X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fgenpkey.c;h=0f2a97137acceb75e4cee4ecb3854fe73cfd3e65;hp=6dfda08b9e09f2d7ca3e4bea10f3ce27e8ffebeb;hb=e1cd94f2dca4056ce042c62b89c468dffc088033;hpb=70531c147c2d38b03f109312a270ccc0af6cf8d6 diff --git a/apps/genpkey.c b/apps/genpkey.c index 6dfda08b9e..0f2a97137a 100644 --- a/apps/genpkey.c +++ b/apps/genpkey.c @@ -1,440 +1,320 @@ -/* apps/genpkey.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2006 - */ -/* ==================================================================== - * Copyright (c) 2006 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 - * licensing@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 2006-2021 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the Apache License 2.0 (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 #include #include "apps.h" +#include "progs.h" #include #include #include -#ifndef OPENSSL_NO_ENGINE -#include -#endif - -static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, - const char *file, ENGINE *e); -static int genpkey_cb(EVP_PKEY_CTX *ctx); - -#define PROG genpkey_main - -int MAIN(int, char **); - -int MAIN(int argc, char **argv) - { - ENGINE *e = NULL; - char **args, *outfile = NULL; - char *passarg = NULL; - BIO *in = NULL, *out = NULL; - const EVP_CIPHER *cipher = NULL; - int outformat; - int text = 0; - EVP_PKEY *pkey=NULL; - EVP_PKEY_CTX *ctx = NULL; - char *pass = NULL; - int badarg = 0; - int ret = 1, rv; - - int do_param = 0; - - if (bio_err == NULL) - bio_err = BIO_new_fp (stderr, BIO_NOCLOSE); - - if (!load_config(bio_err, NULL)) - goto end; - - outformat=FORMAT_PEM; - - ERR_load_crypto_strings(); - OpenSSL_add_all_algorithms(); - args = argv + 1; - while (!badarg && *args && *args[0] == '-') - { - if (!strcmp(*args,"-outform")) - { - if (args[1]) - { - args++; - outformat=str2fmt(*args); - } - else badarg = 1; - } - else if (!strcmp(*args,"-pass")) - { - if (!args[1]) goto bad; - passarg= *(++args); - } -#ifndef OPENSSL_NO_ENGINE - else if (strcmp(*args,"-engine") == 0) - { - if (!args[1]) - goto bad; - e = setup_engine(bio_err, *(++args), 0); - } -#endif - else if (!strcmp (*args, "-paramfile")) - { - if (!args[1]) - goto bad; - args++; - if (do_param == 1) - goto bad; - if (!init_keygen_file(bio_err, &ctx, *args, e)) - goto end; - } - else if (!strcmp (*args, "-out")) - { - if (args[1]) - { - args++; - outfile = *args; - } - else badarg = 1; - } - else if (strcmp(*args,"-algorithm") == 0) - { - if (!args[1]) - goto bad; - if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param)) - goto end; - } - else if (strcmp(*args,"-pkeyopt") == 0) - { - if (!args[1]) - goto bad; - if (!ctx) - { - BIO_puts(bio_err, "No keytype specified\n"); - goto bad; - } - else if (pkey_ctrl_string(ctx, *(++args)) <= 0) - { - BIO_puts(bio_err, "parameter setting error\n"); - ERR_print_errors(bio_err); - goto end; - } - } - else if (strcmp(*args,"-genparam") == 0) - { - if (ctx) - goto bad; - do_param = 1; - } - else if (strcmp(*args,"-text") == 0) - text=1; - else - { - cipher = EVP_get_cipherbyname(*args + 1); - if (!cipher) - { - BIO_printf(bio_err, "Unknown cipher %s\n", - *args + 1); - badarg = 1; - } - if (do_param == 1) - badarg = 1; - } - args++; - } - - if (!ctx) - badarg = 1; - - if (badarg) - { - bad: - BIO_printf(bio_err, "Usage: genpkey [options]\n"); - BIO_printf(bio_err, "where options may be\n"); - BIO_printf(bio_err, "-out file output file\n"); - BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); - BIO_printf(bio_err, "-pass arg output file pass phrase source\n"); - BIO_printf(bio_err, "- use cipher to encrypt the key\n"); -#ifndef OPENSSL_NO_ENGINE - BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n"); -#endif - BIO_printf(bio_err, "-paramfile file parameters file\n"); - BIO_printf(bio_err, "-algorithm alg the public key algorithm\n"); - BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option \n" - " to value \n"); - BIO_printf(bio_err, "-genparam generate parameters, not key\n"); - BIO_printf(bio_err, "-text print the in text\n"); - BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n"); - goto end; - } - - if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) - { - BIO_puts(bio_err, "Error getting password\n"); - goto end; - } - - if (outfile) - { - if (!(out = BIO_new_file (outfile, "wb"))) - { - BIO_printf(bio_err, - "Can't open output file %s\n", outfile); - goto end; - } - } - else - { - out = BIO_new_fp (stdout, BIO_NOCLOSE); -#ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } -#endif - } - - EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); - EVP_PKEY_CTX_set_app_data(ctx, bio_err); - - if (do_param) - { - if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) - { - BIO_puts(bio_err, "Error generating parameters\n"); - ERR_print_errors(bio_err); - goto end; - } - } - else - { - if (EVP_PKEY_keygen(ctx, &pkey) <= 0) - { - BIO_puts(bio_err, "Error generating key\n"); - ERR_print_errors(bio_err); - goto end; - } - } - - if (do_param) - rv = PEM_write_bio_Parameters(out, pkey); - else if (outformat == FORMAT_PEM) - rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, - NULL, pass); - else if (outformat == FORMAT_ASN1) - rv = i2d_PrivateKey_bio(out, pkey); - else - { - BIO_printf(bio_err, "Bad format specified for key\n"); - goto end; - } - - if (rv <= 0) - { - BIO_puts(bio_err, "Error writing key\n"); - ERR_print_errors(bio_err); - } - - if (text) - { - if (do_param) - rv = EVP_PKEY_print_params(out, pkey, 0, NULL); - else - rv = EVP_PKEY_print_private(out, pkey, 0, NULL); - - if (rv <= 0) - { - BIO_puts(bio_err, "Error printing key\n"); - ERR_print_errors(bio_err); - } - } - - ret = 0; - - end: - if (pkey) - EVP_PKEY_free(pkey); - if (ctx) - EVP_PKEY_CTX_free(ctx); - if (out) - BIO_free_all(out); - BIO_free(in); - if (pass) - OPENSSL_free(pass); - - return ret; - } - -static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, - const char *file, ENGINE *e) - { - BIO *pbio; - EVP_PKEY *pkey = NULL; - EVP_PKEY_CTX *ctx = NULL; - if (*pctx) - { - BIO_puts(err, "Parameters already set!\n"); - return 0; - } - - pbio = BIO_new_file(file, "r"); - if (!pbio) - { - BIO_printf(err, "Can't open parameter file %s\n", file); - return 0; - } - - pkey = PEM_read_bio_Parameters(pbio, NULL); - BIO_free(pbio); - - if (!pkey) - { - BIO_printf(bio_err, "Error reading parameter file %s\n", file); - return 0; - } - - ctx = EVP_PKEY_CTX_new(pkey, e); - if (!ctx) - goto err; - if (EVP_PKEY_keygen_init(ctx) <= 0) - goto err; - EVP_PKEY_free(pkey); - *pctx = ctx; - return 1; - - err: - BIO_puts(err, "Error initializing context\n"); - ERR_print_errors(err); - if (ctx) - EVP_PKEY_CTX_free(ctx); - if (pkey) - EVP_PKEY_free(pkey); - return 0; - - } - -int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx, - const char *algname, ENGINE *e, int do_param) - { - EVP_PKEY_CTX *ctx = NULL; - const EVP_PKEY_ASN1_METHOD *ameth; - ENGINE *tmpeng = NULL; - int pkey_id; - - if (*pctx) - { - BIO_puts(err, "Algorithm already set!\n"); - return 0; - } - - ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1); +static int quiet; + +static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e, + OSSL_LIB_CTX *libctx, const char *propq); +typedef enum OPTION_choice { + OPT_COMMON, + OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE, + OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER, + OPT_QUIET, OPT_CONFIG, + OPT_PROV_ENUM +} OPTION_CHOICE; + +const OPTIONS genpkey_options[] = { + OPT_SECTION("General"), + {"help", OPT_HELP, '-', "Display this summary"}, #ifndef OPENSSL_NO_ENGINE - if (!ameth && e) - ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1); + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, #endif + {"paramfile", OPT_PARAMFILE, '<', "Parameters file"}, + {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"}, + {"quiet", OPT_QUIET, '-', "Do not output status while generating keys"}, + {"pkeyopt", OPT_PKEYOPT, 's', + "Set the public key algorithm option as opt:value"}, + OPT_CONFIG_OPTION, + + OPT_SECTION("Output"), + {"out", OPT_OUT, '>', "Output file"}, + {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"}, + {"pass", OPT_PASS, 's', "Output file pass phrase source"}, + {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"}, + {"text", OPT_TEXT, '-', "Print the in text"}, + {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"}, + + OPT_PROV_OPTIONS, + + /* This is deliberately last. */ + {OPT_HELP_STR, 1, 1, + "Order of options may be important! See the documentation.\n"}, + {NULL} +}; + +int genpkey_main(int argc, char **argv) +{ + CONF *conf = NULL; + BIO *in = NULL, *out = NULL; + ENGINE *e = NULL; + EVP_PKEY *pkey = NULL; + EVP_PKEY_CTX *ctx = NULL; + char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog, *p; + const char *ciphername = NULL, *paramfile = NULL, *algname = NULL; + EVP_CIPHER *cipher = NULL; + OPTION_CHOICE o; + int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0; + int private = 0, i; + OSSL_LIB_CTX *libctx = app_get0_libctx(); + STACK_OF(OPENSSL_STRING) *keyopt = NULL; + + opt_set_unknown_name("cipher"); + prog = opt_init(argc, argv, genpkey_options); + keyopt = sk_OPENSSL_STRING_new_null(); + if (keyopt == NULL) + goto end; + 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: + ret = 0; + opt_help(genpkey_options); + goto end; + case OPT_OUTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) + goto opthelp; + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_PASS: + passarg = opt_arg(); + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_PARAMFILE: + if (do_param == 1) + goto opthelp; + paramfile = opt_arg(); + break; + case OPT_ALGORITHM: + algname = opt_arg(); + break; + case OPT_PKEYOPT: + if (!sk_OPENSSL_STRING_push(keyopt, opt_arg())) + goto end; + break; + case OPT_QUIET: + quiet = 1; + break; + case OPT_GENPARAM: + do_param = 1; + break; + case OPT_TEXT: + text = 1; + break; + case OPT_CIPHER: + ciphername = opt_unknown(); + break; + case OPT_CONFIG: + conf = app_load_config_modules(opt_arg()); + if (conf == NULL) + goto end; + break; + case OPT_PROV_CASES: + if (!opt_provider(o)) + goto end; + break; + } + } + + /* No extra arguments. */ + if (!opt_check_rest_arg(NULL)) + goto opthelp; + + /* Fetch cipher, etc. */ + if (paramfile != NULL) { + if (!init_keygen_file(&ctx, paramfile, e, libctx, app_get0_propq())) + goto end; + } + if (algname != NULL) { + if (!init_gen_str(&ctx, algname, e, do_param, libctx, app_get0_propq())) + goto end; + } + if (ctx == NULL) + goto opthelp; + + for (i = 0; i < sk_OPENSSL_STRING_num(keyopt); i++) { + p = sk_OPENSSL_STRING_value(keyopt, i); + if (pkey_ctrl_string(ctx, p) <= 0) { + BIO_printf(bio_err, "%s: Error setting %s parameter:\n", prog, p); + ERR_print_errors(bio_err); + goto end; + } + } + if (!opt_cipher(ciphername, &cipher)) + goto opthelp; + if (ciphername != NULL && do_param == 1) { + BIO_printf(bio_err, "Cannot use cipher with -genparam option\n"); + goto opthelp; + } + + private = do_param ? 0 : 1; + + if (!app_passwd(passarg, NULL, &pass, NULL)) { + BIO_puts(bio_err, "Error getting password\n"); + goto end; + } + + out = bio_open_owner(outfile, outformat, private); + if (out == NULL) + goto end; + + if (!quiet) + EVP_PKEY_CTX_set_cb(ctx, progress_cb); + EVP_PKEY_CTX_set_app_data(ctx, bio_err); + + pkey = do_param ? app_paramgen(ctx, algname) + : app_keygen(ctx, algname, 0, 0 /* not verbose */); + + if (do_param) { + rv = PEM_write_bio_Parameters(out, pkey); + } else if (outformat == FORMAT_PEM) { + assert(private); + rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass); + } else if (outformat == FORMAT_ASN1) { + assert(private); + rv = i2d_PrivateKey_bio(out, pkey); + } else { + BIO_printf(bio_err, "Bad format specified for key\n"); + goto end; + } + + ret = 0; + + if (rv <= 0) { + BIO_puts(bio_err, "Error writing key\n"); + ret = 1; + } + + if (text) { + if (do_param) + rv = EVP_PKEY_print_params(out, pkey, 0, NULL); + else + rv = EVP_PKEY_print_private(out, pkey, 0, NULL); + + if (rv <= 0) { + BIO_puts(bio_err, "Error printing key\n"); + ret = 1; + } + } + + end: + sk_OPENSSL_STRING_free(keyopt); + if (ret != 0) + ERR_print_errors(bio_err); + EVP_PKEY_free(pkey); + EVP_PKEY_CTX_free(ctx); + EVP_CIPHER_free(cipher); + BIO_free_all(out); + BIO_free(in); + release_engine(e); + OPENSSL_free(pass); + NCONF_free(conf); + return ret; +} + +static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e, + OSSL_LIB_CTX *libctx, const char *propq) +{ + BIO *pbio; + EVP_PKEY *pkey = NULL; + EVP_PKEY_CTX *ctx = NULL; + if (*pctx) { + BIO_puts(bio_err, "Parameters already set!\n"); + return 0; + } + + pbio = BIO_new_file(file, "r"); + if (pbio == NULL) { + BIO_printf(bio_err, "Can't open parameter file %s\n", file); + return 0; + } + + pkey = PEM_read_bio_Parameters_ex(pbio, NULL, libctx, propq); + BIO_free(pbio); + + if (pkey == NULL) { + BIO_printf(bio_err, "Error reading parameter file %s\n", file); + return 0; + } + + if (e != NULL) + ctx = EVP_PKEY_CTX_new(pkey, e); + else + ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq); + if (ctx == NULL) + goto err; + if (EVP_PKEY_keygen_init(ctx) <= 0) + goto err; + EVP_PKEY_free(pkey); + *pctx = ctx; + return 1; + + err: + BIO_puts(bio_err, "Error initializing context\n"); + ERR_print_errors(bio_err); + EVP_PKEY_CTX_free(ctx); + EVP_PKEY_free(pkey); + return 0; + +} + +int init_gen_str(EVP_PKEY_CTX **pctx, + const char *algname, ENGINE *e, int do_param, + OSSL_LIB_CTX *libctx, const char *propq) +{ + EVP_PKEY_CTX *ctx = NULL; + int pkey_id; + + if (*pctx) { + BIO_puts(bio_err, "Algorithm already set!\n"); + return 0; + } + + pkey_id = get_legacy_pkey_id(libctx, algname, e); + if (pkey_id != NID_undef) + ctx = EVP_PKEY_CTX_new_id(pkey_id, e); + else + ctx = EVP_PKEY_CTX_new_from_name(libctx, algname, propq); + + if (ctx == NULL) + goto err; + if (do_param) { + if (EVP_PKEY_paramgen_init(ctx) <= 0) + goto err; + } else { + if (EVP_PKEY_keygen_init(ctx) <= 0) + goto err; + } + + *pctx = ctx; + return 1; + + err: + BIO_printf(bio_err, "Error initializing %s context\n", algname); + ERR_print_errors(bio_err); + EVP_PKEY_CTX_free(ctx); + return 0; + +} - if (!ameth) - { - BIO_printf(bio_err, "Algorithm %s not found\n", algname); - return 0; - } - - ERR_clear_error(); - - EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth); -#ifndef OPENSSL_NO_ENGINE - if (tmpeng) - ENGINE_finish(tmpeng); -#endif - ctx = EVP_PKEY_CTX_new_id(pkey_id, e); - - if (!ctx) - goto err; - if (do_param) - { - if (EVP_PKEY_paramgen_init(ctx) <= 0) - goto err; - } - else - { - if (EVP_PKEY_keygen_init(ctx) <= 0) - goto err; - } - - *pctx = ctx; - return 1; - - err: - BIO_printf(err, "Error initializing %s context\n", algname); - ERR_print_errors(err); - if (ctx) - EVP_PKEY_CTX_free(ctx); - return 0; - - } - -static int genpkey_cb(EVP_PKEY_CTX *ctx) - { - char c='*'; - BIO *b = EVP_PKEY_CTX_get_app_data(ctx); - int p; - p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); - if (p == 0) c='.'; - if (p == 1) c='+'; - if (p == 2) c='*'; - if (p == 3) c='\n'; - BIO_write(b,&c,1); - (void)BIO_flush(b); -#ifdef LINT - p=n; -#endif - return 1; - }