add OFB mode

7 files changed, 337 insertions, 0 deletions

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 9ee72f4..2057b8f 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -11,9 +11,12 @@ endmacro()
 test(aes128ecb)
 test(aes128cbc)
 test(aes128cfb)
+test(aes128ofb)
 test(aes192ecb)
 test(aes192cbc)
 test(aes192cfb)
+test(aes192ofb)
 test(aes256ecb)
 test(aes256cbc)
 test(aes256cfb)
+test(aes256ofb)
diff --git a/test/aes128ofb_decrypt_block.c b/test/aes128ofb_decrypt_block.c
new file mode 100644
index 0000000..92add4b
--- /dev/null
+++ b/test/aes128ofb_decrypt_block.c
@@ -0,0 +1,55 @@
+/**
+ * \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>
+#include <stdlib.h>
+
+static void exit_with_usage(const char* argv0)
+{
+    printf("Usage: %s KEY INIT_VECTOR [CIPHER...]\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char** argv)
+{
+    __declspec(align(16)) AesBlock128 plain, key, cipher, iv;
+    __declspec(align(16)) Aes128KeySchedule key_schedule;
+
+    if (argc < 3)
+        exit_with_usage(argv[0]);
+
+    if (parse_aes_block128(&key, argv[1]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[1]);
+        exit_with_usage(argv[0]);
+    }
+
+    if (parse_aes_block128(&iv, argv[2]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[2]);
+        exit_with_usage(argv[0]);
+    }
+
+    aes128_expand_key_schedule(key, &key_schedule);
+
+    for (int i = 3; i < argc; ++i)
+    {
+        if (parse_aes_block128(&cipher, argv[i]) != 0)
+        {
+            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[i]);
+            continue;
+        }
+        plain = aes128cfb_decrypt(cipher, &key_schedule, iv);
+        iv = _mm_xor_si128(cipher, plain);
+        print_aes_block128(&plain);
+    }
+
+    return 0;
+}
diff --git a/test/aes128ofb_encrypt_block.c b/test/aes128ofb_encrypt_block.c
new file mode 100644
index 0000000..ef32a59
--- /dev/null
+++ b/test/aes128ofb_encrypt_block.c
@@ -0,0 +1,55 @@
+/**
+ * \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>
+#include <stdlib.h>
+
+static void exit_with_usage(const char* argv0)
+{
+    printf("Usage: %s KEY INIT_VECTOR [PLAIN...]\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char** argv)
+{
+    __declspec(align(16)) AesBlock128 plain, key, cipher, iv;
+    __declspec(align(16)) Aes128KeySchedule key_schedule;
+
+    if (argc < 3)
+        exit_with_usage(argv[0]);
+
+    if (parse_aes_block128(&key, argv[1]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[1]);
+        exit_with_usage(argv[0]);
+    }
+
+    if (parse_aes_block128(&iv, argv[2]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[2]);
+        exit_with_usage(argv[0]);
+    }
+
+    aes128_expand_key_schedule(key, &key_schedule);
+
+    for (int i = 3; i < argc; ++i)
+    {
+        if (parse_aes_block128(&plain, argv[i]) != 0)
+        {
+            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[i]);
+            continue;
+        }
+        cipher = aes128ofb_encrypt(plain, &key_schedule, iv);
+        iv = _mm_xor_si128(cipher, plain);
+        print_aes_block128(&cipher);
+    }
+
+    return 0;
+}
diff --git a/test/aes192ofb_decrypt_block.c b/test/aes192ofb_decrypt_block.c
new file mode 100644
index 0000000..19c873f
--- /dev/null
+++ b/test/aes192ofb_decrypt_block.c
@@ -0,0 +1,56 @@
+/**
+ * \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>
+#include <stdlib.h>
+
+static void exit_with_usage(const char* argv0)
+{
+    printf("Usage: %s KEY INIT_VECTOR [CIPHER...]\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char** argv)
+{
+    __declspec(align(16)) AesBlock128 plain, cipher, iv;
+    __declspec(align(16)) AesBlock192 key;
+    __declspec(align(16)) Aes192KeySchedule key_schedule;
+
+    if (argc < 3)
+        exit_with_usage(argv[0]);
+
+    if (parse_aes_block192(&key, argv[1]) != 0)
+    {
+        fprintf(stderr, "Invalid 192-bit AES block '%s'\n", argv[1]);
+        exit_with_usage(argv[0]);
+    }
+
+    if (parse_aes_block128(&iv, argv[2]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[2]);
+        exit_with_usage(argv[0]);
+    }
+
+    aes192_expand_key_schedule(&key, &key_schedule);
+
+    for (int i = 3; i < argc; ++i)
+    {
+        if (parse_aes_block128(&cipher, argv[i]) != 0)
+        {
+            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[i]);
+            continue;
+        }
+        plain = aes192cfb_decrypt(cipher, &key_schedule, iv);
+        iv = _mm_xor_si128(cipher, plain);
+        print_aes_block128(&plain);
+    }
+
+    return 0;
+}
diff --git a/test/aes192ofb_encrypt_block.c b/test/aes192ofb_encrypt_block.c
new file mode 100644
index 0000000..a3fb944
--- /dev/null
+++ b/test/aes192ofb_encrypt_block.c
@@ -0,0 +1,56 @@
+/**
+ * \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>
+#include <stdlib.h>
+
+static void exit_with_usage(const char* argv0)
+{
+    printf("Usage: %s KEY INIT_VECTOR [PLAIN...]\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char** argv)
+{
+    __declspec(align(16)) AesBlock128 plain, cipher, iv;
+    __declspec(align(16)) AesBlock192 key;
+    __declspec(align(16)) Aes192KeySchedule key_schedule;
+
+    if (argc < 3)
+        exit_with_usage(argv[0]);
+
+    if (parse_aes_block192(&key, argv[1]) != 0)
+    {
+        fprintf(stderr, "Invalid 192-bit AES block '%s'\n", argv[1]);
+        exit_with_usage(argv[0]);
+    }
+
+    if (parse_aes_block128(&iv, argv[2]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[2]);
+        exit_with_usage(argv[0]);
+    }
+
+    aes192_expand_key_schedule(&key, &key_schedule);
+
+    for (int i = 3; i < argc; ++i)
+    {
+        if (parse_aes_block128(&plain, argv[i]) != 0)
+        {
+            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[i]);
+            continue;
+        }
+        cipher = aes192cfb_encrypt(plain, &key_schedule, iv);
+        iv = _mm_xor_si128(cipher, plain);
+        print_aes_block128(&cipher);
+    }
+
+    return 0;
+}
diff --git a/test/aes256ofb_decrypt_block.c b/test/aes256ofb_decrypt_block.c
new file mode 100644
index 0000000..45dcd7b
--- /dev/null
+++ b/test/aes256ofb_decrypt_block.c
@@ -0,0 +1,56 @@
+/**
+ * \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>
+#include <stdlib.h>
+
+static void exit_with_usage(const char* argv0)
+{
+    printf("Usage: %s KEY INIT_VECTOR [CIPHER...]\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char** argv)
+{
+    __declspec(align(16)) AesBlock128 plain, cipher, iv;
+    __declspec(align(16)) AesBlock256 key;
+    __declspec(align(16)) Aes256KeySchedule key_schedule;
+
+    if (argc < 3)
+        exit_with_usage(argv[0]);
+
+    if (parse_aes_block256(&key, argv[1]) != 0)
+    {
+        fprintf(stderr, "Invalid 256-bit AES block '%s'\n", argv[1]);
+        exit_with_usage(argv[0]);
+    }
+
+    if (parse_aes_block128(&iv, argv[2]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[2]);
+        exit_with_usage(argv[0]);
+    }
+
+    aes256_expand_key_schedule(&key, &key_schedule);
+
+    for (int i = 3; i < argc; ++i)
+    {
+        if (parse_aes_block128(&cipher, argv[i]) != 0)
+        {
+            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[i]);
+            continue;
+        }
+        plain = aes256cfb_decrypt(cipher, &key_schedule, iv);
+        iv = _mm_xor_si128(cipher, plain);
+        print_aes_block128(&plain);
+    }
+
+    return 0;
+}
diff --git a/test/aes256ofb_encrypt_block.c b/test/aes256ofb_encrypt_block.c
new file mode 100644
index 0000000..4498bc8
--- /dev/null
+++ b/test/aes256ofb_encrypt_block.c
@@ -0,0 +1,56 @@
+/**
+ * \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>
+#include <stdlib.h>
+
+static void exit_with_usage(const char* argv0)
+{
+    printf("Usage: %s KEY INIT_VECTOR [PLAIN...]\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char** argv)
+{
+    __declspec(align(16)) AesBlock128 plain, cipher, iv;
+    __declspec(align(16)) AesBlock256 key;
+    __declspec(align(16)) Aes256KeySchedule key_schedule;
+
+    if (argc < 3)
+        exit_with_usage(argv[0]);
+
+    if (parse_aes_block256(&key, argv[1]) != 0)
+    {
+        fprintf(stderr, "Invalid 256-bit AES block '%s'\n", argv[1]);
+        exit_with_usage(argv[0]);
+    }
+
+    if (parse_aes_block128(&iv, argv[2]) != 0)
+    {
+        fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[2]);
+        exit_with_usage(argv[0]);
+    }
+
+    aes256_expand_key_schedule(&key, &key_schedule);
+
+    for (int i = 3; i < argc; ++i)
+    {
+        if (parse_aes_block128(&plain, argv[i]) != 0)
+        {
+            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[i]);
+            continue;
+        }
+        cipher = aes256cfb_encrypt(plain, &key_schedule, iv);
+        iv = _mm_xor_si128(cipher, plain);
+        print_aes_block128(&cipher);
+    }
+
+    return 0;
+}