diff options
Diffstat (limited to 'openssl/apps/dhparam.c')
| -rw-r--r-- | openssl/apps/dhparam.c | 845 |
1 files changed, 416 insertions, 429 deletions
diff --git a/openssl/apps/dhparam.c b/openssl/apps/dhparam.c index 1297d6fb5..57199a8d2 100644 --- a/openssl/apps/dhparam.c +++ b/openssl/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 2048 -/* -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 +149,398 @@ 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 2048)\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) { + if (dh->q) + i = PEM_write_bio_DHxparams(out, dh); + else + 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 |