aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/examples/aes128cfb.c
diff options
context:
space:
mode:
authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-16 20:49:10 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-16 20:49:10 +0300
commit3ddcdb338778dcb46190cce759df54fcf592dc46 (patch)
treef97474b9331665fbd5de334e5d8de7622885c195 /examples/aes128cfb.c
parentcxx: include data structures & I/O functions (diff)
downloadaes-tools-3ddcdb338778dcb46190cce759df54fcf592dc46.tar.gz
aes-tools-3ddcdb338778dcb46190cce759df54fcf592dc46.zip
examples: C++/libaesnixx instead of C/libaes
Diffstat (limited to '')
-rw-r--r--examples/aes128cfb.c99
-rw-r--r--examples/aes128cfb.cpp51
2 files changed, 51 insertions, 99 deletions
diff --git a/examples/aes128cfb.c b/examples/aes128cfb.c
deleted file mode 100644
index 06c77b3..0000000
--- a/examples/aes128cfb.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/**
- * \file
- * \author Egor Tensin <Egor.Tensin@gmail.com>
- * \date 2015
- * \copyright This file is licensed under the terms of the MIT License.
- * See LICENSE.txt for details.
- */
-
-#include <aesni/all.h>
-
-#include <stdio.h>
-
-int main()
-{
- AesNI_Block128 plain, key, cipher, decrypted, iv, next_iv;
- AesNI_KeySchedule128 key_schedule;
-
- plain = aesni_make_block128(0xffeeddcc, 0xbbaa9988, 0x77665544, 0x33221100);
- key = aesni_make_block128(0x0f0e0d0c, 0x0b0a0908, 0x07060504, 0x03020100);
- iv = aesni_make_block128(0xfedcba98, 0x76543210, 0xfedcba98, 0x76543210);
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &plain, NULL);
- printf("Plain: %s\n", str.str);
- aesni_print_block128_as_matrix(&plain, NULL);
- }
-
- printf("\n");
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &key, NULL);
- printf("Key: %s\n", str.str);
- aesni_print_block128_as_matrix(&key, NULL);
- }
-
- printf("\n");
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &iv, NULL);
- printf("Initialization vector: %s\n", str.str);
- aesni_print_block128_as_matrix(&iv, NULL);
- }
-
- aesni_expand_key_schedule128(key, &key_schedule);
-
- printf("\n");
- printf("Key schedule:\n");
- for (int i = 0; i < 11; ++i)
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &key_schedule.keys[i], NULL);
- printf("\t[%d]: %s\n", i, str.str);
- }
-
- cipher = aesni_encrypt_block_cfb128(plain, &key_schedule, iv, &next_iv);
-
- printf("\n");
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &cipher, NULL);
- printf("Cipher: %s\n", str.str);
- aesni_print_block128_as_matrix(&cipher, NULL);
- }
-
- printf("\n");
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &next_iv, NULL);
- printf("Next initialization vector: %s\n", str.str);
- aesni_print_block128_as_matrix(&next_iv, NULL);
- }
-
- decrypted = aesni_decrypt_block_cfb128(cipher, &key_schedule, iv, &next_iv);
-
- printf("\n");
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &decrypted, NULL);
- printf("Decrypted: %s\n", str.str);
- aesni_print_block128_as_matrix(&decrypted, NULL);
- }
-
- printf("\n");
-
- {
- AesNI_BlockString128 str;
- aesni_format_block128(&str, &next_iv, NULL);
- printf("Next initialization vector: %s\n", str.str);
- aesni_print_block128_as_matrix(&next_iv, NULL);
- }
-
- return 0;
-}
diff --git a/examples/aes128cfb.cpp b/examples/aes128cfb.cpp
new file mode 100644
index 0000000..72a1be0
--- /dev/null
+++ b/examples/aes128cfb.cpp
@@ -0,0 +1,51 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ * See LICENSE.txt for details.
+ */
+
+#include "common.hpp"
+
+#include <aesni/all.h>
+
+#include <aesnixx/all.hpp>
+
+#include <exception>
+#include <iostream>
+
+int main()
+{
+ try
+ {
+ aesni::Block128 plaintext;
+ make_default_plaintext(plaintext);
+
+ aesni::Block128 key;
+ make_default_key(key);
+
+ aesni::Block128 iv;
+ make_default_iv(iv);
+
+ aesni::KeySchedule128 encryption_schedule;
+ aesni_expand_key_schedule128(key, &encryption_schedule);
+ dump_encryption_schedule(encryption_schedule);
+
+ aesni::Block128 next_iv;
+ const auto ciphertext = aesni_encrypt_block_cfb128(plaintext, &encryption_schedule, iv, &next_iv);
+ dump_ciphertext(ciphertext);
+ dump_next_iv(next_iv);
+
+ const auto decrypted = aesni_decrypt_block_cfb128(ciphertext, &encryption_schedule, iv, &next_iv);
+ dump_decrypted(decrypted);
+ dump_next_iv(next_iv);
+
+ return 0;
+ }
+ catch (const std::exception& e)
+ {
+ std::cerr << e.what() << "\n";
+ return 1;
+ }
+}