-/* apps/ec.c */
/*
- * Written by Nils Larsch for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 1998-2005 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 2002-2022 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 <string.h>
#include <openssl/opensslconf.h>
-#ifndef OPENSSL_NO_EC
-# include <stdio.h>
-# include <stdlib.h>
-# include <string.h>
-# include "apps.h"
-# include <openssl/bio.h>
-# include <openssl/err.h>
-# include <openssl/evp.h>
-# include <openssl/pem.h>
+#include <openssl/evp.h>
+#include <openssl/encoder.h>
+#include <openssl/decoder.h>
+#include <openssl/core_names.h>
+#include <openssl/core_dispatch.h>
+#include <openssl/params.h>
+#include <openssl/err.h>
-# undef PROG
-# define PROG ec_main
+#include "apps.h"
+#include "progs.h"
+#include "ec_common.h"
-/*-
- * -inform arg - input format - default PEM (one of DER, NET or PEM)
- * -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
- * -des - encrypt output if PEM format with DES in cbc mode
- * -text - print a text version
- * -param_out - print the elliptic curve parameters
- * -conv_form arg - specifies the point encoding form
- * -param_enc arg - specifies the parameter encoding
- */
-
-int MAIN(int, char **);
+typedef enum OPTION_choice {
+ OPT_COMMON,
+ OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
+ OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
+ OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER,
+ OPT_NO_PUBLIC, OPT_CHECK, OPT_PROV_ENUM
+} OPTION_CHOICE;
-int MAIN(int argc, char **argv)
-{
- int ret = 1;
- EC_KEY *eckey = NULL;
- const EC_GROUP *group;
- int i, badops = 0;
- const EVP_CIPHER *enc = NULL;
- BIO *in = NULL, *out = NULL;
- int informat, outformat, text = 0, noout = 0;
- int pubin = 0, pubout = 0, param_out = 0;
- char *infile, *outfile, *prog, *engine;
- char *passargin = NULL, *passargout = NULL;
- char *passin = NULL, *passout = NULL;
- point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
- int new_form = 0;
- int asn1_flag = OPENSSL_EC_NAMED_CURVE;
- int new_asn1_flag = 0;
+const OPTIONS ec_options[] = {
+ OPT_SECTION("General"),
+ {"help", OPT_HELP, '-', "Display this summary"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
- apps_startup();
+ OPT_SECTION("Input"),
+ {"in", OPT_IN, 's', "Input file"},
+ {"inform", OPT_INFORM, 'f', "Input format (DER/PEM/P12/ENGINE)"},
+ {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"check", OPT_CHECK, '-', "check key consistency"},
+ {"", OPT_CIPHER, '-', "Any supported cipher"},
+ {"param_enc", OPT_PARAM_ENC, 's',
+ "Specifies the way the ec parameters are encoded"},
+ {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "},
- if (bio_err == NULL)
- if ((bio_err = BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+ OPT_SECTION("Output"),
+ {"out", OPT_OUT, '>', "Output file"},
+ {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
+ {"noout", OPT_NOOUT, '-', "Don't print key out"},
+ {"text", OPT_TEXT, '-', "Print the key"},
+ {"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"},
+ {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
+ {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
- if (!load_config(bio_err, NULL))
- goto end;
+ OPT_PROV_OPTIONS,
+ {NULL}
+};
- engine = NULL;
- infile = NULL;
- outfile = NULL;
- informat = FORMAT_PEM;
- outformat = FORMAT_PEM;
+int ec_main(int argc, char **argv)
+{
+ OSSL_ENCODER_CTX *ectx = NULL;
+ OSSL_DECODER_CTX *dctx = NULL;
+ EVP_PKEY_CTX *pctx = NULL;
+ EVP_PKEY *eckey = NULL;
+ BIO *out = NULL;
+ ENGINE *e = NULL;
+ EVP_CIPHER *enc = NULL;
+ char *infile = NULL, *outfile = NULL, *ciphername = NULL, *prog;
+ char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
+ OPTION_CHOICE o;
+ int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, text = 0, noout = 0;
+ int pubin = 0, pubout = 0, param_out = 0, ret = 1, private = 0;
+ int check = 0;
+ char *asn1_encoding = NULL;
+ char *point_format = NULL;
+ int no_public = 0;
- 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);
- } else if (strcmp(*argv, "-passin") == 0) {
- if (--argc < 1)
- goto bad;
- passargin = *(++argv);
- } else if (strcmp(*argv, "-passout") == 0) {
- if (--argc < 1)
- goto bad;
- passargout = *(++argv);
- } else if (strcmp(*argv, "-engine") == 0) {
- if (--argc < 1)
- goto bad;
- engine = *(++argv);
- } else if (strcmp(*argv, "-noout") == 0)
+ opt_set_unknown_name("cipher");
+ prog = opt_init(argc, argv, ec_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(ec_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_NOOUT:
noout = 1;
- else if (strcmp(*argv, "-text") == 0)
+ break;
+ case OPT_TEXT:
text = 1;
- else if (strcmp(*argv, "-conv_form") == 0) {
- if (--argc < 1)
- goto bad;
- ++argv;
- new_form = 1;
- if (strcmp(*argv, "compressed") == 0)
- form = POINT_CONVERSION_COMPRESSED;
- else if (strcmp(*argv, "uncompressed") == 0)
- form = POINT_CONVERSION_UNCOMPRESSED;
- else if (strcmp(*argv, "hybrid") == 0)
- form = POINT_CONVERSION_HYBRID;
- else
- goto bad;
- } else if (strcmp(*argv, "-param_enc") == 0) {
- if (--argc < 1)
- goto bad;
- ++argv;
- new_asn1_flag = 1;
- if (strcmp(*argv, "named_curve") == 0)
- asn1_flag = OPENSSL_EC_NAMED_CURVE;
- else if (strcmp(*argv, "explicit") == 0)
- asn1_flag = 0;
- else
- goto bad;
- } else if (strcmp(*argv, "-param_out") == 0)
+ break;
+ case OPT_PARAM_OUT:
param_out = 1;
- else if (strcmp(*argv, "-pubin") == 0)
+ break;
+ case OPT_PUBIN:
pubin = 1;
- else if (strcmp(*argv, "-pubout") == 0)
+ break;
+ case OPT_PUBOUT:
pubout = 1;
- else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
- BIO_printf(bio_err, "unknown option %s\n", *argv);
- badops = 1;
+ 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_CIPHER:
+ ciphername = opt_unknown();
+ break;
+ case OPT_CONV_FORM:
+ point_format = opt_arg();
+ if (!opt_string(point_format, point_format_options))
+ goto opthelp;
+ break;
+ case OPT_PARAM_ENC:
+ asn1_encoding = opt_arg();
+ if (!opt_string(asn1_encoding, asn1_encoding_options))
+ goto opthelp;
+ break;
+ case OPT_NO_PUBLIC:
+ no_public = 1;
+ break;
+ case OPT_CHECK:
+ check = 1;
+ break;
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
+ goto end;
break;
}
- argc--;
- argv++;
}
- 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 - "
- "DER or PEM\n");
- BIO_printf(bio_err, " -outform arg output format - "
- "DER or PEM\n");
- BIO_printf(bio_err, " -in arg input file\n");
- BIO_printf(bio_err, " -passin arg input file pass "
- "phrase source\n");
- BIO_printf(bio_err, " -out arg output file\n");
- BIO_printf(bio_err, " -passout arg output file pass "
- "phrase source\n");
- BIO_printf(bio_err, " -engine e use engine e, "
- "possibly a hardware device.\n");
- BIO_printf(bio_err, " -des encrypt PEM output, "
- "instead of 'des' every other \n"
- " cipher "
- "supported by OpenSSL can be used\n");
- BIO_printf(bio_err, " -text print the key\n");
- BIO_printf(bio_err, " -noout don't print key out\n");
- BIO_printf(bio_err, " -param_out print the elliptic "
- "curve parameters\n");
- BIO_printf(bio_err, " -conv_form arg specifies the "
- "point conversion form \n");
- BIO_printf(bio_err, " possible values:"
- " compressed\n");
- BIO_printf(bio_err, " "
- " uncompressed (default)\n");
- BIO_printf(bio_err, " " " hybrid\n");
- BIO_printf(bio_err, " -param_enc arg specifies the way"
- " the ec parameters are encoded\n");
- BIO_printf(bio_err, " in the asn1 der " "encoding\n");
- BIO_printf(bio_err, " possible values:"
- " named_curve (default)\n");
- BIO_printf(bio_err, " "
- "explicit\n");
- goto end;
- }
-
- ERR_load_crypto_strings();
+ /* No extra arguments. */
+ if (!opt_check_rest_arg(NULL))
+ goto opthelp;
-# ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-# endif
+ if (!opt_cipher(ciphername, &enc))
+ goto opthelp;
+ private = param_out || pubin || pubout ? 0 : 1;
+ if (text && !pubin)
+ private = 1;
- if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
+ if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
- in = BIO_new(BIO_s_file());
- out = BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL)) {
- ERR_print_errors(bio_err);
+ BIO_printf(bio_err, "read EC key\n");
+
+ if (pubin)
+ eckey = load_pubkey(infile, informat, 1, passin, e, "public key");
+ else
+ eckey = load_key(infile, informat, 1, passin, e, "private key");
+
+ if (eckey == NULL) {
+ BIO_printf(bio_err, "unable to load Key\n");
goto end;
}
- if (infile == NULL)
- BIO_set_fp(in, stdin, BIO_NOCLOSE);
- else {
- if (BIO_read_filename(in, infile) <= 0) {
- perror(infile);
- goto end;
- }
- }
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
- BIO_printf(bio_err, "read EC key\n");
- if (informat == FORMAT_ASN1) {
- if (pubin)
- eckey = d2i_EC_PUBKEY_bio(in, NULL);
- else
- eckey = d2i_ECPrivateKey_bio(in, NULL);
- } else if (informat == FORMAT_PEM) {
- if (pubin)
- eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL);
- else
- eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin);
- } else {
- BIO_printf(bio_err, "bad input format specified for key\n");
+ if (point_format
+ && !EVP_PKEY_set_utf8_string_param(
+ eckey, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
+ point_format)) {
+ BIO_printf(bio_err, "unable to set point conversion format\n");
goto end;
}
- if (eckey == NULL) {
- BIO_printf(bio_err, "unable to load Key\n");
- ERR_print_errors(bio_err);
+
+ if (asn1_encoding != NULL
+ && !EVP_PKEY_set_utf8_string_param(
+ eckey, OSSL_PKEY_PARAM_EC_ENCODING, asn1_encoding)) {
+ BIO_printf(bio_err, "unable to set asn1 encoding format\n");
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);
+ if (no_public) {
+ if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0)) {
+ BIO_printf(bio_err, "unable to disable public key encoding\n");
+ goto end;
}
-# endif
} else {
- if (BIO_write_filename(out, outfile) <= 0) {
- perror(outfile);
+ if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 1)) {
+ BIO_printf(bio_err, "unable to enable public key encoding\n");
goto end;
}
}
- group = EC_KEY_get0_group(eckey);
-
- if (new_form)
- EC_KEY_set_conv_form(eckey, form);
-
- if (new_asn1_flag)
- EC_KEY_set_asn1_flag(eckey, asn1_flag);
-
- if (text)
- if (!EC_KEY_print(out, eckey, 0)) {
- perror(outfile);
- ERR_print_errors(bio_err);
+ if (text) {
+ assert(pubin || private);
+ if ((pubin && EVP_PKEY_print_public(out, eckey, 0, NULL) <= 0)
+ || (!pubin && EVP_PKEY_print_private(out, eckey, 0, NULL) <= 0)) {
+ BIO_printf(bio_err, "unable to print EC key\n");
goto end;
}
-
- if (noout) {
- ret = 0;
- goto end;
}
- BIO_printf(bio_err, "writing EC key\n");
- if (outformat == FORMAT_ASN1) {
- if (param_out)
- i = i2d_ECPKParameters_bio(out, group);
- else if (pubin || pubout)
- i = i2d_EC_PUBKEY_bio(out, eckey);
- else
- i = i2d_ECPrivateKey_bio(out, eckey);
- } else if (outformat == FORMAT_PEM) {
- if (param_out)
- i = PEM_write_bio_ECPKParameters(out, group);
- else if (pubin || pubout)
- i = PEM_write_bio_EC_PUBKEY(out, eckey);
+ if (check) {
+ pctx = EVP_PKEY_CTX_new_from_pkey(NULL, eckey, NULL);
+ if (pctx == NULL) {
+ BIO_printf(bio_err, "unable to check EC key\n");
+ goto end;
+ }
+ if (!EVP_PKEY_check(pctx))
+ BIO_printf(bio_err, "EC Key Invalid!\n");
else
- i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
- NULL, 0, NULL, passout);
- } else {
- BIO_printf(bio_err, "bad output format specified for " "outfile\n");
- goto end;
+ BIO_printf(bio_err, "EC Key valid.\n");
+ ERR_print_errors(bio_err);
}
- if (!i) {
- BIO_printf(bio_err, "unable to write private key\n");
+ if (!noout) {
+ int selection;
+ const char *output_type = outformat == FORMAT_ASN1 ? "DER" : "PEM";
+ const char *output_structure = "type-specific";
+
+ BIO_printf(bio_err, "writing EC key\n");
+ if (param_out) {
+ selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS;
+ } else if (pubin || pubout) {
+ selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS
+ | OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
+ output_structure = "SubjectPublicKeyInfo";
+ } else {
+ selection = OSSL_KEYMGMT_SELECT_ALL;
+ assert(private);
+ }
+
+ ectx = OSSL_ENCODER_CTX_new_for_pkey(eckey, selection,
+ output_type, output_structure,
+ NULL);
+ if (enc != NULL) {
+ OSSL_ENCODER_CTX_set_cipher(ectx, EVP_CIPHER_get0_name(enc), NULL);
+ /* Default passphrase prompter */
+ OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
+ if (passout != NULL)
+ /* When passout given, override the passphrase prompter */
+ OSSL_ENCODER_CTX_set_passphrase(ectx,
+ (const unsigned char *)passout,
+ strlen(passout));
+ }
+ if (!OSSL_ENCODER_to_bio(ectx, out)) {
+ BIO_printf(bio_err, "unable to write EC key\n");
+ goto end;
+ }
+ }
+
+ ret = 0;
+end:
+ if (ret != 0)
ERR_print_errors(bio_err);
- } else
- ret = 0;
- end:
- BIO_free(in);
BIO_free_all(out);
- if (eckey)
- EC_KEY_free(eckey);
- if (passin)
- OPENSSL_free(passin);
- if (passout)
- OPENSSL_free(passout);
- apps_shutdown();
- OPENSSL_EXIT(ret);
+ EVP_PKEY_free(eckey);
+ EVP_CIPHER_free(enc);
+ OSSL_ENCODER_CTX_free(ectx);
+ OSSL_DECODER_CTX_free(dctx);
+ EVP_PKEY_CTX_free(pctx);
+ release_engine(e);
+ if (passin != NULL)
+ OPENSSL_clear_free(passin, strlen(passin));
+ if (passout != NULL)
+ OPENSSL_clear_free(passout, strlen(passout));
+ return ret;
}
-#else /* !OPENSSL_NO_EC */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
-#endif
projects / openssl.git / blobdiff