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tests.c
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tests.c
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/* Copyright (c) 2017-2019 Akamai Technologies, Inc.
* SPDX-License-Identifier: Apache-2.0
*/
#define _POSIX_C_SOURCE 200112L
#define _ISOC99_SOURCE 1
#include "config.h"
#include "aes_siv.h"
#undef NDEBUG
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/opensslv.h>
static void debug(const char *label, const unsigned char *hex, size_t len) {
size_t i;
printf("%16s: ", label);
for (i = 0; i < len; i++) {
if (i > 0 && i % 16 == 0)
printf("\n ");
printf("%.2x", (int)hex[i]);
if (i > 0 && i % 4 == 3)
printf(" ");
}
printf("\n");
}
static int fail_allocation_counter = -1;
static void* mock_malloc(size_t num) {
if(fail_allocation_counter < 0) {
return malloc(num);
}
if(fail_allocation_counter-- == 0) {
return NULL;
}
return malloc(num);
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
static void* mock_malloc_ex(size_t num, const char *file, int line) {
(void)file;
(void)line;
return mock_malloc(num);
}
static void *mock_realloc_ex(void *mem, size_t num, const char *file, int line) {
(void)file;
(void)line;
return realloc(mem, num);
}
static void mock_free_ex(void *mem, const char* file, int line) {
(void)file;
(void)line;
free(mem);
}
#endif
/* This needs to be the first test case because CRYPTO_set_mem_functions()
will fail once any allocations have happened.
*/
static void test_malloc_failure(void) {
int ret, i=0;
AES_SIV_CTX *ctx;
#if OPENSSL_VERSION_NUMBER < 0x10100000L
ret = CRYPTO_set_mem_functions(mock_malloc, realloc, free);
#else
ret = CRYPTO_set_mem_functions(mock_malloc_ex, mock_realloc_ex, mock_free_ex);
#endif
assert(ret == 1);
printf("Test allocation failure cases:\n" );
do {
fail_allocation_counter = i++;
} while((ctx = AES_SIV_CTX_new()) == NULL);
assert(i > 1);
printf("AES_SIV_CTX_new() succeeds after %d successful allocations.\n", i-1);
AES_SIV_CTX_free(ctx);
fail_allocation_counter = -1;
}
static void test_cleanup_before_free(void) {
printf("Test cleanup before free: ");
AES_SIV_CTX *ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
AES_SIV_CTX_cleanup(ctx);
AES_SIV_CTX_free(ctx);
printf("OK\n");
}
static void test_vector_1(void) {
const unsigned char key[] = {
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
const unsigned char ad[] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27
};
const unsigned char plaintext[] = {
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee};
const unsigned char ciphertext[] = {
0x85, 0x63, 0x2d, 0x07, 0xc6, 0xe8, 0xf3, 0x7f,
0x95, 0x0a, 0xcd, 0x32, 0x0a, 0x2e, 0xcc, 0x93,
0x40, 0xc0, 0x2b, 0x96, 0x90, 0xc4, 0xdc, 0x04,
0xda, 0xef, 0x7f, 0x6a, 0xfe, 0x5c
};
unsigned char ciphertext_out[256];
unsigned char plaintext_out[256];
size_t plaintext_len = sizeof plaintext_out;
size_t ciphertext_len = sizeof ciphertext_out;
AES_SIV_CTX *ctx;
int ret;
printf("Test vector 1:\n");
debug("key", key, sizeof key);
debug("AD", ad, sizeof ad);
debug("plaintext", plaintext, sizeof plaintext);
debug("exp. ciphertext", ciphertext, sizeof ciphertext);
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
printf("Encryption:\n");
ret = AES_SIV_Encrypt(ctx, ciphertext_out, &ciphertext_len, key,
sizeof key, NULL, 0, plaintext, sizeof plaintext,
ad, sizeof ad);
assert(ret == 1);
assert(ciphertext_len == sizeof ciphertext);
assert(!memcmp(ciphertext, ciphertext_out, ciphertext_len));
printf("Decryption:\n");
ret = AES_SIV_Decrypt(ctx, plaintext_out, &plaintext_len, key,
sizeof key, NULL, 0, ciphertext_out,
ciphertext_len, ad, sizeof ad);
assert(ret == 1);
assert(plaintext_len == sizeof plaintext);
assert(!memcmp(plaintext, plaintext_out, plaintext_len));
AES_SIV_CTX_free(ctx);
}
static void test_vector_2(void) {
const unsigned char key[] = {
0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78,
0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
};
const unsigned char ad1[] = {
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
0xde, 0xad, 0xda, 0xda, 0xde, 0xad, 0xda, 0xda,
0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88,
0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00
};
const unsigned char ad2[] = {
0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80,
0x90, 0xa0
};
const unsigned char nonce[] = {
0x09, 0xf9, 0x11, 0x02, 0x9d, 0x74, 0xe3, 0x5b,
0xd8, 0x41, 0x56, 0xc5, 0x63, 0x56, 0x88, 0xc0
};
const unsigned char plaintext[] = {
0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
0x73, 0x6f, 0x6d, 0x65, 0x20, 0x70, 0x6c, 0x61,
0x69, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x20, 0x74,
0x6f, 0x20, 0x65, 0x6e, 0x63, 0x72, 0x79, 0x70,
0x74, 0x20, 0x75, 0x73, 0x69, 0x6e, 0x67, 0x20,
0x53, 0x49, 0x56, 0x2d, 0x41, 0x45, 0x53
};
const unsigned char ciphertext[] = {
0x7b, 0xdb, 0x6e, 0x3b, 0x43, 0x26, 0x67, 0xeb,
0x06, 0xf4, 0xd1, 0x4b, 0xff, 0x2f, 0xbd, 0x0f,
0xcb, 0x90, 0x0f, 0x2f, 0xdd, 0xbe, 0x40, 0x43,
0x26, 0x60, 0x19, 0x65, 0xc8, 0x89, 0xbf, 0x17,
0xdb, 0xa7, 0x7c, 0xeb, 0x09, 0x4f, 0xa6, 0x63,
0xb7, 0xa3, 0xf7, 0x48, 0xba, 0x8a, 0xf8, 0x29,
0xea, 0x64, 0xad, 0x54, 0x4a, 0x27, 0x2e, 0x9c,
0x48, 0x5b, 0x62, 0xa3, 0xfd, 0x5c, 0x0d
};
unsigned char ciphertext_out[256];
unsigned char plaintext_out[256];
AES_SIV_CTX *ctx;
int ret;
printf("Test vector 2:\n");
debug("key", key, sizeof key);
debug("AD1", ad1, sizeof ad1);
debug("AD2", ad2, sizeof ad2);
debug("nonce", nonce, sizeof nonce);
debug("plaintext", plaintext, sizeof plaintext);
debug("exp. ciphertext", ciphertext, sizeof ciphertext);
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
printf("Encryption:\n");
ret = AES_SIV_Init(ctx, key, sizeof key);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx, ad1, sizeof ad1);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx, ad2, sizeof ad2);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx, nonce, sizeof nonce);
assert(ret == 1);
ret = AES_SIV_EncryptFinal(ctx, ciphertext_out, ciphertext_out + 16,
plaintext, sizeof plaintext);
assert(ret == 1);
debug("IV || C", ciphertext_out, sizeof plaintext + 16);
assert(!memcmp(ciphertext_out, ciphertext, sizeof ciphertext));
printf("Decryption:\n");
ret = AES_SIV_Init(ctx, key, sizeof key);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx, ad1, sizeof ad1);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx, ad2, sizeof ad2);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx, nonce, sizeof nonce);
assert(ret == 1);
ret = AES_SIV_DecryptFinal(ctx, plaintext_out, ciphertext_out,
ciphertext_out + 16, sizeof plaintext);
assert(ret == 1);
debug("plaintext", plaintext_out, sizeof plaintext);
assert(!memcmp(plaintext_out, plaintext, sizeof plaintext));
AES_SIV_CTX_free(ctx);
}
static void test_384bit(void) {
const unsigned char key[] = {
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0
};
const unsigned char ad[] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27
};
const unsigned char plaintext[] = {
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee
};
const unsigned char ciphertext[] = {
0x89, 0xe8, 0x69, 0xb9, 0x32, 0x56, 0x78, 0x51,
0x54, 0xf0, 0x96, 0x39, 0x62, 0xfe, 0x07, 0x40,
0xef, 0xf3, 0x56, 0xe4, 0x2d, 0xec, 0x1f, 0x4f,
0xeb, 0xde, 0xd3, 0x66, 0x42, 0xf2
};
unsigned char ciphertext_out[256];
unsigned char plaintext_out[256];
size_t plaintext_len = sizeof plaintext_out;
size_t ciphertext_len = sizeof ciphertext_out;
AES_SIV_CTX *ctx;
int ret;
printf("384-bit key test:\n");
debug("key", key, sizeof key);
debug("AD", ad, sizeof ad);
debug("plaintext", plaintext, sizeof plaintext);
debug("exp. ciphertext", ciphertext, sizeof ciphertext);
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
printf("Encryption:\n");
ret = AES_SIV_Encrypt(ctx, ciphertext_out, &ciphertext_len, key,
sizeof key, NULL, 0, plaintext, sizeof plaintext,
ad, sizeof ad);
assert(ret == 1);
assert(ciphertext_len == sizeof ciphertext);
assert(!memcmp(ciphertext, ciphertext_out, ciphertext_len));
printf("Decryption:\n");
ret = AES_SIV_Decrypt(ctx, plaintext_out, &plaintext_len, key,
sizeof key, NULL, 0, ciphertext_out,
ciphertext_len, ad, sizeof ad);
assert(ret == 1);
assert(plaintext_len == sizeof plaintext);
assert(!memcmp(plaintext, plaintext_out, plaintext_len));
AES_SIV_CTX_free(ctx);
}
static void test_512bit(void) {
const unsigned char key[] = {
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0
};
const unsigned char ad[] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27
};
const unsigned char plaintext[] = {
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee
};
const unsigned char ciphertext[] = {
0x72, 0x4d, 0xfb, 0x2e, 0xaf, 0x94, 0xdb, 0xb1,
0x9b, 0x0b, 0xa3, 0xa2, 0x99, 0xa0, 0x80, 0x1e,
0xf3, 0xb0, 0x5a, 0x55, 0x49, 0x8e, 0xc2, 0x55,
0x26, 0x90, 0xb8, 0x98, 0x10, 0xe4
};
unsigned char ciphertext_out[256];
unsigned char plaintext_out[256];
size_t plaintext_len = sizeof plaintext_out;
size_t ciphertext_len = sizeof ciphertext_out;
AES_SIV_CTX *ctx;
int ret;
printf("512-bit key test:\n");
debug("key", key, sizeof key);
debug("AD", ad, sizeof ad);
debug("plaintext", plaintext, sizeof plaintext);
debug("exp. ciphertext", ciphertext, sizeof ciphertext);
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
printf("Encryption:\n");
ret = AES_SIV_Encrypt(ctx, ciphertext_out, &ciphertext_len, key,
sizeof key, NULL, 0, plaintext, sizeof plaintext,
ad, sizeof ad);
assert(ret == 1);
assert(ciphertext_len == sizeof ciphertext);
assert(!memcmp(ciphertext, ciphertext_out, ciphertext_len));
printf("Decryption:\n");
ret = AES_SIV_Decrypt(ctx, plaintext_out, &plaintext_len, key,
sizeof key, NULL, 0, ciphertext_out,
ciphertext_len, ad, sizeof ad);
assert(ret == 1);
assert(plaintext_len == sizeof plaintext);
assert(!memcmp(plaintext, plaintext_out, plaintext_len));
AES_SIV_CTX_free(ctx);
}
static void test_highlevel_with_nonce(void) {
const unsigned char key[] = {
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
const unsigned char ad[] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27
};
const unsigned char nonce[] = {
0x09, 0xf9, 0x11, 0x02, 0x9d, 0x74, 0xe3, 0x5b,
0xd8, 0x41, 0x56, 0xc5, 0x63, 0x56, 0x88, 0xc0
};
const unsigned char plaintext[] = {
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee
};
unsigned char ciphertext_out[256];
unsigned char plaintext_out[256];
size_t plaintext_len = sizeof plaintext_out;
size_t ciphertext_len = sizeof ciphertext_out;
AES_SIV_CTX *ctx;
int ret;
printf("Test high-level interface with non-NULL nonce:\n");
debug("key", key, sizeof key);
debug("AD", ad, sizeof ad);
debug("nonce", nonce, sizeof nonce);
debug("plaintext", plaintext, sizeof plaintext);
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
printf("Encryption:\n");
ret = AES_SIV_Encrypt(ctx, ciphertext_out, &ciphertext_len, key,
sizeof key, nonce, sizeof nonce, plaintext,
sizeof plaintext, ad, sizeof ad);
assert(ret == 1);
printf("Decryption:\n");
ret = AES_SIV_Decrypt(ctx, plaintext_out, &plaintext_len, key,
sizeof key, nonce, sizeof nonce, ciphertext_out,
ciphertext_len, ad, sizeof ad);
assert(ret == 1);
assert(plaintext_len == sizeof plaintext);
assert(!memcmp(plaintext, plaintext_out, plaintext_len));
AES_SIV_CTX_free(ctx);
}
static void test_copy(void) {
const unsigned char key[] = {
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
const unsigned char ad[] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27
};
const unsigned char plaintext1[] = {
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee
};
const unsigned char plaintext2[] = {
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xef
};
const unsigned char ciphertext[] = {
0x85, 0x63, 0x2d, 0x07, 0xc6, 0xe8, 0xf3, 0x7f,
0x95, 0x0a, 0xcd, 0x32, 0x0a, 0x2e, 0xcc, 0x93,
0x40, 0xc0, 0x2b, 0x96, 0x90, 0xc4, 0xdc, 0x04,
0xda, 0xef, 0x7f, 0x6a, 0xfe, 0x5c
};
unsigned char ciphertext1_out[256], ciphertext2_out[256];
AES_SIV_CTX *ctx1, *ctx2, *ctx3;
int ret;
ctx1 = AES_SIV_CTX_new();
assert(ctx1 != NULL);
ctx2 = AES_SIV_CTX_new();
assert(ctx2 != NULL);
ctx3 = AES_SIV_CTX_new();
assert(ctx3 != NULL);
ret = AES_SIV_Init(ctx1, key, sizeof key);
assert(ret == 1);
ret = AES_SIV_CTX_copy(ctx2, ctx1);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx1, ad, sizeof ad);
assert(ret == 1);
ret = AES_SIV_AssociateData(ctx2, ad, sizeof ad);
assert(ret == 1);
ret = AES_SIV_CTX_copy(ctx3, ctx1);
assert(ret == 1);
ret = AES_SIV_EncryptFinal(ctx1, ciphertext1_out, ciphertext1_out + 16,
plaintext1, sizeof plaintext1);
assert(ret == 1);
assert(!memcmp(ciphertext, ciphertext1_out, sizeof ciphertext));
ret = AES_SIV_EncryptFinal(ctx2, ciphertext2_out, ciphertext2_out + 16,
plaintext1, sizeof plaintext1);
assert(ret == 1);
assert(!memcmp(ciphertext, ciphertext2_out, sizeof ciphertext));
ret = AES_SIV_EncryptFinal(ctx3, ciphertext2_out, ciphertext2_out + 16,
plaintext2, sizeof plaintext2);
assert(ret == 1);
assert(memcmp(ciphertext, ciphertext2_out, sizeof ciphertext));
AES_SIV_CTX_free(ctx1);
AES_SIV_CTX_free(ctx2);
AES_SIV_CTX_free(ctx3);
}
static void test_bad_key(void) {
static const unsigned char key[40];
static const unsigned char ad[16];
static const unsigned char plaintext[16];
unsigned char ciphertext_out[256];
size_t ciphertext_len = sizeof ciphertext_out;
AES_SIV_CTX *ctx;
int ret;
printf("Test bad key size: ");
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
ret = AES_SIV_Encrypt(ctx, ciphertext_out, &ciphertext_len, key,
sizeof key, NULL, 0, plaintext, sizeof plaintext,
ad, sizeof ad);
assert(ret == 0);
ret = AES_SIV_Init(ctx, key, sizeof key);
assert(ret == 0);
AES_SIV_CTX_free(ctx);
printf("OK\n");
}
static void test_decrypt_failure(void) {
static const unsigned char key[32];
static const unsigned char ad[16];
static const unsigned char ciphertext[32];
unsigned char plaintext_out[256];
size_t plaintext_len = sizeof plaintext_out;
AES_SIV_CTX *ctx;
int ret;
printf("Test decryption failure:\n");
ctx = AES_SIV_CTX_new();
assert(ctx != NULL);
ret = AES_SIV_Decrypt(ctx, plaintext_out, &plaintext_len, key,
sizeof key, NULL, 0, ciphertext,
sizeof ciphertext, ad, sizeof ad);
assert(ret == 0);
AES_SIV_CTX_free(ctx);
}
int main(void) {
test_malloc_failure();
test_cleanup_before_free();
test_vector_1();
test_vector_2();
test_384bit();
test_512bit();
test_highlevel_with_nonce();
test_copy();
test_bad_key();
test_decrypt_failure();
return 0;
}