X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fgenrsa.c;h=2bc8fa08275c326b2e9fc1ac56c0a572ff4a9ba2;hp=5d7fca404d2639c973eb3a16dd79c01279efbf46;hb=c845ff070d03052f10d9d183682388429cf4fd92;hpb=531d630b5cfe0c50de122f0387a65473b4746bf8 diff --git a/apps/genrsa.c b/apps/genrsa.c index 5d7fca404d..2bc8fa0827 100644 --- a/apps/genrsa.c +++ b/apps/genrsa.c @@ -1,262 +1,196 @@ -/* apps/genrsa.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * 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 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 acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ -#ifndef OPENSSL_NO_RSA -#include -#include -#include -#include -#include "apps.h" -#include -#include -#include -#include -#include -#include -#include -#include - -#define DEFBITS 512 -#undef PROG -#define PROG genrsa_main - -static void MS_CALLBACK genrsa_cb(int p, int n, void *arg); - -int MAIN(int, char **); - -int MAIN(int argc, char **argv) - { - ENGINE *e = NULL; - int ret=1; - RSA *rsa=NULL; - int i,num=DEFBITS; - long l; - const EVP_CIPHER *enc=NULL; - unsigned long f4=RSA_F4; - char *outfile=NULL; - char *passargout = NULL, *passout = NULL; - char *engine=NULL; - char *inrand=NULL; - BIO *out=NULL; - - apps_startup(); - - if (bio_err == NULL) - if ((bio_err=BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); - if ((out=BIO_new(BIO_s_file())) == NULL) - { - BIO_printf(bio_err,"unable to create BIO for output\n"); - goto err; - } - - argv++; - argc--; - for (;;) - { - if (argc <= 0) break; - if (strcmp(*argv,"-out") == 0) - { - if (--argc < 1) goto bad; - outfile= *(++argv); - } - else if (strcmp(*argv,"-3") == 0) - f4=3; - else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0) - f4=RSA_F4; - else if (strcmp(*argv,"-engine") == 0) - { - if (--argc < 1) goto bad; - engine= *(++argv); - } - else if (strcmp(*argv,"-rand") == 0) - { - if (--argc < 1) goto bad; - inrand= *(++argv); - } -#ifndef OPENSSL_NO_DES - else if (strcmp(*argv,"-des") == 0) - enc=EVP_des_cbc(); - else if (strcmp(*argv,"-des3") == 0) - enc=EVP_des_ede3_cbc(); -#endif -#ifndef OPENSSL_NO_IDEA - else if (strcmp(*argv,"-idea") == 0) - enc=EVP_idea_cbc(); -#endif - else if (strcmp(*argv,"-passout") == 0) - { - if (--argc < 1) goto bad; - passargout= *(++argv); - } - else - break; - argv++; - argc--; - } - if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) - { -bad: - BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n"); - BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n"); - BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); -#ifndef OPENSSL_NO_IDEA - BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n"); -#endif - BIO_printf(bio_err," -out file output the key to 'file\n"); - BIO_printf(bio_err," -passout arg output file pass phrase source\n"); - BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n"); - BIO_printf(bio_err," -3 use 3 for the E value\n"); - BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); - BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); - BIO_printf(bio_err," load the file (or the files in the directory) into\n"); - BIO_printf(bio_err," the random number generator\n"); - goto err; - } - - ERR_load_crypto_strings(); - - if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { - BIO_printf(bio_err, "Error getting password\n"); - goto err; - } - - e = setup_engine(bio_err, engine, 0); - - if (outfile == NULL) - { - BIO_set_fp(out,stdout,BIO_NOCLOSE); -#ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } -#endif - } - else - { - if (BIO_write_filename(out,outfile) <= 0) - { - perror(outfile); - goto err; - } - } - - if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL - && !RAND_status()) - { - BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); - } - if (inrand != NULL) - BIO_printf(bio_err,"%ld semi-random bytes loaded\n", - app_RAND_load_files(inrand)); - - BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n", - num); - rsa=RSA_generate_key(num,f4,genrsa_cb,bio_err); - - app_RAND_write_file(NULL, bio_err); - - if (rsa == NULL) goto err; - - /* We need to do the following for when the base number size is < - * long, esp windows 3.1 :-(. */ - l=0L; - for (i=0; ie->top; i++) - { -#ifndef SIXTY_FOUR_BIT - l<<=BN_BITS4; - l<<=BN_BITS4; -#endif - l+=rsa->e->d[i]; - } - BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l); - if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,NULL, passout)) - goto err; - - ret=0; -err: - if (rsa != NULL) RSA_free(rsa); - if (out != NULL) BIO_free_all(out); - if(passout) OPENSSL_free(passout); - if (ret != 0) - ERR_print_errors(bio_err); - EXIT(ret); - } - -static void MS_CALLBACK genrsa_cb(int p, int n, void *arg) - { - char c='*'; - - if (p == 0) c='.'; - if (p == 1) c='+'; - if (p == 2) c='*'; - if (p == 3) c='\n'; - BIO_write((BIO *)arg,&c,1); - (void)BIO_flush((BIO *)arg); -#ifdef LINT - p=n; -#endif - } -#else /* !OPENSSL_NO_RSA */ - -# if PEDANTIC -static void *dummy=&dummy; +#include +#ifdef OPENSSL_NO_RSA +NON_EMPTY_TRANSLATION_UNIT +#else + +# include +# include +# include +# include +# include "apps.h" +# include "progs.h" +# include +# include +# include +# include +# include +# include +# include +# include + +# define DEFBITS 2048 +# define DEFPRIMES 2 + +static int genrsa_cb(int p, int n, BN_GENCB *cb); + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_3, OPT_F4, OPT_ENGINE, + OPT_OUT, OPT_PASSOUT, OPT_CIPHER, OPT_PRIMES, + OPT_R_ENUM +} OPTION_CHOICE; + +const OPTIONS genrsa_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"3", OPT_3, '-', "Use 3 for the E value"}, + {"F4", OPT_F4, '-', "Use F4 (0x10001) for the E value"}, + {"f4", OPT_F4, '-', "Use F4 (0x10001) for the E value"}, + {"out", OPT_OUT, '>', "Output the key to specified file"}, + OPT_R_OPTIONS, + {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, + {"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"}, +# ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, # endif - + {"primes", OPT_PRIMES, 'p', "Specify number of primes"}, + {NULL} +}; + +int genrsa_main(int argc, char **argv) +{ + BN_GENCB *cb = BN_GENCB_new(); + PW_CB_DATA cb_data; + ENGINE *eng = NULL; + BIGNUM *bn = BN_new(); + BIO *out = NULL; + const BIGNUM *e; + RSA *rsa = NULL; + const EVP_CIPHER *enc = NULL; + int ret = 1, num = DEFBITS, private = 0, primes = DEFPRIMES; + unsigned long f4 = RSA_F4; + char *outfile = NULL, *passoutarg = NULL, *passout = NULL; + char *prog, *hexe, *dece; + OPTION_CHOICE o; + + if (bn == NULL || cb == NULL) + goto end; + + BN_GENCB_set(cb, genrsa_cb, bio_err); + + prog = opt_init(argc, argv, genrsa_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: +opthelp: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + ret = 0; + opt_help(genrsa_options); + goto end; + case OPT_3: + f4 = 3; + break; + case OPT_F4: + f4 = RSA_F4; + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_ENGINE: + eng = setup_engine(opt_arg(), 0); + break; + case OPT_R_CASES: + if (!opt_rand(o)) + goto end; + break; + case OPT_PASSOUT: + passoutarg = opt_arg(); + break; + case OPT_CIPHER: + if (!opt_cipher(opt_unknown(), &enc)) + goto end; + break; + case OPT_PRIMES: + if (!opt_int(opt_arg(), &primes)) + goto end; + break; + } + } + argc = opt_num_rest(); + argv = opt_rest(); + + if (argc == 1) { + if (!opt_int(argv[0], &num) || num <= 0) + goto end; + } else if (argc > 0) { + BIO_printf(bio_err, "Extra arguments given.\n"); + goto opthelp; + } + + private = 1; + if (!app_passwd(NULL, passoutarg, NULL, &passout)) { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + + out = bio_open_owner(outfile, FORMAT_PEM, private); + if (out == NULL) + goto end; + + BIO_printf(bio_err, "Generating RSA private key, %d bit long modulus (%d primes)\n", + num, primes); + rsa = eng ? RSA_new_method(eng) : RSA_new(); + if (rsa == NULL) + goto end; + + if (!BN_set_word(bn, f4) + || !RSA_generate_multi_prime_key(rsa, num, primes, bn, cb)) + goto end; + + RSA_get0_key(rsa, NULL, &e, NULL); + hexe = BN_bn2hex(e); + dece = BN_bn2dec(e); + if (hexe && dece) { + BIO_printf(bio_err, "e is %s (0x%s)\n", dece, hexe); + } + OPENSSL_free(hexe); + OPENSSL_free(dece); + cb_data.password = passout; + cb_data.prompt_info = outfile; + assert(private); + if (!PEM_write_bio_RSAPrivateKey(out, rsa, enc, NULL, 0, + (pem_password_cb *)password_callback, + &cb_data)) + goto end; + + ret = 0; + end: + BN_free(bn); + BN_GENCB_free(cb); + RSA_free(rsa); + BIO_free_all(out); + release_engine(eng); + OPENSSL_free(passout); + if (ret != 0) + ERR_print_errors(bio_err); + return ret; +} + +static int genrsa_cb(int p, int n, BN_GENCB *cb) +{ + char c = '*'; + + if (p == 0) + c = '.'; + if (p == 1) + c = '+'; + if (p == 2) + c = '*'; + if (p == 3) + c = '\n'; + BIO_write(BN_GENCB_get_arg(cb), &c, 1); + (void)BIO_flush(BN_GENCB_get_arg(cb)); + return 1; +} #endif