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path: root/utils/aes_decrypt_block.cpp
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-rw-r--r--utils/aes_decrypt_block.cpp98
1 files changed, 56 insertions, 42 deletions
diff --git a/utils/aes_decrypt_block.cpp b/utils/aes_decrypt_block.cpp
index bab5f50..0f41b47 100644
--- a/utils/aes_decrypt_block.cpp
+++ b/utils/aes_decrypt_block.cpp
@@ -25,48 +25,48 @@ namespace
std::deque<std::string>& ciphertexts,
bool verbose = false)
{
- typename aesni::aes::Types<algorithm>::BlockT iv;
+ typename aesni::Types<algorithm>::Block iv;
if (aesni::ModeRequiresInitializationVector<mode>())
{
if (ciphertexts.empty())
return false;
- aesni::aes::from_string(iv, ciphertexts.front());
+ aesni::from_string<algorithm>(iv, ciphertexts.front());
ciphertexts.pop_front();
if (verbose)
- dump_iv(iv);
+ dump_iv<algorithm>(iv);
}
- typename aesni::aes::Types<algorithm>::KeyT key;
- aesni::aes::from_string(key, key_str);
+ typename aesni::Types<algorithm>::Key key;
+ aesni::from_string<algorithm>(key, key_str);
if (verbose)
- dump_key(key);
+ dump_key<algorithm>(key);
- aesni::aes::Encrypt<algorithm, mode> encrypt(key, iv);
+ aesni::DecryptWrapper<algorithm, mode> decrypt(key, iv);
if (verbose)
- Dumper<algorithm, mode>::dump_round_keys(encrypt);
+ dump_wrapper<algorithm, mode>(decrypt);
while (!ciphertexts.empty())
{
- typename aesni::aes::Types<algorithm>::BlockT ciphertext;
- aesni::aes::from_string(ciphertext, ciphertexts.front());
+ typename aesni::Types<algorithm>::Block ciphertext, plaintext;
+ aesni::from_string<algorithm>(ciphertext, ciphertexts.front());
ciphertexts.pop_front();
- const auto plaintext = encrypt.decrypt(ciphertext);
+ decrypt.decrypt_block(ciphertext, plaintext);
if (verbose)
{
- dump_ciphertext(ciphertext);
- dump_plaintext(plaintext);
- Dumper<algorithm, mode>::dump_next_iv(encrypt);
+ dump_ciphertext<algorithm>(ciphertext);
+ dump_plaintext<algorithm>(plaintext);
+ dump_next_iv<algorithm, mode>(decrypt);
}
else
{
- std::cout << aesni::aes::to_string(plaintext) << "\n";
+ std::cout << aesni::to_string<algorithm>(plaintext) << "\n";
}
}
@@ -102,7 +102,7 @@ namespace
}
}
- bool decrypt(
+ bool decrypt_using_cxx_api(
aesni::Algorithm algorithm,
aesni::Mode mode,
const std::string& key_str,
@@ -125,32 +125,13 @@ namespace
}
}
- bool decrypt_using_boxes(
- aesni::Algorithm algorithm,
+ template <aesni::Algorithm algorithm>
+ bool decrypt_using_boxes_with_algorithm(
+ const AesNI_BoxAlgorithmParams& algorithm_params,
aesni::Mode mode,
const std::string& key,
std::deque<std::string> ciphertexts)
{
- AesNI_BoxAlgorithmParams algorithm_params;
-
- switch (algorithm)
- {
- case AESNI_AES128:
- aesni::aes::from_string(algorithm_params.aes128_key, key);
- break;
-
- case AESNI_AES192:
- aesni::aes::from_string(algorithm_params.aes192_key, key);
- break;
-
- case AESNI_AES256:
- aesni::aes::from_string(algorithm_params.aes256_key, key);
- break;
-
- default:
- return false;
- }
-
AesNI_BoxBlock iv;
AesNI_BoxBlock* iv_ptr = nullptr;
@@ -159,7 +140,7 @@ namespace
if (ciphertexts.empty())
return false;
- aesni::aes::from_string(iv.aes_block, ciphertexts.front());
+ aesni::from_string<algorithm>(iv.aes_block, ciphertexts.front());
iv_ptr = &iv;
ciphertexts.pop_front();
}
@@ -176,7 +157,7 @@ namespace
while (!ciphertexts.empty())
{
AesNI_BoxBlock ciphertext;
- aesni::aes::from_string(ciphertext.aes_block, ciphertexts.front());
+ aesni::from_string<algorithm>(ciphertext.aes_block, ciphertexts.front());
ciphertexts.pop_front();
AesNI_BoxBlock plaintext;
@@ -186,11 +167,44 @@ namespace
&plaintext,
aesni::ErrorDetailsThrowsInDestructor());
- std::cout << aesni::aes::to_string(plaintext.aes_block) << "\n";
+ std::cout << aesni::to_string<algorithm>(plaintext.aes_block) << "\n";
}
return true;
}
+
+ bool decrypt_using_boxes(
+ aesni::Algorithm algorithm,
+ aesni::Mode mode,
+ const std::string& key,
+ std::deque<std::string> ciphertexts)
+ {
+ AesNI_BoxAlgorithmParams algorithm_params;
+
+ switch (algorithm)
+ {
+ case AESNI_AES128:
+ aesni::from_string<AESNI_AES128>(
+ algorithm_params.aes128_key, key);
+ return decrypt_using_boxes_with_algorithm<AESNI_AES128>(
+ algorithm_params, mode, key, ciphertexts);
+
+ case AESNI_AES192:
+ aesni::from_string<AESNI_AES192>(
+ algorithm_params.aes192_key, key);
+ return decrypt_using_boxes_with_algorithm<AESNI_AES192>(
+ algorithm_params, mode, key, ciphertexts);
+
+ case AESNI_AES256:
+ aesni::from_string<AESNI_AES256>(
+ algorithm_params.aes256_key, key);
+ return decrypt_using_boxes_with_algorithm<AESNI_AES256>(
+ algorithm_params, mode, key, ciphertexts);
+
+ default:
+ return false;
+ }
+ }
}
int main(int argc, char** argv)
@@ -228,7 +242,7 @@ int main(int argc, char** argv)
const auto success = cmd_parser.use_boxes()
? decrypt_using_boxes(algorithm, mode, key, ciphertexts)
- : decrypt(algorithm, mode, key, ciphertexts, cmd_parser.verbose());
+ : decrypt_using_cxx_api(algorithm, mode, key, ciphertexts, cmd_parser.verbose());
if (!success)
{