'make update'
[openssl.git] / apps / dhparam.c
index 5f9b60148d6fb60610a7abaf887b2be721d137e6..bbc64d5eb08d76c0ca3737b128a1ac43f8c8c503 100644 (file)
  *
  */
 
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
 #include <openssl/dh.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
+#include <openssl/engine.h>
 
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
 #include <openssl/dsa.h>
 #endif
 
@@ -148,15 +149,16 @@ 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
+#ifndef OPENSSL_NO_DSA
        int dsaparam=0;
 #endif
        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();
@@ -195,11 +197,16 @@ 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)
                        text=1;
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
                else if (strcmp(*argv,"-dsaparam") == 0)
                        dsaparam=1;
 #endif
@@ -231,7 +238,7 @@ bad:
                BIO_printf(bio_err," -outform arg  output format - one of DER PEM\n");
                BIO_printf(bio_err," -in arg       input file\n");
                BIO_printf(bio_err," -out arg      output file\n");
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
                BIO_printf(bio_err," -dsaparam     read or generate DSA parameters, convert to DH\n");
 #endif
                BIO_printf(bio_err," -check        check the DH parameters\n");
@@ -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");
@@ -249,10 +257,28 @@ 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;
 
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
        if (dsaparam)
                {
                if (g)
@@ -279,7 +305,7 @@ bad:
                        BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
                                app_RAND_load_files(inrand));
 
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
                if (dsaparam)
                        {
                        DSA *dsa;
@@ -340,7 +366,7 @@ bad:
                        goto end;
                        }
 
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
                if (dsaparam)
                        {
                        DSA *dsa;
@@ -393,7 +419,7 @@ bad:
        if (outfile == NULL)
                {
                BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
                {
                BIO *tmpbio = BIO_new(BIO_f_linebuffer());
                out = BIO_push(tmpbio, out);