1 /* Written by Dr Stephen N Henson (steve@openssl.org) 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;
103 int buf_inlen = 0, siglen = -1;
105 int ret = 1, rv = -1;
110 if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
112 if (!load_config(bio_err, NULL))
114 ERR_load_crypto_strings();
115 OpenSSL_add_all_algorithms();
119 if (!strcmp(*argv,"-in"))
121 if (--argc < 1) badarg = 1;
124 else if (!strcmp(*argv,"-out"))
126 if (--argc < 1) badarg = 1;
129 else if (!strcmp(*argv,"-sigfile"))
131 if (--argc < 1) badarg = 1;
134 else if(!strcmp(*argv, "-inkey"))
140 ctx = init_ctx(&keysize,
141 *(++argv), keyform, key_type,
142 passargin, pkey_op, e);
146 "Error initializing context\n");
147 ERR_print_errors(bio_err);
152 else if (!strcmp(*argv,"-peerkey"))
156 else if (!setup_peer(bio_err, ctx, peerform, *(++argv)))
159 else if (!strcmp(*argv,"-passin"))
161 if (--argc < 1) badarg = 1;
162 passargin= *(++argv);
164 else if (strcmp(*argv,"-peerform") == 0)
166 if (--argc < 1) badarg = 1;
167 peerform=str2fmt(*(++argv));
169 else if (strcmp(*argv,"-keyform") == 0)
171 if (--argc < 1) badarg = 1;
172 keyform=str2fmt(*(++argv));
174 #ifndef OPENSSL_NO_ENGINE
175 else if(!strcmp(*argv, "-engine"))
180 e = setup_engine(bio_err, *(++argv), 0);
183 else if(!strcmp(*argv, "-pubin"))
184 key_type = KEY_PUBKEY;
185 else if(!strcmp(*argv, "-certin"))
187 else if(!strcmp(*argv, "-asn1parse"))
189 else if(!strcmp(*argv, "-hexdump"))
191 else if(!strcmp(*argv, "-sign"))
192 pkey_op = EVP_PKEY_OP_SIGN;
193 else if(!strcmp(*argv, "-verify"))
194 pkey_op = EVP_PKEY_OP_VERIFY;
195 else if(!strcmp(*argv, "-verifyrecover"))
196 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
197 else if(!strcmp(*argv, "-rev"))
199 else if(!strcmp(*argv, "-encrypt"))
200 pkey_op = EVP_PKEY_OP_ENCRYPT;
201 else if(!strcmp(*argv, "-decrypt"))
202 pkey_op = EVP_PKEY_OP_DECRYPT;
203 else if(!strcmp(*argv, "-derive"))
204 pkey_op = EVP_PKEY_OP_DERIVE;
205 else if (strcmp(*argv,"-pkeyopt") == 0)
212 "-pkeyopt command before -inkey\n");
215 else if (pkey_ctrl_string(ctx, *(++argv)) <= 0)
217 BIO_puts(bio_err, "parameter setting error\n");
218 ERR_print_errors(bio_err);
238 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY))
240 BIO_puts(bio_err, "Signature file specified for non verify\n");
244 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY))
246 BIO_puts(bio_err, "No signature file specified for verify\n");
250 /* FIXME: seed PRNG only if needed */
251 app_RAND_load_file(NULL, bio_err, 0);
253 if (pkey_op != EVP_PKEY_OP_DERIVE)
257 if(!(in = BIO_new_file(infile, "rb")))
260 "Error Opening Input File\n");
261 ERR_print_errors(bio_err);
266 in = BIO_new_fp(stdin, BIO_NOCLOSE);
271 if(!(out = BIO_new_file(outfile, "wb")))
273 BIO_printf(bio_err, "Error Creating Output File\n");
274 ERR_print_errors(bio_err);
280 out = BIO_new_fp(stdout, BIO_NOCLOSE);
281 #ifdef OPENSSL_SYS_VMS
283 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
284 out = BIO_push(tmpbio, out);
291 BIO *sigbio = BIO_new_file(sigfile, "rb");
294 BIO_printf(bio_err, "Can't open signature file %s\n",
298 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
302 BIO_printf(bio_err, "Error reading signature data\n");
309 /* Read the input data */
310 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
313 BIO_printf(bio_err, "Error reading input Data\n");
320 size_t l = (size_t)buf_inlen;
321 for(i = 0; i < l/2; i++)
324 buf_in[i] = buf_in[l - 1 - i];
325 buf_in[l - 1 - i] = ctmp;
330 if(pkey_op == EVP_PKEY_OP_VERIFY)
332 rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
333 buf_in, (size_t)buf_inlen);
335 BIO_puts(out, "Signature Verification Failure\n");
337 BIO_puts(out, "Signature Verified Successfully\n");
343 rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
344 buf_in, (size_t)buf_inlen);
347 buf_out = OPENSSL_malloc(buf_outlen);
351 rv = do_keyop(ctx, pkey_op,
352 buf_out, (size_t *)&buf_outlen,
353 buf_in, (size_t)buf_inlen);
359 BIO_printf(bio_err, "Public Key operation error\n");
360 ERR_print_errors(bio_err);
366 if(!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
367 ERR_print_errors(bio_err);
370 BIO_dump(out, (char *)buf_out, buf_outlen);
372 BIO_write(out, buf_out, buf_outlen);
376 EVP_PKEY_CTX_free(ctx);
380 OPENSSL_free(buf_in);
382 OPENSSL_free(buf_out);
390 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
391 BIO_printf(bio_err, "-in file input file\n");
392 BIO_printf(bio_err, "-out file output file\n");
393 BIO_printf(bio_err, "-sigfile file signature file (verify operation only)\n");
394 BIO_printf(bio_err, "-inkey file input key\n");
395 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
396 BIO_printf(bio_err, "-pubin input is a public key\n");
397 BIO_printf(bio_err, "-certin input is a certificate carrying a public key\n");
398 BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
399 BIO_printf(bio_err, "-sign sign with private key\n");
400 BIO_printf(bio_err, "-verify verify with public key\n");
401 BIO_printf(bio_err, "-verifyrecover verify with public key, recover original data\n");
402 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
403 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
404 BIO_printf(bio_err, "-derive derive shared secret\n");
405 BIO_printf(bio_err, "-hexdump hex dump output\n");
406 #ifndef OPENSSL_NO_ENGINE
407 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
409 BIO_printf(bio_err, "-passin arg pass phrase source\n");
413 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
414 char *keyfile, int keyform, int key_type,
415 char *passargin, int pkey_op, ENGINE *e)
417 EVP_PKEY *pkey = NULL;
418 EVP_PKEY_CTX *ctx = NULL;
422 if(((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
423 || (pkey_op == EVP_PKEY_OP_DERIVE))
424 && (key_type != KEY_PRIVKEY))
426 BIO_printf(bio_err, "A private key is needed for this operation\n");
429 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
431 BIO_printf(bio_err, "Error getting password\n");
437 pkey = load_key(bio_err, keyfile, keyform, 0,
438 passin, e, "Private Key");
442 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
443 NULL, e, "Public Key");
447 x = load_cert(bio_err, keyfile, keyform,
448 NULL, e, "Certificate");
451 pkey = X509_get_pubkey(x);
458 *pkeysize = EVP_PKEY_size(pkey);
463 ctx = EVP_PKEY_CTX_new(pkey, e);
472 case EVP_PKEY_OP_SIGN:
473 rv = EVP_PKEY_sign_init(ctx);
476 case EVP_PKEY_OP_VERIFY:
477 rv = EVP_PKEY_verify_init(ctx);
480 case EVP_PKEY_OP_VERIFYRECOVER:
481 rv = EVP_PKEY_verify_recover_init(ctx);
484 case EVP_PKEY_OP_ENCRYPT:
485 rv = EVP_PKEY_encrypt_init(ctx);
488 case EVP_PKEY_OP_DECRYPT:
489 rv = EVP_PKEY_decrypt_init(ctx);
492 case EVP_PKEY_OP_DERIVE:
493 rv = EVP_PKEY_derive_init(ctx);
499 EVP_PKEY_CTX_free(ctx);
506 OPENSSL_free(passin);
513 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
516 EVP_PKEY *peer = NULL;
520 BIO_puts(err, "-peerkey command before -inkey\n");
524 peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key");
528 BIO_printf(bio_err, "Error reading peer key %s\n", file);
529 ERR_print_errors(err);
533 ret = EVP_PKEY_derive_set_peer(ctx, peer);
537 ERR_print_errors(err);
541 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
542 unsigned char *out, size_t *poutlen,
543 unsigned char *in, size_t inlen)
548 case EVP_PKEY_OP_VERIFYRECOVER:
549 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
552 case EVP_PKEY_OP_SIGN:
553 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
556 case EVP_PKEY_OP_ENCRYPT:
557 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
560 case EVP_PKEY_OP_DECRYPT:
561 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
564 case EVP_PKEY_OP_DERIVE:
565 rv = EVP_PKEY_derive(ctx, out, poutlen);