source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/pkeyutl.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 14.4 KB
Line 
1/*
2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "apps.h"
11#include <string.h>
12#include <openssl/err.h>
13#include <openssl/pem.h>
14#include <openssl/evp.h>
15
16#define KEY_NONE 0
17#define KEY_PRIVKEY 1
18#define KEY_PUBKEY 2
19#define KEY_CERT 3
20
21static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize,
22 const char *keyfile, int keyform, int key_type,
23 char *passinarg, int pkey_op, ENGINE *e,
24 const int impl);
25
26static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file,
27 ENGINE *e);
28
29static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
30 unsigned char *out, size_t *poutlen,
31 const unsigned char *in, size_t inlen);
32
33typedef enum OPTION_choice {
34 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
35 OPT_ENGINE, OPT_ENGINE_IMPL, OPT_IN, OPT_OUT,
36 OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN,
37 OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
38 OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN,
39 OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_KDF, OPT_KDFLEN
40} OPTION_CHOICE;
41
42OPTIONS pkeyutl_options[] = {
43 {"help", OPT_HELP, '-', "Display this summary"},
44 {"in", OPT_IN, '<', "Input file - default stdin"},
45 {"out", OPT_OUT, '>', "Output file - default stdout"},
46 {"pubin", OPT_PUBIN, '-', "Input is a public key"},
47 {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"},
48 {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"},
49 {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
50 {"sign", OPT_SIGN, '-', "Sign input data with private key"},
51 {"verify", OPT_VERIFY, '-', "Verify with public key"},
52 {"verifyrecover", OPT_VERIFYRECOVER, '-',
53 "Verify with public key, recover original data"},
54 {"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
55 {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"},
56 {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"},
57 {"derive", OPT_DERIVE, '-', "Derive shared secret"},
58 {"kdf", OPT_KDF, 's', "Use KDF algorithm"},
59 {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"},
60 {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"},
61 {"inkey", OPT_INKEY, 's', "Input private key file"},
62 {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"},
63 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
64 {"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"},
65 {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
66 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
67#ifndef OPENSSL_NO_ENGINE
68 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
69 {"engine_impl", OPT_ENGINE_IMPL, '-',
70 "Also use engine given by -engine for crypto operations"},
71#endif
72 {NULL}
73};
74
75int pkeyutl_main(int argc, char **argv)
76{
77 BIO *in = NULL, *out = NULL;
78 ENGINE *e = NULL;
79 EVP_PKEY_CTX *ctx = NULL;
80 char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL;
81 char hexdump = 0, asn1parse = 0, rev = 0, *prog;
82 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
83 OPTION_CHOICE o;
84 int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform =
85 FORMAT_PEM;
86 int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
87 int engine_impl = 0;
88 int ret = 1, rv = -1;
89 size_t buf_outlen;
90 const char *inkey = NULL;
91 const char *peerkey = NULL;
92 const char *kdfalg = NULL;
93 int kdflen = 0;
94 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
95
96 prog = opt_init(argc, argv, pkeyutl_options);
97 while ((o = opt_next()) != OPT_EOF) {
98 switch (o) {
99 case OPT_EOF:
100 case OPT_ERR:
101 opthelp:
102 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
103 goto end;
104 case OPT_HELP:
105 opt_help(pkeyutl_options);
106 ret = 0;
107 goto end;
108 case OPT_IN:
109 infile = opt_arg();
110 break;
111 case OPT_OUT:
112 outfile = opt_arg();
113 break;
114 case OPT_SIGFILE:
115 sigfile = opt_arg();
116 break;
117 case OPT_ENGINE_IMPL:
118 engine_impl = 1;
119 break;
120 case OPT_INKEY:
121 inkey = opt_arg();
122 break;
123 case OPT_PEERKEY:
124 peerkey = opt_arg();
125 break;
126 case OPT_PASSIN:
127 passinarg = opt_arg();
128 break;
129 case OPT_PEERFORM:
130 if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform))
131 goto opthelp;
132 break;
133 case OPT_KEYFORM:
134 if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform))
135 goto opthelp;
136 break;
137 case OPT_ENGINE:
138 e = setup_engine(opt_arg(), 0);
139 break;
140 case OPT_PUBIN:
141 key_type = KEY_PUBKEY;
142 break;
143 case OPT_CERTIN:
144 key_type = KEY_CERT;
145 break;
146 case OPT_ASN1PARSE:
147 asn1parse = 1;
148 break;
149 case OPT_HEXDUMP:
150 hexdump = 1;
151 break;
152 case OPT_SIGN:
153 pkey_op = EVP_PKEY_OP_SIGN;
154 break;
155 case OPT_VERIFY:
156 pkey_op = EVP_PKEY_OP_VERIFY;
157 break;
158 case OPT_VERIFYRECOVER:
159 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
160 break;
161 case OPT_ENCRYPT:
162 pkey_op = EVP_PKEY_OP_ENCRYPT;
163 break;
164 case OPT_DECRYPT:
165 pkey_op = EVP_PKEY_OP_DECRYPT;
166 break;
167 case OPT_DERIVE:
168 pkey_op = EVP_PKEY_OP_DERIVE;
169 break;
170 case OPT_KDF:
171 pkey_op = EVP_PKEY_OP_DERIVE;
172 key_type = KEY_NONE;
173 kdfalg = opt_arg();
174 break;
175 case OPT_KDFLEN:
176 kdflen = atoi(opt_arg());
177 break;
178 case OPT_REV:
179 rev = 1;
180 break;
181 case OPT_PKEYOPT:
182 if ((pkeyopts == NULL &&
183 (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) ||
184 sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) {
185 BIO_puts(bio_err, "out of memory\n");
186 goto end;
187 }
188 break;
189 }
190 }
191 argc = opt_num_rest();
192 if (argc != 0)
193 goto opthelp;
194
195 if (kdfalg != NULL) {
196 if (kdflen == 0)
197 goto opthelp;
198 } else if ((inkey == NULL)
199 || (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE)) {
200 goto opthelp;
201 }
202 ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type,
203 passinarg, pkey_op, e, engine_impl);
204 if (ctx == NULL) {
205 BIO_printf(bio_err, "%s: Error initializing context\n", prog);
206 ERR_print_errors(bio_err);
207 goto end;
208 }
209 if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) {
210 BIO_printf(bio_err, "%s: Error setting up peer key\n", prog);
211 ERR_print_errors(bio_err);
212 goto end;
213 }
214 if (pkeyopts != NULL) {
215 int num = sk_OPENSSL_STRING_num(pkeyopts);
216 int i;
217
218 for (i = 0; i < num; ++i) {
219 const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i);
220
221 if (pkey_ctrl_string(ctx, opt) <= 0) {
222 BIO_printf(bio_err, "%s: Can't set parameter:\n", prog);
223 ERR_print_errors(bio_err);
224 goto end;
225 }
226 }
227 }
228
229 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) {
230 BIO_printf(bio_err,
231 "%s: Signature file specified for non verify\n", prog);
232 goto end;
233 }
234
235 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) {
236 BIO_printf(bio_err,
237 "%s: No signature file specified for verify\n", prog);
238 goto end;
239 }
240
241/* FIXME: seed PRNG only if needed */
242 app_RAND_load_file(NULL, 0);
243
244 if (pkey_op != EVP_PKEY_OP_DERIVE) {
245 in = bio_open_default(infile, 'r', FORMAT_BINARY);
246 if (in == NULL)
247 goto end;
248 }
249 out = bio_open_default(outfile, 'w', FORMAT_BINARY);
250 if (out == NULL)
251 goto end;
252
253 if (sigfile) {
254 BIO *sigbio = BIO_new_file(sigfile, "rb");
255 if (!sigbio) {
256 BIO_printf(bio_err, "Can't open signature file %s\n", sigfile);
257 goto end;
258 }
259 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
260 BIO_free(sigbio);
261 if (siglen < 0) {
262 BIO_printf(bio_err, "Error reading signature data\n");
263 goto end;
264 }
265 }
266
267 if (in) {
268 /* Read the input data */
269 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
270 if (buf_inlen < 0) {
271 BIO_printf(bio_err, "Error reading input Data\n");
272 exit(1);
273 }
274 if (rev) {
275 size_t i;
276 unsigned char ctmp;
277 size_t l = (size_t)buf_inlen;
278 for (i = 0; i < l / 2; i++) {
279 ctmp = buf_in[i];
280 buf_in[i] = buf_in[l - 1 - i];
281 buf_in[l - 1 - i] = ctmp;
282 }
283 }
284 }
285
286 if (pkey_op == EVP_PKEY_OP_VERIFY) {
287 rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
288 buf_in, (size_t)buf_inlen);
289 if (rv == 1) {
290 BIO_puts(out, "Signature Verified Successfully\n");
291 ret = 0;
292 } else
293 BIO_puts(out, "Signature Verification Failure\n");
294 goto end;
295 }
296 if (kdflen != 0) {
297 buf_outlen = kdflen;
298 rv = 1;
299 } else {
300 rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
301 buf_in, (size_t)buf_inlen);
302 }
303 if (rv > 0 && buf_outlen != 0) {
304 buf_out = app_malloc(buf_outlen, "buffer output");
305 rv = do_keyop(ctx, pkey_op,
306 buf_out, (size_t *)&buf_outlen,
307 buf_in, (size_t)buf_inlen);
308 }
309 if (rv <= 0) {
310 BIO_puts(bio_err, "Public Key operation error\n");
311 ERR_print_errors(bio_err);
312 goto end;
313 }
314 ret = 0;
315
316 if (asn1parse) {
317 if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
318 ERR_print_errors(bio_err);
319 } else if (hexdump)
320 BIO_dump(out, (char *)buf_out, buf_outlen);
321 else
322 BIO_write(out, buf_out, buf_outlen);
323
324 end:
325 EVP_PKEY_CTX_free(ctx);
326 release_engine(e);
327 BIO_free(in);
328 BIO_free_all(out);
329 OPENSSL_free(buf_in);
330 OPENSSL_free(buf_out);
331 OPENSSL_free(sig);
332 sk_OPENSSL_STRING_free(pkeyopts);
333 return ret;
334}
335
336static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize,
337 const char *keyfile, int keyform, int key_type,
338 char *passinarg, int pkey_op, ENGINE *e,
339 const int engine_impl)
340{
341 EVP_PKEY *pkey = NULL;
342 EVP_PKEY_CTX *ctx = NULL;
343 ENGINE *impl = NULL;
344 char *passin = NULL;
345 int rv = -1;
346 X509 *x;
347 if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
348 || (pkey_op == EVP_PKEY_OP_DERIVE))
349 && (key_type != KEY_PRIVKEY && kdfalg == NULL)) {
350 BIO_printf(bio_err, "A private key is needed for this operation\n");
351 goto end;
352 }
353 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
354 BIO_printf(bio_err, "Error getting password\n");
355 goto end;
356 }
357 switch (key_type) {
358 case KEY_PRIVKEY:
359 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
360 break;
361
362 case KEY_PUBKEY:
363 pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "Public Key");
364 break;
365
366 case KEY_CERT:
367 x = load_cert(keyfile, keyform, "Certificate");
368 if (x) {
369 pkey = X509_get_pubkey(x);
370 X509_free(x);
371 }
372 break;
373
374 case KEY_NONE:
375 break;
376
377 }
378
379#ifndef OPENSSL_NO_ENGINE
380 if (engine_impl)
381 impl = e;
382#endif
383
384 if (kdfalg) {
385 int kdfnid = OBJ_sn2nid(kdfalg);
386 if (kdfnid == NID_undef)
387 goto end;
388 ctx = EVP_PKEY_CTX_new_id(kdfnid, impl);
389 } else {
390 if (pkey == NULL)
391 goto end;
392 *pkeysize = EVP_PKEY_size(pkey);
393 ctx = EVP_PKEY_CTX_new(pkey, impl);
394 EVP_PKEY_free(pkey);
395 }
396
397 if (ctx == NULL)
398 goto end;
399
400 switch (pkey_op) {
401 case EVP_PKEY_OP_SIGN:
402 rv = EVP_PKEY_sign_init(ctx);
403 break;
404
405 case EVP_PKEY_OP_VERIFY:
406 rv = EVP_PKEY_verify_init(ctx);
407 break;
408
409 case EVP_PKEY_OP_VERIFYRECOVER:
410 rv = EVP_PKEY_verify_recover_init(ctx);
411 break;
412
413 case EVP_PKEY_OP_ENCRYPT:
414 rv = EVP_PKEY_encrypt_init(ctx);
415 break;
416
417 case EVP_PKEY_OP_DECRYPT:
418 rv = EVP_PKEY_decrypt_init(ctx);
419 break;
420
421 case EVP_PKEY_OP_DERIVE:
422 rv = EVP_PKEY_derive_init(ctx);
423 break;
424 }
425
426 if (rv <= 0) {
427 EVP_PKEY_CTX_free(ctx);
428 ctx = NULL;
429 }
430
431 end:
432 OPENSSL_free(passin);
433 return ctx;
434
435}
436
437static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file,
438 ENGINE* e)
439{
440 EVP_PKEY *peer = NULL;
441 ENGINE* engine = NULL;
442 int ret;
443
444 if (peerform == FORMAT_ENGINE)
445 engine = e;
446 peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key");
447 if (!peer) {
448 BIO_printf(bio_err, "Error reading peer key %s\n", file);
449 ERR_print_errors(bio_err);
450 return 0;
451 }
452
453 ret = EVP_PKEY_derive_set_peer(ctx, peer);
454
455 EVP_PKEY_free(peer);
456 if (ret <= 0)
457 ERR_print_errors(bio_err);
458 return ret;
459}
460
461static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
462 unsigned char *out, size_t *poutlen,
463 const unsigned char *in, size_t inlen)
464{
465 int rv = 0;
466 switch (pkey_op) {
467 case EVP_PKEY_OP_VERIFYRECOVER:
468 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
469 break;
470
471 case EVP_PKEY_OP_SIGN:
472 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
473 break;
474
475 case EVP_PKEY_OP_ENCRYPT:
476 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
477 break;
478
479 case EVP_PKEY_OP_DECRYPT:
480 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
481 break;
482
483 case EVP_PKEY_OP_DERIVE:
484 rv = EVP_PKEY_derive(ctx, out, poutlen);
485 break;
486
487 }
488 return rv;
489}
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