/*
- * 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 2006-2018 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 "apps.h"
+#include "progs.h"
#include <string.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/evp.h>
+#define KEY_NONE 0
#define KEY_PRIVKEY 1
#define KEY_PUBKEY 2
#define KEY_CERT 3
-static EVP_PKEY_CTX *init_ctx(int *pkeysize,
+static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize,
const char *keyfile, int keyform, int key_type,
char *passinarg, int pkey_op, ENGINE *e,
const int impl);
static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
unsigned char *out, size_t *poutlen,
- unsigned char *in, size_t inlen);
+ const unsigned char *in, size_t inlen);
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN,
OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN,
- OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT
+ OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_KDF, OPT_KDFLEN,
+ OPT_R_ENUM
} OPTION_CHOICE;
-OPTIONS pkeyutl_options[] = {
+const OPTIONS pkeyutl_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"in", OPT_IN, '<', "Input file - default stdin"},
{"out", OPT_OUT, '>', "Output file - default stdout"},
{"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"},
{"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"},
{"derive", OPT_DERIVE, '-', "Derive shared secret"},
+ {"kdf", OPT_KDF, 's', "Use KDF algorithm"},
+ {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"},
{"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"},
{"inkey", OPT_INKEY, 's', "Input private key file"},
{"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"},
- {"passin", OPT_PASSIN, 's', "Pass phrase source"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"},
{"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
{"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
+ OPT_R_OPTIONS,
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
{"engine_impl", OPT_ENGINE_IMPL, '-',
char hexdump = 0, asn1parse = 0, rev = 0, *prog;
unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
OPTION_CHOICE o;
- int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform =
- FORMAT_PEM;
+ int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM;
int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
int engine_impl = 0;
int ret = 1, rv = -1;
size_t buf_outlen;
const char *inkey = NULL;
const char *peerkey = NULL;
+ const char *kdfalg = NULL;
+ int kdflen = 0;
STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
prog = opt_init(argc, argv, pkeyutl_options);
if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform))
goto opthelp;
break;
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
+ break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_DERIVE:
pkey_op = EVP_PKEY_OP_DERIVE;
break;
+ case OPT_KDF:
+ pkey_op = EVP_PKEY_OP_DERIVE;
+ key_type = KEY_NONE;
+ kdfalg = opt_arg();
+ break;
+ case OPT_KDFLEN:
+ kdflen = atoi(opt_arg());
+ break;
case OPT_REV:
rev = 1;
break;
case OPT_PKEYOPT:
if ((pkeyopts == NULL &&
(pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) ||
- sk_OPENSSL_STRING_push(pkeyopts, *++argv) == 0) {
+ sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) {
BIO_puts(bio_err, "out of memory\n");
goto end;
}
if (argc != 0)
goto opthelp;
- if (inkey == NULL ||
- (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE))
+ if (kdfalg != NULL) {
+ if (kdflen == 0) {
+ BIO_printf(bio_err,
+ "%s: no KDF length given (-kdflen parameter).\n", prog);
+ goto opthelp;
+ }
+ } else if (inkey == NULL) {
+ BIO_printf(bio_err,
+ "%s: no private key given (-inkey parameter).\n", prog);
goto opthelp;
-
- ctx = init_ctx(&keysize, inkey, keyform, key_type,
+ } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) {
+ BIO_printf(bio_err,
+ "%s: no peer key given (-peerkey parameter).\n", prog);
+ goto opthelp;
+ }
+ ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type,
passinarg, pkey_op, e, engine_impl);
if (ctx == NULL) {
BIO_printf(bio_err, "%s: Error initializing context\n", prog);
const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i);
if (pkey_ctrl_string(ctx, opt) <= 0) {
- BIO_printf(bio_err, "%s: Can't set parameter:\n", prog);
+ BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n",
+ prog, opt);
ERR_print_errors(bio_err);
goto end;
}
}
}
- if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) {
+ if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) {
BIO_printf(bio_err,
"%s: Signature file specified for non verify\n", prog);
goto end;
}
- if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) {
+ if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) {
BIO_printf(bio_err,
"%s: No signature file specified for verify\n", prog);
goto end;
}
-/* FIXME: seed PRNG only if needed */
- app_RAND_load_file(NULL, 0);
-
if (pkey_op != EVP_PKEY_OP_DERIVE) {
in = bio_open_default(infile, 'r', FORMAT_BINARY);
if (in == NULL)
if (out == NULL)
goto end;
- if (sigfile) {
+ if (sigfile != NULL) {
BIO *sigbio = BIO_new_file(sigfile, "rb");
- if (!sigbio) {
+
+ if (sigbio == NULL) {
BIO_printf(bio_err, "Can't open signature file %s\n", sigfile);
goto end;
}
}
}
- if (in) {
+ if (in != NULL) {
/* Read the input data */
buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
if (buf_inlen < 0) {
BIO_printf(bio_err, "Error reading input Data\n");
- exit(1);
+ goto end;
}
if (rev) {
size_t i;
}
}
+ /* Sanity check the input */
+ if (buf_inlen > EVP_MAX_MD_SIZE
+ && (pkey_op == EVP_PKEY_OP_SIGN
+ || pkey_op == EVP_PKEY_OP_VERIFY
+ || pkey_op == EVP_PKEY_OP_VERIFYRECOVER)) {
+ BIO_printf(bio_err,
+ "Error: The input data looks too long to be a hash\n");
+ goto end;
+ }
+
if (pkey_op == EVP_PKEY_OP_VERIFY) {
rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
buf_in, (size_t)buf_inlen);
if (rv == 1) {
BIO_puts(out, "Signature Verified Successfully\n");
ret = 0;
- } else
+ } else {
BIO_puts(out, "Signature Verification Failure\n");
+ }
goto end;
}
- rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
- buf_in, (size_t)buf_inlen);
+ if (kdflen != 0) {
+ buf_outlen = kdflen;
+ rv = 1;
+ } else {
+ rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
+ buf_in, (size_t)buf_inlen);
+ }
if (rv > 0 && buf_outlen != 0) {
buf_out = app_malloc(buf_outlen, "buffer output");
rv = do_keyop(ctx, pkey_op,
buf_out, (size_t *)&buf_outlen,
buf_in, (size_t)buf_inlen);
}
- if (rv < 0) {
+ if (rv <= 0) {
+ if (pkey_op != EVP_PKEY_OP_DERIVE) {
+ BIO_puts(bio_err, "Public Key operation error\n");
+ } else {
+ BIO_puts(bio_err, "Key derivation failed\n");
+ }
ERR_print_errors(bio_err);
goto end;
}
if (asn1parse) {
if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
ERR_print_errors(bio_err);
- } else if (hexdump)
+ } else if (hexdump) {
BIO_dump(out, (char *)buf_out, buf_outlen);
- else
+ } else {
BIO_write(out, buf_out, buf_outlen);
+ }
end:
EVP_PKEY_CTX_free(ctx);
+ release_engine(e);
BIO_free(in);
BIO_free_all(out);
OPENSSL_free(buf_in);
return ret;
}
-static EVP_PKEY_CTX *init_ctx(int *pkeysize,
+static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize,
const char *keyfile, int keyform, int key_type,
char *passinarg, int pkey_op, ENGINE *e,
const int engine_impl)
X509 *x;
if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
|| (pkey_op == EVP_PKEY_OP_DERIVE))
- && (key_type != KEY_PRIVKEY)) {
+ && (key_type != KEY_PRIVKEY && kdfalg == NULL)) {
BIO_printf(bio_err, "A private key is needed for this operation\n");
goto end;
}
break;
case KEY_CERT:
- x = load_cert(keyfile, keyform, NULL, e, "Certificate");
+ x = load_cert(keyfile, keyform, "Certificate");
if (x) {
pkey = X509_get_pubkey(x);
X509_free(x);
}
break;
- }
-
- *pkeysize = EVP_PKEY_size(pkey);
+ case KEY_NONE:
+ break;
- if (!pkey)
- goto end;
+ }
#ifndef OPENSSL_NO_ENGINE
if (engine_impl)
impl = e;
#endif
-
- ctx = EVP_PKEY_CTX_new(pkey, impl);
- EVP_PKEY_free(pkey);
+ if (kdfalg != NULL) {
+ int kdfnid = OBJ_sn2nid(kdfalg);
+
+ if (kdfnid == NID_undef) {
+ kdfnid = OBJ_ln2nid(kdfalg);
+ if (kdfnid == NID_undef) {
+ BIO_printf(bio_err, "The given KDF \"%s\" is unknown.\n",
+ kdfalg);
+ goto end;
+ }
+ }
+ ctx = EVP_PKEY_CTX_new_id(kdfnid, impl);
+ } else {
+ if (pkey == NULL)
+ goto end;
+ *pkeysize = EVP_PKEY_size(pkey);
+ ctx = EVP_PKEY_CTX_new(pkey, impl);
+ EVP_PKEY_free(pkey);
+ }
if (ctx == NULL)
goto end;
}
static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file,
- ENGINE* e)
+ ENGINE *e)
{
EVP_PKEY *peer = NULL;
- ENGINE* engine = NULL;
+ ENGINE *engine = NULL;
int ret;
if (peerform == FORMAT_ENGINE)
engine = e;
peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key");
- if (!peer) {
+ if (peer == NULL) {
BIO_printf(bio_err, "Error reading peer key %s\n", file);
ERR_print_errors(bio_err);
return 0;
static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
unsigned char *out, size_t *poutlen,
- unsigned char *in, size_t inlen)
+ const unsigned char *in, size_t inlen)
{
int rv = 0;
switch (pkey_op) {