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-rw-r--r--apps/gendh.c345
1 files changed, 176 insertions, 169 deletions
diff --git a/apps/gendh.c b/apps/gendh.c
index 4ec776ba9399..adaa101783df 100644
--- a/apps/gendh.c
+++ b/apps/gendh.c
@@ -6,21 +6,21 @@
* 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:
@@ -35,10 +35,10 @@
* 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
@@ -50,7 +50,7 @@
* 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
@@ -58,184 +58,191 @@
*/
#include <openssl/opensslconf.h>
-/* Until the key-gen callbacks are modified to use newer prototypes, we allow
- * deprecated functions for openssl-internal code */
+/*
+ * Until the key-gen callbacks are modified to use newer prototypes, we allow
+ * deprecated functions for openssl-internal code
+ */
#ifdef OPENSSL_NO_DEPRECATED
-#undef OPENSSL_NO_DEPRECATED
+# undef OPENSSL_NO_DEPRECATED
#endif
#ifndef OPENSSL_NO_DH
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/rand.h>
-#include <openssl/err.h>
-#include <openssl/bn.h>
-#include <openssl/dh.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-
-#define DEFBITS 512
-#undef PROG
-#define PROG gendh_main
+# include <stdio.h>
+# include <string.h>
+# include <sys/types.h>
+# include <sys/stat.h>
+# include "apps.h"
+# include <openssl/bio.h>
+# include <openssl/rand.h>
+# include <openssl/err.h>
+# include <openssl/bn.h>
+# include <openssl/dh.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
+
+# define DEFBITS 512
+# undef PROG
+# define PROG gendh_main
static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb);
int MAIN(int, char **);
int MAIN(int argc, char **argv)
- {
- BN_GENCB cb;
- DH *dh=NULL;
- int ret=1,num=DEFBITS;
- int g=2;
- char *outfile=NULL;
- char *inrand=NULL;
-#ifndef OPENSSL_NO_ENGINE
- char *engine=NULL;
-#endif
- BIO *out=NULL;
-
- apps_startup();
-
- BN_GENCB_set(&cb, dh_cb, bio_err);
- 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;
-
- argv++;
- argc--;
- for (;;)
- {
- if (argc <= 0) break;
- if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
- else if (strcmp(*argv,"-2") == 0)
- g=2;
- /* else if (strcmp(*argv,"-3") == 0)
- g=3; */
- else if (strcmp(*argv,"-5") == 0)
- g=5;
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*argv,"-engine") == 0)
- {
- if (--argc < 1) goto bad;
- engine= *(++argv);
- }
-#endif
- else if (strcmp(*argv,"-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- }
- else
- break;
- argv++;
- argc--;
- }
- if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
- {
-bad:
- BIO_printf(bio_err,"usage: gendh [args] [numbits]\n");
- BIO_printf(bio_err," -out file - output the key to 'file\n");
- BIO_printf(bio_err," -2 - use 2 as the generator value\n");
- /* BIO_printf(bio_err," -3 - use 3 as the generator value\n"); */
- BIO_printf(bio_err," -5 - use 5 as the generator value\n");
-#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n");
-#endif
- BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
- BIO_printf(bio_err," - load the file (or the files in the directory) into\n");
- BIO_printf(bio_err," the random number generator\n");
- goto end;
- }
-
-#ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-#endif
+{
+ BN_GENCB cb;
+ DH *dh = NULL;
+ int ret = 1, num = DEFBITS;
+ int g = 2;
+ char *outfile = NULL;
+ char *inrand = NULL;
+# ifndef OPENSSL_NO_ENGINE
+ char *engine = NULL;
+# endif
+ BIO *out = NULL;
+
+ apps_startup();
+
+ BN_GENCB_set(&cb, dh_cb, bio_err);
+ 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;
+
+ argv++;
+ argc--;
+ for (;;) {
+ if (argc <= 0)
+ break;
+ if (strcmp(*argv, "-out") == 0) {
+ if (--argc < 1)
+ goto bad;
+ outfile = *(++argv);
+ } else if (strcmp(*argv, "-2") == 0)
+ g = 2;
+/*- else if (strcmp(*argv,"-3") == 0)
+ g=3; */
+ else if (strcmp(*argv, "-5") == 0)
+ g = 5;
+# ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv, "-engine") == 0) {
+ if (--argc < 1)
+ goto bad;
+ engine = *(++argv);
+ }
+# endif
+ else if (strcmp(*argv, "-rand") == 0) {
+ if (--argc < 1)
+ goto bad;
+ inrand = *(++argv);
+ } else
+ break;
+ argv++;
+ argc--;
+ }
+ if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) {
+ bad:
+ BIO_printf(bio_err, "usage: gendh [args] [numbits]\n");
+ BIO_printf(bio_err, " -out file - output the key to 'file\n");
+ BIO_printf(bio_err, " -2 - use 2 as the generator value\n");
+ /*
+ * BIO_printf(bio_err," -3 - use 3 as the generator value\n");
+ */
+ BIO_printf(bio_err, " -5 - use 5 as the generator value\n");
+# ifndef OPENSSL_NO_ENGINE
+ BIO_printf(bio_err,
+ " -engine e - use engine e, possibly a hardware device.\n");
+# endif
+ BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
+ LIST_SEPARATOR_CHAR);
+ BIO_printf(bio_err,
+ " - load the file (or the files in the directory) into\n");
+ BIO_printf(bio_err, " the random number generator\n");
+ goto end;
+ }
+# ifndef OPENSSL_NO_ENGINE
+ setup_engine(bio_err, engine, 0);
+# endif
- out=BIO_new(BIO_s_file());
- if (out == 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 (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
- {
- BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
- }
- if (inrand != NULL)
- BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
- app_RAND_load_files(inrand));
-
- BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
- BIO_printf(bio_err,"This is going to take a long time\n");
-
- if(((dh = DH_new()) == NULL) || !DH_generate_parameters_ex(dh, num, g, &cb))
- goto end;
-
- app_RAND_write_file(NULL, bio_err);
-
- if (!PEM_write_bio_DHparams(out,dh))
- goto end;
- ret=0;
-end:
- if (ret != 0)
- ERR_print_errors(bio_err);
- if (out != NULL) BIO_free_all(out);
- if (dh != NULL) DH_free(dh);
- apps_shutdown();
- OPENSSL_EXIT(ret);
- }
+ out = BIO_new(BIO_s_file());
+ if (out == 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 (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) {
+ BIO_printf(bio_err,
+ "warning, not much extra random data, consider using the -rand option\n");
+ }
+ if (inrand != NULL)
+ BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
+ app_RAND_load_files(inrand));
+
+ BIO_printf(bio_err,
+ "Generating DH parameters, %d bit long safe prime, generator %d\n",
+ num, g);
+ BIO_printf(bio_err, "This is going to take a long time\n");
+
+ if (((dh = DH_new()) == NULL)
+ || !DH_generate_parameters_ex(dh, num, g, &cb))
+ goto end;
+
+ app_RAND_write_file(NULL, bio_err);
+
+ if (!PEM_write_bio_DHparams(out, dh))
+ goto end;
+ ret = 0;
+ end:
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ if (out != NULL)
+ BIO_free_all(out);
+ if (dh != NULL)
+ DH_free(dh);
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+}
static int MS_CALLBACK dh_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(cb->arg,&c,1);
- (void)BIO_flush(cb->arg);
-#ifdef LINT
- p=n;
-#endif
- return 1;
- }
-#else /* !OPENSSL_NO_DH */
+{
+ char c = '*';
+
+ if (p == 0)
+ c = '.';
+ if (p == 1)
+ c = '+';
+ if (p == 2)
+ c = '*';
+ if (p == 3)
+ c = '\n';
+ BIO_write(cb->arg, &c, 1);
+ (void)BIO_flush(cb->arg);
+# ifdef LINT
+ p = n;
+# endif
+ return 1;
+}
+#else /* !OPENSSL_NO_DH */
# if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
# endif
#endif
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