-/* apps/dsaparam.c */
-/* Copyright (C) 1995-1997 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
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.h"
-#include "bio.h"
-#include "err.h"
-#include "bn.h"
-#include "rand.h"
-#include "dsa.h"
-#include "x509.h"
-#include "pem.h"
-
-#undef PROG
-#define PROG dsaparam_main
-
-/* -inform arg - input format - default PEM (one of DER, TXT or PEM)
- * -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
- * -noout
- * -text
- * -C
- * -noout
- */
-
-#ifndef NOPROTO
-static void MS_CALLBACK dsa_cb(int p, int n);
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_DSA
+NON_EMPTY_TRANSLATION_UNIT
#else
-static void MS_CALLBACK dsa_cb();
-#endif
-int MAIN(argc, argv)
-int argc;
-char **argv;
- {
- DSA *dsa=NULL;
- int i,badops=0,text=0;
- BIO *in=NULL,*out=NULL;
- int informat,outformat,noout=0,C=0,ret=1;
- char *infile,*outfile,*prog,*inrand=NULL;
- int numbits= -1,num;
- char buffer[200],*randfile=NULL;
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include "apps.h"
+# include "progs.h"
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/bn.h>
+# include <openssl/dsa.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
- apps_startup();
+static int dsa_cb(int p, int n, BN_GENCB *cb);
- if (bio_err == NULL)
- if ((bio_err=BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT, OPT_C,
+ OPT_NOOUT, OPT_GENKEY, OPT_ENGINE, OPT_R_ENUM
+} OPTION_CHOICE;
- infile=NULL;
- outfile=NULL;
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
+const OPTIONS dsaparam_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"text", OPT_TEXT, '-', "Print as text"},
+ {"C", OPT_C, '-', "Output C code"},
+ {"noout", OPT_NOOUT, '-', "No output"},
+ {"genkey", OPT_GENKEY, '-', "Generate a DSA key"},
+ OPT_R_OPTIONS,
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
+# endif
+ {NULL}
+};
- 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,"-text") == 0)
- text=1;
- else if (strcmp(*argv,"-C") == 0)
- C=1;
- else if (strcmp(*argv,"-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- }
- else if (strcmp(*argv,"-noout") == 0)
- noout=1;
- else if (sscanf(*argv,"%d",&num) == 1)
- {
- /* generate a key */
- numbits=num;
- }
- else
- {
- BIO_printf(bio_err,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- argc--;
- argv++;
- }
+int dsaparam_main(int argc, char **argv)
+{
+ ENGINE *e = NULL;
+ DSA *dsa = NULL;
+ BIO *in = NULL, *out = NULL;
+ BN_GENCB *cb = NULL;
+ int numbits = -1, num = 0, genkey = 0;
+ int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0;
+ int ret = 1, i, text = 0, private = 0;
+ char *infile = NULL, *outfile = NULL, *prog;
+ OPTION_CHOICE o;
- if (badops)
- {
-bad:
- BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
- BIO_printf(bio_err,"where options are\n");
- BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
- BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n");
- BIO_printf(bio_err," -in arg inout file\n");
- BIO_printf(bio_err," -out arg output file\n");
- BIO_printf(bio_err," -text check the DSA parameters\n");
- BIO_printf(bio_err," -C Output C code\n");
- BIO_printf(bio_err," -noout no output\n");
- BIO_printf(bio_err," -rand files to use for random number input\n");
- BIO_printf(bio_err," number number of bits to use for generating private key\n");
- goto end;
- }
+ prog = opt_init(argc, argv, dsaparam_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:
+ opt_help(dsaparam_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_C:
+ C = 1;
+ break;
+ case OPT_GENKEY:
+ genkey = 1;
+ break;
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
+ break;
+ case OPT_NOOUT:
+ noout = 1;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
- ERR_load_crypto_strings();
+ if (argc == 1) {
+ if (!opt_int(argv[0], &num) || num < 0)
+ goto end;
+ /* generate a key */
+ numbits = num;
+ }
+ private = genkey ? 1 : 0;
- in=BIO_new(BIO_s_file());
- out=BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
+ in = bio_open_default(infile, 'r', informat);
+ if (in == NULL)
+ goto end;
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- goto end;
- }
- }
- if (outfile == NULL)
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
- else
- {
- if (BIO_write_filename(out,outfile) <= 0)
- {
- perror(outfile);
- goto end;
- }
- }
+ if (numbits > 0) {
+ if (numbits > OPENSSL_DSA_MAX_MODULUS_BITS)
+ BIO_printf(bio_err,
+ "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
+ " Your key size is %d! Larger key size may behave not as expected.\n",
+ OPENSSL_DSA_MAX_MODULUS_BITS, numbits);
- if (numbits > 0)
- {
- randfile=RAND_file_name(buffer,200);
- RAND_load_file(randfile,1024L*1024L);
+ cb = BN_GENCB_new();
+ if (cb == NULL) {
+ BIO_printf(bio_err, "Error allocating BN_GENCB object\n");
+ goto end;
+ }
+ BN_GENCB_set(cb, dsa_cb, bio_err);
+ dsa = DSA_new();
+ if (dsa == NULL) {
+ BIO_printf(bio_err, "Error allocating DSA object\n");
+ goto end;
+ }
+ BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
+ num);
+ BIO_printf(bio_err, "This could take some time\n");
+ if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {
+ ERR_print_errors(bio_err);
+ BIO_printf(bio_err, "Error, DSA key generation failed\n");
+ goto end;
+ }
+ } else if (informat == FORMAT_ASN1) {
+ dsa = d2i_DSAparams_bio(in, NULL);
+ } else {
+ dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
+ }
+ if (dsa == NULL) {
+ BIO_printf(bio_err, "unable to load DSA parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
- BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
- BIO_printf(bio_err,"This could take some time\n");
- dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL,dsa_cb);
- }
- else if (informat == FORMAT_ASN1)
- dsa=d2i_DSAparams_bio(in,NULL);
- else if (informat == FORMAT_PEM)
- dsa=PEM_read_bio_DSAparams(in,NULL,NULL);
- else
- {
- BIO_printf(bio_err,"bad input format specified\n");
- goto end;
- }
- if (dsa == NULL)
- {
- BIO_printf(bio_err,"unable to load DSA parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
+ if (text) {
+ DSAparams_print(out, dsa);
+ }
- if (text)
- {
- DSAparams_print(out,dsa);
- }
-
- if (C)
- {
- unsigned char *data;
- int l,len,bits_p,bits_q,bits_g;
+ if (C) {
+ const BIGNUM *p = NULL, *q = NULL, *g = NULL;
+ unsigned char *data;
+ int len, bits_p;
- len=BN_num_bytes(dsa->p);
- bits_p=BN_num_bits(dsa->p);
- bits_q=BN_num_bits(dsa->q);
- bits_g=BN_num_bits(dsa->g);
- data=(unsigned char *)Malloc(len+20);
- if (data == NULL)
- {
- perror("Malloc");
- goto end;
- }
- l=BN_bn2bin(dsa->p,data);
- printf("static unsigned char dsa%d_p[]={",bits_p);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n");
+ DSA_get0_pqg(dsa, &p, &q, &g);
+ len = BN_num_bytes(p);
+ bits_p = BN_num_bits(p);
- l=BN_bn2bin(dsa->q,data);
- printf("static unsigned char dsa%d_q[]={",bits_p);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n");
+ data = app_malloc(len + 20, "BN space");
- l=BN_bn2bin(dsa->g,data);
- printf("static unsigned char dsa%d_g[]={",bits_p);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n\n");
+ BIO_printf(bio_out, "static DSA *get_dsa%d(void)\n{\n", bits_p);
+ print_bignum_var(bio_out, p, "dsap", bits_p, data);
+ print_bignum_var(bio_out, q, "dsaq", bits_p, data);
+ print_bignum_var(bio_out, g, "dsag", bits_p, data);
+ BIO_printf(bio_out, " DSA *dsa = DSA_new();\n"
+ " BIGNUM *p, *q, *g;\n"
+ "\n");
+ BIO_printf(bio_out, " if (dsa == NULL)\n"
+ " return NULL;\n");
+ BIO_printf(bio_out, " if (!DSA_set0_pqg(dsa, p = BN_bin2bn(dsap_%d, sizeof(dsap_%d), NULL),\n",
+ bits_p, bits_p);
+ BIO_printf(bio_out, " q = BN_bin2bn(dsaq_%d, sizeof(dsaq_%d), NULL),\n",
+ bits_p, bits_p);
+ BIO_printf(bio_out, " g = BN_bin2bn(dsag_%d, sizeof(dsag_%d), NULL))) {\n",
+ bits_p, bits_p);
+ BIO_printf(bio_out, " DSA_free(dsa);\n"
+ " BN_free(p);\n"
+ " BN_free(q);\n"
+ " BN_free(g);\n"
+ " return NULL;\n"
+ " }\n"
+ " return dsa;\n}\n");
+ OPENSSL_free(data);
+ }
- printf("DSA *get_dsa%d()\n\t{\n",bits_p);
- printf("\tDSA *dsa;\n\n");
- printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
- printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
- bits_p,bits_p);
- printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
- bits_p,bits_p);
- printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
- bits_p,bits_p);
- printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
- printf("\t\treturn(NULL);\n");
- printf("\treturn(dsa);\n\t}\n");
- }
+ if (outformat == FORMAT_ASN1 && genkey)
+ noout = 1;
+ if (!noout) {
+ if (outformat == FORMAT_ASN1)
+ i = i2d_DSAparams_bio(out, dsa);
+ else
+ i = PEM_write_bio_DSAparams(out, dsa);
+ if (!i) {
+ BIO_printf(bio_err, "unable to write DSA parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+ if (genkey) {
+ DSA *dsakey;
- if (!noout)
- {
- if (outformat == FORMAT_ASN1)
- i=i2d_DSAparams_bio(out,dsa);
- else if (outformat == FORMAT_PEM)
- i=PEM_write_bio_DSAparams(out,dsa);
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err,"unable to write DSA paramaters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- ret=0;
-end:
- if (in != NULL) BIO_free(in);
- if (out != NULL) BIO_free(out);
- if (dsa != NULL) DSA_free(dsa);
- EXIT(ret);
- }
+ if ((dsakey = DSAparams_dup(dsa)) == NULL)
+ goto end;
+ if (!DSA_generate_key(dsakey)) {
+ ERR_print_errors(bio_err);
+ DSA_free(dsakey);
+ goto end;
+ }
+ assert(private);
+ if (outformat == FORMAT_ASN1)
+ i = i2d_DSAPrivateKey_bio(out, dsakey);
+ else
+ i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
+ NULL);
+ DSA_free(dsakey);
+ }
+ ret = 0;
+ end:
+ BN_GENCB_free(cb);
+ BIO_free(in);
+ BIO_free_all(out);
+ DSA_free(dsa);
+ release_engine(e);
+ return ret;
+}
-static void MS_CALLBACK dsa_cb(p, n)
-int p;
-int n;
- {
- char c='*';
+static int dsa_cb(int p, int n, BN_GENCB *cb)
+{
+ static const char symbols[] = ".+*\n";
+ char c = (p >= 0 && (size_t)p < sizeof(symbols) - 1) ? symbols[p] : '?';
- if (p == 0) c='.';
- if (p == 1) c='+';
- if (p == 2) c='*';
- if (p == 3) c='\n';
- BIO_write(bio_err,&c,1);
- BIO_flush(bio_err);
-#ifdef LINT
- p=n;
+ BIO_write(BN_GENCB_get_arg(cb), &c, 1);
+ (void)BIO_flush(BN_GENCB_get_arg(cb));
+ return 1;
+}
#endif
- }
projects / openssl.git / blobdiff