aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/examples/aes128ofb.c
diff options
context:
space:
mode:
authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-04 06:14:35 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-04 06:14:35 +0300
commit09c2543e905ddd2915e628b0e2c0c7e9c596f2bb (patch)
treee0a860c3b22d3233ef2d762275e91f2eabc448bd /examples/aes128ofb.c
parentgrammar tweaks (diff)
downloadaes-tools-09c2543e905ddd2915e628b0e2c0c7e9c596f2bb.tar.gz
aes-tools-09c2543e905ddd2915e628b0e2c0c7e9c596f2bb.zip
remove redundant file suffixes
Diffstat (limited to 'examples/aes128ofb.c')
-rw-r--r--examples/aes128ofb.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/examples/aes128ofb.c b/examples/aes128ofb.c
new file mode 100644
index 0000000..51f0a8d
--- /dev/null
+++ b/examples/aes128ofb.c
@@ -0,0 +1,59 @@
+/**
+ * \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()
+{
+ __declspec(align(16)) AesBlock128 plain, key, cipher, decrypted, iv, next_iv;
+ __declspec(align(16)) Aes128KeySchedule key_schedule;
+
+ plain = make_aes_block128(0xffeeddcc, 0xbbaa9988, 0x77665544, 0x33221100);
+ key = make_aes_block128(0x0f0e0d0c, 0x0b0a0908, 0x07060504, 0x03020100);
+ iv = make_aes_block128(0xfedcba98, 0x76543210, 0xfedcba98, 0x76543210);
+
+ printf("Plain: %s\n", format_aes_block128(&plain).str);
+ print_aes_block128_fips_matrix_style(&plain);
+
+ printf("\n");
+ printf("Key: %s\n", format_aes_block128(&key).str);
+ print_aes_block128_fips_matrix_style(&key);
+
+ printf("\n");
+ printf("Initialization vector: %s\n", format_aes_block128(&iv).str);
+ print_aes_block128_fips_matrix_style(&iv);
+
+ aes128_expand_key_schedule(key, &key_schedule);
+
+ printf("\n");
+ printf("Key schedule:\n");
+ for (int i = 0; i < 11; ++i)
+ printf("\t[%d]: %s\n", i, format_aes_block128(&key_schedule.keys[i]).str);
+
+ cipher = aes128ofb_encrypt(plain, &key_schedule, iv, &next_iv);
+ printf("\n");
+ printf("Cypher: %s\n", format_aes_block128(&cipher).str);
+ print_aes_block128_fips_matrix_style(&cipher);
+
+ printf("\n");
+ printf("Next initialization vector: %s\n", format_aes_block128(&next_iv).str);
+ print_aes_block128_fips_matrix_style(&next_iv);
+
+ decrypted = aes128ofb_decrypt(cipher, &key_schedule, iv, &next_iv);
+ printf("\n");
+ printf("Decrypted: %s\n", format_aes_block128(&decrypted).str);
+ print_aes_block128_fips_matrix_style(&decrypted);
+
+ printf("\n");
+ printf("Next initialization vector: %s\n", format_aes_block128(&next_iv).str);
+ print_aes_block128_fips_matrix_style(&next_iv);
+
+ return 0;
+}