2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/err.h>
62 #include <openssl/pem.h>
63 #include <openssl/evp.h>
69 static void usage(void);
73 #define PROG pkeyutl_main
75 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
76 const char *keyfile, int keyform, int key_type,
77 char *passargin, int pkey_op, ENGINE *e,
80 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
81 const char *file, ENGINE* e);
83 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
84 unsigned char *out, size_t *poutlen,
85 unsigned char *in, size_t inlen);
87 int MAIN(int argc, char **);
89 int MAIN(int argc, char **argv)
91 BIO *in = NULL, *out = NULL;
92 char *infile = NULL, *outfile = NULL, *sigfile = NULL;
94 int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
95 int keyform = FORMAT_PEM, peerform = FORMAT_PEM;
96 char badarg = 0, rev = 0;
97 char hexdump = 0, asn1parse = 0;
98 EVP_PKEY_CTX *ctx = NULL;
99 char *passargin = NULL;
102 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
103 size_t buf_outlen = 0;
104 int buf_inlen = 0, siglen = -1;
105 const char *inkey = NULL;
106 const char *peerkey = NULL;
107 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
109 int ret = 1, rv = -1;
115 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
117 if (!load_config(bio_err, NULL))
119 ERR_load_crypto_strings();
120 OpenSSL_add_all_algorithms();
123 if (!strcmp(*argv, "-in")) {
128 } else if (!strcmp(*argv, "-out")) {
133 } else if (!strcmp(*argv, "-sigfile")) {
138 } else if (!strcmp(*argv, "-inkey")) {
143 } else if (!strcmp(*argv, "-peerkey")) {
148 } else if (!strcmp(*argv, "-passin")) {
152 passargin = *(++argv);
153 } else if (strcmp(*argv, "-peerform") == 0) {
157 peerform = str2fmt(*(++argv));
158 } else if (strcmp(*argv, "-keyform") == 0) {
162 keyform = str2fmt(*(++argv));
164 #ifndef OPENSSL_NO_ENGINE
165 else if (!strcmp(*argv, "-engine")) {
169 e = setup_engine(bio_err, *(++argv), 0);
170 } else if (!strcmp(*argv, "-engine_impl")) {
174 else if (!strcmp(*argv, "-pubin"))
175 key_type = KEY_PUBKEY;
176 else if (!strcmp(*argv, "-certin"))
178 else if (!strcmp(*argv, "-asn1parse"))
180 else if (!strcmp(*argv, "-hexdump"))
182 else if (!strcmp(*argv, "-sign"))
183 pkey_op = EVP_PKEY_OP_SIGN;
184 else if (!strcmp(*argv, "-verify"))
185 pkey_op = EVP_PKEY_OP_VERIFY;
186 else if (!strcmp(*argv, "-verifyrecover"))
187 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
188 else if (!strcmp(*argv, "-encrypt"))
189 pkey_op = EVP_PKEY_OP_ENCRYPT;
190 else if (!strcmp(*argv, "-decrypt"))
191 pkey_op = EVP_PKEY_OP_DECRYPT;
192 else if (!strcmp(*argv, "-derive"))
193 pkey_op = EVP_PKEY_OP_DERIVE;
194 else if (!strcmp(*argv, "-rev"))
196 else if (strcmp(*argv, "-pkeyopt") == 0) {
199 else if ((pkeyopts == NULL &&
200 (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) ||
201 sk_OPENSSL_STRING_push(pkeyopts, *++argv) == 0) {
202 BIO_puts(bio_err, "out of memory\n");
216 (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE)) {
220 ctx = init_ctx(&keysize, inkey, keyform, key_type,
221 passargin, pkey_op, e, engine_impl);
223 BIO_puts(bio_err, "Error initializing context\n");
224 ERR_print_errors(bio_err);
227 if (peerkey != NULL && !setup_peer(bio_err, ctx, peerform, peerkey, e)) {
228 BIO_puts(bio_err, "Error setting up peer key\n");
229 ERR_print_errors(bio_err);
232 if (pkeyopts != NULL) {
233 int num = sk_OPENSSL_STRING_num(pkeyopts);
236 for (i = 0; i < num; ++i) {
237 const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i);
239 if (pkey_ctrl_string(ctx, opt) <= 0) {
240 BIO_puts(bio_err, "parameter setting error\n");
241 ERR_print_errors(bio_err);
247 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) {
248 BIO_puts(bio_err, "Signature file specified for non verify\n");
252 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) {
253 BIO_puts(bio_err, "No signature file specified for verify\n");
257 /* FIXME: seed PRNG only if needed */
258 app_RAND_load_file(NULL, bio_err, 0);
260 if (pkey_op != EVP_PKEY_OP_DERIVE) {
262 if (!(in = BIO_new_file(infile, "rb"))) {
263 BIO_puts(bio_err, "Error Opening Input File\n");
264 ERR_print_errors(bio_err);
268 in = BIO_new_fp(stdin, BIO_NOCLOSE);
272 if (!(out = BIO_new_file(outfile, "wb"))) {
273 BIO_printf(bio_err, "Error Creating Output File\n");
274 ERR_print_errors(bio_err);
278 out = BIO_new_fp(stdout, BIO_NOCLOSE);
279 #ifdef OPENSSL_SYS_VMS
281 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
282 out = BIO_push(tmpbio, out);
288 BIO *sigbio = BIO_new_file(sigfile, "rb");
290 BIO_printf(bio_err, "Can't open signature file %s\n", sigfile);
293 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
296 BIO_printf(bio_err, "Error reading signature data\n");
302 /* Read the input data */
303 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
305 BIO_printf(bio_err, "Error reading input Data\n");
311 size_t l = (size_t)buf_inlen;
312 for (i = 0; i < l / 2; i++) {
314 buf_in[i] = buf_in[l - 1 - i];
315 buf_in[l - 1 - i] = ctmp;
320 if (pkey_op == EVP_PKEY_OP_VERIFY) {
321 rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
322 buf_in, (size_t)buf_inlen);
324 BIO_puts(out, "Signature Verification Failure\n");
326 BIO_puts(out, "Signature Verified Successfully\n");
332 rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
333 buf_in, (size_t)buf_inlen);
334 if (rv > 0 && buf_outlen != 0) {
335 buf_out = OPENSSL_malloc(buf_outlen);
339 rv = do_keyop(ctx, pkey_op,
340 buf_out, (size_t *)&buf_outlen,
341 buf_in, (size_t)buf_inlen);
346 BIO_printf(bio_err, "Public Key operation error\n");
347 ERR_print_errors(bio_err);
352 if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
353 ERR_print_errors(bio_err);
355 BIO_dump(out, (char *)buf_out, buf_outlen);
357 BIO_write(out, buf_out, buf_outlen);
361 EVP_PKEY_CTX_free(ctx);
366 OPENSSL_free(buf_in);
368 OPENSSL_free(buf_out);
371 if (pkeyopts != NULL)
372 sk_OPENSSL_STRING_free(pkeyopts);
378 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
379 BIO_printf(bio_err, "-in file input file\n");
380 BIO_printf(bio_err, "-out file output file\n");
382 "-sigfile file signature file (verify operation only)\n");
383 BIO_printf(bio_err, "-inkey file input key\n");
384 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
385 BIO_printf(bio_err, "-pubin input is a public key\n");
387 "-certin input is a certificate carrying a public key\n");
388 BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
389 BIO_printf(bio_err, "-sign sign with private key\n");
390 BIO_printf(bio_err, "-verify verify with public key\n");
392 "-verifyrecover verify with public key, recover original data\n");
393 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
394 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
395 BIO_printf(bio_err, "-derive derive shared secret\n");
396 BIO_printf(bio_err, "-hexdump hex dump output\n");
397 #ifndef OPENSSL_NO_ENGINE
399 "-engine e use engine e, maybe a hardware device, for loading keys.\n");
400 BIO_printf(bio_err, "-engine_impl also use engine given by -engine for crypto operations\n");
402 BIO_printf(bio_err, "-passin arg pass phrase source\n");
406 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
407 const char *keyfile, int keyform, int key_type,
408 char *passargin, int pkey_op, ENGINE *e,
411 EVP_PKEY *pkey = NULL;
412 EVP_PKEY_CTX *ctx = NULL;
417 if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
418 || (pkey_op == EVP_PKEY_OP_DERIVE))
419 && (key_type != KEY_PRIVKEY)) {
420 BIO_printf(bio_err, "A private key is needed for this operation\n");
423 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
424 BIO_printf(bio_err, "Error getting password\n");
429 pkey = load_key(bio_err, keyfile, keyform, 0,
430 passin, e, "Private Key");
434 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
435 NULL, e, "Public Key");
439 x = load_cert(bio_err, keyfile, keyform, NULL, e, "Certificate");
441 pkey = X509_get_pubkey(x);
448 *pkeysize = EVP_PKEY_size(pkey);
453 #ifndef OPENSSL_NO_ENGINE
458 ctx = EVP_PKEY_CTX_new(pkey, impl);
466 case EVP_PKEY_OP_SIGN:
467 rv = EVP_PKEY_sign_init(ctx);
470 case EVP_PKEY_OP_VERIFY:
471 rv = EVP_PKEY_verify_init(ctx);
474 case EVP_PKEY_OP_VERIFYRECOVER:
475 rv = EVP_PKEY_verify_recover_init(ctx);
478 case EVP_PKEY_OP_ENCRYPT:
479 rv = EVP_PKEY_encrypt_init(ctx);
482 case EVP_PKEY_OP_DECRYPT:
483 rv = EVP_PKEY_decrypt_init(ctx);
486 case EVP_PKEY_OP_DERIVE:
487 rv = EVP_PKEY_derive_init(ctx);
492 EVP_PKEY_CTX_free(ctx);
499 OPENSSL_free(passin);
505 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
506 const char *file, ENGINE* e)
508 EVP_PKEY *peer = NULL;
509 ENGINE* engine = NULL;
512 if (peerform == FORMAT_ENGINE)
514 peer = load_pubkey(bio_err, file, peerform, 0, NULL, engine, "Peer Key");
517 BIO_printf(bio_err, "Error reading peer key %s\n", file);
518 ERR_print_errors(err);
522 ret = EVP_PKEY_derive_set_peer(ctx, peer);
526 ERR_print_errors(err);
530 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
531 unsigned char *out, size_t *poutlen,
532 unsigned char *in, size_t inlen)
536 case EVP_PKEY_OP_VERIFYRECOVER:
537 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
540 case EVP_PKEY_OP_SIGN:
541 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
544 case EVP_PKEY_OP_ENCRYPT:
545 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
548 case EVP_PKEY_OP_DECRYPT:
549 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
552 case EVP_PKEY_OP_DERIVE:
553 rv = EVP_PKEY_derive(ctx, out, poutlen);