diff --git a/lib/des/test_rsa.c b/lib/des/test_rsa.c new file mode 100644 index 000000000..ba9382ef0 --- /dev/null +++ b/lib/des/test_rsa.c @@ -0,0 +1,241 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS 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 INSTITUTE OR 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. + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#ifdef RCSID +RCSID("$Id$"); +#endif + +#include + +#include +#include + +#include +#include + +static void +check_rsa(const unsigned char *in, size_t len, RSA *rsa, int padding) +{ + unsigned char *res, *res2; + int keylen; + + res = malloc(RSA_size(rsa)); + if (res == NULL) + errx(1, "res: ENOMEM"); + + res2 = malloc(RSA_size(rsa)); + if (res2 == NULL) + errx(1, "res2: ENOMEM"); + + /* signing */ + + keylen = RSA_private_encrypt(len, in, res, rsa, padding); + if (keylen <= 0) + errx(1, "failed to private encrypt: %d", (int)len, (int)keylen); + + if (keylen > RSA_size(rsa)) + errx(1, "keylen > RSA_size(rsa)"); + + keylen = RSA_public_decrypt(keylen, res, res2, rsa, padding); + if (keylen <= 0) + errx(1, "failed to public decrypt: %d", (int)keylen); + + if (keylen != len) + errx(1, "output buffer not same length: %d", (int)keylen); + + if (memcmp(res2, in, len) != 0) + errx(1, "string not the same after decryption"); + + /* encryption */ + + keylen = RSA_public_encrypt(len, in, res, rsa, padding); + if (keylen <= 0) + errx(1, "failed to public encrypt: %d", (int)keylen); + + if (keylen > RSA_size(rsa)) + errx(1, "keylen > RSA_size(rsa)"); + + keylen = RSA_private_decrypt(keylen, res, res2, rsa, padding); + if (keylen <= 0) + errx(1, "failed to private decrypt: %d", (int)keylen); + + if (keylen != len) + errx(1, "output buffer not same length: %d", (int)keylen); + + if (memcmp(res2, in, len) != 0) + errx(1, "string not the same after decryption"); + + free(res); + free(res2); +} + +/* + * + */ + +static int version_flag; +static int help_flag; +static char *rsa_key; +static char *id_flag; + +static struct getargs args[] = { + { "id", 0, arg_string, &id_flag, + "selects the engine id", "engine-id" }, + { "key", 0, arg_string, &rsa_key, + "rsa key file", NULL }, + { "version", 0, arg_flag, &version_flag, + "print version", NULL }, + { "help", 0, arg_flag, &help_flag, + NULL, NULL } +}; + +static void +usage (int ret) +{ + arg_printusage (args, + sizeof(args)/sizeof(*args), + NULL, + "filename.so"); + exit (ret); +} + +int +main(int argc, char **argv) +{ + ENGINE *engine = NULL; + int i, idx = 0; + RSA *rsa; + + setprogname(argv[0]); + + if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &idx)) + usage(1); + + if (help_flag) + usage(0); + + if(version_flag){ + print_version(NULL); + exit(0); + } + + argc -= idx; + argv += idx; + + OpenSSL_add_all_algorithms(); + + if (argc == 0) { + OpenSSL_add_all_algorithms(); + ENGINE_load_builtin_engines(); + engine = ENGINE_by_id("builtin"); + } else { + engine = ENGINE_by_dso(argv[0], id_flag); + } + if (engine == NULL) + errx(1, "ENGINE_by_dso failed"); + + if (ENGINE_get_RSA(engine) == NULL) + return 77; + + printf("rsa %s\n", ENGINE_get_RSA(engine)->name); + + if (rsa_key == NULL) + errx(1, "missing rsa key flag!"); + + { + unsigned char buf[1024 * 4]; + const unsigned char *p; + size_t size; + FILE *f; + + f = fopen(rsa_key, "r"); + if (f == NULL) + err(1, "could not open file %s", rsa_key); + + size = fread(buf, 1, sizeof(buf), f); + if (size == 0) + err(1, "failed to read file %s", rsa_key); + if (size == sizeof(buf)) + err(1, "key too long in file %s!", rsa_key); + fclose(f); + + p = buf; + rsa = d2i_RSAPrivateKey(NULL, &p, size); + if (rsa == NULL) + err(1, "failed to parse key in file %s", rsa_key); + + RSA_set_method(rsa, ENGINE_get_RSA(engine)); + } + + + { + const unsigned char sha1[20] = { + 0x6d, 0x33, 0xf9, 0x40, 0x75, 0x5b, 0x4e, 0xc5, 0x90, 0x35, + 0x48, 0xab, 0x75, 0x02, 0x09, 0x76, 0x9a, 0xb4, 0x7d, 0x6b + }; + + check_rsa(sha1, sizeof(sha1), rsa, RSA_PKCS1_PADDING); + } + + printf("sha1\n"); + for (i = 0; i < 512; i++) { + unsigned char sha1[20]; + + RAND_bytes(sha1, sizeof(sha1)); + check_rsa(sha1, sizeof(sha1), rsa, RSA_PKCS1_PADDING); + } + printf("des3\n"); + for (i = 0; i < 512; i++) { + unsigned char des3[21]; + + RAND_bytes(des3, sizeof(des3)); + check_rsa(des3, sizeof(des3), rsa, RSA_PKCS1_PADDING); + } + printf("aes\n"); + for (i = 0; i < 512; i++) { + unsigned char aes[32]; + + RAND_bytes(aes, sizeof(aes)); + check_rsa(aes, sizeof(aes), rsa, RSA_PKCS1_PADDING); + } + + RSA_free(rsa); + + ENGINE_finish(engine); + + return 0; +}