test_Failure)
{
return false;
}
return true;
}
/*
* Perform Self Tests
*/
void confirm_startup_self_tests(Algorithm_Factory& af)
{
cipher_kat(af, "DES",
"0123456789ABCDEF", "1234567890ABCDEF",
"4E6F77206973207468652074696D6520666F7220616C6C20",
"3FA40E8A984D48156A271787AB8883F9893D51EC4B563B53",
"E5C7CDDE872BF27C43E934008C389C0F683788499A7C05F6",
"F3096249C7F46E51A69E839B1A92F78403467133898EA622",
"F3096249C7F46E5135F24A242EEB3D3F3D6D5BE3255AF8C3",
"F3096249C7F46E51163A8CA0FFC94C27FA2F80F480B86F75");
cipher_kat(af, "TripleDES",
"385D7189A5C3D485E1370AA5D408082B5CCCCB5E19F2D90E",
"C141B5FCCD28DC8A",
"6E1BD7C6120947A464A6AAB293A0F89A563D8D40D3461B68",
"64EAAD4ACBB9CEAD6C7615E7C7E4792FE587D91F20C7D2F4",
"6235A461AFD312973E3B4F7AA7D23E34E03371F8E8C376C9",
"E26BA806A59B0330DE40CA38E77A3E494BE2B212F6DD624B",
"E26BA806A59B03307DE2BCC25A08BA40A8BA335F5D604C62",
"E26BA806A59B03303C62C2EFF32D3ACDD5D5F35EBCC53371");
cipher_kat(af, "AES-128",
"2B7E151628AED2A6ABF7158809CF4F3C",
"000102030405060708090A0B0C0D0E0F",
"6BC1BEE22E409F96E93D7E117393172A"
"AE2D8A571E03AC9C9EB76FAC45AF8E51",
"3AD77BB40D7A3660A89ECAF32466EF97"
"F5D3D58503B9699DE785895A96FDBAAF",
"7649ABAC8119B246CEE98E9B12E9197D"
"5086CB9B507219EE95DB113A917678B2",
"3B3FD92EB72DAD20333449F8E83CFB4A"
"C8A64537A0B3A93FCDE3CDAD9F1CE58B",
"3B3FD92EB72DAD20333449F8E83CFB4A"
"7789508D16918F03F53C52DAC54ED825",
"3B3FD92EB72DAD20333449F8E83CFB4A"
"010C041999E03F36448624483E582D0E");
hash_test(af, "SHA-1",
"", "DA39A3EE5E6B4B0D3255BFEF95601890AFD80709");
hash_test(af, "SHA-1",
"616263", "A9993E364706816ABA3E25717850C26C9CD0D89D");
hash_test(af, "SHA-1",
"6162636462636465636465666465666765666768666768696768696A"
"68696A6B696A6B6C6A6B6C6D6B6C6D6E6C6D6E6F6D6E6F706E6F7071",
"84983E441C3BD26EBAAE4AA1F95129E5E54670F1");
mac_test(af, "HMAC(SHA-1)",
"4869205468657265",
"B617318655057264E28BC0B6FB378C8EF146BE00",
"0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B");
hash_test(af, "SHA-256",
"",
"E3B0C44298FC1C149AFBF4C8996FB924"
"27AE41E4649B934CA495991B7852B855");
hash_test(af, "SHA-256",
"616263",
"BA7816BF8F01CFEA414140DE5DAE2223"
"B00361A396177A9CB410FF61F20015AD");
hash_test(af, "SHA-256",
"6162636462636465636465666465666765666768666768696768696A"
"68696A6B696A6B6C6A6B6C6D6B6C6D6E6C6D6E6F6D6E6F706E6F7071",
"248D6A61D20638B8E5C026930C3E6039"
"A33CE45964FF2167F6ECEDD419DB06C1");
mac_test(af, "HMAC(SHA-256)",
"4869205468657265",
"198A607EB44BFBC69903A0F1CF2BBDC5"
"BA0AA3F3D9AE3C1C7A3B1696A0B68CF7",
"0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B"
"0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B");
}
}
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