]>
Commit | Line | Data |
---|---|---|
0f113f3e | 1 | /* |
33388b44 | 2 | * Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved. |
9e4d0f0b | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
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 | |
9e4d0f0b DSH |
8 | */ |
9 | ||
9e4d0f0b | 10 | #include "apps.h" |
dab2cd68 | 11 | #include "progs.h" |
9e4d0f0b DSH |
12 | #include <string.h> |
13 | #include <openssl/err.h> | |
14 | #include <openssl/pem.h> | |
15 | #include <openssl/evp.h> | |
93b1e74c | 16 | #include <sys/stat.h> |
9e4d0f0b | 17 | |
924ec89a | 18 | #define KEY_NONE 0 |
0f113f3e MC |
19 | #define KEY_PRIVKEY 1 |
20 | #define KEY_PUBKEY 2 | |
21 | #define KEY_CERT 3 | |
9e4d0f0b | 22 | |
924ec89a | 23 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 24 | const char *keyfile, int keyform, int key_type, |
9880236e | 25 | char *passinarg, int pkey_op, ENGINE *e, |
ee633ace | 26 | const int impl, int rawin, EVP_PKEY **ppkey); |
ffb1ac67 | 27 | |
0c20802c VD |
28 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
29 | ENGINE *e); | |
9e4d0f0b | 30 | |
b010b7c4 | 31 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
0f113f3e | 32 | unsigned char *out, size_t *poutlen, |
cc696296 | 33 | const unsigned char *in, size_t inlen); |
b010b7c4 | 34 | |
a7cef52f PY |
35 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, |
36 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 37 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
38 | unsigned char **out, size_t *poutlen); |
39 | ||
7e1b7485 RS |
40 | typedef enum OPTION_choice { |
41 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
9880236e | 42 | OPT_ENGINE, OPT_ENGINE_IMPL, OPT_IN, OPT_OUT, |
7e1b7485 RS |
43 | OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN, |
44 | OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT, | |
45 | OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN, | |
9d1bf5f7 | 46 | OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_PKEYOPT_PASSIN, OPT_KDF, |
6bd4e3f2 | 47 | OPT_KDFLEN, OPT_R_ENUM, OPT_PROV_ENUM, |
a7cef52f | 48 | OPT_RAWIN, OPT_DIGEST |
7e1b7485 RS |
49 | } OPTION_CHOICE; |
50 | ||
44c83ebd | 51 | const OPTIONS pkeyutl_options[] = { |
5388f986 | 52 | OPT_SECTION("General"), |
7e1b7485 | 53 | {"help", OPT_HELP, '-', "Display this summary"}, |
5388f986 RS |
54 | #ifndef OPENSSL_NO_ENGINE |
55 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
56 | {"engine_impl", OPT_ENGINE_IMPL, '-', | |
57 | "Also use engine given by -engine for crypto operations"}, | |
58 | #endif | |
a173a7ee | 59 | {"sign", OPT_SIGN, '-', "Sign input data with private key"}, |
7e1b7485 | 60 | {"verify", OPT_VERIFY, '-', "Verify with public key"}, |
a173a7ee RS |
61 | {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"}, |
62 | {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"}, | |
7e1b7485 | 63 | {"derive", OPT_DERIVE, '-', "Derive shared secret"}, |
5388f986 RS |
64 | |
65 | OPT_SECTION("Input"), | |
66 | {"in", OPT_IN, '<', "Input file - default stdin"}, | |
67 | {"rawin", OPT_RAWIN, '-', "Indicate the input data is in raw form"}, | |
68 | {"pubin", OPT_PUBIN, '-', "Input is a public key"}, | |
a173a7ee | 69 | {"inkey", OPT_INKEY, 's', "Input private key file"}, |
16e1b281 | 70 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
5388f986 | 71 | {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"}, |
0c20802c | 72 | {"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"}, |
5388f986 RS |
73 | {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"}, |
74 | {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, | |
75 | {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"}, | |
0c20802c | 76 | {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"}, |
5388f986 RS |
77 | |
78 | OPT_SECTION("Output"), | |
79 | {"out", OPT_OUT, '>', "Output file - default stdout"}, | |
80 | {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"}, | |
81 | {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, | |
82 | {"verifyrecover", OPT_VERIFYRECOVER, '-', | |
83 | "Verify with public key, recover original data"}, | |
84 | ||
85 | OPT_SECTION("Signing/Derivation"), | |
86 | {"digest", OPT_DIGEST, 's', | |
87 | "Specify the digest algorithm when signing the raw input data"}, | |
7e1b7485 | 88 | {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"}, |
9d1bf5f7 JB |
89 | {"pkeyopt_passin", OPT_PKEYOPT_PASSIN, 's', |
90 | "Public key option that is read as a passphrase argument opt:passphrase"}, | |
5388f986 RS |
91 | {"kdf", OPT_KDF, 's', "Use KDF algorithm"}, |
92 | {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"}, | |
93 | ||
3ee1eac2 | 94 | OPT_R_OPTIONS, |
6bd4e3f2 | 95 | OPT_PROV_OPTIONS, |
7e1b7485 RS |
96 | {NULL} |
97 | }; | |
9e4d0f0b | 98 | |
7e1b7485 | 99 | int pkeyutl_main(int argc, char **argv) |
9e4d0f0b | 100 | { |
0f113f3e | 101 | BIO *in = NULL, *out = NULL; |
0f113f3e | 102 | ENGINE *e = NULL; |
0f113f3e | 103 | EVP_PKEY_CTX *ctx = NULL; |
a7cef52f | 104 | EVP_PKEY *pkey = NULL; |
7e1b7485 RS |
105 | char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL; |
106 | char hexdump = 0, asn1parse = 0, rev = 0, *prog; | |
0f113f3e | 107 | unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; |
7e1b7485 | 108 | OPTION_CHOICE o; |
f6add6ac | 109 | int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM; |
7e1b7485 | 110 | int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; |
9880236e | 111 | int engine_impl = 0; |
0f113f3e | 112 | int ret = 1, rv = -1; |
7e1b7485 | 113 | size_t buf_outlen; |
0c20802c VD |
114 | const char *inkey = NULL; |
115 | const char *peerkey = NULL; | |
924ec89a DSH |
116 | const char *kdfalg = NULL; |
117 | int kdflen = 0; | |
0c20802c | 118 | STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; |
9d1bf5f7 | 119 | STACK_OF(OPENSSL_STRING) *pkeyopts_passin = NULL; |
a7cef52f PY |
120 | int rawin = 0; |
121 | const EVP_MD *md = NULL; | |
ee633ace | 122 | int filesize = -1; |
0f113f3e | 123 | |
7e1b7485 RS |
124 | prog = opt_init(argc, argv, pkeyutl_options); |
125 | while ((o = opt_next()) != OPT_EOF) { | |
126 | switch (o) { | |
127 | case OPT_EOF: | |
128 | case OPT_ERR: | |
129 | opthelp: | |
130 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
131 | goto end; | |
132 | case OPT_HELP: | |
133 | opt_help(pkeyutl_options); | |
134 | ret = 0; | |
135 | goto end; | |
136 | case OPT_IN: | |
137 | infile = opt_arg(); | |
138 | break; | |
139 | case OPT_OUT: | |
140 | outfile = opt_arg(); | |
141 | break; | |
142 | case OPT_SIGFILE: | |
143 | sigfile = opt_arg(); | |
144 | break; | |
9880236e M |
145 | case OPT_ENGINE_IMPL: |
146 | engine_impl = 1; | |
147 | break; | |
7e1b7485 | 148 | case OPT_INKEY: |
0c20802c | 149 | inkey = opt_arg(); |
7e1b7485 RS |
150 | break; |
151 | case OPT_PEERKEY: | |
0c20802c | 152 | peerkey = opt_arg(); |
7e1b7485 RS |
153 | break; |
154 | case OPT_PASSIN: | |
155 | passinarg = opt_arg(); | |
156 | break; | |
157 | case OPT_PEERFORM: | |
0c20802c | 158 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform)) |
7e1b7485 RS |
159 | goto opthelp; |
160 | break; | |
161 | case OPT_KEYFORM: | |
0c20802c | 162 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform)) |
7e1b7485 RS |
163 | goto opthelp; |
164 | break; | |
3ee1eac2 RS |
165 | case OPT_R_CASES: |
166 | if (!opt_rand(o)) | |
167 | goto end; | |
168 | break; | |
6bd4e3f2 P |
169 | case OPT_PROV_CASES: |
170 | if (!opt_provider(o)) | |
171 | goto end; | |
172 | break; | |
7e1b7485 RS |
173 | case OPT_ENGINE: |
174 | e = setup_engine(opt_arg(), 0); | |
175 | break; | |
7e1b7485 | 176 | case OPT_PUBIN: |
0f113f3e | 177 | key_type = KEY_PUBKEY; |
7e1b7485 RS |
178 | break; |
179 | case OPT_CERTIN: | |
0f113f3e | 180 | key_type = KEY_CERT; |
7e1b7485 RS |
181 | break; |
182 | case OPT_ASN1PARSE: | |
0f113f3e | 183 | asn1parse = 1; |
7e1b7485 RS |
184 | break; |
185 | case OPT_HEXDUMP: | |
0f113f3e | 186 | hexdump = 1; |
7e1b7485 RS |
187 | break; |
188 | case OPT_SIGN: | |
0f113f3e | 189 | pkey_op = EVP_PKEY_OP_SIGN; |
7e1b7485 RS |
190 | break; |
191 | case OPT_VERIFY: | |
0f113f3e | 192 | pkey_op = EVP_PKEY_OP_VERIFY; |
7e1b7485 RS |
193 | break; |
194 | case OPT_VERIFYRECOVER: | |
0f113f3e | 195 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
7e1b7485 | 196 | break; |
7e1b7485 | 197 | case OPT_ENCRYPT: |
0f113f3e | 198 | pkey_op = EVP_PKEY_OP_ENCRYPT; |
7e1b7485 RS |
199 | break; |
200 | case OPT_DECRYPT: | |
0f113f3e | 201 | pkey_op = EVP_PKEY_OP_DECRYPT; |
7e1b7485 RS |
202 | break; |
203 | case OPT_DERIVE: | |
0f113f3e | 204 | pkey_op = EVP_PKEY_OP_DERIVE; |
7e1b7485 | 205 | break; |
924ec89a DSH |
206 | case OPT_KDF: |
207 | pkey_op = EVP_PKEY_OP_DERIVE; | |
208 | key_type = KEY_NONE; | |
209 | kdfalg = opt_arg(); | |
210 | break; | |
211 | case OPT_KDFLEN: | |
212 | kdflen = atoi(opt_arg()); | |
213 | break; | |
0c20802c VD |
214 | case OPT_REV: |
215 | rev = 1; | |
216 | break; | |
7e1b7485 | 217 | case OPT_PKEYOPT: |
0c20802c VD |
218 | if ((pkeyopts == NULL && |
219 | (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || | |
78524149 | 220 | sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { |
0c20802c | 221 | BIO_puts(bio_err, "out of memory\n"); |
0f113f3e MC |
222 | goto end; |
223 | } | |
7e1b7485 | 224 | break; |
9d1bf5f7 JB |
225 | case OPT_PKEYOPT_PASSIN: |
226 | if ((pkeyopts_passin == NULL && | |
227 | (pkeyopts_passin = sk_OPENSSL_STRING_new_null()) == NULL) || | |
228 | sk_OPENSSL_STRING_push(pkeyopts_passin, opt_arg()) == 0) { | |
229 | BIO_puts(bio_err, "out of memory\n"); | |
230 | goto end; | |
231 | } | |
232 | break; | |
a7cef52f PY |
233 | case OPT_RAWIN: |
234 | rawin = 1; | |
235 | break; | |
236 | case OPT_DIGEST: | |
237 | if (!opt_md(opt_arg(), &md)) | |
238 | goto end; | |
239 | break; | |
0f113f3e | 240 | } |
0f113f3e | 241 | } |
7e1b7485 | 242 | argc = opt_num_rest(); |
03358517 KR |
243 | if (argc != 0) |
244 | goto opthelp; | |
0f113f3e | 245 | |
a7cef52f PY |
246 | if (rawin && pkey_op != EVP_PKEY_OP_SIGN && pkey_op != EVP_PKEY_OP_VERIFY) { |
247 | BIO_printf(bio_err, | |
248 | "%s: -rawin can only be used with -sign or -verify\n", | |
249 | prog); | |
250 | goto opthelp; | |
251 | } | |
252 | ||
253 | if (md != NULL && !rawin) { | |
254 | BIO_printf(bio_err, | |
255 | "%s: -digest can only be used with -rawin\n", | |
256 | prog); | |
257 | goto opthelp; | |
258 | } | |
259 | ||
260 | if (rawin && rev) { | |
261 | BIO_printf(bio_err, "%s: -rev cannot be used with raw input\n", | |
262 | prog); | |
263 | goto opthelp; | |
264 | } | |
265 | ||
924ec89a | 266 | if (kdfalg != NULL) { |
f6add6ac JB |
267 | if (kdflen == 0) { |
268 | BIO_printf(bio_err, | |
269 | "%s: no KDF length given (-kdflen parameter).\n", prog); | |
924ec89a | 270 | goto opthelp; |
f6add6ac JB |
271 | } |
272 | } else if (inkey == NULL) { | |
273 | BIO_printf(bio_err, | |
274 | "%s: no private key given (-inkey parameter).\n", prog); | |
275 | goto opthelp; | |
276 | } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) { | |
277 | BIO_printf(bio_err, | |
278 | "%s: no peer key given (-peerkey parameter).\n", prog); | |
7e1b7485 | 279 | goto opthelp; |
924ec89a DSH |
280 | } |
281 | ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, | |
ee633ace | 282 | passinarg, pkey_op, e, engine_impl, rawin, &pkey); |
0c20802c VD |
283 | if (ctx == NULL) { |
284 | BIO_printf(bio_err, "%s: Error initializing context\n", prog); | |
285 | ERR_print_errors(bio_err); | |
286 | goto end; | |
287 | } | |
288 | if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { | |
289 | BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); | |
290 | ERR_print_errors(bio_err); | |
291 | goto end; | |
292 | } | |
293 | if (pkeyopts != NULL) { | |
294 | int num = sk_OPENSSL_STRING_num(pkeyopts); | |
295 | int i; | |
296 | ||
297 | for (i = 0; i < num; ++i) { | |
298 | const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); | |
299 | ||
300 | if (pkey_ctrl_string(ctx, opt) <= 0) { | |
f6add6ac JB |
301 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", |
302 | prog, opt); | |
0c20802c VD |
303 | ERR_print_errors(bio_err); |
304 | goto end; | |
305 | } | |
306 | } | |
307 | } | |
9d1bf5f7 JB |
308 | if (pkeyopts_passin != NULL) { |
309 | int num = sk_OPENSSL_STRING_num(pkeyopts_passin); | |
310 | int i; | |
311 | ||
312 | for (i = 0; i < num; i++) { | |
313 | char *opt = sk_OPENSSL_STRING_value(pkeyopts_passin, i); | |
314 | char *passin = strchr(opt, ':'); | |
315 | char *passwd; | |
316 | ||
317 | if (passin == NULL) { | |
318 | /* Get password interactively */ | |
319 | char passwd_buf[4096]; | |
320 | BIO_snprintf(passwd_buf, sizeof(passwd_buf), "Enter %s: ", opt); | |
321 | EVP_read_pw_string(passwd_buf, sizeof(passwd_buf) - 1, | |
322 | passwd_buf, 0); | |
323 | passwd = OPENSSL_strdup(passwd_buf); | |
324 | if (passwd == NULL) { | |
325 | BIO_puts(bio_err, "out of memory\n"); | |
326 | goto end; | |
327 | } | |
328 | } else { | |
329 | /* Get password as a passin argument: First split option name | |
330 | * and passphrase argument into two strings */ | |
331 | *passin = 0; | |
332 | passin++; | |
333 | if (app_passwd(passin, NULL, &passwd, NULL) == 0) { | |
334 | BIO_printf(bio_err, "failed to get '%s'\n", opt); | |
335 | goto end; | |
336 | } | |
337 | } | |
338 | ||
339 | if (EVP_PKEY_CTX_ctrl_str(ctx, opt, passwd) <= 0) { | |
340 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", | |
341 | prog, opt); | |
342 | goto end; | |
343 | } | |
344 | OPENSSL_free(passwd); | |
345 | } | |
346 | } | |
0c20802c | 347 | |
2234212c | 348 | if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
349 | BIO_printf(bio_err, |
350 | "%s: Signature file specified for non verify\n", prog); | |
0f113f3e MC |
351 | goto end; |
352 | } | |
353 | ||
2234212c | 354 | if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
355 | BIO_printf(bio_err, |
356 | "%s: No signature file specified for verify\n", prog); | |
0f113f3e MC |
357 | goto end; |
358 | } | |
a9164153 | 359 | |
0f113f3e | 360 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
bdd58d98 | 361 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
93b1e74c | 362 | if (infile != NULL) { |
ee633ace MC |
363 | struct stat st; |
364 | ||
365 | if (stat(infile, &st) == 0 && st.st_size <= INT_MAX) | |
366 | filesize = (int)st.st_size; | |
367 | } | |
7e1b7485 | 368 | if (in == NULL) |
0f113f3e | 369 | goto end; |
0f113f3e | 370 | } |
bdd58d98 | 371 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
372 | if (out == NULL) |
373 | goto end; | |
0f113f3e | 374 | |
2234212c | 375 | if (sigfile != NULL) { |
0f113f3e | 376 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c PY |
377 | |
378 | if (sigbio == NULL) { | |
0f113f3e MC |
379 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); |
380 | goto end; | |
381 | } | |
382 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
383 | BIO_free(sigbio); | |
0c20802c | 384 | if (siglen < 0) { |
0f113f3e MC |
385 | BIO_printf(bio_err, "Error reading signature data\n"); |
386 | goto end; | |
387 | } | |
388 | } | |
389 | ||
a7cef52f PY |
390 | /* Raw input data is handled elsewhere */ |
391 | if (in != NULL && !rawin) { | |
0f113f3e MC |
392 | /* Read the input data */ |
393 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
0c20802c | 394 | if (buf_inlen < 0) { |
0f113f3e | 395 | BIO_printf(bio_err, "Error reading input Data\n"); |
a0abb6a1 | 396 | goto end; |
0f113f3e MC |
397 | } |
398 | if (rev) { | |
399 | size_t i; | |
400 | unsigned char ctmp; | |
401 | size_t l = (size_t)buf_inlen; | |
402 | for (i = 0; i < l / 2; i++) { | |
403 | ctmp = buf_in[i]; | |
404 | buf_in[i] = buf_in[l - 1 - i]; | |
405 | buf_in[l - 1 - i] = ctmp; | |
406 | } | |
407 | } | |
408 | } | |
409 | ||
a7cef52f PY |
410 | /* Sanity check the input if the input is not raw */ |
411 | if (!rawin | |
412 | && buf_inlen > EVP_MAX_MD_SIZE | |
a0abb6a1 | 413 | && (pkey_op == EVP_PKEY_OP_SIGN |
5ffc3324 | 414 | || pkey_op == EVP_PKEY_OP_VERIFY)) { |
a0abb6a1 MC |
415 | BIO_printf(bio_err, |
416 | "Error: The input data looks too long to be a hash\n"); | |
417 | goto end; | |
418 | } | |
419 | ||
0f113f3e | 420 | if (pkey_op == EVP_PKEY_OP_VERIFY) { |
a7cef52f | 421 | if (rawin) { |
ee633ace | 422 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, sig, siglen, |
a7cef52f PY |
423 | NULL, 0); |
424 | } else { | |
425 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
426 | buf_in, (size_t)buf_inlen); | |
427 | } | |
7e1b7485 | 428 | if (rv == 1) { |
0f113f3e | 429 | BIO_puts(out, "Signature Verified Successfully\n"); |
7e1b7485 | 430 | ret = 0; |
2234212c | 431 | } else { |
7e1b7485 | 432 | BIO_puts(out, "Signature Verification Failure\n"); |
2234212c | 433 | } |
7e1b7485 RS |
434 | goto end; |
435 | } | |
924ec89a DSH |
436 | if (kdflen != 0) { |
437 | buf_outlen = kdflen; | |
438 | rv = 1; | |
439 | } else { | |
a7cef52f PY |
440 | if (rawin) { |
441 | /* rawin allocates the buffer in do_raw_keyop() */ | |
ee633ace | 442 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, NULL, 0, |
a7cef52f PY |
443 | &buf_out, (size_t *)&buf_outlen); |
444 | } else { | |
445 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
446 | buf_in, (size_t)buf_inlen); | |
447 | if (rv > 0 && buf_outlen != 0) { | |
448 | buf_out = app_malloc(buf_outlen, "buffer output"); | |
449 | rv = do_keyop(ctx, pkey_op, | |
450 | buf_out, (size_t *)&buf_outlen, | |
451 | buf_in, (size_t)buf_inlen); | |
452 | } | |
453 | } | |
0f113f3e | 454 | } |
78524149 | 455 | if (rv <= 0) { |
f6add6ac JB |
456 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
457 | BIO_puts(bio_err, "Public Key operation error\n"); | |
458 | } else { | |
459 | BIO_puts(bio_err, "Key derivation failed\n"); | |
460 | } | |
0f113f3e MC |
461 | ERR_print_errors(bio_err); |
462 | goto end; | |
463 | } | |
464 | ret = 0; | |
7e1b7485 | 465 | |
0f113f3e MC |
466 | if (asn1parse) { |
467 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
468 | ERR_print_errors(bio_err); | |
2234212c | 469 | } else if (hexdump) { |
0f113f3e | 470 | BIO_dump(out, (char *)buf_out, buf_outlen); |
2234212c | 471 | } else { |
0f113f3e | 472 | BIO_write(out, buf_out, buf_outlen); |
2234212c | 473 | } |
0f113f3e MC |
474 | |
475 | end: | |
c5ba2d99 | 476 | EVP_PKEY_CTX_free(ctx); |
dd1abd44 | 477 | release_engine(e); |
0f113f3e MC |
478 | BIO_free(in); |
479 | BIO_free_all(out); | |
b548a1f1 RS |
480 | OPENSSL_free(buf_in); |
481 | OPENSSL_free(buf_out); | |
482 | OPENSSL_free(sig); | |
0c20802c | 483 | sk_OPENSSL_STRING_free(pkeyopts); |
9d1bf5f7 | 484 | sk_OPENSSL_STRING_free(pkeyopts_passin); |
0f113f3e | 485 | return ret; |
9e4d0f0b DSH |
486 | } |
487 | ||
924ec89a | 488 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 489 | const char *keyfile, int keyform, int key_type, |
9880236e | 490 | char *passinarg, int pkey_op, ENGINE *e, |
ee633ace MC |
491 | const int engine_impl, int rawin, |
492 | EVP_PKEY **ppkey) | |
0f113f3e MC |
493 | { |
494 | EVP_PKEY *pkey = NULL; | |
495 | EVP_PKEY_CTX *ctx = NULL; | |
9880236e | 496 | ENGINE *impl = NULL; |
0f113f3e MC |
497 | char *passin = NULL; |
498 | int rv = -1; | |
499 | X509 *x; | |
500 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) | |
501 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
924ec89a | 502 | && (key_type != KEY_PRIVKEY && kdfalg == NULL)) { |
0f113f3e MC |
503 | BIO_printf(bio_err, "A private key is needed for this operation\n"); |
504 | goto end; | |
505 | } | |
7e1b7485 | 506 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
507 | BIO_printf(bio_err, "Error getting password\n"); |
508 | goto end; | |
509 | } | |
510 | switch (key_type) { | |
511 | case KEY_PRIVKEY: | |
7e1b7485 | 512 | pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); |
0f113f3e MC |
513 | break; |
514 | ||
515 | case KEY_PUBKEY: | |
7e1b7485 | 516 | pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "Public Key"); |
0f113f3e MC |
517 | break; |
518 | ||
519 | case KEY_CERT: | |
a773b52a | 520 | x = load_cert(keyfile, keyform, "Certificate"); |
0f113f3e MC |
521 | if (x) { |
522 | pkey = X509_get_pubkey(x); | |
523 | X509_free(x); | |
524 | } | |
525 | break; | |
526 | ||
924ec89a DSH |
527 | case KEY_NONE: |
528 | break; | |
0f113f3e | 529 | |
924ec89a | 530 | } |
0f113f3e | 531 | |
9880236e M |
532 | #ifndef OPENSSL_NO_ENGINE |
533 | if (engine_impl) | |
534 | impl = e; | |
535 | #endif | |
0f113f3e | 536 | |
2234212c | 537 | if (kdfalg != NULL) { |
924ec89a | 538 | int kdfnid = OBJ_sn2nid(kdfalg); |
b15d5ab6 DSH |
539 | |
540 | if (kdfnid == NID_undef) { | |
541 | kdfnid = OBJ_ln2nid(kdfalg); | |
f6add6ac JB |
542 | if (kdfnid == NID_undef) { |
543 | BIO_printf(bio_err, "The given KDF \"%s\" is unknown.\n", | |
544 | kdfalg); | |
b15d5ab6 | 545 | goto end; |
f6add6ac | 546 | } |
b15d5ab6 | 547 | } |
924ec89a DSH |
548 | ctx = EVP_PKEY_CTX_new_id(kdfnid, impl); |
549 | } else { | |
550 | if (pkey == NULL) | |
551 | goto end; | |
ed86f884 | 552 | |
924ec89a DSH |
553 | *pkeysize = EVP_PKEY_size(pkey); |
554 | ctx = EVP_PKEY_CTX_new(pkey, impl); | |
a7cef52f PY |
555 | if (ppkey != NULL) |
556 | *ppkey = pkey; | |
924ec89a DSH |
557 | EVP_PKEY_free(pkey); |
558 | } | |
0f113f3e | 559 | |
96487cdd | 560 | if (ctx == NULL) |
0f113f3e MC |
561 | goto end; |
562 | ||
ee633ace MC |
563 | /* |
564 | * If rawin then we don't need to actually initialise the EVP_PKEY_CTX | |
565 | * itself. That will get initialised during EVP_DigestSignInit or | |
566 | * EVP_DigestVerifyInit. | |
567 | */ | |
568 | if (rawin) { | |
569 | rv = 1; | |
570 | } else { | |
571 | switch (pkey_op) { | |
572 | case EVP_PKEY_OP_SIGN: | |
573 | rv = EVP_PKEY_sign_init(ctx); | |
574 | break; | |
0f113f3e | 575 | |
ee633ace MC |
576 | case EVP_PKEY_OP_VERIFY: |
577 | rv = EVP_PKEY_verify_init(ctx); | |
578 | break; | |
0f113f3e | 579 | |
ee633ace MC |
580 | case EVP_PKEY_OP_VERIFYRECOVER: |
581 | rv = EVP_PKEY_verify_recover_init(ctx); | |
582 | break; | |
0f113f3e | 583 | |
ee633ace MC |
584 | case EVP_PKEY_OP_ENCRYPT: |
585 | rv = EVP_PKEY_encrypt_init(ctx); | |
586 | break; | |
0f113f3e | 587 | |
ee633ace MC |
588 | case EVP_PKEY_OP_DECRYPT: |
589 | rv = EVP_PKEY_decrypt_init(ctx); | |
590 | break; | |
0f113f3e | 591 | |
ee633ace MC |
592 | case EVP_PKEY_OP_DERIVE: |
593 | rv = EVP_PKEY_derive_init(ctx); | |
594 | break; | |
595 | } | |
0f113f3e MC |
596 | } |
597 | ||
598 | if (rv <= 0) { | |
599 | EVP_PKEY_CTX_free(ctx); | |
600 | ctx = NULL; | |
601 | } | |
602 | ||
603 | end: | |
b548a1f1 | 604 | OPENSSL_free(passin); |
0f113f3e MC |
605 | return ctx; |
606 | ||
607 | } | |
9e4d0f0b | 608 | |
0c20802c | 609 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
f6add6ac | 610 | ENGINE *e) |
0f113f3e MC |
611 | { |
612 | EVP_PKEY *peer = NULL; | |
f6add6ac | 613 | ENGINE *engine = NULL; |
0f113f3e | 614 | int ret; |
0f113f3e | 615 | |
0c20802c VD |
616 | if (peerform == FORMAT_ENGINE) |
617 | engine = e; | |
618 | peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key"); | |
2234212c | 619 | if (peer == NULL) { |
0f113f3e | 620 | BIO_printf(bio_err, "Error reading peer key %s\n", file); |
7e1b7485 | 621 | ERR_print_errors(bio_err); |
0f113f3e MC |
622 | return 0; |
623 | } | |
624 | ||
625 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
626 | ||
627 | EVP_PKEY_free(peer); | |
628 | if (ret <= 0) | |
7e1b7485 | 629 | ERR_print_errors(bio_err); |
0f113f3e MC |
630 | return ret; |
631 | } | |
b010b7c4 DSH |
632 | |
633 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
0f113f3e | 634 | unsigned char *out, size_t *poutlen, |
cc696296 | 635 | const unsigned char *in, size_t inlen) |
0f113f3e MC |
636 | { |
637 | int rv = 0; | |
638 | switch (pkey_op) { | |
639 | case EVP_PKEY_OP_VERIFYRECOVER: | |
640 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
641 | break; | |
642 | ||
643 | case EVP_PKEY_OP_SIGN: | |
644 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
645 | break; | |
646 | ||
647 | case EVP_PKEY_OP_ENCRYPT: | |
648 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
649 | break; | |
650 | ||
651 | case EVP_PKEY_OP_DECRYPT: | |
652 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
653 | break; | |
654 | ||
655 | case EVP_PKEY_OP_DERIVE: | |
656 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
657 | break; | |
658 | ||
659 | } | |
660 | return rv; | |
661 | } | |
a7cef52f PY |
662 | |
663 | #define TBUF_MAXSIZE 2048 | |
664 | ||
665 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, | |
666 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 667 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
668 | unsigned char **out, size_t *poutlen) |
669 | { | |
670 | int rv = 0; | |
671 | EVP_MD_CTX *mctx = NULL; | |
672 | unsigned char tbuf[TBUF_MAXSIZE]; | |
ee633ace MC |
673 | unsigned char *mbuf = NULL; |
674 | int buf_len = 0; | |
a7cef52f PY |
675 | |
676 | if ((mctx = EVP_MD_CTX_new()) == NULL) { | |
677 | BIO_printf(bio_err, "Error: out of memory\n"); | |
678 | return rv; | |
679 | } | |
680 | EVP_MD_CTX_set_pkey_ctx(mctx, ctx); | |
681 | ||
ee633ace MC |
682 | /* Some algorithms only support oneshot digests */ |
683 | if (EVP_PKEY_id(pkey) == EVP_PKEY_ED25519 | |
684 | || EVP_PKEY_id(pkey) == EVP_PKEY_ED448) { | |
685 | if (filesize < 0) { | |
686 | BIO_printf(bio_err, | |
687 | "Error: unable to determine file size for oneshot operation\n"); | |
df09b6b5 | 688 | goto end; |
ee633ace MC |
689 | } |
690 | mbuf = app_malloc(filesize, "oneshot sign/verify buffer"); | |
691 | switch(pkey_op) { | |
692 | case EVP_PKEY_OP_VERIFY: | |
693 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
694 | goto end; | |
695 | buf_len = BIO_read(in, mbuf, filesize); | |
696 | if (buf_len != filesize) { | |
697 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
698 | goto end; | |
699 | } | |
700 | rv = EVP_DigestVerify(mctx, sig, (size_t)siglen, mbuf, buf_len); | |
701 | break; | |
702 | case EVP_PKEY_OP_SIGN: | |
703 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
704 | goto end; | |
705 | buf_len = BIO_read(in, mbuf, filesize); | |
706 | if (buf_len != filesize) { | |
707 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
708 | goto end; | |
709 | } | |
710 | rv = EVP_DigestSign(mctx, NULL, poutlen, mbuf, buf_len); | |
711 | if (rv == 1 && out != NULL) { | |
712 | *out = app_malloc(*poutlen, "buffer output"); | |
713 | rv = EVP_DigestSign(mctx, *out, poutlen, mbuf, buf_len); | |
714 | } | |
715 | break; | |
716 | } | |
ee633ace MC |
717 | goto end; |
718 | } | |
719 | ||
a7cef52f PY |
720 | switch(pkey_op) { |
721 | case EVP_PKEY_OP_VERIFY: | |
722 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
723 | goto end; | |
724 | for (;;) { | |
ee633ace MC |
725 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
726 | if (buf_len == 0) | |
a7cef52f | 727 | break; |
ee633ace | 728 | if (buf_len < 0) { |
a7cef52f PY |
729 | BIO_printf(bio_err, "Error reading raw input data\n"); |
730 | goto end; | |
731 | } | |
ee633ace | 732 | rv = EVP_DigestVerifyUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
733 | if (rv != 1) { |
734 | BIO_printf(bio_err, "Error verifying raw input data\n"); | |
735 | goto end; | |
736 | } | |
737 | } | |
738 | rv = EVP_DigestVerifyFinal(mctx, sig, (size_t)siglen); | |
739 | break; | |
740 | case EVP_PKEY_OP_SIGN: | |
741 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
742 | goto end; | |
743 | for (;;) { | |
ee633ace MC |
744 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
745 | if (buf_len == 0) | |
a7cef52f | 746 | break; |
ee633ace | 747 | if (buf_len < 0) { |
a7cef52f PY |
748 | BIO_printf(bio_err, "Error reading raw input data\n"); |
749 | goto end; | |
750 | } | |
ee633ace | 751 | rv = EVP_DigestSignUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
752 | if (rv != 1) { |
753 | BIO_printf(bio_err, "Error signing raw input data\n"); | |
754 | goto end; | |
755 | } | |
756 | } | |
757 | rv = EVP_DigestSignFinal(mctx, NULL, poutlen); | |
758 | if (rv == 1 && out != NULL) { | |
759 | *out = app_malloc(*poutlen, "buffer output"); | |
760 | rv = EVP_DigestSignFinal(mctx, *out, poutlen); | |
761 | } | |
762 | break; | |
763 | } | |
764 | ||
765 | end: | |
df09b6b5 | 766 | OPENSSL_free(mbuf); |
a7cef52f PY |
767 | EVP_MD_CTX_free(mctx); |
768 | return rv; | |
769 | } |