Streamlined security for mobile and embedded devices
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| RSA BSAFE Micro Edition Suite |
Streamlined security for mobile and embedded devices |
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/* $Id: r_dgst.c,v 1.22 2005/02/08 05:57:17 jmckee Exp $ */ /* * Copyright (C) 1998-2003 RSA Security Inc. * * This file shall only be used to demonstrate how to interface to an * RSA Security Inc. licensed development product. * * You have a royalty-free right to use, reproduce and distribute this * demonstration file, provided that you agree that RSA Security Inc. * has no warranty, implied or otherwise, or liability for this * demonstration file (including any modified version). This software * is provided "as is" without warranties or representations of any * kind. RSA Security disclaims all conditions and warranties, statutory * and otherwise, both express and implied, with respect to the software, * its quality and performance, including but not limited to, all * implied warranties of merchantability, fitness for a particular * purpose, title and noninfringement of third party rights. Without * limiting the foregoing, RSA Security does not warrant that the * software is error-free or that errors in the product will be * corrected. You agree that RSA Security shall not be liable for any * direct, indirect, incidental, special, consequential, punitive or * other damages whatsoever resulting from your use of this software * or any modified version. * * */ /* * @file r_dgst.c * This sample demonstrates how to perform digest operations. * * For example, to: * * Digest a string using MD5: * r_dgst -alg MD5 -string "hello world" */ #include "r_prod.h" #include "cryp_mod.h" /* Usage message */ static char *r_dgst_usage[] = { "usage: r_dgst [options]\n", "where options are:\n", " -alg value - Digest algorithm, one of SHA1 (default), SHA256," " SHA384, SHA512 or MD5\n", " -string value - String to digest\n", #ifdef NO_SOFTWARE_CRYPTO " -no_fips140 - Use non FIPS140 operating mode\n", " -fips140_ssl - Use FIPS140 SSL operating mode\n", #endif /* NO_SOFTWARE_CRYPTO */ " -help - Print this help menu\n", NULL }; /* * Main sample program entry point. * * @param argc [In] The number of arguments typed on the command line. * @param argv [In] The array of individual arguments from the command line. * * @returns R_ERROR_NONE indicates success. * See @ref R_ERROR_IDS for valid values. */ int main(int argc, char *argv[]) { int ret = R_ERROR_NONE; int dgst_alg; BIO *bio_out = NULL; BIO *bio_err = NULL; R_RES_LIST *res_list; R_LIB_CTX *lib_ctx = NULL; R_CR_CTX *ctx = NULL; R_CR *dgst_obj = NULL; char *string; char *str; unsigned char dgst_buf[R_CR_DIGEST_MAX_LEN]; unsigned int dgst_len; #ifdef NO_SOFTWARE_CRYPTO R_FIPS140_OPERATING_MODE_T operating_mode = FIPS140_MODE; #endif /* NO_SOFTWARE_CRYPTO */ /* Set the default values for the digest operation */ dgst_alg = R_CR_ID_SHA1; string = NULL; res_list = PRODUCT_DEFAULT_RESOURCE_LIST(); /* * Create BIOs to stdout and stderr. BIOs are the Basic Input/Output * mechanism provided by RSA and are recommended for all input and output * from applications. */ bio_out = BIO_new_fp(stdout,BIO_NOCLOSE); bio_err = BIO_new_fp(stderr,BIO_NOCLOSE); if ((bio_out == NULL) || (bio_err == NULL)) { ret = R_ERROR_ALLOC_FAILURE; goto end; } /* Bypass the program name from the argument list */ argc--; argv++; /* Parse the command line parameters */ while (argc >= 1) { if (Strcmp(*argv, "-alg") == 0) { if (--argc < 1) { goto bad; } str = *(++argv); if (Strcmp(str, "SHA1") == 0) { dgst_alg = R_CR_ID_SHA1; } else if (Strcmp(str, "SHA256") == 0) { dgst_alg = R_CR_ID_SHA256; } else if (Strcmp(str, "SHA384") == 0) { dgst_alg = R_CR_ID_SHA384; } else if (Strcmp(str, "SHA512") == 0) { dgst_alg = R_CR_ID_SHA512; } else if (Strcmp(str, "MD5") == 0) { dgst_alg = R_CR_ID_MD5; } else { BIO_printf(bio_err, "Unknown algorithm\n"); ret = R_ERROR_BAD_PARAMETER; goto bad; } } else if (Strcmp(*argv, "-string") == 0) { if (--argc < 1) { goto bad; } string = *(++argv); } #ifdef NO_SOFTWARE_CRYPTO else if (Strcmp(*argv, "-no_fips140") == 0) { operating_mode = NON_FIPS140_MODE; } else if (Strcmp(*argv, "-fips140_ssl") == 0) { operating_mode = FIPS140_SSL_MODE; } #endif /* NO_SOFTWARE_CRYPTO */ else if (Strcmp(*argv, "-help") == 0) { goto bad; } else { BIO_printf(bio_err,"Unknown option %s\n",*argv); goto bad; } argc--; argv++; } /* Validate the command line options */ if (string == NULL) { BIO_printf(bio_err,"No data to digest\n"); goto bad; } if (0) { char **pp; bad: for (pp=r_dgst_usage; (*pp != NULL); pp++) { BIO_printf(bio_err, *pp); } goto end; } /* * Create the library context to provide access to all configurable aspects * of the library */ #ifdef NO_SOFTWARE_CRYPTO /* * For FIPS140 shared library builds set the operating mode required * first */ switch (operating_mode) { case FIPS140_MODE: CRYPTOC_FIPS140_enable_fips140_operating_mode(); break; case NON_FIPS140_MODE: CRYPTOC_FIPS140_enable_non_fips140_operating_mode(); break; case FIPS140_SSL_MODE: CRYPTOC_FIPS140_enable_fips140_ssl_operating_mode(); break; } #endif /* NO_SOFTWARE_CRYPTO */ if ((ret = PRODUCT_LIBRARY_NEW(res_list, R_RES_FLAG_DEF, &lib_ctx)) != R_ERROR_NONE) { BIO_printf(bio_err, "Unable to create library context\n"); goto end; } /* Create a new cryptographic context */ if ((ret = R_CR_CTX_new(lib_ctx, R_RES_FLAG_DEF, &ctx)) != R_ERROR_NONE) { BIO_printf(bio_err, "Unable to create cryptographic context\n"); goto end; } /* * Create a new digest cryptographic object using the algorithm * specified on the command line */ if ((ret = R_CR_new(ctx, R_CR_TYPE_DIGEST, dgst_alg, R_CR_SUB_NONE, &dgst_obj)) != R_ERROR_NONE) { BIO_printf(bio_err, "Unable to create cryptographic object\n"); goto end; } /* Initialize the digest object */ if ((ret = R_CR_digest_init(dgst_obj)) != R_ERROR_NONE) { BIO_printf(bio_err, "Digest init failure\n"); goto end; } /* * Digest the data. The data is available in a single block so only one * digest update call is required. If the message consists of multiple * parts then multiple calls to R_CR_digest_update() must be made. */ if ((ret = R_CR_digest_update(dgst_obj, (unsigned char *)string, Strlen(string))) != R_ERROR_NONE) { BIO_printf(bio_err, "Digest update failure\n"); goto end; } /* Return the digest calculated on the data */ if ((ret = R_CR_digest_final(dgst_obj, dgst_buf, &dgst_len)) != R_ERROR_NONE) { BIO_printf(bio_err, "Digest final failure\n"); goto end; } /* Print the result of the string digest */ BIO_printf(bio_out, "STRING DIGEST RESULT:\n"); BIO_dump(bio_out, dgst_buf, dgst_len); end: /* * Clean up. Report errors if there is an output stream using both the * error and the string representation. Destroy the dynamically allocated * objects and return an exit code. */ if ((ret != R_ERROR_NONE) && (bio_err != NULL)) { #ifndef NO_CRYPTO_ERR BIO_printf(bio_err, "ERROR: (%d) %s\n", ret, R_LIB_CTX_get_error_string(lib_ctx, R_RES_MOD_ID_LIBRARY, ret)); #else /* NO_CRYPTO_ERR */ BIO_printf(bio_err, "ERROR: (%d)\n", ret); #endif /* NO_CRYPTO_ERR */ } if (dgst_obj != NULL) { R_CR_free(dgst_obj); } if (ctx != NULL) { R_CR_CTX_free(ctx); } if (lib_ctx != NULL) { PRODUCT_LIBRARY_FREE(lib_ctx); } if (bio_err != NULL) { BIO_free(bio_err); } if (bio_out != NULL) { BIO_free(bio_out); } return(R_ERROR_EXIT_CODE(ret)); }