X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fdhparam.c;h=5fca25e17a4c265836e401321ec3e3862c99f48c;hp=12a2be64550be3d609eea7ebeca0610c1799ed25;hb=af7e05c7c60b87723efccc01f6d03ebc07cdd93c;hpb=d64070838ebba86f00fb3755df5d3e65106e1628 diff --git a/apps/dhparam.c b/apps/dhparam.c index 12a2be6455..5fca25e17a 100644 --- a/apps/dhparam.c +++ b/apps/dhparam.c @@ -1,116 +1,17 @@ -/* apps/dhparam.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * 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: - * 1. Redistributions of source code must retain the copyright - * 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 the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * 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 - * 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 - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * 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.] - */ -/* ==================================================================== - * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * 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 - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ -#include /* for OPENSSL_NO_DH */ -#ifndef OPENSSL_NO_DH +#include +#ifdef OPENSSL_NO_DH +NON_EMPTY_TRANSLATION_UNIT +#else + # include # include # include @@ -127,182 +28,144 @@ # include # endif -# undef PROG -# define PROG dhparam_main - # define DEFBITS 2048 -/*- - * -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 - * -dsaparam - read or generate DSA parameters, convert to DH - * -check - check the parameters are ok - * -noout - * -text - * -C - */ - static int 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; +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, + OPT_ENGINE, OPT_CHECK, OPT_TEXT, OPT_NOOUT, + OPT_RAND, OPT_DSAPARAM, OPT_C, OPT_2, OPT_5 +} OPTION_CHOICE; + +const OPTIONS dhparam_options[] = { + {OPT_HELP_STR, 1, '-', "Usage: %s [flags] [numbits]\n"}, + {OPT_HELP_STR, 1, '-', "Valid options are:\n"}, + {"help", OPT_HELP, '-', "Display this summary"}, + {"in", OPT_IN, '<', "Input file"}, + {"inform", OPT_INFORM, 'F', "Input format, DER or PEM"}, + {"outform", OPT_OUTFORM, 'F', "Output format, DER or PEM"}, + {"out", OPT_OUT, '>', "Output file"}, + {"check", OPT_CHECK, '-', "Check the DH parameters"}, + {"text", OPT_TEXT, '-', "Print a text form of the DH parameters"}, + {"noout", OPT_NOOUT, '-', "Don't output any DH parameters"}, + {"rand", OPT_RAND, 's', + "Load the file(s) into the random number generator"}, + {"C", OPT_C, '-', "Print C code"}, + {"2", OPT_2, '-', "Generate parameters using 2 as the generator value"}, + {"5", OPT_5, '-', "Generate parameters using 5 as the generator value"}, # ifndef OPENSSL_NO_DSA - int dsaparam = 0; + {"dsaparam", OPT_DSAPARAM, '-', + "Read or generate DSA parameters, convert to DH"}, # 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; + {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, # endif - int num = 0, g = 0; + {NULL} +}; - 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) +int dhparam_main(int argc, char **argv) +{ + BIO *in = NULL, *out = NULL; + DH *dh = NULL; + char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL; + ENGINE *e = NULL; +#ifndef OPENSSL_NO_DSA + int dsaparam = 0; +#endif + int i, text = 0, C = 0, ret = 1, num = 0, g = 0; + int informat = FORMAT_PEM, outformat = FORMAT_PEM, check = 0, noout = 0; + OPTION_CHOICE o; + + prog = opt_init(argc, argv, dhparam_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: + opthelp: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + opt_help(dhparam_options); + ret = 0; + goto end; + case OPT_INFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) + goto opthelp; + break; + case OPT_OUTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) + goto opthelp; + break; + case OPT_IN: + infile = opt_arg(); + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_CHECK: check = 1; - else if (strcmp(*argv, "-text") == 0) + break; + case OPT_TEXT: text = 1; -# ifndef OPENSSL_NO_DSA - else if (strcmp(*argv, "-dsaparam") == 0) + break; + case OPT_DSAPARAM: +#ifndef OPENSSL_NO_DSA dsaparam = 1; -# endif - else if (strcmp(*argv, "-C") == 0) +#endif + break; + case OPT_C: C = 1; - else if (strcmp(*argv, "-noout") == 0) - noout = 1; - else if (strcmp(*argv, "-2") == 0) + break; + case OPT_2: g = 2; - else if (strcmp(*argv, "-5") == 0) + break; + case OPT_5: 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--; + break; + case OPT_NOOUT: + noout = 1; + break; + case OPT_RAND: + inrand = opt_arg(); + break; + } } + argc = opt_num_rest(); + argv = opt_rest(); - 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"); + if (argv[0] && (!opt_int(argv[0], &num) || num <= 0)) 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 (dsaparam && g) { + BIO_printf(bio_err, + "generator may not be chosen for DSA parameters\n"); + goto end; } +# endif + /* DH parameters */ + if (num && !g) + g = 2; if (num) { BN_GENCB *cb; cb = BN_GENCB_new(); - if (!cb) { + if (cb == NULL) { ERR_print_errors(bio_err); goto end; } BN_GENCB_set(cb, dh_cb, bio_err); - if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) { + if (!app_RAND_load_file(NULL, 1) && inrand == NULL) { BIO_printf(bio_err, "warning, not much extra random data, consider using the -rand option\n"); } @@ -316,7 +179,7 @@ int MAIN(int argc, char **argv) BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); - if (!dsa + if (dsa == NULL || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) { DSA_free(dsa); @@ -340,7 +203,7 @@ int MAIN(int argc, char **argv) "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)) { + if (dh == NULL || !DH_generate_parameters_ex(dh, num, g, cb)) { BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; @@ -348,27 +211,13 @@ int MAIN(int argc, char **argv) } BN_GENCB_free(cb); - app_RAND_write_file(NULL, bio_err); + app_RAND_write_file(NULL); } else { - in = BIO_new(BIO_s_file()); - if (in == NULL) { - ERR_print_errors(bio_err); + in = bio_open_default(infile, 'r', informat); + if (in == NULL) 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; @@ -408,25 +257,9 @@ int MAIN(int argc, char **argv) /* dh != NULL */ } - out = BIO_new(BIO_s_file()); - if (out == NULL) { - ERR_print_errors(bio_err); + out = bio_open_default(outfile, 'w', outformat); + if (out == NULL) 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); @@ -438,75 +271,81 @@ int MAIN(int argc, char **argv) goto end; } if (i & DH_CHECK_P_NOT_PRIME) - printf("p value is not prime\n"); + BIO_printf(bio_err, "WARNING: p value is not prime\n"); if (i & DH_CHECK_P_NOT_SAFE_PRIME) - printf("p value is not a safe prime\n"); + BIO_printf(bio_err, "WARNING: p value is not a safe prime\n"); + if (i & DH_CHECK_Q_NOT_PRIME) + BIO_printf(bio_err, "WARNING: q value is not a prime\n"); + if (i & DH_CHECK_INVALID_Q_VALUE) + BIO_printf(bio_err, "WARNING: q value is invalid\n"); + if (i & DH_CHECK_INVALID_J_VALUE) + BIO_printf(bio_err, "WARNING: j value is invalid\n"); if (i & DH_UNABLE_TO_CHECK_GENERATOR) - printf("unable to check the generator value\n"); + BIO_printf(bio_err, + "WARNING: unable to check the generator value\n"); if (i & DH_NOT_SUITABLE_GENERATOR) - printf("the g value is not a generator\n"); + BIO_printf(bio_err, "WARNING: the g value is not a generator\n"); if (i == 0) - printf("DH parameters appear to be ok.\n"); + BIO_printf(bio_err, "DH parameters appear to be ok.\n"); + if (num != 0 && i != 0) { + /* + * We have generated parameters but DH_check() indicates they are + * invalid! This should never happen! + */ + BIO_printf(bio_err, "ERROR: Invalid parameters generated\n"); + goto end; + } } 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 \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"); + int len, bits; + const BIGNUM *pbn, *gbn; + + len = DH_size(dh); + bits = DH_bits(dh); + DH_get0_pqg(dh, &pbn, NULL, &gbn); + data = app_malloc(len, "print a BN"); + BIO_printf(out, "#ifndef HEADER_DH_H\n" + "# include \n" + "#endif\n" + "\n"); + BIO_printf(out, "DH *get_dh%d()\n{\n", bits); + print_bignum_var(out, pbn, "dhp", bits, data); + print_bignum_var(out, gbn, "dhg", bits, data); + BIO_printf(out, " DH *dh = DH_new();\n" + " BIGNUM *dhp_bn, *dhg_bn;\n" + "\n" + " if (dh == NULL)\n" + " return NULL;\n"); + BIO_printf(out, " dhp_bn = BN_bin2bn(dhp_%d, sizeof (dhp_%d), NULL);\n", + bits, bits); + BIO_printf(out, " dhg_bn = BN_bin2bn(dhg_%d, sizeof (dhg_%d), NULL);\n", + bits, bits); + BIO_printf(out, " if (dhp_bn == NULL || dhg_bn == NULL\n" + " || !DH_set0_pqg(dh, dhp_bn, NULL, dhg_bn)) {\n" + " DH_free(dh);\n" + " BN_free(dhp_bn);\n" + " BN_free(dhg_bn);\n" + " return NULL;\n" + " }\n"); + if (DH_get_length(dh) > 0) + BIO_printf(out, + " if (!DH_set_length(dh, %ld)) {\n" + " DH_free(dh);\n" + " }\n", DH_get_length(dh)); + BIO_printf(out, " return dh;\n}\n"); OPENSSL_free(data); } if (!noout) { + const BIGNUM *q; + DH_get0_pqg(dh, NULL, &q, NULL); 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; - } + else if (q != NULL) + i = PEM_write_bio_DHxparams(out, dh); + else + i = PEM_write_bio_DHparams(out, dh); if (!i) { BIO_printf(bio_err, "unable to write DH parameters\n"); ERR_print_errors(bio_err); @@ -515,16 +354,13 @@ int MAIN(int argc, char **argv) } ret = 0; end: - if (in != NULL) - BIO_free(in); - if (out != NULL) - BIO_free_all(out); + BIO_free(in); + BIO_free_all(out); DH_free(dh); - apps_shutdown(); - OPENSSL_EXIT(ret); + release_engine(e); + return (ret); } -/* dh_cb is identical to dsa_cb in apps/dsaparam.c */ static int dh_cb(int p, int n, BN_GENCB *cb) { char c = '*'; @@ -541,11 +377,4 @@ static int dh_cb(int p, int n, BN_GENCB *cb) (void)BIO_flush(BN_GENCB_get_arg(cb)); return 1; } - -#else /* !OPENSSL_NO_DH */ - -# if PEDANTIC -static void *dummy = &dummy; -# endif - #endif