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-rw-r--r--apps/dhparam.c842
1 files changed, 413 insertions, 429 deletions
diff --git a/apps/dhparam.c b/apps/dhparam.c
index 1297d6fb5ec9..f86311c28fd3 100644
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -5,21 +5,21 @@
* 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:
@@ -34,10 +34,10 @@
* 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
@@ -49,7 +49,7 @@
* 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
@@ -63,7 +63,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -109,35 +109,36 @@
*
*/
-#include <openssl/opensslconf.h> /* for OPENSSL_NO_DH */
+#include <openssl/opensslconf.h> /* for OPENSSL_NO_DH */
#ifndef OPENSSL_NO_DH
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/bn.h>
-#include <openssl/dh.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include "apps.h"
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/bn.h>
+# include <openssl/dh.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
+
+# ifndef OPENSSL_NO_DSA
+# include <openssl/dsa.h>
+# endif
-#undef PROG
-#define PROG dhparam_main
+# undef PROG
+# define PROG dhparam_main
-#define DEFBITS 512
+# define DEFBITS 512
-/* -inform arg - input format - default PEM (DER or PEM)
+/*-
+ * -inform arg - input format - default PEM (DER or PEM)
* -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
+ * -in arg - input file - default stdin
+ * -out arg - output file - default stdout
* -dsaparam - read or generate DSA parameters, convert to DH
- * -check - check the parameters are ok
+ * -check - check the parameters are ok
* -noout
* -text
* -C
@@ -148,412 +149,395 @@ static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb);
int MAIN(int, char **);
int MAIN(int argc, char **argv)
- {
- DH *dh=NULL;
- int i,badops=0,text=0;
-#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;
-#ifndef OPENSSL_NO_ENGINE
- char *engine=NULL;
-#endif
- int num = 0, g = 0;
-
- apps_startup();
-
- 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;
-
- infile=NULL;
- outfile=NULL;
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
-
- prog=argv[0];
- argc--;
- argv++;
- while (argc >= 1)
- {
- if (strcmp(*argv,"-inform") == 0)
- {
- if (--argc < 1) goto bad;
- informat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-outform") == 0)
- {
- if (--argc < 1) goto bad;
- outformat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-in") == 0)
- {
- if (--argc < 1) goto bad;
- infile= *(++argv);
- }
- else if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*argv,"-engine") == 0)
- {
- if (--argc < 1) goto bad;
- engine= *(++argv);
- }
-#endif
- else if (strcmp(*argv,"-check") == 0)
- check=1;
- else if (strcmp(*argv,"-text") == 0)
- text=1;
-#ifndef OPENSSL_NO_DSA
- else if (strcmp(*argv,"-dsaparam") == 0)
- dsaparam=1;
-#endif
- else if (strcmp(*argv,"-C") == 0)
- C=1;
- else if (strcmp(*argv,"-noout") == 0)
- noout=1;
- else if (strcmp(*argv,"-2") == 0)
- g=2;
- else if (strcmp(*argv,"-5") == 0)
- g=5;
- else if (strcmp(*argv,"-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- }
- else if (((sscanf(*argv,"%d",&num) == 0) || (num <= 0)))
- goto bad;
- argv++;
- argc--;
- }
-
- if (badops)
- {
-bad:
- BIO_printf(bio_err,"%s [options] [numbits]\n",prog);
- BIO_printf(bio_err,"where options are\n");
- BIO_printf(bio_err," -inform arg input format - one of DER PEM\n");
- 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 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");
- BIO_printf(bio_err," -text print a text form of the DH parameters\n");
- BIO_printf(bio_err," -C Output C code\n");
- 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");
-#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");
- BIO_printf(bio_err," -noout no output\n");
- goto end;
- }
-
- ERR_load_crypto_strings();
-
-#ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-#endif
+{
+ DH *dh = NULL;
+ int i, badops = 0, text = 0;
+# 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;
+# ifndef OPENSSL_NO_ENGINE
+ char *engine = NULL;
+# endif
+ int num = 0, g = 0;
+
+ apps_startup();
+
+ 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;
+
+ infile = NULL;
+ outfile = NULL;
+ informat = FORMAT_PEM;
+ outformat = FORMAT_PEM;
+
+ prog = argv[0];
+ argc--;
+ argv++;
+ while (argc >= 1) {
+ if (strcmp(*argv, "-inform") == 0) {
+ if (--argc < 1)
+ goto bad;
+ informat = str2fmt(*(++argv));
+ } else if (strcmp(*argv, "-outform") == 0) {
+ if (--argc < 1)
+ goto bad;
+ outformat = str2fmt(*(++argv));
+ } else if (strcmp(*argv, "-in") == 0) {
+ if (--argc < 1)
+ goto bad;
+ infile = *(++argv);
+ } else if (strcmp(*argv, "-out") == 0) {
+ if (--argc < 1)
+ goto bad;
+ outfile = *(++argv);
+ }
+# ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv, "-engine") == 0) {
+ if (--argc < 1)
+ goto bad;
+ engine = *(++argv);
+ }
+# endif
+ else if (strcmp(*argv, "-check") == 0)
+ check = 1;
+ else if (strcmp(*argv, "-text") == 0)
+ text = 1;
+# ifndef OPENSSL_NO_DSA
+ else if (strcmp(*argv, "-dsaparam") == 0)
+ dsaparam = 1;
+# endif
+ else if (strcmp(*argv, "-C") == 0)
+ C = 1;
+ else if (strcmp(*argv, "-noout") == 0)
+ noout = 1;
+ else if (strcmp(*argv, "-2") == 0)
+ g = 2;
+ else if (strcmp(*argv, "-5") == 0)
+ g = 5;
+ else if (strcmp(*argv, "-rand") == 0) {
+ if (--argc < 1)
+ goto bad;
+ inrand = *(++argv);
+ } else if (((sscanf(*argv, "%d", &num) == 0) || (num <= 0)))
+ goto bad;
+ argv++;
+ argc--;
+ }
+
+ if (badops) {
+ bad:
+ BIO_printf(bio_err, "%s [options] [numbits]\n", prog);
+ BIO_printf(bio_err, "where options are\n");
+ BIO_printf(bio_err, " -inform arg input format - one of DER PEM\n");
+ 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 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");
+ BIO_printf(bio_err,
+ " -text print a text form of the DH parameters\n");
+ BIO_printf(bio_err, " -C Output C code\n");
+ 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");
+# 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");
+ BIO_printf(bio_err, " -noout no output\n");
+ goto end;
+ }
+
+ ERR_load_crypto_strings();
+
+# ifndef OPENSSL_NO_ENGINE
+ setup_engine(bio_err, engine, 0);
+# endif
- if (g && !num)
- num = DEFBITS;
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- if (g)
- {
- BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n");
- goto end;
- }
- }
- else
-#endif
- {
- /* DH parameters */
- if (num && !g)
- g = 2;
- }
-
- if(num) {
-
- BN_GENCB cb;
- BN_GENCB_set(&cb, dh_cb, bio_err);
- 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));
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- DSA *dsa = DSA_new();
-
- BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
- if(!dsa || !DSA_generate_parameters_ex(dsa, num,
- NULL, 0, NULL, NULL, &cb))
- {
- if(dsa) DSA_free(dsa);
- ERR_print_errors(bio_err);
- goto end;
- }
-
- dh = DSA_dup_DH(dsa);
- DSA_free(dsa);
- if (dh == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
-#endif
- {
- dh = DH_new();
- 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_generate_parameters_ex(dh, num, g, &cb))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- app_RAND_write_file(NULL, bio_err);
- } else {
-
- in=BIO_new(BIO_s_file());
- if (in == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- goto end;
- }
- }
-
- if (informat != FORMAT_ASN1 && informat != FORMAT_PEM)
- {
- BIO_printf(bio_err,"bad input format specified\n");
- goto end;
- }
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- DSA *dsa;
-
- if (informat == FORMAT_ASN1)
- dsa=d2i_DSAparams_bio(in,NULL);
- else /* informat == FORMAT_PEM */
- dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
-
- if (dsa == NULL)
- {
- BIO_printf(bio_err,"unable to load DSA parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- dh = DSA_dup_DH(dsa);
- DSA_free(dsa);
- if (dh == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
-#endif
- {
- if (informat == FORMAT_ASN1)
- dh=d2i_DHparams_bio(in,NULL);
- else /* informat == FORMAT_PEM */
- dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
-
- if (dh == NULL)
- {
- BIO_printf(bio_err,"unable to load DH parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- /* dh != NULL */
- }
-
- 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 (text)
- {
- DHparams_print(out,dh);
- }
-
- if (check)
- {
- if (!DH_check(dh,&i))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (i & DH_CHECK_P_NOT_PRIME)
- printf("p value is not prime\n");
- if (i & DH_CHECK_P_NOT_SAFE_PRIME)
- printf("p value is not a safe prime\n");
- if (i & DH_UNABLE_TO_CHECK_GENERATOR)
- printf("unable to check the generator value\n");
- if (i & DH_NOT_SUITABLE_GENERATOR)
- printf("the g value is not a generator\n");
- if (i == 0)
- printf("DH parameters appear to be ok.\n");
- }
- if (C)
- {
- unsigned char *data;
- int len,l,bits;
-
- len=BN_num_bytes(dh->p);
- bits=BN_num_bits(dh->p);
- data=(unsigned char *)OPENSSL_malloc(len);
- if (data == NULL)
- {
- perror("OPENSSL_malloc");
- goto end;
- }
- printf("#ifndef HEADER_DH_H\n"
- "#include <openssl/dh.h>\n"
- "#endif\n");
- printf("DH *get_dh%d()\n\t{\n",bits);
-
- l=BN_bn2bin(dh->p,data);
- printf("\tstatic unsigned char dh%d_p[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t\t};\n");
-
- l=BN_bn2bin(dh->g,data);
- printf("\tstatic unsigned char dh%d_g[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t\t};\n");
-
- printf("\tDH *dh;\n\n");
- printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
- printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
- bits,bits);
- printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
- bits,bits);
- printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
- printf("\t\t{ DH_free(dh); return(NULL); }\n");
- if (dh->length)
- printf("\tdh->length = %ld;\n", dh->length);
- printf("\treturn(dh);\n\t}\n");
- OPENSSL_free(data);
- }
-
-
- if (!noout)
- {
- if (outformat == FORMAT_ASN1)
- i=i2d_DHparams_bio(out,dh);
- else if (outformat == FORMAT_PEM)
- i=PEM_write_bio_DHparams(out,dh);
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err,"unable to write DH parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- ret=0;
-end:
- if (in != NULL) BIO_free(in);
- if (out != NULL) BIO_free_all(out);
- if (dh != NULL) DH_free(dh);
- apps_shutdown();
- OPENSSL_EXIT(ret);
- }
+ if (g && !num)
+ num = DEFBITS;
+
+# ifndef OPENSSL_NO_DSA
+ if (dsaparam) {
+ if (g) {
+ BIO_printf(bio_err,
+ "generator may not be chosen for DSA parameters\n");
+ goto end;
+ }
+ } else
+# endif
+ {
+ /* DH parameters */
+ if (num && !g)
+ g = 2;
+ }
+
+ if (num) {
+
+ BN_GENCB cb;
+ BN_GENCB_set(&cb, dh_cb, bio_err);
+ 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));
+
+# ifndef OPENSSL_NO_DSA
+ if (dsaparam) {
+ DSA *dsa = DSA_new();
+
+ BIO_printf(bio_err,
+ "Generating DSA parameters, %d bit long prime\n", num);
+ if (!dsa
+ || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL,
+ &cb)) {
+ if (dsa)
+ DSA_free(dsa);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ if (dh == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else
+# endif
+ {
+ dh = DH_new();
+ 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_generate_parameters_ex(dh, num, g, &cb)) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ app_RAND_write_file(NULL, bio_err);
+ } else {
+
+ in = BIO_new(BIO_s_file());
+ if (in == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (infile == NULL)
+ BIO_set_fp(in, stdin, BIO_NOCLOSE);
+ else {
+ if (BIO_read_filename(in, infile) <= 0) {
+ perror(infile);
+ goto end;
+ }
+ }
+
+ if (informat != FORMAT_ASN1 && informat != FORMAT_PEM) {
+ BIO_printf(bio_err, "bad input format specified\n");
+ goto end;
+ }
+# ifndef OPENSSL_NO_DSA
+ if (dsaparam) {
+ DSA *dsa;
+
+ if (informat == FORMAT_ASN1)
+ dsa = d2i_DSAparams_bio(in, NULL);
+ else /* informat == FORMAT_PEM */
+ dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
+
+ if (dsa == NULL) {
+ BIO_printf(bio_err, "unable to load DSA parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ if (dh == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else
+# endif
+ {
+ if (informat == FORMAT_ASN1)
+ dh = d2i_DHparams_bio(in, NULL);
+ else /* informat == FORMAT_PEM */
+ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
+
+ if (dh == NULL) {
+ BIO_printf(bio_err, "unable to load DH parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ /* dh != NULL */
+ }
+
+ 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 (text) {
+ DHparams_print(out, dh);
+ }
+
+ if (check) {
+ if (!DH_check(dh, &i)) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (i & DH_CHECK_P_NOT_PRIME)
+ printf("p value is not prime\n");
+ if (i & DH_CHECK_P_NOT_SAFE_PRIME)
+ printf("p value is not a safe prime\n");
+ if (i & DH_UNABLE_TO_CHECK_GENERATOR)
+ printf("unable to check the generator value\n");
+ if (i & DH_NOT_SUITABLE_GENERATOR)
+ printf("the g value is not a generator\n");
+ if (i == 0)
+ printf("DH parameters appear to be ok.\n");
+ }
+ if (C) {
+ unsigned char *data;
+ int len, l, bits;
+
+ len = BN_num_bytes(dh->p);
+ bits = BN_num_bits(dh->p);
+ data = (unsigned char *)OPENSSL_malloc(len);
+ if (data == NULL) {
+ perror("OPENSSL_malloc");
+ goto end;
+ }
+ printf("#ifndef HEADER_DH_H\n"
+ "#include <openssl/dh.h>\n" "#endif\n");
+ printf("DH *get_dh%d()\n\t{\n", bits);
+
+ l = BN_bn2bin(dh->p, data);
+ printf("\tstatic unsigned char dh%d_p[]={", bits);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t\t};\n");
+
+ l = BN_bn2bin(dh->g, data);
+ printf("\tstatic unsigned char dh%d_g[]={", bits);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t\t};\n");
+
+ printf("\tDH *dh;\n\n");
+ printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
+ printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
+ bits, bits);
+ printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
+ bits, bits);
+ printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
+ printf("\t\t{ DH_free(dh); return(NULL); }\n");
+ if (dh->length)
+ printf("\tdh->length = %ld;\n", dh->length);
+ printf("\treturn(dh);\n\t}\n");
+ OPENSSL_free(data);
+ }
+
+ if (!noout) {
+ if (outformat == FORMAT_ASN1)
+ i = i2d_DHparams_bio(out, dh);
+ else if (outformat == FORMAT_PEM)
+ i = PEM_write_bio_DHparams(out, dh);
+ else {
+ BIO_printf(bio_err, "bad output format specified for outfile\n");
+ goto end;
+ }
+ if (!i) {
+ BIO_printf(bio_err, "unable to write DH parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+ ret = 0;
+ end:
+ if (in != NULL)
+ BIO_free(in);
+ if (out != NULL)
+ BIO_free_all(out);
+ if (dh != NULL)
+ DH_free(dh);
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+}
/* dh_cb is identical to dsa_cb in apps/dsaparam.c */
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;
- }
+{
+ 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 */
+#else /* !OPENSSL_NO_DH */
# if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
# endif
#endif