-/* apps/dsaparam.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:
* 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
+ * 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
* 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 */
+#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
#ifndef OPENSSL_NO_DSA
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.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>
-
-#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
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include "apps.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>
+
+# ifdef GENCB_TEST
static int stop_keygen_flag = 0;
static void timebomb_sigalarm(int foo)
- {
- stop_keygen_flag = 1;
- }
-
-#endif
-
-static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb);
-
-int MAIN(int, char **);
-
-int 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
-#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
-#ifdef GENCB_TEST
- else if(strcmp(*argv, "-timebomb") == 0)
- {
- if (--argc < 1) goto bad;
- timebomb = atoi(*(++argv));
- }
-#endif
- else if (strcmp(*argv,"-text") == 0)
- text=1;
- else if (strcmp(*argv,"-C") == 0)
- 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);
- need_rand=1;
- }
- else if (strcmp(*argv,"-noout") == 0)
- 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();
+{
+ stop_keygen_flag = 1;
+}
- in=BIO_new(BIO_s_file());
- out=BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL))
- {
- ERR_print_errors(bio_err);
- 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);
-#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;
- }
- }
-
-#ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-#endif
-
- if (need_rand)
- {
- app_RAND_load_file(NULL, bio_err, (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)
- {
- 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)
- {
- 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");
-#ifdef GENCB_TEST
- if(timebomb > 0)
- {
- struct sigaction act;
- act.sa_handler = timebomb_sigalarm;
- act.sa_flags = 0;
- BIO_printf(bio_err,"(though I'll stop it if not done within %d secs)\n",
- timebomb);
- if(sigaction(SIGALRM, &act, NULL) != 0)
- {
- BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\n");
- goto end;
- }
- alarm(timebomb);
- }
-#endif
- if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, cb))
- {
-#ifdef GENCB_TEST
- if(stop_keygen_flag)
- {
- BIO_printf(bio_err,"DSA key generation time-stopped\n");
- /* This is an asked-for behaviour! */
- ret = 0;
- goto end;
- }
-#endif
- 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 if (informat == FORMAT_PEM)
- 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);
- goto end;
- }
-
- if (text)
- {
- DSAparams_print(out,dsa);
- }
-
- if (C)
- {
- 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",
- 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\t{ DSA_free(dsa); return(NULL); }\n");
- printf("\treturn(dsa);\n\t}\n");
- }
-
-
- 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 parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- if (genkey)
- {
- DSA *dsakey;
-
- 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;
- }
- if (outformat == FORMAT_ASN1)
- i=i2d_DSAPrivateKey_bio(out,dsakey);
- else if (outformat == FORMAT_PEM)
- 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);
- 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);
- }
-
-static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb)
- {
- char c='*';
+# endif
- if (p == 0) c='.';
- if (p == 1) c='+';
- if (p == 2) c='*';
- if (p == 3) c='\n';
- BIO_write(BN_GENCB_get_arg(cb),&c,1);
- (void)BIO_flush(BN_GENCB_get_arg(cb));
-#ifdef GENCB_TEST
- if(stop_keygen_flag)
- return 0;
-#endif
- return 1;
- }
-#else /* !OPENSSL_NO_DSA */
+static int dsa_cb(int p, int n, BN_GENCB *cb);
+
+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 dsaparam_main(int argc, char **argv)
+{
+ DSA *dsa = NULL;
+ BIO *in = NULL, *out = NULL;
+ BN_GENCB *cb = NULL;
+ 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
+ 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
+ timebomb = atoi(opt_arg());
+ break;
+# endif
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_C:
+ C = 1;
+ break;
+ case OPT_GENKEY:
+ genkey = need_rand = 1;
+ break;
+ case OPT_RAND:
+ inrand = opt_arg();
+ need_rand = 1;
+ break;
+ case OPT_NOOUT:
+ noout = 1;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+
+ 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;
+
+ 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, (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 == 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 == 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");
+# ifdef GENCB_TEST
+ if (timebomb > 0) {
+ struct sigaction act;
+ act.sa_handler = timebomb_sigalarm;
+ act.sa_flags = 0;
+ BIO_printf(bio_err,
+ "(though I'll stop it if not done within %d secs)\n",
+ timebomb);
+ if (sigaction(SIGALRM, &act, NULL) != 0) {
+ BIO_printf(bio_err, "Error, couldn't set SIGALRM handler\n");
+ goto end;
+ }
+ alarm(timebomb);
+ }
+# endif
+ if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {
+# ifdef GENCB_TEST
+ if (stop_keygen_flag) {
+ BIO_printf(bio_err, "DSA key generation time-stopped\n");
+ /* This is an asked-for behaviour! */
+ ret = 0;
+ goto end;
+ }
+# endif
+ 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;
+ }
+
+ if (text) {
+ DSAparams_print(out, dsa);
+ }
+
+ if (C) {
+ int len = BN_num_bytes(dsa->p);
+ int bits_p = BN_num_bits(dsa->p);
+ unsigned char *data = app_malloc(len + 20, "BN space");
+
+ BIO_printf(bio_out, "DSA *get_dsa%d()\n{\n", bits_p);
+ print_bignum_var(bio_out, dsa->p, "dsap", len, data);
+ print_bignum_var(bio_out, dsa->q, "dsaq", len, data);
+ print_bignum_var(bio_out, dsa->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);
+ BIO_printf(bio_out, " dsa->q = BN_bin2bn(dsaq_%d, sizeof (dsaq_%d), NULL);\n",
+ bits_p, bits_p);
+ BIO_printf(bio_out, " dsa->g = BN_bin2bn(dsag_%d, sizeof (dsag_%d), NULL);\n",
+ bits_p, bits_p);
+ BIO_printf(bio_out, " if (!dsa->p || !dsa->q || !dsa->g) {\n"
+ " DSA_free(dsa);\n"
+ " return NULL;\n"
+ " }\n"
+ " return(dsa);\n}\n");
+ }
+
+ 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;
+
+ assert(need_rand);
+ 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);
+ }
+ if (need_rand)
+ app_RAND_write_file(NULL);
+ ret = 0;
+ end:
+ 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)
+{
+ char c = '*';
+
+ if (p == 0)
+ c = '.';
+ if (p == 1)
+ c = '+';
+ if (p == 2)
+ c = '*';
+ if (p == 3)
+ c = '\n';
+ BIO_write(BN_GENCB_get_arg(cb), &c, 1);
+ (void)BIO_flush(BN_GENCB_get_arg(cb));
+# ifdef GENCB_TEST
+ if (stop_keygen_flag)
+ return 0;
+# endif
+ return 1;
+}
+#else /* !OPENSSL_NO_DSA */
# if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
# endif
#endif