evp_test.c
/* Written by Ben Laurie, 2001 */
/*
* Copyright (c) 2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include "../e_os.h"
#include <openssl/opensslconf.h>
#include <openssl/evp.h>
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
#include <openssl/err.h>
#include <openssl/conf.h>
static void hexdump(FILE *f, const char *title, const unsigned char *s, int l)
{
int n = 0;
fprintf(f, "%s", title);
for (; n < l; ++n) {
if ((n % 16) == 0)
fprintf(f, "\n%04x", n);
fprintf(f, " %02x", s[n]);
}
fprintf(f, "\n");
}
static int convert(unsigned char *s)
{
unsigned char *d;
int digits = 0;
for (d = s; *s; s += 2, ++d) {
unsigned int n;
if (!s[1]) {
fprintf(stderr, "Odd number of hex digits!");
EXIT(4);
}
sscanf((char *)s, "%2x", &n);
*d = (unsigned char)n;
digits++;
}
return digits;
}
static char *sstrsep(char **string, const char *delim)
{
char isdelim[256];
char *token = *string;
if (**string == 0)
return NULL;
memset(isdelim, 0, 256);
isdelim[0] = 1;
while (*delim) {
isdelim[(unsigned char)(*delim)] = 1;
delim++;
}
while (!isdelim[(unsigned char)(**string)]) {
(*string)++;
}
if (**string) {
**string = 0;
(*string)++;
}
return token;
}
static unsigned char *ustrsep(char **p, const char *sep)
{
return (unsigned char *)sstrsep(p, sep);
}
static int test1_exit(int ec)
{
EXIT(ec);
return (0); /* To keep some compilers quiet */
}
static void test1(const EVP_CIPHER *c, const unsigned char *key, int kn,
const unsigned char *iv, int in,
const unsigned char *plaintext, int pn,
const unsigned char *ciphertext, int cn,
const unsigned char *aad, int an,
const unsigned char *tag, int tn, int encdec)
{
EVP_CIPHER_CTX ctx;
unsigned char out[4096];
int outl, outl2, mode;
printf("Testing cipher %s%s\n", EVP_CIPHER_name(c),
(encdec ==
1 ? "(encrypt)" : (encdec ==
0 ? "(decrypt)" : "(encrypt/decrypt)")));
hexdump(stdout, "Key", key, kn);
if (in)
hexdump(stdout, "IV", iv, in);
hexdump(stdout, "Plaintext", plaintext, pn);
hexdump(stdout, "Ciphertext", ciphertext, cn);
if (an)
hexdump(stdout, "AAD", aad, an);
if (tn)
hexdump(stdout, "Tag", tag, tn);
mode = EVP_CIPHER_mode(c);
if (kn != EVP_CIPHER_key_length(c)) {
fprintf(stderr, "Key length doesn't match, got %d expected %lu\n", kn,
(unsigned long)EVP_CIPHER_key_length(c));
test1_exit(5);
}
EVP_CIPHER_CTX_init(&ctx);
EVP_CIPHER_CTX_set_flags(&ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
if (encdec != 0) {
if (mode == EVP_CIPH_GCM_MODE) {
if (!EVP_EncryptInit_ex(&ctx, c, NULL, NULL, NULL)) {
fprintf(stderr, "EncryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, in, NULL)) {
fprintf(stderr, "IV length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
if (!EVP_EncryptInit_ex(&ctx, NULL, NULL, key, iv)) {
fprintf(stderr, "Key/IV set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(12);
}
if (an && !EVP_EncryptUpdate(&ctx, NULL, &outl, aad, an)) {
fprintf(stderr, "AAD set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(13);
}
} else if (mode == EVP_CIPH_CCM_MODE) {
if (!EVP_EncryptInit_ex(&ctx, c, NULL, NULL, NULL)) {
fprintf(stderr, "EncryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_CCM_SET_IVLEN, in, NULL)) {
fprintf(stderr, "IV length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_CCM_SET_TAG, tn, NULL)) {
fprintf(stderr, "Tag length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
if (!EVP_EncryptInit_ex(&ctx, NULL, NULL, key, iv)) {
fprintf(stderr, "Key/IV set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(12);
}
if (!EVP_EncryptUpdate(&ctx, NULL, &outl, NULL, pn)) {
fprintf(stderr, "Plaintext length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(12);
}
if (an && !EVP_EncryptUpdate(&ctx, NULL, &outl, aad, an)) {
fprintf(stderr, "AAD set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(13);
}
} else if (mode == EVP_CIPH_WRAP_MODE) {
if (!EVP_EncryptInit_ex(&ctx, c, NULL, key, in ? iv : NULL)) {
fprintf(stderr, "EncryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
} else if (!EVP_EncryptInit_ex(&ctx, c, NULL, key, iv)) {
fprintf(stderr, "EncryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
EVP_CIPHER_CTX_set_padding(&ctx, 0);
if (!EVP_EncryptUpdate(&ctx, out, &outl, plaintext, pn)) {
fprintf(stderr, "Encrypt failed\n");
ERR_print_errors_fp(stderr);
test1_exit(6);
}
if (!EVP_EncryptFinal_ex(&ctx, out + outl, &outl2)) {
fprintf(stderr, "EncryptFinal failed\n");
ERR_print_errors_fp(stderr);
test1_exit(7);
}
if (outl + outl2 != cn) {
fprintf(stderr, "Ciphertext length mismatch got %d expected %d\n",
outl + outl2, cn);
test1_exit(8);
}
if (memcmp(out, ciphertext, cn)) {
fprintf(stderr, "Ciphertext mismatch\n");
hexdump(stderr, "Got", out, cn);
hexdump(stderr, "Expected", ciphertext, cn);
test1_exit(9);
}
if (mode == EVP_CIPH_GCM_MODE || mode == EVP_CIPH_CCM_MODE) {
unsigned char rtag[16];
/*
* Note: EVP_CTRL_CCM_GET_TAG has same value as
* EVP_CTRL_GCM_GET_TAG
*/
if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, tn, rtag)) {
fprintf(stderr, "Get tag failed\n");
ERR_print_errors_fp(stderr);
test1_exit(14);
}
if (memcmp(rtag, tag, tn)) {
fprintf(stderr, "Tag mismatch\n");
hexdump(stderr, "Got", rtag, tn);
hexdump(stderr, "Expected", tag, tn);
test1_exit(9);
}
}
}
if (encdec <= 0) {
if (mode == EVP_CIPH_GCM_MODE) {
if (!EVP_DecryptInit_ex(&ctx, c, NULL, NULL, NULL)) {
fprintf(stderr, "EncryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, in, NULL)) {
fprintf(stderr, "IV length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
if (!EVP_DecryptInit_ex(&ctx, NULL, NULL, key, iv)) {
fprintf(stderr, "Key/IV set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(12);
}
if (!EVP_CIPHER_CTX_ctrl
(&ctx, EVP_CTRL_GCM_SET_TAG, tn, (void *)tag)) {
fprintf(stderr, "Set tag failed\n");
ERR_print_errors_fp(stderr);
test1_exit(14);
}
if (an && !EVP_DecryptUpdate(&ctx, NULL, &outl, aad, an)) {
fprintf(stderr, "AAD set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(13);
}
} else if (mode == EVP_CIPH_CCM_MODE) {
if (!EVP_DecryptInit_ex(&ctx, c, NULL, NULL, NULL)) {
fprintf(stderr, "DecryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_CCM_SET_IVLEN, in, NULL)) {
fprintf(stderr, "IV length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
if (!EVP_CIPHER_CTX_ctrl
(&ctx, EVP_CTRL_CCM_SET_TAG, tn, (void *)tag)) {
fprintf(stderr, "Tag length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
if (!EVP_DecryptInit_ex(&ctx, NULL, NULL, key, iv)) {
fprintf(stderr, "Key/Nonce set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(12);
}
if (!EVP_DecryptUpdate(&ctx, NULL, &outl, NULL, pn)) {
fprintf(stderr, "Plaintext length set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(12);
}
if (an && !EVP_EncryptUpdate(&ctx, NULL, &outl, aad, an)) {
fprintf(stderr, "AAD set failed\n");
ERR_print_errors_fp(stderr);
test1_exit(13);
}
} else if (mode == EVP_CIPH_WRAP_MODE) {
if (!EVP_DecryptInit_ex(&ctx, c, NULL, key, in ? iv : NULL)) {
fprintf(stderr, "EncryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(10);
}
} else if (!EVP_DecryptInit_ex(&ctx, c, NULL, key, iv)) {
fprintf(stderr, "DecryptInit failed\n");
ERR_print_errors_fp(stderr);
test1_exit(11);
}
EVP_CIPHER_CTX_set_padding(&ctx, 0);
if (!EVP_DecryptUpdate(&ctx, out, &outl, ciphertext, cn)) {
fprintf(stderr, "Decrypt failed\n");
ERR_print_errors_fp(stderr);
test1_exit(6);
}
if (mode != EVP_CIPH_CCM_MODE
&& !EVP_DecryptFinal_ex(&ctx, out + outl, &outl2)) {
fprintf(stderr, "DecryptFinal failed\n");
ERR_print_errors_fp(stderr);
test1_exit(7);
}
if (outl + outl2 != pn) {
fprintf(stderr, "Plaintext length mismatch got %d expected %d\n",
outl + outl2, pn);
test1_exit(8);
}
if (memcmp(out, plaintext, pn)) {
fprintf(stderr, "Plaintext mismatch\n");
hexdump(stderr, "Got", out, pn);
hexdump(stderr, "Expected", plaintext, pn);
test1_exit(9);
}
}
EVP_CIPHER_CTX_cleanup(&ctx);
printf("\n");
}
static int test_cipher(const char *cipher, const unsigned char *key, int kn,
const unsigned char *iv, int in,
const unsigned char *plaintext, int pn,
const unsigned char *ciphertext, int cn,
const unsigned char *aad, int an,
const unsigned char *tag, int tn, int encdec)
{
const EVP_CIPHER *c;
c = EVP_get_cipherbyname(cipher);
if (!c)
return 0;
test1(c, key, kn, iv, in, plaintext, pn, ciphertext, cn, aad, an, tag, tn,
encdec);
return 1;
}
static int test_digest(const char *digest,
const unsigned char *plaintext, int pn,
const unsigned char *ciphertext, unsigned int cn)
{
const EVP_MD *d;
EVP_MD_CTX ctx;
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int mdn;
d = EVP_get_digestbyname(digest);
if (!d)
return 0;
printf("Testing digest %s\n", EVP_MD_name(d));
hexdump(stdout, "Plaintext", plaintext, pn);
hexdump(stdout, "Digest", ciphertext, cn);
EVP_MD_CTX_init(&ctx);
if (!EVP_DigestInit_ex(&ctx, d, NULL)) {
fprintf(stderr, "DigestInit failed\n");
ERR_print_errors_fp(stderr);
EXIT(100);
}
if (!EVP_DigestUpdate(&ctx, plaintext, pn)) {
fprintf(stderr, "DigestUpdate failed\n");
ERR_print_errors_fp(stderr);
EXIT(101);
}
if (!EVP_DigestFinal_ex(&ctx, md, &mdn)) {
fprintf(stderr, "DigestFinal failed\n");
ERR_print_errors_fp(stderr);
EXIT(101);
}
EVP_MD_CTX_cleanup(&ctx);
if (mdn != cn) {
fprintf(stderr, "Digest length mismatch, got %d expected %d\n", mdn,
cn);
EXIT(102);
}
if (memcmp(md, ciphertext, cn)) {
fprintf(stderr, "Digest mismatch\n");
hexdump(stderr, "Got", md, cn);
hexdump(stderr, "Expected", ciphertext, cn);
EXIT(103);
}
printf("\n");
EVP_MD_CTX_cleanup(&ctx);
return 1;
}
int main(int argc, char **argv)
{
const char *szTestFile;
FILE *f;
if (argc != 2) {
fprintf(stderr, "%s <test file>\n", argv[0]);
EXIT(1);
}
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
szTestFile = argv[1];
f = fopen(szTestFile, "r");
if (!f) {
perror(szTestFile);
EXIT(2);
}
ERR_load_crypto_strings();
/* Load up the software EVP_CIPHER and EVP_MD definitions */
OpenSSL_add_all_ciphers();
OpenSSL_add_all_digests();
#ifndef OPENSSL_NO_ENGINE
/* Load all compiled-in ENGINEs */
ENGINE_load_builtin_engines();
#endif
#if 0
OPENSSL_config();
#endif
#ifndef OPENSSL_NO_ENGINE
/*
* Register all available ENGINE implementations of ciphers and digests.
* This could perhaps be changed to "ENGINE_register_all_complete()"?
*/
ENGINE_register_all_ciphers();
ENGINE_register_all_digests();
/*
* If we add command-line options, this statement should be switchable.
* It'll prevent ENGINEs being ENGINE_init()ialised for cipher/digest use
* if they weren't already initialised.
*/
/* ENGINE_set_cipher_flags(ENGINE_CIPHER_FLAG_NOINIT); */
#endif
for (;;) {
char line[4096];
char *p;
char *cipher;
unsigned char *iv, *key, *plaintext, *ciphertext, *aad, *tag;
int encdec;
int kn, in, pn, cn;
int an = 0;
int tn = 0;
if (!fgets((char *)line, sizeof line, f))
break;
if (line[0] == '#' || line[0] == '\n')
continue;
p = line;
cipher = sstrsep(&p, ":");
key = ustrsep(&p, ":");
iv = ustrsep(&p, ":");
plaintext = ustrsep(&p, ":");
ciphertext = ustrsep(&p, ":");
if (p[-1] == '\n') {
encdec = -1;
p[-1] = '\0';
tag = aad = NULL;
an = tn = 0;
} else {
aad = ustrsep(&p, ":");
tag = ustrsep(&p, ":");
if (tag == NULL) {
p = (char *)aad;
tag = aad = NULL;
an = tn = 0;
}
if (p[-1] == '\n') {
encdec = -1;
p[-1] = '\0';
} else
encdec = atoi(sstrsep(&p, "\n"));
}
kn = convert(key);
in = convert(iv);
pn = convert(plaintext);
cn = convert(ciphertext);
if (aad) {
an = convert(aad);
tn = convert(tag);
}
if (!test_cipher
(cipher, key, kn, iv, in, plaintext, pn, ciphertext, cn, aad, an,
tag, tn, encdec)
&& !test_digest(cipher, plaintext, pn, ciphertext, cn)) {
#ifdef OPENSSL_NO_AES
if (strstr(cipher, "AES") == cipher) {
fprintf(stdout, "Cipher disabled, skipping %s\n", cipher);
continue;
}
#endif
#ifdef OPENSSL_NO_DES
if (strstr(cipher, "DES") == cipher) {
fprintf(stdout, "Cipher disabled, skipping %s\n", cipher);
continue;
}
#endif
#ifdef OPENSSL_NO_RC4
if (strstr(cipher, "RC4") == cipher) {
fprintf(stdout, "Cipher disabled, skipping %s\n", cipher);
continue;
}
#endif
#ifdef OPENSSL_NO_CAMELLIA
if (strstr(cipher, "CAMELLIA") == cipher) {
fprintf(stdout, "Cipher disabled, skipping %s\n", cipher);
continue;
}
#endif
#ifdef OPENSSL_NO_SEED
if (strstr(cipher, "SEED") == cipher) {
fprintf(stdout, "Cipher disabled, skipping %s\n", cipher);
continue;
}
#endif
fprintf(stderr, "Can't find %s\n", cipher);
EXIT(3);
}
}
fclose(f);
#ifndef OPENSSL_NO_ENGINE
ENGINE_cleanup();
#endif
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
ERR_remove_thread_state(NULL);
ERR_free_strings();
CRYPTO_mem_leaks_fp(stderr);
return 0;
}
