-/* apps/dsaparam.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 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 <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_DSA
+NON_EMPTY_TRANSLATION_UNIT
+#else
-#ifndef OPENSSL_NO_DSA
-# include <assert.h>
# include <stdio.h>
# include <stdlib.h>
# include <time.h>
# include <openssl/x509.h>
# include <openssl/pem.h>
-# undef PROG
-# define PROG dsaparam_main
-
-/*-
- * -inform arg - input format - default PEM (DER or PEM)
- * -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
- * -noout
- * -text
- * -C
- * -noout
- * -genkey
- * #ifdef GENCB_TEST
- * -timebomb n - interrupt keygen after <n> seconds
- * #endif
- */
-
# ifdef GENCB_TEST
static int stop_keygen_flag = 0;
static int dsa_cb(int p, int n, BN_GENCB *cb);
-int MAIN(int, char **);
+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_RAND, OPT_ENGINE,
+ OPT_TIMEBOMB
+} OPTION_CHOICE;
+
+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"},
+ {"rand", OPT_RAND, 's', "Files to use for random number input"},
+# ifdef GENCB_TEST
+ {"timebomb", OPT_TIMEBOMB, 'p', "Interrupt keygen after 'pnum' seconds"},
+# endif
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
+# endif
+ {NULL}
+};
-int MAIN(int argc, char **argv)
+int dsaparam_main(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, genkey = 0;
- int need_rand = 0;
- int non_fips_allow = 0;
BN_GENCB *cb = NULL;
-# ifndef OPENSSL_NO_ENGINE
- char *engine = NULL;
-# endif
+ int numbits = -1, num = 0, genkey = 0, need_rand = 0;
+ int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0;
+ int ret = 1, i, text = 0, private = 0;
# ifdef GENCB_TEST
int timebomb = 0;
# endif
-
- 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);
- }
-# ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*argv, "-engine") == 0) {
- if (--argc < 1)
- goto bad;
- engine = *(++argv);
- }
-# endif
+ char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL;
+ OPTION_CHOICE o;
+
+ 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:
+ (void)setup_engine(opt_arg(), 0);
+ break;
+ case OPT_TIMEBOMB:
# ifdef GENCB_TEST
- else if (strcmp(*argv, "-timebomb") == 0) {
- if (--argc < 1)
- goto bad;
- timebomb = atoi(*(++argv));
- }
+ timebomb = atoi(opt_arg());
+ break;
# endif
- else if (strcmp(*argv, "-text") == 0)
+ case OPT_TEXT:
text = 1;
- else if (strcmp(*argv, "-C") == 0)
+ break;
+ case OPT_C:
C = 1;
- else if (strcmp(*argv, "-genkey") == 0) {
- genkey = 1;
- need_rand = 1;
- } else if (strcmp(*argv, "-rand") == 0) {
- if (--argc < 1)
- goto bad;
- inrand = *(++argv);
+ break;
+ case OPT_GENKEY:
+ genkey = need_rand = 1;
+ break;
+ case OPT_RAND:
+ inrand = opt_arg();
need_rand = 1;
- } else if (strcmp(*argv, "-noout") == 0)
+ break;
+ case OPT_NOOUT:
noout = 1;
- else if (strcmp(*argv, "-non-fips-allow") == 0)
- non_fips_allow = 1;
- else if (sscanf(*argv, "%d", &num) == 1) {
- /* generate a key */
- numbits = num;
- need_rand = 1;
- } else {
- BIO_printf(bio_err, "unknown option %s\n", *argv);
- badops = 1;
break;
}
- argc--;
- argv++;
- }
-
- 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 - 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, " -out arg output file\n");
- BIO_printf(bio_err, " -text print as text\n");
- BIO_printf(bio_err, " -C Output C code\n");
- BIO_printf(bio_err, " -noout no output\n");
- BIO_printf(bio_err, " -genkey generate a DSA key\n");
- BIO_printf(bio_err,
- " -rand files to use for random number input\n");
-# ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err,
- " -engine e use engine e, possibly a hardware device.\n");
-# endif
-# ifdef GENCB_TEST
- BIO_printf(bio_err,
- " -timebomb n interrupt keygen after <n> seconds\n");
-# endif
- BIO_printf(bio_err,
- " number number of bits to use for generating private key\n");
- goto end;
- }
-
- ERR_load_crypto_strings();
-
- in = BIO_new(BIO_s_file());
- out = BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL)) {
- ERR_print_errors(bio_err);
- goto end;
}
+ argc = opt_num_rest();
+ argv = opt_rest();
- 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);
-# 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);
+ if (argc == 1) {
+ if (!opt_int(argv[0], &num) || num < 0)
goto end;
- }
+ /* generate a key */
+ numbits = num;
+ need_rand = 1;
}
+ private = genkey ? 1 : 0;
-# ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-# endif
+ 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 (need_rand) {
- app_RAND_load_file(NULL, bio_err, (inrand != NULL));
+ app_RAND_load_file(NULL, (inrand != NULL));
if (inrand != NULL)
BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
if (numbits > 0) {
cb = BN_GENCB_new();
- if (!cb) {
+ if (cb == NULL) {
BIO_printf(bio_err, "Error allocating BN_GENCB object\n");
goto end;
}
BN_GENCB_set(cb, dsa_cb, bio_err);
assert(need_rand);
dsa = DSA_new();
- if (!dsa) {
+ if (dsa == NULL) {
BIO_printf(bio_err, "Error allocating DSA object\n");
goto end;
}
- if (non_fips_allow)
- dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;
BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
num);
BIO_printf(bio_err, "This could take some time\n");
}
} else if (informat == FORMAT_ASN1)
dsa = d2i_DSAparams_bio(in, NULL);
- else if (informat == FORMAT_PEM)
+ else
dsa = PEM_read_bio_DSAparams(in, NULL, 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);
}
if (C) {
+ BIGNUM *p = NULL, *q = NULL, *g = NULL;
unsigned char *data;
- int l, len, bits_p;
-
- len = BN_num_bytes(dsa->p);
- bits_p = BN_num_bits(dsa->p);
- data = (unsigned char *)OPENSSL_malloc(len + 20);
- if (data == NULL) {
- perror("OPENSSL_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");
-
- 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");
-
- 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");
-
- 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",
+ int len, bits_p;
+
+ DSA_get0_pqg(dsa, &p, &q, &g);
+ len = BN_num_bytes(p);
+ bits_p = BN_num_bits(p);
+
+ data = app_malloc(len + 20, "BN space");
+
+ BIO_printf(bio_out, "DSA *get_dsa%d()\n{\n", bits_p);
+ print_bignum_var(bio_out, p, "dsap", len, data);
+ print_bignum_var(bio_out, q, "dsaq", len, data);
+ print_bignum_var(bio_out, g, "dsag", len, data);
+ BIO_printf(bio_out, " DSA *dsa = DSA_new();\n"
+ "\n");
+ BIO_printf(bio_out, " if (dsa == NULL)\n"
+ " return NULL;\n");
+ BIO_printf(bio_out, " dsa->p = BN_bin2bn(dsap_%d, sizeof (dsap_%d), NULL);\n",
bits_p, bits_p);
- printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
+ BIO_printf(bio_out, " dsa->q = BN_bin2bn(dsaq_%d, sizeof (dsaq_%d), NULL);\n",
bits_p, bits_p);
- printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
+ BIO_printf(bio_out, " dsa->g = BN_bin2bn(dsag_%d, sizeof (dsag_%d), NULL);\n",
bits_p, bits_p);
- printf
- ("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
- printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
- printf("\treturn(dsa);\n\t}\n");
+ BIO_printf(bio_out, " if (!dsa->p || !dsa->q || !dsa->g) {\n"
+ " DSA_free(dsa);\n"
+ " return NULL;\n"
+ " }\n"
+ " return(dsa);\n}\n");
+ OPENSSL_free(data);
}
if (!noout) {
if (outformat == FORMAT_ASN1)
i = i2d_DSAparams_bio(out, dsa);
- else if (outformat == FORMAT_PEM)
+ else
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 parameters\n");
ERR_print_errors(bio_err);
assert(need_rand);
if ((dsakey = DSAparams_dup(dsa)) == NULL)
goto end;
- if (non_fips_allow)
- dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;
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 if (outformat == FORMAT_PEM)
+ else
i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
NULL);
- else {
- BIO_printf(bio_err, "bad output format specified for outfile\n");
- DSA_free(dsakey);
- goto end;
- }
DSA_free(dsakey);
}
if (need_rand)
- app_RAND_write_file(NULL, bio_err);
+ app_RAND_write_file(NULL);
ret = 0;
end:
- if (cb != NULL)
- BN_GENCB_free(cb);
- if (in != NULL)
- BIO_free(in);
- if (out != NULL)
- BIO_free_all(out);
- if (dsa != NULL)
- DSA_free(dsa);
- apps_shutdown();
- OPENSSL_EXIT(ret);
+ BN_GENCB_free(cb);
+ BIO_free(in);
+ BIO_free_all(out);
+ DSA_free(dsa);
+ return (ret);
}
static int dsa_cb(int p, int n, BN_GENCB *cb)
# endif
return 1;
}
-#else /* !OPENSSL_NO_DSA */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
#endif
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