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-rw-r--r--apps/dh.c518
1 files changed, 250 insertions, 268 deletions
diff --git a/apps/dh.c b/apps/dh.c
index dee9c01fcec1..48fecc996034 100644
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -6,21 +6,21 @@
* 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:
@@ -35,10 +35,10 @@
* 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
@@ -50,35 +50,36 @@
* 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
* [including the GNU Public Licence.]
*/
-#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>
+# 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>
-#undef PROG
-#define PROG dh_main
+# undef PROG
+# define PROG dh_main
-/* -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
- * -check - check the parameters are ok
+ * -in arg - input file - default stdin
+ * -out arg - output file - default stdout
+ * -check - check the parameters are ok
* -noout
* -text
* -C
@@ -87,269 +88,250 @@
int MAIN(int, char **);
int MAIN(int argc, char **argv)
- {
- DH *dh=NULL;
- int i,badops=0,text=0;
- BIO *in=NULL,*out=NULL;
- int informat,outformat,check=0,noout=0,C=0,ret=1;
- char *infile,*outfile,*prog;
-#ifndef OPENSSL_NO_ENGINE
- char *engine;
-#endif
+{
+ DH *dh = NULL;
+ int i, badops = 0, text = 0;
+ BIO *in = NULL, *out = NULL;
+ int informat, outformat, check = 0, noout = 0, C = 0, ret = 1;
+ char *infile, *outfile, *prog;
+# ifndef OPENSSL_NO_ENGINE
+ char *engine;
+# endif
- apps_startup();
+ 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 (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;
+ if (!load_config(bio_err, NULL))
+ goto end;
-#ifndef OPENSSL_NO_ENGINE
- engine=NULL;
-#endif
- 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;
- else if (strcmp(*argv,"-C") == 0)
- C=1;
- else if (strcmp(*argv,"-noout") == 0)
- noout=1;
- else
- {
- BIO_printf(bio_err,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- argc--;
- argv++;
- }
+# ifndef OPENSSL_NO_ENGINE
+ engine = NULL;
+# endif
+ infile = NULL;
+ outfile = NULL;
+ informat = FORMAT_PEM;
+ outformat = FORMAT_PEM;
- if (badops)
- {
-bad:
- BIO_printf(bio_err,"%s [options] <infile >outfile\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");
- 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," -noout no output\n");
-#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
-#endif
- goto end;
- }
+ 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;
+ else if (strcmp(*argv, "-C") == 0)
+ C = 1;
+ else if (strcmp(*argv, "-noout") == 0)
+ noout = 1;
+ else {
+ BIO_printf(bio_err, "unknown option %s\n", *argv);
+ badops = 1;
+ break;
+ }
+ argc--;
+ argv++;
+ }
- ERR_load_crypto_strings();
+ if (badops) {
+ bad:
+ BIO_printf(bio_err, "%s [options] <infile >outfile\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");
+ 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, " -noout no output\n");
+# ifndef OPENSSL_NO_ENGINE
+ BIO_printf(bio_err,
+ " -engine e use engine e, possibly a hardware device.\n");
+# endif
+ goto end;
+ }
-#ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-#endif
+ ERR_load_crypto_strings();
- in=BIO_new(BIO_s_file());
- out=BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
+# ifndef OPENSSL_NO_ENGINE
+ setup_engine(bio_err, engine, 0);
+# endif
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- 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;
- }
- }
+ in = BIO_new(BIO_s_file());
+ out = BIO_new(BIO_s_file());
+ if ((in == NULL) || (out == NULL)) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
- if (informat == FORMAT_ASN1)
- dh=d2i_DHparams_bio(in,NULL);
- else if (informat == FORMAT_PEM)
- dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
- else
- {
- BIO_printf(bio_err,"bad input format specified\n");
- goto end;
- }
- if (dh == NULL)
- {
- BIO_printf(bio_err,"unable to load DH parameters\n");
- 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 (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 (informat == FORMAT_ASN1)
+ dh = d2i_DHparams_bio(in, NULL);
+ else if (informat == FORMAT_PEM)
+ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
+ else {
+ BIO_printf(bio_err, "bad input format specified\n");
+ goto end;
+ }
+ if (dh == NULL) {
+ BIO_printf(bio_err, "unable to load DH parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
- if (text)
- {
- DHparams_print(out,dh);
-#ifdef undef
- printf("p=");
- BN_print(stdout,dh->p);
- printf("\ng=");
- BN_print(stdout,dh->g);
- printf("\n");
- if (dh->length != 0)
- printf("recommended private length=%ld\n",dh->length);
-#endif
- }
-
- 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;
+ if (text) {
+ DHparams_print(out, dh);
+# ifdef undef
+ printf("p=");
+ BN_print(stdout, dh->p);
+ printf("\ng=");
+ BN_print(stdout, dh->g);
+ printf("\n");
+ if (dh->length != 0)
+ printf("recommended private length=%ld\n", dh->length);
+# endif
+ }
- 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;
- }
- l=BN_bn2bin(dh->p,data);
- printf("static unsigned char dh%d_p[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n");
+ 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;
- l=BN_bn2bin(dh->g,data);
- printf("static unsigned char dh%d_g[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n\n");
+ 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;
+ }
+ l = BN_bn2bin(dh->p, data);
+ printf("static unsigned char dh%d_p[]={", bits);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t};\n");
- printf("DH *get_dh%d()\n\t{\n",bits);
- 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\treturn(NULL);\n");
- printf("\treturn(dh);\n\t}\n");
- OPENSSL_free(data);
- }
+ l = BN_bn2bin(dh->g, data);
+ printf("static unsigned char dh%d_g[]={", bits);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t};\n\n");
+ printf("DH *get_dh%d()\n\t{\n", bits);
+ 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\treturn(NULL);\n");
+ 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);
- }
-#else /* !OPENSSL_NO_DH */
+ 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);
+}
+#else /* !OPENSSL_NO_DH */
# if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
# endif
#endif