422 lines
12 KiB
C
422 lines
12 KiB
C
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.] */
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#include <stdio.h>
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#include <string.h>
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#include <openssl/bio.h>
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#include <openssl/cipher.h>
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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static void hexdump(FILE *f, const char *title, const uint8_t *s, int l) {
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int n = 0;
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fprintf(f, "%s", title);
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for (; n < l; ++n) {
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if ((n % 16) == 0) {
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fprintf(f, "\n%04x", n);
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}
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fprintf(f, " %02x", s[n]);
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}
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fprintf(f, "\n");
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}
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static int convert(uint8_t *s) {
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uint8_t *d;
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for (d = s; *s; s += 2, ++d) {
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unsigned int n;
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if (!s[1]) {
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fprintf(stderr, "Odd number of hex digits!");
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exit(4);
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}
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sscanf((char *)s, "%2x", &n);
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*d = (uint8_t)n;
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}
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return s - d;
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}
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static char *sstrsep(char **string, const char *delim) {
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char isdelim[256];
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char *token = *string;
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if (**string == 0) {
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return NULL;
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}
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memset(isdelim, 0, 256);
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isdelim[0] = 1;
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while (*delim) {
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isdelim[(uint8_t)(*delim)] = 1;
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delim++;
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}
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while (!isdelim[(uint8_t)(**string)]) {
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(*string)++;
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}
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if (**string) {
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**string = 0;
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(*string)++;
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}
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return token;
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}
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static uint8_t *ustrsep(char **p, const char *sep) {
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return (uint8_t *)sstrsep(p, sep);
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}
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static void test1(const EVP_CIPHER *c, const uint8_t *key, int kn,
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const uint8_t *iv, int in, const uint8_t *plaintext, int pn,
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const uint8_t *ciphertext, int cn, const uint8_t *aad, int an,
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const uint8_t *tag, int tn, int encdec) {
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EVP_CIPHER_CTX ctx;
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uint8_t out[4096];
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int outl, outl2, mode;
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printf("Testing cipher %s%s\n", EVP_CIPHER_name(c),
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(encdec == 1 ? "(encrypt)"
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: (encdec == 0 ? "(decrypt)" : "(encrypt/decrypt)")));
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hexdump(stdout, "Key", key, kn);
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if (in) {
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hexdump(stdout, "IV", iv, in);
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}
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hexdump(stdout, "Plaintext", plaintext, pn);
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hexdump(stdout, "Ciphertext", ciphertext, cn);
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if (an) {
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hexdump(stdout, "AAD", aad, an);
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}
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if (tn) {
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hexdump(stdout, "Tag", tag, tn);
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}
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mode = EVP_CIPHER_mode(c);
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if (kn != EVP_CIPHER_key_length(c)) {
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fprintf(stderr, "Key length doesn't match, got %d expected %lu\n", kn,
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(unsigned long)EVP_CIPHER_key_length(c));
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exit(5);
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}
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EVP_CIPHER_CTX_init(&ctx);
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if (encdec != 0) {
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if (mode == EVP_CIPH_GCM_MODE) {
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if (!EVP_EncryptInit_ex(&ctx, c, NULL, NULL, NULL)) {
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fprintf(stderr, "EncryptInit failed\n");
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BIO_print_errors_fp(stderr);
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exit(10);
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}
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if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, in, NULL)) {
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fprintf(stderr, "IV length set failed\n");
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BIO_print_errors_fp(stderr);
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exit(11);
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}
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if (!EVP_EncryptInit_ex(&ctx, NULL, NULL, key, iv)) {
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fprintf(stderr, "Key/IV set failed\n");
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BIO_print_errors_fp(stderr);
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exit(12);
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}
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if (an && !EVP_EncryptUpdate(&ctx, NULL, &outl, aad, an)) {
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fprintf(stderr, "AAD set failed\n");
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BIO_print_errors_fp(stderr);
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exit(13);
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}
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} else if (!EVP_EncryptInit_ex(&ctx, c, NULL, key, iv)) {
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fprintf(stderr, "EncryptInit failed\n");
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BIO_print_errors_fp(stderr);
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exit(10);
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}
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EVP_CIPHER_CTX_set_padding(&ctx, 0);
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if (!EVP_EncryptUpdate(&ctx, out, &outl, plaintext, pn)) {
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fprintf(stderr, "Encrypt failed\n");
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BIO_print_errors_fp(stderr);
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exit(6);
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}
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if (!EVP_EncryptFinal_ex(&ctx, out + outl, &outl2)) {
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fprintf(stderr, "EncryptFinal failed\n");
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BIO_print_errors_fp(stderr);
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exit(7);
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}
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if (outl + outl2 != cn) {
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fprintf(stderr, "Ciphertext length mismatch got %d expected %d\n",
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outl + outl2, cn);
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exit(8);
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}
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if (memcmp(out, ciphertext, cn)) {
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fprintf(stderr, "Ciphertext mismatch\n");
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hexdump(stderr, "Got", out, cn);
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hexdump(stderr, "Expected", ciphertext, cn);
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exit(9);
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}
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if (mode == EVP_CIPH_GCM_MODE) {
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uint8_t rtag[16];
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/* Note: EVP_CTRL_CCM_GET_TAG has same value as
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* EVP_CTRL_GCM_GET_TAG
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*/
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if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, tn, rtag)) {
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fprintf(stderr, "Get tag failed\n");
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BIO_print_errors_fp(stderr);
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exit(14);
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}
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if (memcmp(rtag, tag, tn)) {
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fprintf(stderr, "Tag mismatch\n");
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hexdump(stderr, "Got", rtag, tn);
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hexdump(stderr, "Expected", tag, tn);
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exit(9);
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}
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}
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}
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if (encdec <= 0) {
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if (mode == EVP_CIPH_GCM_MODE) {
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if (!EVP_DecryptInit_ex(&ctx, c, NULL, NULL, NULL)) {
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fprintf(stderr, "EncryptInit failed\n");
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BIO_print_errors_fp(stderr);
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exit(10);
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}
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if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, in, NULL)) {
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fprintf(stderr, "IV length set failed\n");
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BIO_print_errors_fp(stderr);
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exit(11);
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}
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if (!EVP_DecryptInit_ex(&ctx, NULL, NULL, key, iv)) {
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fprintf(stderr, "Key/IV set failed\n");
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BIO_print_errors_fp(stderr);
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exit(12);
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}
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if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, tn, (void *)tag)) {
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fprintf(stderr, "Set tag failed\n");
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BIO_print_errors_fp(stderr);
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exit(14);
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}
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if (an && !EVP_DecryptUpdate(&ctx, NULL, &outl, aad, an)) {
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fprintf(stderr, "AAD set failed\n");
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BIO_print_errors_fp(stderr);
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exit(13);
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}
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} else if (!EVP_DecryptInit_ex(&ctx, c, NULL, key, iv)) {
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fprintf(stderr, "DecryptInit failed\n");
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BIO_print_errors_fp(stderr);
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exit(11);
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}
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EVP_CIPHER_CTX_set_padding(&ctx, 0);
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if (!EVP_DecryptUpdate(&ctx, out, &outl, ciphertext, cn)) {
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fprintf(stderr, "Decrypt failed\n");
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BIO_print_errors_fp(stderr);
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exit(6);
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}
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outl2 = 0;
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if (!EVP_DecryptFinal_ex(&ctx, out + outl, &outl2)) {
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fprintf(stderr, "DecryptFinal failed\n");
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BIO_print_errors_fp(stderr);
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exit(7);
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}
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if (outl + outl2 != pn) {
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fprintf(stderr, "Plaintext length mismatch got %d expected %d\n",
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outl + outl2, pn);
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exit(8);
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}
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if (memcmp(out, plaintext, pn)) {
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fprintf(stderr, "Plaintext mismatch\n");
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hexdump(stderr, "Got", out, pn);
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hexdump(stderr, "Expected", plaintext, pn);
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exit(9);
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}
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}
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EVP_CIPHER_CTX_cleanup(&ctx);
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printf("\n");
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}
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static int test_cipher(const char *cipher, const uint8_t *key, int kn,
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const uint8_t *iv, int in, const uint8_t *plaintext,
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int pn, const uint8_t *ciphertext, int cn,
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const uint8_t *aad, int an, const uint8_t *tag, int tn,
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int encdec) {
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const EVP_CIPHER *c;
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if (strcmp(cipher, "DES-CBC") == 0) {
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c = EVP_des_cbc();
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} else if (strcmp(cipher, "DES-EDE3-CBC") == 0) {
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c = EVP_des_ede3_cbc();
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} else if (strcmp(cipher, "RC4") == 0) {
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c = EVP_rc4();
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} else if (strcmp(cipher, "AES-128-ECB") == 0) {
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c = EVP_aes_128_ecb();
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} else if (strcmp(cipher, "AES-256-ECB") == 0) {
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c = EVP_aes_256_ecb();
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} else if (strcmp(cipher, "AES-128-CBC") == 0) {
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c = EVP_aes_128_cbc();
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} else if (strcmp(cipher, "AES-128-GCM") == 0) {
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c = EVP_aes_128_gcm();
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} else if (strcmp(cipher, "AES-128-OFB") == 0) {
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c = EVP_aes_128_ofb();
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} else if (strcmp(cipher, "AES-192-CBC") == 0) {
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c = EVP_aes_192_cbc();
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} else if (strcmp(cipher, "AES-256-CBC") == 0) {
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c = EVP_aes_256_cbc();
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} else if (strcmp(cipher, "AES-128-CTR") == 0) {
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c = EVP_aes_128_ctr();
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} else if (strcmp(cipher, "AES-256-CTR") == 0) {
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c = EVP_aes_256_ctr();
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} else if (strcmp(cipher, "AES-256-GCM") == 0) {
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c = EVP_aes_256_gcm();
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} else if (strcmp(cipher, "AES-256-OFB") == 0) {
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c = EVP_aes_256_ofb();
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} else {
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fprintf(stderr, "Unknown cipher type %s\n", cipher);
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return 0;
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}
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test1(c, key, kn, iv, in, plaintext, pn, ciphertext, cn, aad, an, tag, tn,
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encdec);
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return 1;
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}
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int main(int argc, char **argv) {
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const char *input_file;
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FILE *f;
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CRYPTO_library_init();
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if (argc != 2) {
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fprintf(stderr, "%s <test file>\n", argv[0]);
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return 1;
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}
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input_file = argv[1];
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f = fopen(input_file, "r");
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if (!f) {
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perror(input_file);
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return 2;
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}
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ERR_load_crypto_strings();
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for (;;) {
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char line[4096];
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char *p;
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char *cipher;
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uint8_t *iv, *key, *plaintext, *ciphertext, *aad, *tag;
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int encdec;
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int kn, in, pn, cn;
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int an = 0;
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int tn = 0;
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if (!fgets((char *)line, sizeof line, f)) {
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break;
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}
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if (line[0] == '#' || line[0] == '\n') {
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continue;
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}
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p = line;
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cipher = sstrsep(&p, ":");
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key = ustrsep(&p, ":");
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iv = ustrsep(&p, ":");
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plaintext = ustrsep(&p, ":");
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ciphertext = ustrsep(&p, ":");
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if (p[-1] == '\n') {
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encdec = -1;
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p[-1] = '\0';
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tag = aad = NULL;
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an = tn = 0;
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} else {
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aad = ustrsep(&p, ":");
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tag = ustrsep(&p, ":");
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if (tag == NULL) {
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p = (char *)aad;
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tag = aad = NULL;
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an = tn = 0;
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}
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if (p[-1] == '\n') {
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encdec = -1;
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p[-1] = '\0';
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} else {
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encdec = atoi(sstrsep(&p, "\n"));
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}
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}
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kn = convert(key);
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in = convert(iv);
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pn = convert(plaintext);
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cn = convert(ciphertext);
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if (aad) {
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an = convert(aad);
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tn = convert(tag);
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}
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if (!test_cipher(cipher, key, kn, iv, in, plaintext, pn, ciphertext, cn,
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aad, an, tag, tn, encdec)) {
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return 3;
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}
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}
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fclose(f);
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printf("PASS\n");
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return 0;
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}
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