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, char *engine);
79 int MAIN(int argc, char **);
81 int MAIN(int argc, char **argv)
83 BIO *in = NULL, *out = NULL;
84 char *infile = NULL, *outfile = NULL, *sigfile = NULL;
86 int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
87 int keyform = FORMAT_PEM;
88 char badarg = 0, rev = 0;
89 char hexdump = 0, asn1parse = 0;
90 EVP_PKEY_CTX *ctx = NULL;
91 char *passargin = NULL;
94 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
95 int buf_inlen, buf_outlen, siglen = -1;
102 if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
104 if (!load_config(bio_err, NULL))
106 ERR_load_crypto_strings();
107 OpenSSL_add_all_algorithms();
111 if (!strcmp(*argv,"-in"))
113 if (--argc < 1) badarg = 1;
116 else if (!strcmp(*argv,"-out"))
118 if (--argc < 1) badarg = 1;
121 else if (!strcmp(*argv,"-sigfile"))
123 if (--argc < 1) badarg = 1;
126 else if(!strcmp(*argv, "-inkey"))
132 ctx = init_ctx(&keysize,
133 *(++argv), keyform, key_type,
134 passargin, pkey_op, engine);
138 "Error initializing context\n");
139 ERR_print_errors(bio_err);
144 else if (!strcmp(*argv,"-passin"))
146 if (--argc < 1) badarg = 1;
147 passargin= *(++argv);
149 else if (strcmp(*argv,"-keyform") == 0)
151 if (--argc < 1) badarg = 1;
152 keyform=str2fmt(*(++argv));
154 #ifndef OPENSSL_NO_ENGINE
155 else if(!strcmp(*argv, "-engine"))
157 if (--argc < 1) badarg = 1;
161 else if(!strcmp(*argv, "-pubin"))
162 key_type = KEY_PUBKEY;
163 else if(!strcmp(*argv, "-certin"))
165 else if(!strcmp(*argv, "-asn1parse"))
167 else if(!strcmp(*argv, "-hexdump"))
169 else if(!strcmp(*argv, "-sign"))
170 pkey_op = EVP_PKEY_OP_SIGN;
171 else if(!strcmp(*argv, "-verifyr"))
172 pkey_op = EVP_PKEY_OP_VERIFY;
173 else if(!strcmp(*argv, "-verifyrecover"))
174 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
175 else if(!strcmp(*argv, "-rev"))
177 else if(!strcmp(*argv, "-encrypt"))
178 pkey_op = EVP_PKEY_OP_ENCRYPT;
179 else if(!strcmp(*argv, "-decrypt"))
180 pkey_op = EVP_PKEY_OP_DECRYPT;
197 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY))
199 BIO_puts(bio_err, "Signature file specified for non verify\n");
203 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY))
205 BIO_puts(bio_err, "No signature file specified for verify\n");
209 /* FIXME: seed PRNG only if needed */
210 app_RAND_load_file(NULL, bio_err, 0);
214 if(!(in = BIO_new_file(infile, "rb")))
216 BIO_printf(bio_err, "Error Reading Input File\n");
217 ERR_print_errors(bio_err);
222 in = BIO_new_fp(stdin, BIO_NOCLOSE);
226 if(!(out = BIO_new_file(outfile, "wb")))
228 BIO_printf(bio_err, "Error Creating Output File\n");
229 ERR_print_errors(bio_err);
235 out = BIO_new_fp(stdout, BIO_NOCLOSE);
236 #ifdef OPENSSL_SYS_VMS
238 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
239 out = BIO_push(tmpbio, out);
246 BIO *sigbio = BIO_new_file(sigfile, "rb");
249 BIO_printf(bio_err, "Can't open signature file %s\n",
253 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
257 BIO_printf(bio_err, "Error reading signature data\n");
262 buf_out = OPENSSL_malloc(keysize);
264 /* Read the input data */
265 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
268 BIO_printf(bio_err, "Error reading input Data\n");
275 for(i = 0; i < buf_inlen/2; i++)
278 buf_in[i] = buf_in[buf_inlen - 1 - i];
279 buf_in[buf_inlen - 1 - i] = ctmp;
284 case EVP_PKEY_OP_VERIFYRECOVER:
285 rv = EVP_PKEY_verify_recover(ctx, buf_out, &buf_outlen,
289 case EVP_PKEY_OP_SIGN:
290 rv = EVP_PKEY_sign(ctx, buf_out, &buf_outlen,
294 case EVP_PKEY_OP_ENCRYPT:
295 rv = EVP_PKEY_encrypt(ctx, buf_out, &buf_outlen,
299 case EVP_PKEY_OP_DECRYPT:
300 rv = EVP_PKEY_decrypt(ctx, buf_out, &buf_outlen,
304 case EVP_PKEY_OP_VERIFY:
305 rv = EVP_PKEY_verify(ctx, sig, siglen, buf_in, buf_inlen);
307 BIO_puts(out, "Signature Verification Failure\n");
309 BIO_puts(out, "Signature Verified Successfully\n");
318 BIO_printf(bio_err, "Public Key operation error\n");
319 ERR_print_errors(bio_err);
325 if(!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
326 ERR_print_errors(bio_err);
329 BIO_dump(out, (char *)buf_out, buf_outlen);
331 BIO_write(out, buf_out, buf_outlen);
335 EVP_PKEY_CTX_free(ctx);
339 OPENSSL_free(buf_in);
341 OPENSSL_free(buf_out);
349 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
350 BIO_printf(bio_err, "-in file input file\n");
351 BIO_printf(bio_err, "-out file output file\n");
352 BIO_printf(bio_err, "-inkey file input key\n");
353 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
354 BIO_printf(bio_err, "-pubin input is an RSA public\n");
355 BIO_printf(bio_err, "-certin input is a certificate carrying an RSA public key\n");
356 BIO_printf(bio_err, "-ctrl X:Y control parameters\n");
357 BIO_printf(bio_err, "-sign sign with private key\n");
358 BIO_printf(bio_err, "-verify verify with public key\n");
359 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
360 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
361 BIO_printf(bio_err, "-hexdump hex dump output\n");
362 #ifndef OPENSSL_NO_ENGINE
363 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
364 BIO_printf(bio_err, "-passin arg pass phrase source\n");
369 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
370 char *keyfile, int keyform, int key_type,
371 char *passargin, int pkey_op, char *engine)
374 EVP_PKEY *pkey = NULL;
375 EVP_PKEY_CTX *ctx = NULL;
379 if(((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT))
380 && (key_type != KEY_PRIVKEY))
382 BIO_printf(bio_err, "A private key is needed for this operation\n");
385 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
387 BIO_printf(bio_err, "Error getting password\n");
393 pkey = load_key(bio_err, keyfile, keyform, 0,
394 passin, e, "Private Key");
398 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
399 NULL, e, "Public Key");
403 x = load_cert(bio_err, keyfile, keyform,
404 NULL, e, "Certificate");
407 pkey = X509_get_pubkey(x);
414 *pkeysize = EVP_PKEY_size(pkey);
419 ctx = EVP_PKEY_CTX_new(pkey);
428 case EVP_PKEY_OP_SIGN:
429 rv = EVP_PKEY_sign_init(ctx);
432 case EVP_PKEY_OP_VERIFY:
433 rv = EVP_PKEY_verify_init(ctx);
436 case EVP_PKEY_OP_VERIFYRECOVER:
437 rv = EVP_PKEY_verify_recover_init(ctx);
440 case EVP_PKEY_OP_ENCRYPT:
441 rv = EVP_PKEY_encrypt_init(ctx);
444 case EVP_PKEY_OP_DECRYPT:
445 rv = EVP_PKEY_decrypt_init(ctx);
451 EVP_PKEY_CTX_free(ctx);
458 OPENSSL_free(passin);