1 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
4 /* ====================================================================
5 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * 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);
79 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
82 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
83 unsigned char *out, size_t *poutlen,
84 unsigned char *in, size_t inlen);
86 int MAIN(int argc, char **);
88 int MAIN(int argc, char **argv)
90 BIO *in = NULL, *out = NULL;
91 char *infile = NULL, *outfile = NULL, *sigfile = NULL;
93 int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
94 int keyform = FORMAT_PEM, peerform = FORMAT_PEM;
95 char badarg = 0, rev = 0;
96 char hexdump = 0, asn1parse = 0;
97 EVP_PKEY_CTX *ctx = NULL;
98 char *passargin = NULL;
101 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
102 int buf_inlen = 0, buf_outlen, siglen = -1;
104 int ret = 1, rv = -1;
109 if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
111 if (!load_config(bio_err, NULL))
113 ERR_load_crypto_strings();
114 OpenSSL_add_all_algorithms();
118 if (!strcmp(*argv,"-in"))
120 if (--argc < 1) badarg = 1;
123 else if (!strcmp(*argv,"-out"))
125 if (--argc < 1) badarg = 1;
128 else if (!strcmp(*argv,"-sigfile"))
130 if (--argc < 1) badarg = 1;
133 else if(!strcmp(*argv, "-inkey"))
139 ctx = init_ctx(&keysize,
140 *(++argv), keyform, key_type,
141 passargin, pkey_op, e);
145 "Error initializing context\n");
146 ERR_print_errors(bio_err);
151 else if (!strcmp(*argv,"-peerkey"))
155 else if (!setup_peer(bio_err, ctx, peerform, *(++argv)))
158 else if (!strcmp(*argv,"-passin"))
160 if (--argc < 1) badarg = 1;
161 passargin= *(++argv);
163 else if (strcmp(*argv,"-peerform") == 0)
165 if (--argc < 1) badarg = 1;
166 peerform=str2fmt(*(++argv));
168 else if (strcmp(*argv,"-keyform") == 0)
170 if (--argc < 1) badarg = 1;
171 keyform=str2fmt(*(++argv));
173 #ifndef OPENSSL_NO_ENGINE
174 else if(!strcmp(*argv, "-engine"))
179 e = setup_engine(bio_err, *(++argv), 0);
182 else if(!strcmp(*argv, "-pubin"))
183 key_type = KEY_PUBKEY;
184 else if(!strcmp(*argv, "-certin"))
186 else if(!strcmp(*argv, "-asn1parse"))
188 else if(!strcmp(*argv, "-hexdump"))
190 else if(!strcmp(*argv, "-sign"))
191 pkey_op = EVP_PKEY_OP_SIGN;
192 else if(!strcmp(*argv, "-verify"))
193 pkey_op = EVP_PKEY_OP_VERIFY;
194 else if(!strcmp(*argv, "-verifyrecover"))
195 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
196 else if(!strcmp(*argv, "-rev"))
198 else if(!strcmp(*argv, "-encrypt"))
199 pkey_op = EVP_PKEY_OP_ENCRYPT;
200 else if(!strcmp(*argv, "-decrypt"))
201 pkey_op = EVP_PKEY_OP_DECRYPT;
202 else if(!strcmp(*argv, "-derive"))
203 pkey_op = EVP_PKEY_OP_DERIVE;
204 else if (strcmp(*argv,"-pkeyopt") == 0)
211 "-pkeyopt command before -inkey\n");
214 else if (pkey_ctrl_string(ctx, *(++argv)) <= 0)
216 BIO_puts(bio_err, "parameter setting error\n");
217 ERR_print_errors(bio_err);
237 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY))
239 BIO_puts(bio_err, "Signature file specified for non verify\n");
243 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY))
245 BIO_puts(bio_err, "No signature file specified for verify\n");
249 /* FIXME: seed PRNG only if needed */
250 app_RAND_load_file(NULL, bio_err, 0);
252 if (pkey_op != EVP_PKEY_OP_DERIVE)
256 if(!(in = BIO_new_file(infile, "rb")))
259 "Error Opening Input File\n");
260 ERR_print_errors(bio_err);
265 in = BIO_new_fp(stdin, BIO_NOCLOSE);
270 if(!(out = BIO_new_file(outfile, "wb")))
272 BIO_printf(bio_err, "Error Creating Output File\n");
273 ERR_print_errors(bio_err);
279 out = BIO_new_fp(stdout, BIO_NOCLOSE);
280 #ifdef OPENSSL_SYS_VMS
282 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
283 out = BIO_push(tmpbio, out);
290 BIO *sigbio = BIO_new_file(sigfile, "rb");
293 BIO_printf(bio_err, "Can't open signature file %s\n",
297 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
301 BIO_printf(bio_err, "Error reading signature data\n");
308 /* Read the input data */
309 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
312 BIO_printf(bio_err, "Error reading input Data\n");
319 for(i = 0; i < buf_inlen/2; i++)
322 buf_in[i] = buf_in[buf_inlen - 1 - i];
323 buf_in[buf_inlen - 1 - i] = ctmp;
328 if(pkey_op == EVP_PKEY_OP_VERIFY)
330 rv = EVP_PKEY_verify(ctx, sig, siglen, buf_in, buf_inlen);
332 BIO_puts(out, "Signature Verification Failure\n");
334 BIO_puts(out, "Signature Verified Successfully\n");
340 rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
344 buf_out = OPENSSL_malloc(buf_outlen);
348 rv = do_keyop(ctx, pkey_op,
349 buf_out, (size_t *)&buf_outlen,
356 BIO_printf(bio_err, "Public Key operation error\n");
357 ERR_print_errors(bio_err);
363 if(!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
364 ERR_print_errors(bio_err);
367 BIO_dump(out, (char *)buf_out, buf_outlen);
369 BIO_write(out, buf_out, buf_outlen);
373 EVP_PKEY_CTX_free(ctx);
377 OPENSSL_free(buf_in);
379 OPENSSL_free(buf_out);
387 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
388 BIO_printf(bio_err, "-in file input file\n");
389 BIO_printf(bio_err, "-out file output file\n");
390 BIO_printf(bio_err, "-signature file signature file (verify operation only)\n");
391 BIO_printf(bio_err, "-inkey file input key\n");
392 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
393 BIO_printf(bio_err, "-pubin input is a public key\n");
394 BIO_printf(bio_err, "-certin input is a certificate carrying a public key\n");
395 BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
396 BIO_printf(bio_err, "-sign sign with private key\n");
397 BIO_printf(bio_err, "-verify verify with public key\n");
398 BIO_printf(bio_err, "-verifyrecover verify with public key, recover original data\n");
399 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
400 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
401 BIO_printf(bio_err, "-derive derive shared secret\n");
402 BIO_printf(bio_err, "-hexdump hex dump output\n");
403 #ifndef OPENSSL_NO_ENGINE
404 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
406 BIO_printf(bio_err, "-passin arg pass phrase source\n");
410 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
411 char *keyfile, int keyform, int key_type,
412 char *passargin, int pkey_op, ENGINE *e)
414 EVP_PKEY *pkey = NULL;
415 EVP_PKEY_CTX *ctx = NULL;
419 if(((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
420 || (pkey_op == EVP_PKEY_OP_DERIVE))
421 && (key_type != KEY_PRIVKEY))
423 BIO_printf(bio_err, "A private key is needed for this operation\n");
426 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
428 BIO_printf(bio_err, "Error getting password\n");
434 pkey = load_key(bio_err, keyfile, keyform, 0,
435 passin, e, "Private Key");
439 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
440 NULL, e, "Public Key");
444 x = load_cert(bio_err, keyfile, keyform,
445 NULL, e, "Certificate");
448 pkey = X509_get_pubkey(x);
455 *pkeysize = EVP_PKEY_size(pkey);
460 ctx = EVP_PKEY_CTX_new(pkey, e);
469 case EVP_PKEY_OP_SIGN:
470 rv = EVP_PKEY_sign_init(ctx);
473 case EVP_PKEY_OP_VERIFY:
474 rv = EVP_PKEY_verify_init(ctx);
477 case EVP_PKEY_OP_VERIFYRECOVER:
478 rv = EVP_PKEY_verify_recover_init(ctx);
481 case EVP_PKEY_OP_ENCRYPT:
482 rv = EVP_PKEY_encrypt_init(ctx);
485 case EVP_PKEY_OP_DECRYPT:
486 rv = EVP_PKEY_decrypt_init(ctx);
489 case EVP_PKEY_OP_DERIVE:
490 rv = EVP_PKEY_derive_init(ctx);
496 EVP_PKEY_CTX_free(ctx);
503 OPENSSL_free(passin);
510 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
513 EVP_PKEY *peer = NULL;
517 BIO_puts(err, "-peerkey command before -inkey\n");
521 peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key");
525 BIO_printf(bio_err, "Error reading peer key %s\n", file);
526 ERR_print_errors(err);
530 ret = EVP_PKEY_derive_set_peer(ctx, peer);
534 ERR_print_errors(err);
538 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
539 unsigned char *out, size_t *poutlen,
540 unsigned char *in, size_t inlen)
545 case EVP_PKEY_OP_VERIFYRECOVER:
546 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
549 case EVP_PKEY_OP_SIGN:
550 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
553 case EVP_PKEY_OP_ENCRYPT:
554 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
557 case EVP_PKEY_OP_DECRYPT:
558 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
561 case EVP_PKEY_OP_DERIVE:
562 rv = EVP_PKEY_derive(ctx, out, poutlen);