X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=apps%2Fgendh.c;h=e8f8493c5f49ba9c42f2db522c8a7a7e55ec5861;hb=354c3ace73db6eafa235b6db948060a2ab82bb7b;hp=e5cb646bfb039e733263ea0dfc997e488a085994;hpb=b4f76582d4b834fb4e525d500c03ad38f0cea328;p=oweals%2Fopenssl.git

diff --git a/apps/gendh.c b/apps/gendh.c
index e5cb646bfb..e8f8493c5f 100644
--- a/apps/gendh.c
+++ b/apps/gendh.c
@@ -1,4 +1,5 @@
 /* apps/gendh.c */
+/* obsoleted by dhparam.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -56,7 +57,7 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
@@ -69,21 +70,25 @@
 #include <openssl/dh.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
+#include <openssl/engine.h>
 
 #define DEFBITS	512
 #undef PROG
 #define PROG gendh_main
 
 static void MS_CALLBACK dh_cb(int p, int n, void *arg);
-static long dh_load_rand(char *names);
+
+int MAIN(int, char **);
+
 int MAIN(int argc, char **argv)
 	{
-	char buffer[200];
+	ENGINE *e = NULL;
 	DH *dh=NULL;
 	int ret=1,num=DEFBITS;
 	int g=2;
 	char *outfile=NULL;
-	char *inrand=NULL,*randfile;
+	char *inrand=NULL;
+	char *engine=NULL;
 	BIO *out=NULL;
 
 	apps_startup();
@@ -108,6 +113,11 @@ int MAIN(int argc, char **argv)
 			g=3; */
 		else if (strcmp(*argv,"-5") == 0)
 			g=5;
+		else if (strcmp(*argv,"-engine") == 0)
+			{
+			if (--argc < 1) goto bad;
+			engine= *(++argv);
+			}
 		else if (strcmp(*argv,"-rand") == 0)
 			{
 			if (--argc < 1) goto bad;
@@ -123,15 +133,18 @@ int MAIN(int argc, char **argv)
 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");
-		BIO_printf(bio_err," -rand file: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");
+		BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n");
+		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;
 		}
 		
+        e = setup_engine(bio_err, engine, 0);
+
 	out=BIO_new(BIO_s_file());
 	if (out == NULL)
 		{
@@ -140,7 +153,15 @@ bad:
 		}
 
 	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)
@@ -150,28 +171,21 @@ bad:
 			}
 		}
 
-	randfile=RAND_file_name(buffer,200);
-	if ((randfile == NULL)|| !RAND_load_file(randfile,1024L*1024L))
-		BIO_printf(bio_err,"unable to load 'random state'\n");
-
-	if (inrand == NULL)
-		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
-	else
+	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
 		{
-		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-			dh_load_rand(inrand));
+		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 strong prime, generator of %d\n",num,g);
+	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");
 	dh=DH_generate_parameters(num,g,dh_cb,bio_err);
 		
 	if (dh == NULL) goto end;
 
-	if (randfile == NULL)
-		BIO_printf(bio_err,"unable to write 'random state'\n");
-	else
-		RAND_write_file(randfile);
+	app_RAND_write_file(NULL, bio_err);
 
 	if (!PEM_write_bio_DHparams(out,dh))
 		goto end;
@@ -179,8 +193,9 @@ bad:
 end:
 	if (ret != 0)
 		ERR_print_errors(bio_err);
-	if (out != NULL) BIO_free(out);
+	if (out != NULL) BIO_free_all(out);
 	if (dh != NULL) DH_free(dh);
+	apps_shutdown();
 	EXIT(ret);
 	}
 
@@ -193,31 +208,9 @@ static void MS_CALLBACK dh_cb(int p, int n, void *arg)
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
 	BIO_write((BIO *)arg,&c,1);
-	BIO_flush((BIO *)arg);
+	(void)BIO_flush((BIO *)arg);
 #ifdef LINT
 	p=n;
 #endif
 	}
-
-static long dh_load_rand(char *name)
-	{
-	char *p,*n;
-	int last;
-	long tot=0;
-
-	for (;;)
-		{
-		last=0;
-		for (p=name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++);
-		if (*p == '\0') last=1;
-		*p='\0';
-		n=name;
-		name=p+1;
-		if (*n == '\0') break;
-
-		tot+=RAND_load_file(n,1);
-		if (last) break;
-		}
-	return(tot);
-	}
 #endif