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Diffstat (limited to 'openssl/apps/dsa.c')
| -rw-r--r-- | openssl/apps/dsa.c | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/openssl/apps/dsa.c b/openssl/apps/dsa.c new file mode 100644 index 000000000..cbc1fe3f8 --- /dev/null +++ b/openssl/apps/dsa.c @@ -0,0 +1,333 @@ +/* apps/dsa.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> /* for OPENSSL_NO_DSA */ +#ifndef OPENSSL_NO_DSA +#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/dsa.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pem.h> +#include <openssl/bn.h> + +#undef PROG +#define PROG dsa_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 + * -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 + * -seed - encrypt output if PEM format + * -text - print a text version + * -modulus - print the DSA public key + */ + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + ENGINE *e = NULL; + int ret=1; + DSA *dsa=NULL; + int i,badops=0; + const EVP_CIPHER *enc=NULL; + BIO *in=NULL,*out=NULL; + int informat,outformat,text=0,noout=0; + int pubin = 0, pubout = 0; + char *infile,*outfile,*prog; +#ifndef OPENSSL_NO_ENGINE + char *engine; +#endif + char *passargin = NULL, *passargout = NULL; + char *passin = NULL, *passout = NULL; + int modulus=0; + + 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; + +#ifndef OPENSSL_NO_ENGINE + engine=NULL; +#endif + 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,"-noout") == 0) + noout=1; + else if (strcmp(*argv,"-text") == 0) + text=1; + else if (strcmp(*argv,"-modulus") == 0) + modulus=1; + else if (strcmp(*argv,"-pubin") == 0) + pubin=1; + else if (strcmp(*argv,"-pubout") == 0) + pubout=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 - DER or PEM\n"); + BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); + BIO_printf(bio_err," -in arg input file\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"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); +#endif + 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_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 +#ifndef OPENSSL_NO_SEED + BIO_printf(bio_err," -seed encrypt PEM output with cbc seed\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 DSA public value\n"); + 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; + } + + out=BIO_new(BIO_s_file()); + if (out == NULL) + { + ERR_print_errors(bio_err); + goto end; + } + + BIO_printf(bio_err,"read DSA key\n"); + { + EVP_PKEY *pkey; + if (pubin) + pkey = load_pubkey(bio_err, infile, informat, 1, + passin, e, "Public Key"); + else + pkey = load_key(bio_err, infile, informat, 1, + passin, e, "Private Key"); + + if (pkey != NULL) + dsa = pkey == NULL ? NULL : EVP_PKEY_get1_DSA(pkey); + EVP_PKEY_free(pkey); + } + if (dsa == NULL) + { + BIO_printf(bio_err,"unable to load Key\n"); + 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 (!DSA_print(out,dsa,0)) + { + perror(outfile); + ERR_print_errors(bio_err); + goto end; + } + + if (modulus) + { + fprintf(stdout,"Public Key="); + BN_print(out,dsa->pub_key); + fprintf(stdout,"\n"); + } + + if (noout) goto end; + BIO_printf(bio_err,"writing DSA key\n"); + if (outformat == FORMAT_ASN1) { + if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa); + else i=i2d_DSAPrivateKey_bio(out,dsa); + } else if (outformat == FORMAT_PEM) { + if(pubin || pubout) + i=PEM_write_bio_DSA_PUBKEY(out,dsa); + else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc, + NULL,0,NULL, passout); + } else { + BIO_printf(bio_err,"bad output format specified for outfile\n"); + goto end; + } + if (!i) + { + BIO_printf(bio_err,"unable to write private key\n"); + ERR_print_errors(bio_err); + } + else + ret=0; +end: + if(in != NULL) BIO_free(in); + if(out != NULL) BIO_free_all(out); + if(dsa != NULL) DSA_free(dsa); + if(passin) OPENSSL_free(passin); + if(passout) OPENSSL_free(passout); + apps_shutdown(); + OPENSSL_EXIT(ret); + } +#endif |