"Andrew W. Gray" <agray@iconsinc.com> says /GD is no longer a valid
[openssl.git] / apps / gendh.c
index 5ad55dae5998142655db91476cf54f552c3981af..e81109eaac2780de64478f6892a0e6dd3969d0f2 100644 (file)
@@ -70,6 +70,7 @@
 #include <openssl/dh.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
+#include <openssl/engine.h>
 
 #define DEFBITS        512
 #undef PROG
@@ -81,11 +82,13 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
+       ENGINE *e = NULL;
        DH *dh=NULL;
        int ret=1,num=DEFBITS;
        int g=2;
        char *outfile=NULL;
-       char *inrand=NULL,*inegd=NULL;
+       char *inrand=NULL;
+       char *engine=NULL;
        BIO *out=NULL;
 
        apps_startup();
@@ -110,15 +113,15 @@ int MAIN(int argc, char **argv)
                        g=3; */
                else if (strcmp(*argv,"-5") == 0)
                        g=5;
-               else if (strcmp(*argv,"-rand") == 0)
+               else if (strcmp(*argv,"-engine") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       inrand= *(++argv);
+                       engine= *(++argv);
                        }
-               else if (strcmp(*argv,"-egd") == 0)
+               else if (strcmp(*argv,"-rand") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       inegd= *(++argv);
+                       inrand= *(++argv);
                        }
                else
                        break;
@@ -133,13 +136,31 @@ bad:
                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");
-               BIO_printf(bio_err," -egd file - load random seed from EGD socket\n");
                goto end;
                }
                
+       if (engine != NULL)
+               {
+               if((e = ENGINE_by_id(engine)) == NULL)
+                       {
+                       BIO_printf(bio_err,"invalid engine \"%s\"\n",
+                               engine);
+                       goto end;
+                       }
+               if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
+                       {
+                       BIO_printf(bio_err,"can't use that engine\n");
+                       goto end;
+                       }
+               BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
+               /* Free our "structural" reference. */
+               ENGINE_free(e);
+               }
+
        out=BIO_new(BIO_s_file());
        if (out == NULL)
                {
@@ -148,7 +169,15 @@ bad:
                }
 
        if (outfile == NULL)
+               {
                BIO_set_fp(out,stdout,BIO_NOCLOSE);
+#ifdef VMS
+               {
+               BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+               out = BIO_push(tmpbio, out);
+               }
+#endif
+               }
        else
                {
                if (BIO_write_filename(out,outfile) <= 0)
@@ -158,16 +187,13 @@ bad:
                        }
                }
 
-       if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL && inegd == NULL)
+       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));
-       if (inegd != NULL)
-               BIO_printf(bio_err,"%ld egd bytes loaded\n",
-                       RAND_egd(inegd));
 
        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");
@@ -183,7 +209,7 @@ 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);
        EXIT(ret);
        }