From 307e3978b973ff4566b69f631096deba117b51ea Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Mon, 9 Feb 2015 17:29:47 +0000 Subject: [PATCH] Initial version of new evp_test program. Reviewed-by: Andy Polyakov --- crypto/evp/evp_test.c | 1043 ++++++++++++++++++++++------------------- 1 file changed, 567 insertions(+), 476 deletions(-) diff --git a/crypto/evp/evp_test.c b/crypto/evp/evp_test.c index ea332ae34b..a74dd4c52a 100644 --- a/crypto/evp/evp_test.c +++ b/crypto/evp/evp_test.c @@ -1,6 +1,10 @@ -/* Written by Ben Laurie, 2001 */ +/* evp_test.c */ /* - * Copyright (c) 2001 The OpenSSL Project. All rights reserved. + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 2015 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 @@ -17,12 +21,12 @@ * 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/)" + * 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. + * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written @@ -31,7 +35,7 @@ * 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/)" + * 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 @@ -45,553 +49,640 @@ * 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 #include - -#include "../e_os.h" - -#include +#include +#include #include -#ifndef OPENSSL_NO_ENGINE -# include -#endif #include -#include +#include -static void hexdump(FILE *f, const char *title, const unsigned char *s, int l) +/* Remove spaces from beginning and end of a string */ + +static void remove_space(char **pval) { - int n = 0; + unsigned char *p = (unsigned char *)*pval; - 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"); + while (isspace(*p)) + p++; + + *pval = (char *)p; + + p = p + strlen(*pval) - 1; + + /* Remove trailing space */ + while (isspace(*p)) + *p-- = 0; } -static int convert(unsigned char *s) +/* + * Given a line of the form: + * name = value # comment + * extract name and value. NB: modifies passed buffer. + */ + +static int parse_line(char **pkw, char **pval, char *linebuf) { - unsigned char *d; + char *p; - for (d = s; *s; s += 2, ++d) { - unsigned int n; + p = linebuf + strlen(linebuf) - 1; - if (!s[1]) { - fprintf(stderr, "Odd number of hex digits!"); - EXIT(4); - } - sscanf((char *)s, "%2x", &n); - *d = (unsigned char)n; + if (*p != '\n') { + fprintf(stderr, "FATAL: missing EOL\n"); + exit(1); } - return s - d; -} -static char *sstrsep(char **string, const char *delim) -{ - char isdelim[256]; - char *token = *string; + /* Look for # */ - if (**string == 0) - return NULL; + p = strchr(linebuf, '#'); - memset(isdelim, 0, 256); - isdelim[0] = 1; + if (p) + *p = '\0'; - while (*delim) { - isdelim[(unsigned char)(*delim)] = 1; - delim++; - } + /* Look for = sign */ + p = strchr(linebuf, '='); - while (!isdelim[(unsigned char)(**string)]) { - (*string)++; - } + /* If no '=' exit */ + if (!p) + return 0; - if (**string) { - **string = 0; - (*string)++; - } + *p++ = '\0'; - return token; -} + *pkw = linebuf; + *pval = p; -static unsigned char *ustrsep(char **p, const char *sep) -{ - return (unsigned char *)sstrsep(p, sep); + /* Remove spaces from keyword and value */ + remove_space(pkw); + remove_space(pval); + + return 1; } -static int test1_exit(int ec) +/* For a hex string "value" convert to a binary allocated buffer */ +static int test_bin(const char *value, unsigned char **buf, size_t *buflen) { - EXIT(ec); + long len; + if (!*value) { + /* Don't return NULL for zero length buffer */ + *buf = OPENSSL_malloc(1); + if (!*buf) + return 0; + **buf = 0; + *buflen = 0; + return 1; + } + *buf = string_to_hex(value, &len); + if (!*buf) { + fprintf(stderr, "Value=%s\n", value); + ERR_print_errors_fp(stderr); + return -1; + } + /* Size of input buffer means we'll never overflow */ + *buflen = len; + return 1; } -/* Test copying of contexts */ -static void test_ctx_replace(EVP_CIPHER_CTX **pctx) +/* Structure holding test information */ +struct evp_test { + /* method for this test */ + const struct evp_test_method *meth; + /* current line being processed */ + unsigned int line; + /* start line of current test */ + unsigned int start_line; + /* Error string for test */ + const char *err; + /* Expected error value of test */ + char *expected_err; + /* Number of tests */ + int ntests; + /* Error count */ + int errors; + /* test specific data */ + void *data; +}; +/* Test method structure */ +struct evp_test_method { + /* Name of test as it appears in file */ + const char *name; + /* Initialise test for "alg" */ + int (*init) (struct evp_test * t, const char *alg); + /* Clean up method */ + void (*cleanup) (struct evp_test * t); + /* Test specific name value pair processing */ + int (*parse) (struct evp_test * t, const char *name, const char *value); + /* Run the test itself */ + int (*run_test) (struct evp_test * t); +}; + +static const struct evp_test_method digest_test_method, cipher_test_method; +static const struct evp_test_method aead_test_method; + +static const struct evp_test_method *evp_test_list[] = { + &digest_test_method, + &cipher_test_method, + NULL, +}; + +static const struct evp_test_method *evp_find_test(const char *name) { - /* Make copy of context and replace original */ - EVP_CIPHER_CTX *ctx_copy; - ctx_copy = EVP_CIPHER_CTX_new(); - EVP_CIPHER_CTX_copy(ctx_copy, *pctx); - EVP_CIPHER_CTX_free(*pctx); - *pctx = ctx_copy; + const struct evp_test_method **tt; + for (tt = evp_test_list; *tt; tt++) { + if (!strcmp(name, (*tt)->name)) + return *tt; + } + return NULL; } -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) +static int check_test_error(struct evp_test *t) { - EVP_CIPHER_CTX *ctx = NULL; - 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); + if (!t->err && !t->expected_err) + return 1; + if (t->err && !t->expected_err) { + fprintf(stderr, "Test line %d: unexpected error %s\n", + t->start_line, t->err); + return 0; } - ctx = EVP_CIPHER_CTX_new(); - EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW); - if (encdec != 0) { - if ((mode == EVP_CIPH_GCM_MODE) || (mode == EVP_CIPH_OCB_MODE) - || (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_AEAD_SET_IVLEN, in, NULL)) { - fprintf(stderr, "IV length set failed\n"); - ERR_print_errors_fp(stderr); - test1_exit(11); - } - if ((mode != EVP_CIPH_GCM_MODE) && - !EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, tn, NULL)) { - fprintf(stderr, "Tag length set failed\n"); - ERR_print_errors_fp(stderr); - test1_exit(15); - } - 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 ((mode == EVP_CIPH_CCM_MODE) && - !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); - - test_ctx_replace(&ctx); + if (!t->err && t->expected_err) { + fprintf(stderr, "Test line %d: succeeded expecting %s\n", + t->start_line, t->expected_err); + return 0; + } + if (!strcmp(t->err, t->expected_err)) + return 1; - 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); - } + fprintf(stderr, "Test line %d: expecting %s got %s\n", + t->start_line, t->expected_err, t->err); + return 0; +} - if (outl + outl2 != cn) { - fprintf(stderr, "Ciphertext length mismatch got %d expected %d\n", - outl + outl2, cn); - test1_exit(8); - } +/* Setup a new test, run any existing test */ - if (memcmp(out, ciphertext, cn)) { - fprintf(stderr, "Ciphertext mismatch\n"); - hexdump(stderr, "Got", out, cn); - hexdump(stderr, "Expected", ciphertext, cn); - test1_exit(9); +static int setup_test(struct evp_test *t, const struct evp_test_method *tmeth) +{ + /* If we already have a test set up run it */ + if (t->meth) { + t->ntests++; + t->err = NULL; + if (t->meth->run_test(t) != 1) { + fprintf(stderr, "%s test error line %d\n", + t->meth->name, t->start_line); + return 0; } - if ((mode == EVP_CIPH_GCM_MODE) || (mode == EVP_CIPH_OCB_MODE) - || (mode == EVP_CIPH_CCM_MODE)) { - unsigned char rtag[16]; - - if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, tn, rtag)) { - fprintf(stderr, "Get tag failed\n"); + if (!check_test_error(t)) { + if (t->err) 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); - } + t->errors++; } - } - - if (encdec <= 0) { - if ((mode == EVP_CIPH_GCM_MODE) || (mode == EVP_CIPH_OCB_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_AEAD_SET_IVLEN, in, NULL)) { - fprintf(stderr, "IV length set failed\n"); - ERR_print_errors_fp(stderr); - test1_exit(11); - } - if ((mode == EVP_CIPH_OCB_MODE) && - !EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, tn, NULL)) { - fprintf(stderr, "Tag length set failed\n"); - ERR_print_errors_fp(stderr); - test1_exit(15); - } - 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_AEAD_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_AEAD_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_AEAD_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); + ERR_clear_error(); + t->meth->cleanup(t); + /* If new test type free old data */ + if (tmeth != t->meth && t->data) { + OPENSSL_free(t->data); + t->data = NULL; } - EVP_CIPHER_CTX_set_padding(ctx, 0); - - test_ctx_replace(&ctx); - - 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 (t->expected_err) { + OPENSSL_free(t->expected_err); + t->expected_err = NULL; } + } + t->meth = tmeth; + return 1; +} - if (outl + outl2 != pn) { - fprintf(stderr, "Plaintext length mismatch got %d expected %d\n", - outl + outl2, pn); - test1_exit(8); +static int process_test(struct evp_test *t, char *buf, int verbose) +{ + char *keyword, *value; + int rv = 0; + const struct evp_test_method *tmeth; + if (verbose) + fputs(buf, stdout); + if (!parse_line(&keyword, &value, buf)) + return 1; + /* See if keyword corresponds to a test start */ + tmeth = evp_find_test(keyword); + if (tmeth) { + if (!setup_test(t, tmeth)) + return 0; + t->start_line = t->line; + if (!tmeth->init(t, value)) { + fprintf(stderr, "Unknown %s: %s\n", keyword, value); + return 0; } - - if (memcmp(out, plaintext, pn)) { - fprintf(stderr, "Plaintext mismatch\n"); - hexdump(stderr, "Got", out, pn); - hexdump(stderr, "Expected", plaintext, pn); - test1_exit(9); + return 1; + } else if (!strcmp(keyword, "Result")) { + if (t->expected_err) { + fprintf(stderr, "Line %d: multiple result lines\n", t->line); + return 0; } + t->expected_err = BUF_strdup(value); + if (!t->expected_err) + return 0; + } else { + /* Must be test specific line: try to parse it */ + if (t->meth) + rv = t->meth->parse(t, keyword, value); + + if (rv == 0) + fprintf(stderr, "line %d: unexpected keyword %s\n", + t->line, keyword); + + if (rv < 0) + fprintf(stderr, "line %d: error processing keyword %s\n", + t->line, keyword); + if (rv <= 0) + return 0; } + return 1; +} - EVP_CIPHER_CTX_free(ctx); +int main(int argc, char **argv) +{ + FILE *in = NULL; + char buf[10240]; + struct evp_test t; - printf("\n"); + ERR_load_crypto_strings(); + OpenSSL_add_all_algorithms(); + t.meth = NULL; + t.err = NULL; + t.line = 0; + t.start_line = -1; + t.errors = 0; + t.ntests = 0; + in = fopen(argv[1], "r"); + while (fgets(buf, sizeof(buf), in)) { + t.line++; + if (!process_test(&t, buf, 0)) + exit(1); + } + /* Run any final test we have */ + if (!setup_test(&t, NULL)) + exit(1); + fprintf(stderr, "%d tests completed with %d errors\n", + t.ntests, t.errors); + fclose(in); + return 0; } -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) +static void test_free(void *d) { - const EVP_CIPHER *c; + if (d) + OPENSSL_free(d); +} -#ifdef OPENSSL_NO_OCB - if (strstr(cipher, "ocb") != NULL) - return 1; -#endif - c = EVP_get_cipherbyname(cipher); - if (!c) - return 0; +/* Message digest tests */ - test1(c, key, kn, iv, in, plaintext, pn, ciphertext, cn, aad, an, tag, tn, - encdec); +struct digest_data { + /* Digest this test is for */ + const EVP_MD *digest; + /* Input to digest */ + unsigned char *input; + size_t input_len; + /* Expected output */ + unsigned char *output; + size_t output_len; +}; +static int digest_test_init(struct evp_test *t, const char *alg) +{ + const EVP_MD *digest; + struct digest_data *mdat = t->data; + digest = EVP_get_digestbyname(alg); + if (!digest) + return 0; + mdat = OPENSSL_malloc(sizeof(struct digest_data)); + mdat->digest = digest; + mdat->input = NULL; + mdat->output = NULL; + t->data = mdat; return 1; } -static int test_digest(const char *digest, - const unsigned char *plaintext, int pn, - const unsigned char *ciphertext, unsigned int cn) +static void digest_test_cleanup(struct evp_test *t) +{ + struct digest_data *mdat = t->data; + test_free(mdat->input); + test_free(mdat->output); +} + +static int digest_test_parse(struct evp_test *t, + const char *keyword, const char *value) +{ + struct digest_data *mdata = t->data; + if (!strcmp(keyword, "Input")) + return test_bin(value, &mdata->input, &mdata->input_len); + if (!strcmp(keyword, "Output")) + return test_bin(value, &mdata->output, &mdata->output_len); + return 0; +} + +static int digest_test_run(struct evp_test *t) { - const EVP_MD *d; - EVP_MD_CTX ctx; + struct digest_data *mdata = t->data; + const char *err = "INTERNAL_ERROR"; + EVP_MD_CTX *mctx; unsigned char md[EVP_MAX_MD_SIZE]; - unsigned int mdn; + unsigned int md_len; + mctx = EVP_MD_CTX_create(); + if (!mctx) + goto err; + err = "DIGESTINIT_ERROR"; + if (!EVP_DigestInit_ex(mctx, mdata->digest, NULL)) + goto err; + err = "DIGESTUPDATE_ERROR"; + if (!EVP_DigestUpdate(mctx, mdata->input, mdata->input_len)) + goto err; + err = "DIGESTFINAL_ERROR"; + if (!EVP_DigestFinal(mctx, md, &md_len)) + goto err; + err = "DIGEST_LENGTH_MISMATCH"; + if (md_len != mdata->output_len) + goto err; + err = "DIGEST_MISMATCH"; + if (memcmp(mdata->output, md, md_len)) + goto err; + err = NULL; + err: + if (mctx) + EVP_MD_CTX_destroy(mctx); + t->err = err; + return err ? 0 : 1; +} - d = EVP_get_digestbyname(digest); - if (!d) +static const struct evp_test_method digest_test_method = { + "Digest", + digest_test_init, + digest_test_cleanup, + digest_test_parse, + digest_test_run +}; + +/* Cipher tests */ +struct cipher_data { + const EVP_CIPHER *cipher; + int enc; + /* Set to EVP_CIPH_GCM_MODE or EVP_CIPH_CCM_MODE if AEAD */ + int aead; + unsigned char *key; + size_t key_len; + unsigned char *iv; + size_t iv_len; + unsigned char *plaintext; + size_t plaintext_len; + unsigned char *ciphertext; + size_t ciphertext_len; + /* GCM, CCM only */ + unsigned char *aad; + size_t aad_len; + unsigned char *tag; + size_t tag_len; +}; + +static int cipher_test_init(struct evp_test *t, const char *alg) +{ + const EVP_CIPHER *cipher; + struct cipher_data *cdat = t->data; + cipher = EVP_get_cipherbyname(alg); + if (!cipher) return 0; + cdat = OPENSSL_malloc(sizeof(struct cipher_data)); + cdat->cipher = cipher; + cdat->enc = -1; + cdat->key = NULL; + cdat->iv = NULL; + cdat->ciphertext = NULL; + cdat->plaintext = NULL; + cdat->aad = NULL; + cdat->tag = NULL; + t->data = cdat; + if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE + || EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE) + cdat->aead = EVP_CIPHER_mode(cipher); + else + cdat->aead = 0; - printf("Testing digest %s\n", EVP_MD_name(d)); - hexdump(stdout, "Plaintext", plaintext, pn); - hexdump(stdout, "Digest", ciphertext, cn); + return 1; +} - 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); +static void cipher_test_cleanup(struct evp_test *t) +{ + struct cipher_data *cdat = t->data; + test_free(cdat->key); + test_free(cdat->iv); + test_free(cdat->ciphertext); + test_free(cdat->plaintext); + test_free(cdat->aad); + test_free(cdat->tag); +} - if (mdn != cn) { - fprintf(stderr, "Digest length mismatch, got %d expected %d\n", mdn, - cn); - EXIT(102); +static int cipher_test_parse(struct evp_test *t, const char *keyword, + const char *value) +{ + struct cipher_data *cdat = t->data; + if (!strcmp(keyword, "Key")) + return test_bin(value, &cdat->key, &cdat->key_len); + if (!strcmp(keyword, "IV")) + return test_bin(value, &cdat->iv, &cdat->iv_len); + if (!strcmp(keyword, "Plaintext")) + return test_bin(value, &cdat->plaintext, &cdat->plaintext_len); + if (!strcmp(keyword, "Ciphertext")) + return test_bin(value, &cdat->ciphertext, &cdat->ciphertext_len); + if (cdat->aead) { + if (!strcmp(keyword, "AAD")) + return test_bin(value, &cdat->aad, &cdat->aad_len); + if (!strcmp(keyword, "Tag")) + return test_bin(value, &cdat->tag, &cdat->tag_len); } - if (memcmp(md, ciphertext, cn)) { - fprintf(stderr, "Digest mismatch\n"); - hexdump(stderr, "Got", md, cn); - hexdump(stderr, "Expected", ciphertext, cn); - EXIT(103); + if (!strcmp(keyword, "Operation")) { + if (!strcmp(value, "ENCRYPT")) + cdat->enc = 1; + else if (!strcmp(value, "DECRYPT")) + cdat->enc = 0; + else + return 0; + return 1; } - - printf("\n"); - - EVP_MD_CTX_cleanup(&ctx); - - return 1; + return 0; } -int main(int argc, char **argv) +static int cipher_test_enc(struct evp_test *t, int enc) { - const char *szTestFile; - FILE *f; - - if (argc != 2) { - fprintf(stderr, "%s \n", argv[0]); - EXIT(1); + struct cipher_data *cdat = t->data; + unsigned char *in, *out, *tmp = NULL; + size_t in_len, out_len; + int tmplen, tmpflen; + EVP_CIPHER_CTX *ctx = NULL; + const char *err; + err = "INTERNAL_ERROR"; + ctx = EVP_CIPHER_CTX_new(); + if (!ctx) + goto err; + EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW); + if (enc) { + in = cdat->plaintext; + in_len = cdat->plaintext_len; + out = cdat->ciphertext; + out_len = cdat->ciphertext_len; + } else { + in = cdat->ciphertext; + in_len = cdat->ciphertext_len; + out = cdat->plaintext; + out_len = cdat->plaintext_len; } - 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); + tmp = OPENSSL_malloc(in_len + 2 * EVP_MAX_BLOCK_LENGTH); + if (!tmp) + goto err; + err = "CIPHERINIT_ERROR"; + if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc)) + goto err; + err = "INVALID_IV_LENGTH"; + if (cdat->iv) { + if (cdat->aead == EVP_CIPH_GCM_MODE) { + if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, + cdat->iv_len, 0)) + goto err; + } else if (cdat->aead == EVP_CIPH_CCM_MODE) { + if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_IVLEN, + cdat->iv_len, 0)) + goto err; + } else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx)) + goto err; } - 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 -#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; + if (cdat->aead) { + unsigned char *tag; + /* + * If encrypting just set tag length. If decrypting set + * tag length and value. + */ + if (enc) { + err = "TAG_LENGTH_SET_ERROR"; + tag = NULL; } 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")); + err = "TAG_SET_ERROR"; + tag = cdat->tag; } - - kn = convert(key); - in = convert(iv); - pn = convert(plaintext); - cn = convert(ciphertext); - if (aad) { - an = convert(aad); - tn = convert(tag); + if (cdat->aead == EVP_CIPH_GCM_MODE && tag) { + if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, + cdat->tag_len, tag)) + goto err; + } else if (cdat->aead == EVP_CIPH_CCM_MODE) { + if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, + cdat->tag_len, tag)) + goto err; } + } - 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); + err = "INVALID_KEY_LENGTH"; + if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len)) + goto err; + err = "KEY_SET_ERROR"; + if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1)) + goto err; + + if (cdat->aead == EVP_CIPH_CCM_MODE) { + if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) { + err = "CCM_PLAINTEXT_LENGTH_SET_ERROR"; + goto err; } } - 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); + if (cdat->aad) { + if (!EVP_CipherUpdate(ctx, NULL, &tmplen, cdat->aad, cdat->aad_len)) { + err = "AAD_SET_ERROR"; + goto err; + } + } + EVP_CIPHER_CTX_set_padding(ctx, 0); + err = "CIPHERUPDATE_ERROR"; + if (!EVP_CipherUpdate(ctx, tmp, &tmplen, in, in_len)) + goto err; + if (cdat->aead == EVP_CIPH_CCM_MODE) + tmpflen = 0; + else { + err = "CIPHERFINAL_ERROR"; + if (!EVP_CipherFinal_ex(ctx, tmp + tmplen, &tmpflen)) + goto err; + } + err = "LENGTH_MISMATCH"; + if (out_len != (size_t)(tmplen + tmpflen)) + goto err; + err = "VALUE_MISMATCH"; + if (memcmp(out, tmp, out_len)) + goto err; + if (enc && cdat->aead) { + unsigned char rtag[16]; + if (cdat->tag_len > sizeof(rtag)) { + err = "TAG_LENGTH_INTERNAL_ERROR"; + goto err; + } + /* EVP_CTRL_CCM_GET_TAG and EVP_CTRL_GCM_GET_TAG are equal. */ + if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, + cdat->tag_len, rtag)) { + err = "TAG_RETRIEVE_ERROR"; + goto err; + } + if (memcmp(cdat->tag, rtag, cdat->tag_len)) { + err = "TAG_VALUE_MISMATCH"; + goto err; + } + } + err = NULL; + err: + if (tmp) + OPENSSL_free(tmp); + EVP_CIPHER_CTX_free(ctx); + t->err = err; + return err ? 0 : 1; +} - return 0; +static int cipher_test_run(struct evp_test *t) +{ + struct cipher_data *cdat = t->data; + int rv; + if (!cdat->key) { + t->err = "NO_KEY"; + return 0; + } + if (!cdat->iv && EVP_CIPHER_iv_length(cdat->cipher)) { + /* IV is optional and usually omitted in wrap mode */ + if (EVP_CIPHER_mode(cdat->cipher) != EVP_CIPH_WRAP_MODE) { + t->err = "NO_IV"; + return 0; + } + } + if (cdat->aead && !cdat->tag) { + t->err = "NO_TAG"; + return 0; + } + if (cdat->enc) { + rv = cipher_test_enc(t, 1); + /* Not fatal errors: return */ + if (rv != 1) { + if (rv < 0) + return 0; + return 1; + } + } + if (cdat->enc != 1) { + rv = cipher_test_enc(t, 0); + /* Not fatal errors: return */ + if (rv != 1) { + if (rv < 0) + return 0; + return 1; + } + } + return 1; } + +static const struct evp_test_method cipher_test_method = { + "Cipher", + cipher_test_init, + cipher_test_cleanup, + cipher_test_parse, + cipher_test_run +}; -- 2.40.0