/* apps/rsa.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * 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.] */ #include <openssl/opensslconf.h> #ifndef OPENSSL_NO_RSA #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include "apps.h" #include <openssl/bio.h> #include <openssl/err.h> #include <openssl/rsa.h> #include <openssl/evp.h> #include <openssl/x509.h> #include <openssl/pem.h> #include <openssl/bn.h> #undef PROG #define PROG rsa_main /* -inform arg - input format - default PEM (one of DER, NET or PEM) * -outform arg - output format - default PEM * -in arg - input file - default stdin * -out arg - output file - default stdout * -des - encrypt output if PEM format with DES in cbc mode * -des3 - encrypt output if PEM format * -idea - encrypt output if PEM format * -seed - encrypt output if PEM format * -aes128 - encrypt output if PEM format * -aes192 - encrypt output if PEM format * -aes256 - encrypt output if PEM format * -camellia128 - encrypt output if PEM format * -camellia192 - encrypt output if PEM format * -camellia256 - encrypt output if PEM format * -text - print a text version * -modulus - print the RSA key modulus * -check - verify key consistency * -pubin - Expect a public key in input file. * -pubout - Output a public key. */ int MAIN(int, char **); int MAIN(int argc, char **argv) { ENGINE *e = NULL; int ret=1; RSA *rsa=NULL; int i,badops=0, sgckey=0; const EVP_CIPHER *enc=NULL; BIO *out=NULL; int informat,outformat,text=0,check=0,noout=0; int pubin = 0, pubout = 0; char *infile,*outfile,*prog; char *passargin = NULL, *passargout = NULL; char *passin = NULL, *passout = NULL; #ifndef OPENSSL_NO_ENGINE char *engine=NULL; #endif int modulus=0; int pvk_encr = 2; 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 (!load_config(bio_err, NULL)) goto end; infile=NULL; outfile=NULL; informat=FORMAT_PEM; outformat=FORMAT_PEM; prog=argv[0]; argc--; argv++; while (argc >= 1) { if (strcmp(*argv,"-inform") == 0) { if (--argc < 1) goto bad; informat=str2fmt(*(++argv)); } else if (strcmp(*argv,"-outform") == 0) { if (--argc < 1) goto bad; outformat=str2fmt(*(++argv)); } else if (strcmp(*argv,"-in") == 0) { if (--argc < 1) goto bad; infile= *(++argv); } else if (strcmp(*argv,"-out") == 0) { if (--argc < 1) goto bad; outfile= *(++argv); } else if (strcmp(*argv,"-passin") == 0) { if (--argc < 1) goto bad; passargin= *(++argv); } else if (strcmp(*argv,"-passout") == 0) { if (--argc < 1) goto bad; passargout= *(++argv); } #ifndef OPENSSL_NO_ENGINE else if (strcmp(*argv,"-engine") == 0) { if (--argc < 1) goto bad; engine= *(++argv); } #endif else if (strcmp(*argv,"-sgckey") == 0) sgckey=1; else if (strcmp(*argv,"-pubin") == 0) pubin=1; else if (strcmp(*argv,"-pubout") == 0) pubout=1; else if (strcmp(*argv,"-RSAPublicKey_in") == 0) pubin = 2; else if (strcmp(*argv,"-RSAPublicKey_out") == 0) pubout = 2; else if (strcmp(*argv,"-pvk-strong") == 0) pvk_encr=2; else if (strcmp(*argv,"-pvk-weak") == 0) pvk_encr=1; else if (strcmp(*argv,"-pvk-none") == 0) pvk_encr=0; else if (strcmp(*argv,"-noout") == 0) noout=1; else if (strcmp(*argv,"-text") == 0) text=1; else if (strcmp(*argv,"-modulus") == 0) modulus=1; else if (strcmp(*argv,"-check") == 0) check=1; else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) { BIO_printf(bio_err,"unknown option %s\n",*argv); badops=1; break; } argc--; argv++; } if (badops) { bad: BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); BIO_printf(bio_err,"where options are\n"); BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n"); BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n"); BIO_printf(bio_err," -in arg input file\n"); BIO_printf(bio_err," -sgckey Use IIS SGC key format\n"); BIO_printf(bio_err," -passin arg input file pass phrase source\n"); BIO_printf(bio_err," -out arg output file\n"); BIO_printf(bio_err," -passout arg output file pass phrase source\n"); BIO_printf(bio_err," -des encrypt PEM output with cbc des\n"); BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); #ifndef OPENSSL_NO_IDEA BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n"); #endif #ifndef OPENSSL_NO_SEED BIO_printf(bio_err," -seed encrypt PEM output with cbc seed\n"); #endif #ifndef OPENSSL_NO_AES BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); #endif #ifndef OPENSSL_NO_CAMELLIA BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n"); BIO_printf(bio_err," encrypt PEM output with cbc camellia\n"); #endif BIO_printf(bio_err," -text print the key in text\n"); BIO_printf(bio_err," -noout don't print key out\n"); BIO_printf(bio_err," -modulus print the RSA key modulus\n"); BIO_printf(bio_err," -check verify key consistency\n"); BIO_printf(bio_err," -pubin expect a public key in input file\n"); BIO_printf(bio_err," -pubout output a public key\n"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); #endif goto end; } ERR_load_crypto_strings(); #ifndef OPENSSL_NO_ENGINE e = setup_engine(bio_err, engine, 0); #endif if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { BIO_printf(bio_err, "Error getting passwords\n"); goto end; } if(check && pubin) { BIO_printf(bio_err, "Only private keys can be checked\n"); goto end; } out=BIO_new(BIO_s_file()); { EVP_PKEY *pkey; if (pubin) { int tmpformat=-1; if (pubin == 2) { if (informat == FORMAT_PEM) tmpformat = FORMAT_PEMRSA; else if (informat == FORMAT_ASN1) tmpformat = FORMAT_ASN1RSA; } else if (informat == FORMAT_NETSCAPE && sgckey) tmpformat = FORMAT_IISSGC; else tmpformat = informat; pkey = load_pubkey(bio_err, infile, tmpformat, 1, passin, e, "Public Key"); } else pkey = load_key(bio_err, infile, (informat == FORMAT_NETSCAPE && sgckey ? FORMAT_IISSGC : informat), 1, passin, e, "Private Key"); if (pkey != NULL) rsa = EVP_PKEY_get1_RSA(pkey); EVP_PKEY_free(pkey); } if (rsa == NULL) { ERR_print_errors(bio_err); goto end; } 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 end; } } if (text) if (!RSA_print(out,rsa,0)) { perror(outfile); ERR_print_errors(bio_err); goto end; } if (modulus) { BIO_printf(out,"Modulus="); BN_print(out,rsa->n); BIO_printf(out,"\n"); } if (check) { int r = RSA_check_key(rsa); if (r == 1) BIO_printf(out,"RSA key ok\n"); else if (r == 0) { unsigned long err; while ((err = ERR_peek_error()) != 0 && ERR_GET_LIB(err) == ERR_LIB_RSA && ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err)); ERR_get_error(); /* remove e from error stack */ } } if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */ { ERR_print_errors(bio_err); goto end; } } if (noout) { ret = 0; goto end; } BIO_printf(bio_err,"writing RSA key\n"); if (outformat == FORMAT_ASN1) { if(pubout || pubin) { if (pubout == 2) i=i2d_RSAPublicKey_bio(out,rsa); else i=i2d_RSA_PUBKEY_bio(out,rsa); } else i=i2d_RSAPrivateKey_bio(out,rsa); } #ifndef OPENSSL_NO_RC4 else if (outformat == FORMAT_NETSCAPE) { unsigned char *p,*pp; int size; i=1; size=i2d_RSA_NET(rsa,NULL,NULL, sgckey); if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL) { BIO_printf(bio_err,"Memory allocation failure\n"); goto end; } pp=p; i2d_RSA_NET(rsa,&p,NULL, sgckey); BIO_write(out,(char *)pp,size); OPENSSL_free(pp); } #endif else if (outformat == FORMAT_PEM) { if(pubout || pubin) { if (pubout == 2) i=PEM_write_bio_RSAPublicKey(out,rsa); else i=PEM_write_bio_RSA_PUBKEY(out,rsa); } else i=PEM_write_bio_RSAPrivateKey(out,rsa, enc,NULL,0,NULL,passout); #if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { EVP_PKEY *pk; pk = EVP_PKEY_new(); EVP_PKEY_set1_RSA(pk, rsa); if (outformat == FORMAT_PVK) i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); else if (pubin || pubout) i = i2b_PublicKey_bio(out, pk); else i = i2b_PrivateKey_bio(out, pk); EVP_PKEY_free(pk); #endif } else { BIO_printf(bio_err,"bad output format specified for outfile\n"); goto end; } if (i <= 0) { BIO_printf(bio_err,"unable to write key\n"); ERR_print_errors(bio_err); } else ret=0; end: if(out != NULL) BIO_free_all(out); if(rsa != NULL) RSA_free(rsa); if(passin) OPENSSL_free(passin); if(passout) OPENSSL_free(passout); apps_shutdown(); OPENSSL_EXIT(ret); } #else /* !OPENSSL_NO_RSA */ # if PEDANTIC static void *dummy=&dummy; # endif #endif