-/* apps/pkey.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 2006-2020 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 <stdio.h>
#include <string.h>
#include "apps.h"
+#include "progs.h"
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/evp.h>
-#define PROG pkey_main
+#ifndef OPENSSL_NO_EC
+# include <openssl/ec.h>
+
+static OPT_PAIR ec_conv_forms[] = {
+ {"compressed", POINT_CONVERSION_COMPRESSED},
+ {"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
+ {"hybrid", POINT_CONVERSION_HYBRID},
+ {NULL}
+};
+
+static OPT_PAIR ec_param_enc[] = {
+ {"named_curve", OPENSSL_EC_NAMED_CURVE},
+ {"explicit", 0},
+ {NULL}
+};
+#endif
-int MAIN(int, char **);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
+ OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
+ OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL, OPT_CHECK, OPT_PUB_CHECK,
+ OPT_EC_PARAM_ENC, OPT_EC_CONV_FORM,
+ OPT_PROV_ENUM
+} OPTION_CHOICE;
-int MAIN(int argc, char **argv)
- {
- ENGINE *e = NULL;
- char **args, *infile = NULL, *outfile = NULL;
- char *passargin = NULL, *passargout = NULL;
- BIO *in = NULL, *out = NULL;
- const EVP_CIPHER *cipher = NULL;
- int informat, outformat;
- int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0;
- EVP_PKEY *pkey=NULL;
- char *passin = NULL, *passout = NULL;
- int badarg = 0;
+const OPTIONS pkey_options[] = {
+ OPT_SECTION("General"),
+ {"help", OPT_HELP, '-', "Display this summary"},
#ifndef OPENSSL_NO_ENGINE
- char *engine=NULL;
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
- int ret = 1;
+ {"check", OPT_CHECK, '-', "Check key consistency"},
+ {"pubcheck", OPT_PUB_CHECK, '-', "Check public key consistency"},
+ {"", OPT_MD, '-', "Any supported cipher"},
+ {"ec_param_enc", OPT_EC_PARAM_ENC, 's',
+ "Specifies the way the ec parameters are encoded"},
+ {"ec_conv_form", OPT_EC_CONV_FORM, 's',
+ "Specifies the point conversion form "},
- if (bio_err == NULL)
- bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
+ OPT_SECTION("Input"),
+ {"in", OPT_IN, 's', "Input key"},
+ {"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"pubin", OPT_PUBIN, '-',
+ "Read public key from input (default is private key)"},
+ {"traditional", OPT_TRADITIONAL, '-',
+ "Use traditional format for private keys"},
- if (!load_config(bio_err, NULL))
- goto end;
+ OPT_SECTION("Output"),
+ {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
+ {"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"},
+ {"text", OPT_TEXT, '-', "Output in plaintext as well"},
+ {"noout", OPT_NOOUT, '-', "Don't output the key"},
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
+ OPT_PROV_OPTIONS,
+ {NULL}
+};
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- args = argv + 1;
- while (!badarg && *args && *args[0] == '-')
- {
- if (!strcmp(*args,"-inform"))
- {
- if (args[1])
- {
- args++;
- informat=str2fmt(*args);
- }
- else badarg = 1;
- }
- else if (!strcmp(*args,"-outform"))
- {
- if (args[1])
- {
- args++;
- outformat=str2fmt(*args);
- }
- else badarg = 1;
- }
- else if (!strcmp(*args,"-passin"))
- {
- if (!args[1]) goto bad;
- passargin= *(++args);
- }
- else if (!strcmp(*args,"-passout"))
- {
- if (!args[1]) goto bad;
- passargout= *(++args);
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*args,"-engine") == 0)
- {
- if (!args[1]) goto bad;
- engine= *(++args);
- }
+int pkey_main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL;
+ ENGINE *e = NULL;
+ EVP_PKEY *pkey = NULL;
+ const EVP_CIPHER *cipher = NULL;
+ char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
+ char *passinarg = NULL, *passoutarg = NULL, *prog;
+ OPTION_CHOICE o;
+ int informat = FORMAT_PEM, outformat = FORMAT_PEM;
+ int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1;
+ int private = 0, traditional = 0, check = 0, pub_check = 0;
+#ifndef OPENSSL_NO_EC
+ EC_KEY *eckey;
+ int ec_asn1_flag = OPENSSL_EC_NAMED_CURVE, new_ec_asn1_flag = 0;
+ int i, new_ec_form = 0;
+ point_conversion_form_t ec_form = POINT_CONVERSION_UNCOMPRESSED;
#endif
- else if (!strcmp (*args, "-in"))
- {
- if (args[1])
- {
- args++;
- infile = *args;
- }
- else badarg = 1;
- }
- else if (!strcmp (*args, "-out"))
- {
- if (args[1])
- {
- args++;
- outfile = *args;
- }
- else badarg = 1;
- }
- else if (strcmp(*args,"-pubin") == 0)
- {
- pubin=1;
- pubout=1;
- pubtext=1;
- }
- else if (strcmp(*args,"-pubout") == 0)
- pubout=1;
- else if (strcmp(*args,"-text_pub") == 0)
- {
- pubtext=1;
- text=1;
- }
- else if (strcmp(*args,"-text") == 0)
- text=1;
- else if (strcmp(*args,"-noout") == 0)
- noout=1;
- else
- {
- cipher = EVP_get_cipherbyname(*args + 1);
- if (!cipher)
- {
- BIO_printf(bio_err, "Unknown cipher %s\n",
- *args + 1);
- badarg = 1;
- }
- }
- args++;
- }
- if (badarg)
- {
- bad:
- BIO_printf(bio_err, "Usage pkey [options]\n");
- BIO_printf(bio_err, "where options are\n");
- BIO_printf(bio_err, "-in file input file\n");
- BIO_printf(bio_err, "-inform X input format (DER or PEM)\n");
- BIO_printf(bio_err, "-passin arg input file pass phrase source\n");
- BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err, "-passout arg output file pass phrase source\n");
-#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
+ prog = opt_init(argc, argv, pkey_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(pkey_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
+ goto opthelp;
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_PUBIN:
+ pubin = pubout = pubtext = 1;
+ break;
+ case OPT_PUBOUT:
+ pubout = 1;
+ break;
+ case OPT_TEXT_PUB:
+ pubtext = text = 1;
+ break;
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_NOOUT:
+ noout = 1;
+ break;
+ case OPT_TRADITIONAL:
+ traditional = 1;
+ break;
+ case OPT_CHECK:
+ check = 1;
+ break;
+ case OPT_PUB_CHECK:
+ pub_check = 1;
+ break;
+ case OPT_MD:
+ if (!opt_cipher(opt_unknown(), &cipher))
+ goto opthelp;
+ break;
+ case OPT_EC_CONV_FORM:
+#ifdef OPENSSL_NO_EC
+ goto opthelp;
+#else
+ if (!opt_pair(opt_arg(), ec_conv_forms, &i))
+ goto opthelp;
+ new_ec_form = 1;
+ ec_form = i;
+ break;
#endif
- return 1;
- }
-
-#ifndef OPENSSL_NO_ENGINE
- e = setup_engine(bio_err, engine, 0);
+ case OPT_EC_PARAM_ENC:
+#ifdef OPENSSL_NO_EC
+ goto opthelp;
+#else
+ if (!opt_pair(opt_arg(), ec_param_enc, &i))
+ goto opthelp;
+ new_ec_asn1_flag = 1;
+ ec_asn1_flag = i;
+ break;
#endif
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
+ goto end;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ if (argc != 0)
+ goto opthelp;
+
+ private = !noout && !pubout ? 1 : 0;
+ if (text && !pubtext)
+ private = 1;
+
+ if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
+ BIO_printf(bio_err, "Error getting passwords\n");
+ goto end;
+ }
- if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
- {
- BIO_printf(bio_err, "Error getting passwords\n");
- goto end;
- }
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ 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);
- }
+ if (pubin)
+ pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
+ else
+ pkey = load_key(infile, informat, 1, passin, e, "key");
+ if (pkey == NULL)
+ goto end;
+
+#ifndef OPENSSL_NO_EC
+ /*
+ * TODO: remove this and use a set params call with a 'pkeyopt' command
+ * line option instead.
+ */
+ if (new_ec_form || new_ec_asn1_flag) {
+ if ((eckey = EVP_PKEY_get0_EC_KEY(pkey)) == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (new_ec_form)
+ EC_KEY_set_conv_form(eckey, ec_form);
+
+ if (new_ec_asn1_flag)
+ EC_KEY_set_asn1_flag(eckey, ec_asn1_flag);
+ }
#endif
- }
- if (pubin)
- pkey = load_pubkey(bio_err, infile, informat, 1,
- passin, e, "Public Key");
- else
- pkey = load_key(bio_err, infile, informat, 1,
- passin, e, "key");
- if (!pkey)
- goto end;
+ if (check || pub_check) {
+ int r;
+ EVP_PKEY_CTX *ctx;
+
+ ctx = EVP_PKEY_CTX_new(pkey, e);
+ if (ctx == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ if (check)
+ r = EVP_PKEY_check(ctx);
+ else
+ r = EVP_PKEY_public_check(ctx);
+
+ if (r == 1) {
+ BIO_printf(out, "Key is valid\n");
+ } else {
+ /*
+ * Note: at least for RSA keys if this function returns
+ * -1, there will be no error reasons.
+ */
+ unsigned long err;
+
+ BIO_printf(out, "Key is invalid\n");
- if (!noout)
- {
- if (outformat == FORMAT_PEM)
- {
- if (pubout)
- PEM_write_bio_PUBKEY(out,pkey);
- else
- PEM_write_bio_PrivateKey(out, pkey, cipher,
- NULL, 0, NULL, passout);
- }
- else if (outformat == FORMAT_ASN1)
- {
- if (pubout)
- i2d_PUBKEY_bio(out, pkey);
- else
- i2d_PrivateKey_bio(out, pkey);
- }
- else
- {
- BIO_printf(bio_err, "Bad format specified for key\n");
- goto end;
- }
+ while ((err = ERR_peek_error()) != 0) {
+ BIO_printf(out, "Detailed error: %s\n",
+ ERR_reason_error_string(err));
+ ERR_get_error(); /* remove err from error stack */
+ }
+ }
+ EVP_PKEY_CTX_free(ctx);
+ }
- }
+ if (!noout) {
+ if (outformat == FORMAT_PEM) {
+ if (pubout) {
+ if (!PEM_write_bio_PUBKEY(out, pkey))
+ goto end;
+ } else {
+ assert(private);
+ if (traditional) {
+ if (!PEM_write_bio_PrivateKey_traditional(out, pkey, cipher,
+ NULL, 0, NULL,
+ passout))
+ goto end;
+ } else {
+ if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
+ NULL, 0, NULL, passout))
+ goto end;
+ }
+ }
+ } else if (outformat == FORMAT_ASN1) {
+ if (pubout) {
+ if (!i2d_PUBKEY_bio(out, pkey))
+ goto end;
+ } else {
+ assert(private);
+ if (!i2d_PrivateKey_bio(out, pkey))
+ goto end;
+ }
+ } else {
+ BIO_printf(bio_err, "Bad format specified for key\n");
+ goto end;
+ }
+ }
- if (text)
- {
- if (pubtext)
- EVP_PKEY_print_public(out, pkey, 0, NULL);
- else
- EVP_PKEY_print_private(out, pkey, 0, NULL);
- }
+ if (text) {
+ if (pubtext) {
+ if (EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0)
+ goto end;
+ } else {
+ assert(private);
+ if (EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0)
+ goto end;
+ }
+ }
- ret = 0;
+ ret = 0;
- end:
- EVP_PKEY_free(pkey);
- BIO_free_all(out);
- BIO_free(in);
- if (passin)
- OPENSSL_free(passin);
- if (passout)
- OPENSSL_free(passout);
+ end:
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ EVP_PKEY_free(pkey);
+ release_engine(e);
+ BIO_free_all(out);
+ BIO_free(in);
+ OPENSSL_free(passin);
+ OPENSSL_free(passout);
- return ret;
- }
+ return ret;
+}