Fix the S/MIME code so it now works again and

[openssl.git] / apps / dhparam.c

diff --git a/apps/dhparam.c b/apps/dhparam.c
index 5f9b60148d6fb60610a7abaf887b2be721d137e6..9d5705f8bfb27a93fd32d1a19807bd805cedee5b 100644 (file)
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -121,6 +121,7 @@
 #include <openssl/dh.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
+#include <openssl/engine.h>
 
 #ifndef NO_DSA
 #include <openssl/dsa.h>
@@ -148,6 +149,7 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
+       ENGINE *e = NULL;
        DH *dh=NULL;
        int i,badops=0,text=0;
 #ifndef NO_DSA
@@ -156,7 +158,7 @@ int MAIN(int argc, char **argv)
        BIO *in=NULL,*out=NULL;
        int informat,outformat,check=0,noout=0,C=0,ret=1;
        char *infile,*outfile,*prog;
-       char *inrand=NULL;
+       char *inrand=NULL,*engine=NULL;
        int num = 0, g = 0;
 
        apps_startup();
@@ -195,6 +197,11 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        outfile= *(++argv);
                        }
+               else if (strcmp(*argv,"-engine") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       engine= *(++argv);
+                       }
                else if (strcmp(*argv,"-check") == 0)
                        check=1;
                else if (strcmp(*argv,"-text") == 0)
@@ -240,6 +247,7 @@ bad:
                BIO_printf(bio_err," -2            generate parameters using  2 as the generator value\n");
                BIO_printf(bio_err," -5            generate parameters using  5 as the generator value\n");
                BIO_printf(bio_err," numbits       number of bits in to generate (default 512)\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");
@@ -249,6 +257,24 @@ bad:
 
        ERR_load_crypto_strings();
 
+       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);
+               }
+
        if (g && !num)
                num = DEFBITS;