rsa.c revision 280297
155714Skris/* apps/rsa.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280297Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280297Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280297Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280297Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280297Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280297Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 59160814Ssimon#include <openssl/opensslconf.h> 60109998Smarkm#ifndef OPENSSL_NO_RSA 61280297Sjkim# include <stdio.h> 62280297Sjkim# include <stdlib.h> 63280297Sjkim# include <string.h> 64280297Sjkim# include <time.h> 65280297Sjkim# include "apps.h" 66280297Sjkim# include <openssl/bio.h> 67280297Sjkim# include <openssl/err.h> 68280297Sjkim# include <openssl/rsa.h> 69280297Sjkim# include <openssl/evp.h> 70280297Sjkim# include <openssl/x509.h> 71280297Sjkim# include <openssl/pem.h> 72280297Sjkim# include <openssl/bn.h> 7355714Skris 74280297Sjkim# undef PROG 75280297Sjkim# define PROG rsa_main 7655714Skris 77280297Sjkim/*- 78280297Sjkim * -inform arg - input format - default PEM (one of DER, NET or PEM) 7955714Skris * -outform arg - output format - default PEM 80280297Sjkim * -in arg - input file - default stdin 81280297Sjkim * -out arg - output file - default stdout 82280297Sjkim * -des - encrypt output if PEM format with DES in cbc mode 83280297Sjkim * -des3 - encrypt output if PEM format 84280297Sjkim * -idea - encrypt output if PEM format 85280297Sjkim * -seed - encrypt output if PEM format 86280297Sjkim * -aes128 - encrypt output if PEM format 87280297Sjkim * -aes192 - encrypt output if PEM format 88280297Sjkim * -aes256 - encrypt output if PEM format 89162911Ssimon * -camellia128 - encrypt output if PEM format 90162911Ssimon * -camellia192 - encrypt output if PEM format 91162911Ssimon * -camellia256 - encrypt output if PEM format 92280297Sjkim * -text - print a text version 93280297Sjkim * -modulus - print the RSA key modulus 94280297Sjkim * -check - verify key consistency 95280297Sjkim * -pubin - Expect a public key in input file. 96280297Sjkim * -pubout - Output a public key. 9755714Skris */ 9855714Skris 9959191Skrisint MAIN(int, char **); 10059191Skris 10155714Skrisint MAIN(int argc, char **argv) 102280297Sjkim{ 103280297Sjkim ENGINE *e = NULL; 104280297Sjkim int ret = 1; 105280297Sjkim RSA *rsa = NULL; 106280297Sjkim int i, badops = 0, sgckey = 0; 107280297Sjkim const EVP_CIPHER *enc = NULL; 108280297Sjkim BIO *out = NULL; 109280297Sjkim int informat, outformat, text = 0, check = 0, noout = 0; 110280297Sjkim int pubin = 0, pubout = 0; 111280297Sjkim char *infile, *outfile, *prog; 112280297Sjkim char *passargin = NULL, *passargout = NULL; 113280297Sjkim char *passin = NULL, *passout = NULL; 114280297Sjkim# ifndef OPENSSL_NO_ENGINE 115280297Sjkim char *engine = NULL; 116280297Sjkim# endif 117280297Sjkim int modulus = 0; 11855714Skris 119280297Sjkim int pvk_encr = 2; 120238405Sjkim 121280297Sjkim apps_startup(); 12255714Skris 123280297Sjkim if (bio_err == NULL) 124280297Sjkim if ((bio_err = BIO_new(BIO_s_file())) != NULL) 125280297Sjkim BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 12655714Skris 127280297Sjkim if (!load_config(bio_err, NULL)) 128280297Sjkim goto end; 129109998Smarkm 130280297Sjkim infile = NULL; 131280297Sjkim outfile = NULL; 132280297Sjkim informat = FORMAT_PEM; 133280297Sjkim outformat = FORMAT_PEM; 13455714Skris 135280297Sjkim prog = argv[0]; 136280297Sjkim argc--; 137280297Sjkim argv++; 138280297Sjkim while (argc >= 1) { 139280297Sjkim if (strcmp(*argv, "-inform") == 0) { 140280297Sjkim if (--argc < 1) 141280297Sjkim goto bad; 142280297Sjkim informat = str2fmt(*(++argv)); 143280297Sjkim } else if (strcmp(*argv, "-outform") == 0) { 144280297Sjkim if (--argc < 1) 145280297Sjkim goto bad; 146280297Sjkim outformat = str2fmt(*(++argv)); 147280297Sjkim } else if (strcmp(*argv, "-in") == 0) { 148280297Sjkim if (--argc < 1) 149280297Sjkim goto bad; 150280297Sjkim infile = *(++argv); 151280297Sjkim } else if (strcmp(*argv, "-out") == 0) { 152280297Sjkim if (--argc < 1) 153280297Sjkim goto bad; 154280297Sjkim outfile = *(++argv); 155280297Sjkim } else if (strcmp(*argv, "-passin") == 0) { 156280297Sjkim if (--argc < 1) 157280297Sjkim goto bad; 158280297Sjkim passargin = *(++argv); 159280297Sjkim } else if (strcmp(*argv, "-passout") == 0) { 160280297Sjkim if (--argc < 1) 161280297Sjkim goto bad; 162280297Sjkim passargout = *(++argv); 163280297Sjkim } 164280297Sjkim# ifndef OPENSSL_NO_ENGINE 165280297Sjkim else if (strcmp(*argv, "-engine") == 0) { 166280297Sjkim if (--argc < 1) 167280297Sjkim goto bad; 168280297Sjkim engine = *(++argv); 169280297Sjkim } 170280297Sjkim# endif 171280297Sjkim else if (strcmp(*argv, "-sgckey") == 0) 172280297Sjkim sgckey = 1; 173280297Sjkim else if (strcmp(*argv, "-pubin") == 0) 174280297Sjkim pubin = 1; 175280297Sjkim else if (strcmp(*argv, "-pubout") == 0) 176280297Sjkim pubout = 1; 177280297Sjkim else if (strcmp(*argv, "-RSAPublicKey_in") == 0) 178280297Sjkim pubin = 2; 179280297Sjkim else if (strcmp(*argv, "-RSAPublicKey_out") == 0) 180280297Sjkim pubout = 2; 181280297Sjkim else if (strcmp(*argv, "-pvk-strong") == 0) 182280297Sjkim pvk_encr = 2; 183280297Sjkim else if (strcmp(*argv, "-pvk-weak") == 0) 184280297Sjkim pvk_encr = 1; 185280297Sjkim else if (strcmp(*argv, "-pvk-none") == 0) 186280297Sjkim pvk_encr = 0; 187280297Sjkim else if (strcmp(*argv, "-noout") == 0) 188280297Sjkim noout = 1; 189280297Sjkim else if (strcmp(*argv, "-text") == 0) 190280297Sjkim text = 1; 191280297Sjkim else if (strcmp(*argv, "-modulus") == 0) 192280297Sjkim modulus = 1; 193280297Sjkim else if (strcmp(*argv, "-check") == 0) 194280297Sjkim check = 1; 195280297Sjkim else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) { 196280297Sjkim BIO_printf(bio_err, "unknown option %s\n", *argv); 197280297Sjkim badops = 1; 198280297Sjkim break; 199280297Sjkim } 200280297Sjkim argc--; 201280297Sjkim argv++; 202280297Sjkim } 20355714Skris 204280297Sjkim if (badops) { 205280297Sjkim bad: 206280297Sjkim BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 207280297Sjkim BIO_printf(bio_err, "where options are\n"); 208280297Sjkim BIO_printf(bio_err, 209280297Sjkim " -inform arg input format - one of DER NET PEM\n"); 210280297Sjkim BIO_printf(bio_err, 211280297Sjkim " -outform arg output format - one of DER NET PEM\n"); 212280297Sjkim BIO_printf(bio_err, " -in arg input file\n"); 213280297Sjkim BIO_printf(bio_err, " -sgckey Use IIS SGC key format\n"); 214280297Sjkim BIO_printf(bio_err, 215280297Sjkim " -passin arg input file pass phrase source\n"); 216280297Sjkim BIO_printf(bio_err, " -out arg output file\n"); 217280297Sjkim BIO_printf(bio_err, 218280297Sjkim " -passout arg output file pass phrase source\n"); 219280297Sjkim BIO_printf(bio_err, 220280297Sjkim " -des encrypt PEM output with cbc des\n"); 221280297Sjkim BIO_printf(bio_err, 222280297Sjkim " -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); 223280297Sjkim# ifndef OPENSSL_NO_IDEA 224280297Sjkim BIO_printf(bio_err, 225280297Sjkim " -idea encrypt PEM output with cbc idea\n"); 226280297Sjkim# endif 227280297Sjkim# ifndef OPENSSL_NO_SEED 228280297Sjkim BIO_printf(bio_err, 229280297Sjkim " -seed encrypt PEM output with cbc seed\n"); 230280297Sjkim# endif 231280297Sjkim# ifndef OPENSSL_NO_AES 232280297Sjkim BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); 233280297Sjkim BIO_printf(bio_err, 234280297Sjkim " encrypt PEM output with cbc aes\n"); 235280297Sjkim# endif 236280297Sjkim# ifndef OPENSSL_NO_CAMELLIA 237280297Sjkim BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); 238280297Sjkim BIO_printf(bio_err, 239280297Sjkim " encrypt PEM output with cbc camellia\n"); 240280297Sjkim# endif 241280297Sjkim BIO_printf(bio_err, " -text print the key in text\n"); 242280297Sjkim BIO_printf(bio_err, " -noout don't print key out\n"); 243280297Sjkim BIO_printf(bio_err, " -modulus print the RSA key modulus\n"); 244280297Sjkim BIO_printf(bio_err, " -check verify key consistency\n"); 245280297Sjkim BIO_printf(bio_err, 246280297Sjkim " -pubin expect a public key in input file\n"); 247280297Sjkim BIO_printf(bio_err, " -pubout output a public key\n"); 248280297Sjkim# ifndef OPENSSL_NO_ENGINE 249280297Sjkim BIO_printf(bio_err, 250280297Sjkim " -engine e use engine e, possibly a hardware device.\n"); 251280297Sjkim# endif 252280297Sjkim goto end; 253280297Sjkim } 25455714Skris 255280297Sjkim ERR_load_crypto_strings(); 25655714Skris 257280297Sjkim# ifndef OPENSSL_NO_ENGINE 258280297Sjkim e = setup_engine(bio_err, engine, 0); 259280297Sjkim# endif 260109998Smarkm 261280297Sjkim if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 262280297Sjkim BIO_printf(bio_err, "Error getting passwords\n"); 263280297Sjkim goto end; 264280297Sjkim } 26559191Skris 266280297Sjkim if (check && pubin) { 267280297Sjkim BIO_printf(bio_err, "Only private keys can be checked\n"); 268280297Sjkim goto end; 269280297Sjkim } 27059191Skris 271280297Sjkim out = BIO_new(BIO_s_file()); 27255714Skris 273280297Sjkim { 274280297Sjkim EVP_PKEY *pkey; 27555714Skris 276280297Sjkim if (pubin) { 277280297Sjkim int tmpformat = -1; 278280297Sjkim if (pubin == 2) { 279280297Sjkim if (informat == FORMAT_PEM) 280280297Sjkim tmpformat = FORMAT_PEMRSA; 281280297Sjkim else if (informat == FORMAT_ASN1) 282280297Sjkim tmpformat = FORMAT_ASN1RSA; 283280297Sjkim } else if (informat == FORMAT_NETSCAPE && sgckey) 284280297Sjkim tmpformat = FORMAT_IISSGC; 285280297Sjkim else 286280297Sjkim tmpformat = informat; 287109998Smarkm 288280297Sjkim pkey = load_pubkey(bio_err, infile, tmpformat, 1, 289280297Sjkim passin, e, "Public Key"); 290280297Sjkim } else 291280297Sjkim pkey = load_key(bio_err, infile, 292280297Sjkim (informat == FORMAT_NETSCAPE && sgckey ? 293280297Sjkim FORMAT_IISSGC : informat), 1, 294280297Sjkim passin, e, "Private Key"); 29555714Skris 296280297Sjkim if (pkey != NULL) 297280297Sjkim rsa = EVP_PKEY_get1_RSA(pkey); 298280297Sjkim EVP_PKEY_free(pkey); 299280297Sjkim } 30055714Skris 301280297Sjkim if (rsa == NULL) { 302280297Sjkim ERR_print_errors(bio_err); 303280297Sjkim goto end; 304280297Sjkim } 30555714Skris 306280297Sjkim if (outfile == NULL) { 307280297Sjkim BIO_set_fp(out, stdout, BIO_NOCLOSE); 308280297Sjkim# ifdef OPENSSL_SYS_VMS 309280297Sjkim { 310280297Sjkim BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 311280297Sjkim out = BIO_push(tmpbio, out); 312280297Sjkim } 313280297Sjkim# endif 314280297Sjkim } else { 315280297Sjkim if (BIO_write_filename(out, outfile) <= 0) { 316280297Sjkim perror(outfile); 317280297Sjkim goto end; 318280297Sjkim } 319280297Sjkim } 32055714Skris 321280297Sjkim if (text) 322280297Sjkim if (!RSA_print(out, rsa, 0)) { 323280297Sjkim perror(outfile); 324280297Sjkim ERR_print_errors(bio_err); 325280297Sjkim goto end; 326280297Sjkim } 32755714Skris 328280297Sjkim if (modulus) { 329280297Sjkim BIO_printf(out, "Modulus="); 330280297Sjkim BN_print(out, rsa->n); 331280297Sjkim BIO_printf(out, "\n"); 332280297Sjkim } 33355714Skris 334280297Sjkim if (check) { 335280297Sjkim int r = RSA_check_key(rsa); 33655714Skris 337280297Sjkim if (r == 1) 338280297Sjkim BIO_printf(out, "RSA key ok\n"); 339280297Sjkim else if (r == 0) { 340280297Sjkim unsigned long err; 34155714Skris 342280297Sjkim while ((err = ERR_peek_error()) != 0 && 343280297Sjkim ERR_GET_LIB(err) == ERR_LIB_RSA && 344280297Sjkim ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && 345280297Sjkim ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { 346280297Sjkim BIO_printf(out, "RSA key error: %s\n", 347280297Sjkim ERR_reason_error_string(err)); 348280297Sjkim ERR_get_error(); /* remove e from error stack */ 349280297Sjkim } 350280297Sjkim } 35159191Skris 352280297Sjkim if (r == -1 || ERR_peek_error() != 0) { /* should happen only if r == 353280297Sjkim * -1 */ 354280297Sjkim ERR_print_errors(bio_err); 355280297Sjkim goto end; 356280297Sjkim } 357280297Sjkim } 358280297Sjkim 359280297Sjkim if (noout) { 360280297Sjkim ret = 0; 361280297Sjkim goto end; 362280297Sjkim } 363280297Sjkim BIO_printf(bio_err, "writing RSA key\n"); 364280297Sjkim if (outformat == FORMAT_ASN1) { 365280297Sjkim if (pubout || pubin) { 366280297Sjkim if (pubout == 2) 367280297Sjkim i = i2d_RSAPublicKey_bio(out, rsa); 368280297Sjkim else 369280297Sjkim i = i2d_RSA_PUBKEY_bio(out, rsa); 370280297Sjkim } else 371280297Sjkim i = i2d_RSAPrivateKey_bio(out, rsa); 372280297Sjkim } 373280297Sjkim# ifndef OPENSSL_NO_RC4 374280297Sjkim else if (outformat == FORMAT_NETSCAPE) { 375280297Sjkim unsigned char *p, *pp; 376280297Sjkim int size; 377280297Sjkim 378280297Sjkim i = 1; 379280297Sjkim size = i2d_RSA_NET(rsa, NULL, NULL, sgckey); 380280297Sjkim if ((p = (unsigned char *)OPENSSL_malloc(size)) == NULL) { 381280297Sjkim BIO_printf(bio_err, "Memory allocation failure\n"); 382280297Sjkim goto end; 383280297Sjkim } 384280297Sjkim pp = p; 385280297Sjkim i2d_RSA_NET(rsa, &p, NULL, sgckey); 386280297Sjkim BIO_write(out, (char *)pp, size); 387280297Sjkim OPENSSL_free(pp); 388280297Sjkim } 389280297Sjkim# endif 390280297Sjkim else if (outformat == FORMAT_PEM) { 391280297Sjkim if (pubout || pubin) { 392280297Sjkim if (pubout == 2) 393280297Sjkim i = PEM_write_bio_RSAPublicKey(out, rsa); 394280297Sjkim else 395280297Sjkim i = PEM_write_bio_RSA_PUBKEY(out, rsa); 396280297Sjkim } else 397280297Sjkim i = PEM_write_bio_RSAPrivateKey(out, rsa, 398280297Sjkim enc, NULL, 0, NULL, passout); 399280297Sjkim# if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) 400280297Sjkim } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { 401280297Sjkim EVP_PKEY *pk; 402280297Sjkim pk = EVP_PKEY_new(); 403280297Sjkim EVP_PKEY_set1_RSA(pk, rsa); 404280297Sjkim if (outformat == FORMAT_PVK) 405280297Sjkim i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); 406280297Sjkim else if (pubin || pubout) 407280297Sjkim i = i2b_PublicKey_bio(out, pk); 408280297Sjkim else 409280297Sjkim i = i2b_PrivateKey_bio(out, pk); 410280297Sjkim EVP_PKEY_free(pk); 411280297Sjkim# endif 412280297Sjkim } else { 413280297Sjkim BIO_printf(bio_err, "bad output format specified for outfile\n"); 414280297Sjkim goto end; 415280297Sjkim } 416280297Sjkim if (i <= 0) { 417280297Sjkim BIO_printf(bio_err, "unable to write key\n"); 418280297Sjkim ERR_print_errors(bio_err); 419280297Sjkim } else 420280297Sjkim ret = 0; 421280297Sjkim end: 422280297Sjkim if (out != NULL) 423280297Sjkim BIO_free_all(out); 424280297Sjkim if (rsa != NULL) 425280297Sjkim RSA_free(rsa); 426280297Sjkim if (passin) 427280297Sjkim OPENSSL_free(passin); 428280297Sjkim if (passout) 429280297Sjkim OPENSSL_free(passout); 430280297Sjkim apps_shutdown(); 431280297Sjkim OPENSSL_EXIT(ret); 432280297Sjkim} 433280297Sjkim#else /* !OPENSSL_NO_RSA */ 434280297Sjkim 43559191Skris# if PEDANTIC 436280297Sjkimstatic void *dummy = &dummy; 43759191Skris# endif 43859191Skris 43955714Skris#endif 440