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/*
* (C) 2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#include <botan/block_cipher.h>
namespace Botan_Tests {
class Block_Cipher_Tests : public Text_Based_Test
{
public:
Block_Cipher_Tests() : Text_Based_Test("block", {"Key", "In", "Out"}) {}
Test::Result run_one_test(const std::string& algo, const VarMap& vars) override
{
const std::vector<uint8_t> key = get_req_bin(vars, "Key");
const std::vector<uint8_t> input = get_req_bin(vars, "In");
const std::vector<uint8_t> expected = get_req_bin(vars, "Out");
Test::Result result(algo);
const std::vector<std::string> providers = Botan::BlockCipher::providers(algo);
if(providers.empty())
{
result.note_missing("block cipher " + algo);
return result;
}
for(auto&& provider_ask : providers)
{
std::unique_ptr<Botan::BlockCipher> cipher(Botan::BlockCipher::create(algo, provider_ask));
if(!cipher)
{
result.note_missing(algo + " from " + provider_ask);
continue;
}
const std::string provider(cipher->provider());
result.test_is_nonempty("provider", provider);
result.test_eq(provider, cipher->name(), algo);
result.test_gte(provider, cipher->parallelism(), 1);
result.test_gte(provider, cipher->block_size(), 8);
result.test_gte(provider, cipher->parallel_bytes(), cipher->block_size() * cipher->parallelism());
// Test to make sure clear() resets what we need it to
cipher->set_key(Test::rng().random_vec(cipher->key_spec().minimum_keylength()));
Botan::secure_vector<byte> garbage = Test::rng().random_vec(cipher->block_size());
cipher->encrypt(garbage);
cipher->clear();
cipher->set_key(key);
std::vector<uint8_t> buf = input;
cipher->encrypt(buf);
result.test_eq(provider, "encrypt", buf, expected);
// always decrypt expected ciphertext vs what we produced above
buf = expected;
cipher->decrypt(buf);
cipher->clear();
result.test_eq(provider, "decrypt", buf, input);
}
return result;
}
};
BOTAN_REGISTER_TEST("block", Block_Cipher_Tests);
}
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