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 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;
103 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
105 int buf_inlen = 0, siglen = -1;
107 int ret = 1, rv = -1;
113 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
115 if (!load_config(bio_err, NULL))
117 ERR_load_crypto_strings();
118 OpenSSL_add_all_algorithms();
121 if (!strcmp(*argv, "-in")) {
126 } else if (!strcmp(*argv, "-out")) {
131 } else if (!strcmp(*argv, "-sigfile")) {
136 } else if (!strcmp(*argv, "-inkey")) {
140 ctx = init_ctx(&keysize,
141 *(++argv), keyform, key_type,
142 passargin, pkey_op, e, engine_impl);
144 BIO_puts(bio_err, "Error initializing context\n");
145 ERR_print_errors(bio_err);
149 } else if (!strcmp(*argv, "-peerkey")) {
152 else if (!setup_peer(bio_err, ctx, peerform, *(++argv), e))
154 } else if (!strcmp(*argv, "-passin")) {
158 passargin = *(++argv);
159 } else if (strcmp(*argv, "-peerform") == 0) {
163 peerform = str2fmt(*(++argv));
164 } else if (strcmp(*argv, "-keyform") == 0) {
168 keyform = str2fmt(*(++argv));
170 #ifndef OPENSSL_NO_ENGINE
171 else if (!strcmp(*argv, "-engine")) {
175 e = setup_engine(bio_err, *(++argv), 0);
176 } else if (!strcmp(*argv, "-engine_impl")) {
180 else if (!strcmp(*argv, "-pubin"))
181 key_type = KEY_PUBKEY;
182 else if (!strcmp(*argv, "-certin"))
184 else if (!strcmp(*argv, "-asn1parse"))
186 else if (!strcmp(*argv, "-hexdump"))
188 else if (!strcmp(*argv, "-sign"))
189 pkey_op = EVP_PKEY_OP_SIGN;
190 else if (!strcmp(*argv, "-verify"))
191 pkey_op = EVP_PKEY_OP_VERIFY;
192 else if (!strcmp(*argv, "-verifyrecover"))
193 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
194 else if (!strcmp(*argv, "-rev"))
196 else if (!strcmp(*argv, "-encrypt"))
197 pkey_op = EVP_PKEY_OP_ENCRYPT;
198 else if (!strcmp(*argv, "-decrypt"))
199 pkey_op = EVP_PKEY_OP_DECRYPT;
200 else if (!strcmp(*argv, "-derive"))
201 pkey_op = EVP_PKEY_OP_DERIVE;
202 else if (strcmp(*argv, "-pkeyopt") == 0) {
206 BIO_puts(bio_err, "-pkeyopt command before -inkey\n");
208 } else if (pkey_ctrl_string(ctx, *(++argv)) <= 0) {
209 BIO_puts(bio_err, "parameter setting error\n");
210 ERR_print_errors(bio_err);
228 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) {
229 BIO_puts(bio_err, "Signature file specified for non verify\n");
233 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) {
234 BIO_puts(bio_err, "No signature file specified for verify\n");
238 /* FIXME: seed PRNG only if needed */
239 app_RAND_load_file(NULL, bio_err, 0);
241 if (pkey_op != EVP_PKEY_OP_DERIVE) {
243 if (!(in = BIO_new_file(infile, "rb"))) {
244 BIO_puts(bio_err, "Error Opening Input File\n");
245 ERR_print_errors(bio_err);
249 in = BIO_new_fp(stdin, BIO_NOCLOSE);
253 if (!(out = BIO_new_file(outfile, "wb"))) {
254 BIO_printf(bio_err, "Error Creating Output File\n");
255 ERR_print_errors(bio_err);
259 out = BIO_new_fp(stdout, BIO_NOCLOSE);
260 #ifdef OPENSSL_SYS_VMS
262 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
263 out = BIO_push(tmpbio, out);
269 BIO *sigbio = BIO_new_file(sigfile, "rb");
271 BIO_printf(bio_err, "Can't open signature file %s\n", sigfile);
274 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
277 BIO_printf(bio_err, "Error reading signature data\n");
283 /* Read the input data */
284 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
285 if (buf_inlen <= 0) {
286 BIO_printf(bio_err, "Error reading input Data\n");
292 size_t l = (size_t)buf_inlen;
293 for (i = 0; i < l / 2; i++) {
295 buf_in[i] = buf_in[l - 1 - i];
296 buf_in[l - 1 - i] = ctmp;
301 if (pkey_op == EVP_PKEY_OP_VERIFY) {
302 rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
303 buf_in, (size_t)buf_inlen);
305 BIO_puts(out, "Signature Verification Failure\n");
307 BIO_puts(out, "Signature Verified Successfully\n");
311 rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
312 buf_in, (size_t)buf_inlen);
314 buf_out = OPENSSL_malloc(buf_outlen);
318 rv = do_keyop(ctx, pkey_op,
319 buf_out, (size_t *)&buf_outlen,
320 buf_in, (size_t)buf_inlen);
325 BIO_printf(bio_err, "Public Key operation error\n");
326 ERR_print_errors(bio_err);
331 if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
332 ERR_print_errors(bio_err);
334 BIO_dump(out, (char *)buf_out, buf_outlen);
336 BIO_write(out, buf_out, buf_outlen);
340 EVP_PKEY_CTX_free(ctx);
344 OPENSSL_free(buf_in);
346 OPENSSL_free(buf_out);
354 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
355 BIO_printf(bio_err, "-in file input file\n");
356 BIO_printf(bio_err, "-out file output file\n");
358 "-sigfile file signature file (verify operation only)\n");
359 BIO_printf(bio_err, "-inkey file input key\n");
360 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
361 BIO_printf(bio_err, "-pubin input is a public key\n");
363 "-certin input is a certificate carrying a public key\n");
364 BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
365 BIO_printf(bio_err, "-sign sign with private key\n");
366 BIO_printf(bio_err, "-verify verify with public key\n");
368 "-verifyrecover verify with public key, recover original data\n");
369 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
370 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
371 BIO_printf(bio_err, "-derive derive shared secret\n");
372 BIO_printf(bio_err, "-hexdump hex dump output\n");
373 #ifndef OPENSSL_NO_ENGINE
375 "-engine e use engine e, maybe a hardware device, for loading keys.\n");
376 BIO_printf(bio_err, "-engine_impl also use engine given by -engine for crypto operations\n");
378 BIO_printf(bio_err, "-passin arg pass phrase source\n");
382 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
383 char *keyfile, int keyform, int key_type,
384 char *passargin, int pkey_op, ENGINE *e,
387 EVP_PKEY *pkey = NULL;
388 EVP_PKEY_CTX *ctx = NULL;
393 if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
394 || (pkey_op == EVP_PKEY_OP_DERIVE))
395 && (key_type != KEY_PRIVKEY)) {
396 BIO_printf(bio_err, "A private key is needed for this operation\n");
399 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
400 BIO_printf(bio_err, "Error getting password\n");
405 pkey = load_key(bio_err, keyfile, keyform, 0,
406 passin, e, "Private Key");
410 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
411 NULL, e, "Public Key");
415 x = load_cert(bio_err, keyfile, keyform, NULL, e, "Certificate");
417 pkey = X509_get_pubkey(x);
424 *pkeysize = EVP_PKEY_size(pkey);
429 #ifndef OPENSSL_NO_ENGINE
434 ctx = EVP_PKEY_CTX_new(pkey, impl);
442 case EVP_PKEY_OP_SIGN:
443 rv = EVP_PKEY_sign_init(ctx);
446 case EVP_PKEY_OP_VERIFY:
447 rv = EVP_PKEY_verify_init(ctx);
450 case EVP_PKEY_OP_VERIFYRECOVER:
451 rv = EVP_PKEY_verify_recover_init(ctx);
454 case EVP_PKEY_OP_ENCRYPT:
455 rv = EVP_PKEY_encrypt_init(ctx);
458 case EVP_PKEY_OP_DECRYPT:
459 rv = EVP_PKEY_decrypt_init(ctx);
462 case EVP_PKEY_OP_DERIVE:
463 rv = EVP_PKEY_derive_init(ctx);
468 EVP_PKEY_CTX_free(ctx);
475 OPENSSL_free(passin);
481 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
482 const char *file, ENGINE* e)
484 EVP_PKEY *peer = NULL;
485 ENGINE* engine = NULL;
488 BIO_puts(err, "-peerkey command before -inkey\n");
492 if (peerform == FORMAT_ENGINE)
495 peer = load_pubkey(bio_err, file, peerform, 0, NULL, engine, "Peer Key");
498 BIO_printf(bio_err, "Error reading peer key %s\n", file);
499 ERR_print_errors(err);
503 ret = EVP_PKEY_derive_set_peer(ctx, peer);
507 ERR_print_errors(err);
511 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
512 unsigned char *out, size_t *poutlen,
513 unsigned char *in, size_t inlen)
517 case EVP_PKEY_OP_VERIFYRECOVER:
518 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
521 case EVP_PKEY_OP_SIGN:
522 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
525 case EVP_PKEY_OP_ENCRYPT:
526 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
529 case EVP_PKEY_OP_DECRYPT:
530 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
533 case EVP_PKEY_OP_DERIVE:
534 rv = EVP_PKEY_derive(ctx, out, poutlen);