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+/* Copyright 2018 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include "aes.h"
+#include "aes-gcm.h"
+#include "builtin/assert.h"
+#include "console.h"
+#include "common.h"
+#include "test_util.h"
+#include "timer.h"
+#include "util.h"
+#include "watchdog.h"
+
+/* Temporary buffer, to avoid using too much stack space. */
+static uint8_t tmp[512];
+
+/*
+ * Do encryption, put result in |result|, and compare with |ciphertext|.
+ */
+static int test_aes_gcm_encrypt(uint8_t *result, const uint8_t *key,
+ int key_size, const uint8_t *plaintext,
+ const uint8_t *ciphertext, int plaintext_size,
+ const uint8_t *nonce, int nonce_size,
+ const uint8_t *tag, int tag_size)
+{
+ static AES_KEY aes_key;
+ static GCM128_CONTEXT ctx;
+
+ TEST_ASSERT(AES_set_encrypt_key(key, 8 * key_size, &aes_key) == 0);
+
+ CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f)AES_encrypt, 0);
+ CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_size);
+ TEST_ASSERT(CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext, result,
+ plaintext_size));
+ TEST_ASSERT(CRYPTO_gcm128_finish(&ctx, tag, tag_size));
+ TEST_ASSERT_ARRAY_EQ(ciphertext, result, plaintext_size);
+
+ return EC_SUCCESS;
+}
+
+/*
+ * Do decryption, put result in |result|, and compare with |plaintext|.
+ */
+static int test_aes_gcm_decrypt(uint8_t *result, const uint8_t *key,
+ int key_size, const uint8_t *plaintext,
+ const uint8_t *ciphertext, int plaintext_size,
+ const uint8_t *nonce, int nonce_size,
+ const uint8_t *tag, int tag_size)
+{
+ static AES_KEY aes_key;
+ static GCM128_CONTEXT ctx;
+
+ TEST_ASSERT(AES_set_encrypt_key(key, 8 * key_size, &aes_key) == 0);
+
+ CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f)AES_encrypt, 0);
+ CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_size);
+ TEST_ASSERT(CRYPTO_gcm128_decrypt(&ctx, &aes_key, ciphertext, result,
+ plaintext_size));
+ TEST_ASSERT(CRYPTO_gcm128_finish(&ctx, tag, tag_size));
+ TEST_ASSERT_ARRAY_EQ(plaintext, result, plaintext_size);
+
+ return EC_SUCCESS;
+}
+
+static int test_aes_gcm_raw_inplace(const uint8_t *key, int key_size,
+ const uint8_t *plaintext,
+ const uint8_t *ciphertext,
+ int plaintext_size, const uint8_t *nonce,
+ int nonce_size, const uint8_t *tag,
+ int tag_size)
+{
+ /*
+ * Make copies that will be clobbered during in-place encryption or
+ * decryption.
+ */
+ uint8_t plaintext_copy[plaintext_size];
+ uint8_t ciphertext_copy[plaintext_size];
+
+ memcpy(plaintext_copy, plaintext, plaintext_size);
+ memcpy(ciphertext_copy, ciphertext, plaintext_size);
+
+ TEST_ASSERT(test_aes_gcm_encrypt(plaintext_copy, key, key_size,
+ plaintext_copy, ciphertext,
+ plaintext_size, nonce, nonce_size, tag,
+ tag_size) == EC_SUCCESS);
+
+ TEST_ASSERT(test_aes_gcm_decrypt(ciphertext_copy, key, key_size,
+ plaintext, ciphertext_copy,
+ plaintext_size, nonce, nonce_size, tag,
+ tag_size) == EC_SUCCESS);
+
+ return EC_SUCCESS;
+}
+
+static int test_aes_gcm_raw_non_inplace(const uint8_t *key, int key_size,
+ const uint8_t *plaintext,
+ const uint8_t *ciphertext,
+ int plaintext_size,
+ const uint8_t *nonce, int nonce_size,
+ const uint8_t *tag, int tag_size)
+{
+ TEST_ASSERT(test_aes_gcm_encrypt(tmp, key, key_size, plaintext,
+ ciphertext, plaintext_size, nonce,
+ nonce_size, tag,
+ tag_size) == EC_SUCCESS);
+
+ TEST_ASSERT(test_aes_gcm_decrypt(tmp, key, key_size, plaintext,
+ ciphertext, plaintext_size, nonce,
+ nonce_size, tag,
+ tag_size) == EC_SUCCESS);
+
+ return EC_SUCCESS;
+}
+
+static int test_aes_gcm_raw(const uint8_t *key, int key_size,
+ const uint8_t *plaintext, const uint8_t *ciphertext,
+ int plaintext_size, const uint8_t *nonce,
+ int nonce_size, const uint8_t *tag, int tag_size)
+{
+ TEST_ASSERT(plaintext_size <= sizeof(tmp));
+
+ TEST_ASSERT(test_aes_gcm_raw_non_inplace(key, key_size, plaintext,
+ ciphertext, plaintext_size,
+ nonce, nonce_size, tag,
+ tag_size) == EC_SUCCESS);
+ TEST_ASSERT(test_aes_gcm_raw_inplace(key, key_size, plaintext,
+ ciphertext, plaintext_size, nonce,
+ nonce_size, tag,
+ tag_size) == EC_SUCCESS);
+
+ return EC_SUCCESS;
+}
+
+static int test_aes_gcm(void)
+{
+ /*
+ * Test vectors from BoringSSL crypto/fipsmodule/modes/gcm_tests.txt
+ * (only the ones with actual data, and no additional data).
+ */
+ static const uint8_t key1[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t plain1[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t nonce1[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t cipher1[] = {
+ 0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
+ 0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78,
+ };
+ static const uint8_t tag1[] = {
+ 0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
+ 0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf,
+ };
+
+ static const uint8_t key2[] = {
+ 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
+ 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
+ };
+ static const uint8_t plain2[] = {
+ 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 0xa5, 0x59,
+ 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 0x86, 0xa7, 0xa9, 0x53,
+ 0x15, 0x34, 0xf7, 0xda, 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31,
+ 0x8a, 0x72, 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
+ 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 0xb1, 0x6a,
+ 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 0xba, 0x63, 0x7b, 0x39,
+ 0x1a, 0xaf, 0xd2, 0x55,
+ };
+ static const uint8_t nonce2[] = {
+ 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce,
+ 0xdb, 0xad, 0xde, 0xca, 0xf8, 0x88,
+ };
+ static const uint8_t cipher2[] = {
+ 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24, 0x4b, 0x72,
+ 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c, 0xe3, 0xaa, 0x21, 0x2f,
+ 0x2c, 0x02, 0xa4, 0xe0, 0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac,
+ 0xa1, 0x2e, 0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
+ 0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05, 0x1b, 0xa3,
+ 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97, 0x3d, 0x58, 0xe0, 0x91,
+ 0x47, 0x3f, 0x59, 0x85,
+ };
+ static const uint8_t tag2[] = {
+ 0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6,
+ 0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4,
+ };
+
+ static const uint8_t key3[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t plain3[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t nonce3[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t cipher3[] = {
+ 0x98, 0xe7, 0x24, 0x7c, 0x07, 0xf0, 0xfe, 0x41,
+ 0x1c, 0x26, 0x7e, 0x43, 0x84, 0xb0, 0xf6, 0x00,
+ };
+ static const uint8_t tag3[] = {
+ 0x2f, 0xf5, 0x8d, 0x80, 0x03, 0x39, 0x27, 0xab,
+ 0x8e, 0xf4, 0xd4, 0x58, 0x75, 0x14, 0xf0, 0xfb,
+ };
+
+ static const uint8_t key4[] = {
+ 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
+ 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
+ 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
+ };
+ static const uint8_t plain4[] = {
+ 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 0xa5, 0x59,
+ 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 0x86, 0xa7, 0xa9, 0x53,
+ 0x15, 0x34, 0xf7, 0xda, 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31,
+ 0x8a, 0x72, 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
+ 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 0xb1, 0x6a,
+ 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 0xba, 0x63, 0x7b, 0x39,
+ 0x1a, 0xaf, 0xd2, 0x55,
+ };
+ static const uint8_t nonce4[] = {
+ 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce,
+ 0xdb, 0xad, 0xde, 0xca, 0xf8, 0x88,
+ };
+ static const uint8_t cipher4[] = {
+ 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41, 0xeb, 0x06,
+ 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57, 0x85, 0x9e, 0x1c, 0xea,
+ 0xa6, 0xef, 0xd9, 0x84, 0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1,
+ 0xe1, 0x9c, 0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25,
+ 0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47, 0x18, 0xe2,
+ 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9, 0xcc, 0xda, 0x27, 0x10,
+ 0xac, 0xad, 0xe2, 0x56,
+ };
+ static const uint8_t tag4[] = {
+ 0x99, 0x24, 0xa7, 0xc8, 0x58, 0x73, 0x36, 0xbf,
+ 0xb1, 0x18, 0x02, 0x4d, 0xb8, 0x67, 0x4a, 0x14,
+ };
+
+ static const uint8_t key5[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t plain5[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t nonce5[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t cipher5[] = {
+ 0xce, 0xa7, 0x40, 0x3d, 0x4d, 0x60, 0x6b, 0x6e,
+ 0x07, 0x4e, 0xc5, 0xd3, 0xba, 0xf3, 0x9d, 0x18,
+ };
+ static const uint8_t tag5[] = {
+ 0xd0, 0xd1, 0xc8, 0xa7, 0x99, 0x99, 0x6b, 0xf0,
+ 0x26, 0x5b, 0x98, 0xb5, 0xd4, 0x8a, 0xb9, 0x19,
+ };
+
+ static const uint8_t key6[] = {
+ 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
+ 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
+ 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
+ 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
+ };
+ static const uint8_t plain6[] = {
+ 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 0xa5, 0x59,
+ 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 0x86, 0xa7, 0xa9, 0x53,
+ 0x15, 0x34, 0xf7, 0xda, 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31,
+ 0x8a, 0x72, 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
+ 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 0xb1, 0x6a,
+ 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 0xba, 0x63, 0x7b, 0x39,
+ 0x1a, 0xaf, 0xd2, 0x55,
+ };
+ static const uint8_t nonce6[] = {
+ 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce,
+ 0xdb, 0xad, 0xde, 0xca, 0xf8, 0x88,
+ };
+ static const uint8_t cipher6[] = {
+ 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07, 0xf4, 0x7f,
+ 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d, 0x64, 0x3a, 0x8c, 0xdc,
+ 0xbf, 0xe5, 0xc0, 0xc9, 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55,
+ 0xd1, 0xaa, 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
+ 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38, 0xc5, 0xf6,
+ 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a, 0xbc, 0xc9, 0xf6, 0x62,
+ 0x89, 0x80, 0x15, 0xad,
+ };
+ static const uint8_t tag6[] = {
+ 0xb0, 0x94, 0xda, 0xc5, 0xd9, 0x34, 0x71, 0xbd,
+ 0xec, 0x1a, 0x50, 0x22, 0x70, 0xe3, 0xcc, 0x6c,
+ };
+
+ static const uint8_t key7[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t plain7[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ /* This nonce results in 0xfff in counter LSB. */
+ static const uint8_t nonce7[] = {
+ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ };
+ static const uint8_t cipher7[] = {
+ 0x56, 0xb3, 0x37, 0x3c, 0xa9, 0xef, 0x6e, 0x4a, 0x2b, 0x64,
+ 0xfe, 0x1e, 0x9a, 0x17, 0xb6, 0x14, 0x25, 0xf1, 0x0d, 0x47,
+ 0xa7, 0x5a, 0x5f, 0xce, 0x13, 0xef, 0xc6, 0xbc, 0x78, 0x4a,
+ 0xf2, 0x4f, 0x41, 0x41, 0xbd, 0xd4, 0x8c, 0xf7, 0xc7, 0x70,
+ 0x88, 0x7a, 0xfd, 0x57, 0x3c, 0xca, 0x54, 0x18, 0xa9, 0xae,
+ 0xff, 0xcd, 0x7c, 0x5c, 0xed, 0xdf, 0xc6, 0xa7, 0x83, 0x97,
+ 0xb9, 0xa8, 0x5b, 0x49, 0x9d, 0xa5, 0x58, 0x25, 0x72, 0x67,
+ 0xca, 0xab, 0x2a, 0xd0, 0xb2, 0x3c, 0xa4, 0x76, 0xa5, 0x3c,
+ 0xb1, 0x7f, 0xb4, 0x1c, 0x4b, 0x8b, 0x47, 0x5c, 0xb4, 0xf3,
+ 0xf7, 0x16, 0x50, 0x94, 0xc2, 0x29, 0xc9, 0xe8, 0xc4, 0xdc,
+ 0x0a, 0x2a, 0x5f, 0xf1, 0x90, 0x3e, 0x50, 0x15, 0x11, 0x22,
+ 0x13, 0x76, 0xa1, 0xcd, 0xb8, 0x36, 0x4c, 0x50, 0x61, 0xa2,
+ 0x0c, 0xae, 0x74, 0xbc, 0x4a, 0xcd, 0x76, 0xce, 0xb0, 0xab,
+ 0xc9, 0xfd, 0x32, 0x17, 0xef, 0x9f, 0x8c, 0x90, 0xbe, 0x40,
+ 0x2d, 0xdf, 0x6d, 0x86, 0x97, 0xf4, 0xf8, 0x80, 0xdf, 0xf1,
+ 0x5b, 0xfb, 0x7a, 0x6b, 0x28, 0x24, 0x1e, 0xc8, 0xfe, 0x18,
+ 0x3c, 0x2d, 0x59, 0xe3, 0xf9, 0xdf, 0xff, 0x65, 0x3c, 0x71,
+ 0x26, 0xf0, 0xac, 0xb9, 0xe6, 0x42, 0x11, 0xf4, 0x2b, 0xae,
+ 0x12, 0xaf, 0x46, 0x2b, 0x10, 0x70, 0xbe, 0xf1, 0xab, 0x5e,
+ 0x36, 0x06, 0x87, 0x2c, 0xa1, 0x0d, 0xee, 0x15, 0xb3, 0x24,
+ 0x9b, 0x1a, 0x1b, 0x95, 0x8f, 0x23, 0x13, 0x4c, 0x4b, 0xcc,
+ 0xb7, 0xd0, 0x32, 0x00, 0xbc, 0xe4, 0x20, 0xa2, 0xf8, 0xeb,
+ 0x66, 0xdc, 0xf3, 0x64, 0x4d, 0x14, 0x23, 0xc1, 0xb5, 0x69,
+ 0x90, 0x03, 0xc1, 0x3e, 0xce, 0xf4, 0xbf, 0x38, 0xa3, 0xb6,
+ 0x0e, 0xed, 0xc3, 0x40, 0x33, 0xba, 0xc1, 0x90, 0x27, 0x83,
+ 0xdc, 0x6d, 0x89, 0xe2, 0xe7, 0x74, 0x18, 0x8a, 0x43, 0x9c,
+ 0x7e, 0xbc, 0xc0, 0x67, 0x2d, 0xbd, 0xa4, 0xdd, 0xcf, 0xb2,
+ 0x79, 0x46, 0x13, 0xb0, 0xbe, 0x41, 0x31, 0x5e, 0xf7, 0x78,
+ 0x70, 0x8a, 0x70, 0xee, 0x7d, 0x75, 0x16, 0x5c,
+ };
+ static const uint8_t tag7[] = {
+ 0x8b, 0x30, 0x7f, 0x6b, 0x33, 0x28, 0x6d, 0x0a,
+ 0xb0, 0x26, 0xa9, 0xed, 0x3f, 0xe1, 0xe8, 0x5f,
+ };
+
+ TEST_ASSERT(!test_aes_gcm_raw(key1, sizeof(key1), plain1, cipher1,
+ sizeof(plain1), nonce1, sizeof(nonce1),
+ tag1, sizeof(tag1)));
+ TEST_ASSERT(!test_aes_gcm_raw(key2, sizeof(key2), plain2, cipher2,
+ sizeof(plain2), nonce2, sizeof(nonce2),
+ tag2, sizeof(tag2)));
+ TEST_ASSERT(!test_aes_gcm_raw(key3, sizeof(key3), plain3, cipher3,
+ sizeof(plain3), nonce3, sizeof(nonce3),
+ tag3, sizeof(tag3)));
+ TEST_ASSERT(!test_aes_gcm_raw(key4, sizeof(key4), plain4, cipher4,
+ sizeof(plain4), nonce4, sizeof(nonce4),
+ tag4, sizeof(tag4)));
+ TEST_ASSERT(!test_aes_gcm_raw(key5, sizeof(key5), plain5, cipher5,
+ sizeof(plain5), nonce5, sizeof(nonce5),
+ tag5, sizeof(tag5)));
+ TEST_ASSERT(!test_aes_gcm_raw(key6, sizeof(key6), plain6, cipher6,
+ sizeof(plain6), nonce6, sizeof(nonce6),
+ tag6, sizeof(tag6)));
+ TEST_ASSERT(!test_aes_gcm_raw(key7, sizeof(key7), plain7, cipher7,
+ sizeof(plain7), nonce7, sizeof(nonce7),
+ tag7, sizeof(tag7)));
+
+ return EC_SUCCESS;
+}
+
+static void test_aes_gcm_speed(void)
+{
+ int i;
+ static const uint8_t key[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ const int key_size = sizeof(key);
+ static const uint8_t plaintext[512] = { 0 };
+ const int plaintext_size = sizeof(plaintext);
+ static const uint8_t nonce[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ const int nonce_size = sizeof(nonce);
+ uint8_t tag[16] = { 0 };
+ const int tag_size = sizeof(tag);
+
+ uint8_t *out = tmp;
+ static AES_KEY aes_key;
+ static GCM128_CONTEXT ctx;
+ timestamp_t t0, t1;
+
+ assert(plaintext_size <= sizeof(tmp));
+
+ t0 = get_time();
+ for (i = 0; i < 1000; i++) {
+ AES_set_encrypt_key(key, 8 * key_size, &aes_key);
+ CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f)AES_encrypt, 0);
+ CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_size);
+ CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext, out,
+ plaintext_size);
+ CRYPTO_gcm128_tag(&ctx, tag, tag_size);
+ }
+ t1 = get_time();
+ ccprintf("AES-GCM duration %lld us\n", (long long)(t1.val - t0.val));
+}
+
+static int test_aes_raw(const uint8_t *key, int key_size,
+ const uint8_t *plaintext, const uint8_t *ciphertext)
+{
+ AES_KEY aes_key;
+ uint8_t *block = tmp;
+
+ TEST_ASSERT(AES_BLOCK_SIZE <= sizeof(tmp));
+
+ TEST_ASSERT(AES_set_encrypt_key(key, 8 * key_size, &aes_key) == 0);
+
+ /* Test encryption. */
+ AES_encrypt(plaintext, block, &aes_key);
+ TEST_ASSERT_ARRAY_EQ(ciphertext, block, AES_BLOCK_SIZE);
+
+ /* Test in-place encryption. */
+ memcpy(block, plaintext, AES_BLOCK_SIZE);
+ AES_encrypt(block, block, &aes_key);
+ TEST_ASSERT_ARRAY_EQ(ciphertext, block, AES_BLOCK_SIZE);
+
+ TEST_ASSERT(AES_set_decrypt_key(key, 8 * key_size, &aes_key) == 0);
+
+ /* Test decryption. */
+ AES_decrypt(ciphertext, block, &aes_key);
+ TEST_ASSERT_ARRAY_EQ(plaintext, block, AES_BLOCK_SIZE);
+
+ /* Test in-place decryption. */
+ memcpy(block, ciphertext, AES_BLOCK_SIZE);
+ AES_decrypt(block, block, &aes_key);
+ TEST_ASSERT_ARRAY_EQ(plaintext, block, AES_BLOCK_SIZE);
+
+ return EC_SUCCESS;
+}
+
+static int test_aes(void)
+{
+ /* Test vectors from FIPS-197, Appendix C. */
+ static const uint8_t key1[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ };
+ static const uint8_t plain1[] = {
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
+ };
+ static const uint8_t cipher1[] = {
+ 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30,
+ 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a,
+ };
+
+ static const uint8_t key2[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ };
+ static const uint8_t plain2[] = {
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
+ };
+ static const uint8_t cipher2[] = {
+ 0xdd, 0xa9, 0x7c, 0xa4, 0x86, 0x4c, 0xdf, 0xe0,
+ 0x6e, 0xaf, 0x70, 0xa0, 0xec, 0x0d, 0x71, 0x91,
+ };
+
+ static const uint8_t key3[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+ };
+ static const uint8_t plain3[] = {
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
+ };
+ static const uint8_t cipher3[] = {
+ 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf,
+ 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89,
+ };
+
+ TEST_ASSERT(!test_aes_raw(key1, sizeof(key1), plain1, cipher1));
+ TEST_ASSERT(!test_aes_raw(key2, sizeof(key2), plain2, cipher2));
+ TEST_ASSERT(!test_aes_raw(key3, sizeof(key3), plain3, cipher3));
+
+ return EC_SUCCESS;
+}
+
+static void test_aes_speed(void)
+{
+ int i;
+ /* Test vectors from FIPS-197, Appendix C. */
+ static const uint8_t key[] __aligned(4) = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ };
+ const int key_size = sizeof(key);
+ static const uint8_t plaintext[] __aligned(4) = {
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
+ };
+
+ AES_KEY aes_key;
+ uint8_t block[AES_BLOCK_SIZE];
+ timestamp_t t0, t1;
+
+ AES_set_encrypt_key(key, 8 * key_size, &aes_key);
+ AES_encrypt(plaintext, block, &aes_key);
+ t0 = get_time();
+ for (i = 0; i < 1000; i++)
+ AES_encrypt(block, block, &aes_key);
+ t1 = get_time();
+ ccprintf("AES duration %lld us\n", (long long)(t1.val - t0.val));
+}
+
+void run_test(int argc, const char **argv)
+{
+ watchdog_reload();
+
+ /* do not check result, just as a benchmark */
+ test_aes_speed();
+
+ watchdog_reload();
+ RUN_TEST(test_aes);
+
+ /* do not check result, just as a benchmark */
+ test_aes_gcm_speed();
+
+ watchdog_reload();
+ RUN_TEST(test_aes_gcm);
+
+ test_print_result();
+}
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