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Commit | Line | Data |
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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, |
ae89578b | 26 | const int impl, int rawin, EVP_PKEY **ppkey, |
7dc67708 | 27 | OSSL_LIB_CTX *libctx); |
ffb1ac67 | 28 | |
0c20802c VD |
29 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
30 | ENGINE *e); | |
9e4d0f0b | 31 | |
b010b7c4 | 32 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
0f113f3e | 33 | unsigned char *out, size_t *poutlen, |
cc696296 | 34 | const unsigned char *in, size_t inlen); |
b010b7c4 | 35 | |
a7cef52f PY |
36 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, |
37 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 38 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
39 | unsigned char **out, size_t *poutlen); |
40 | ||
7e1b7485 RS |
41 | typedef enum OPTION_choice { |
42 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
9880236e | 43 | OPT_ENGINE, OPT_ENGINE_IMPL, OPT_IN, OPT_OUT, |
7e1b7485 RS |
44 | OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN, |
45 | OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT, | |
46 | OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN, | |
9d1bf5f7 | 47 | OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_PKEYOPT_PASSIN, OPT_KDF, |
6bd4e3f2 | 48 | OPT_KDFLEN, OPT_R_ENUM, OPT_PROV_ENUM, |
ae89578b | 49 | OPT_CONFIG, |
a7cef52f | 50 | OPT_RAWIN, OPT_DIGEST |
7e1b7485 RS |
51 | } OPTION_CHOICE; |
52 | ||
44c83ebd | 53 | const OPTIONS pkeyutl_options[] = { |
5388f986 | 54 | OPT_SECTION("General"), |
7e1b7485 | 55 | {"help", OPT_HELP, '-', "Display this summary"}, |
5388f986 RS |
56 | #ifndef OPENSSL_NO_ENGINE |
57 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
58 | {"engine_impl", OPT_ENGINE_IMPL, '-', | |
59 | "Also use engine given by -engine for crypto operations"}, | |
60 | #endif | |
a173a7ee | 61 | {"sign", OPT_SIGN, '-', "Sign input data with private key"}, |
7e1b7485 | 62 | {"verify", OPT_VERIFY, '-', "Verify with public key"}, |
a173a7ee RS |
63 | {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"}, |
64 | {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"}, | |
7e1b7485 | 65 | {"derive", OPT_DERIVE, '-', "Derive shared secret"}, |
ae89578b | 66 | OPT_CONFIG_OPTION, |
5388f986 RS |
67 | |
68 | OPT_SECTION("Input"), | |
69 | {"in", OPT_IN, '<', "Input file - default stdin"}, | |
70 | {"rawin", OPT_RAWIN, '-', "Indicate the input data is in raw form"}, | |
71 | {"pubin", OPT_PUBIN, '-', "Input is a public key"}, | |
a173a7ee | 72 | {"inkey", OPT_INKEY, 's', "Input private key file"}, |
16e1b281 | 73 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
5388f986 | 74 | {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"}, |
6d382c74 | 75 | {"peerform", OPT_PEERFORM, 'E', "Peer key format (DER/PEM/P12/ENGINE)"}, |
5388f986 RS |
76 | {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"}, |
77 | {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, | |
78 | {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"}, | |
6d382c74 | 79 | {"keyform", OPT_KEYFORM, 'E', "Private key format (ENGINE, other values ignored)"}, |
5388f986 RS |
80 | |
81 | OPT_SECTION("Output"), | |
82 | {"out", OPT_OUT, '>', "Output file - default stdout"}, | |
83 | {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"}, | |
84 | {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, | |
85 | {"verifyrecover", OPT_VERIFYRECOVER, '-', | |
86 | "Verify with public key, recover original data"}, | |
87 | ||
88 | OPT_SECTION("Signing/Derivation"), | |
89 | {"digest", OPT_DIGEST, 's', | |
90 | "Specify the digest algorithm when signing the raw input data"}, | |
7e1b7485 | 91 | {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"}, |
9d1bf5f7 JB |
92 | {"pkeyopt_passin", OPT_PKEYOPT_PASSIN, 's', |
93 | "Public key option that is read as a passphrase argument opt:passphrase"}, | |
5388f986 RS |
94 | {"kdf", OPT_KDF, 's', "Use KDF algorithm"}, |
95 | {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"}, | |
96 | ||
3ee1eac2 | 97 | OPT_R_OPTIONS, |
6bd4e3f2 | 98 | OPT_PROV_OPTIONS, |
7e1b7485 RS |
99 | {NULL} |
100 | }; | |
9e4d0f0b | 101 | |
7e1b7485 | 102 | int pkeyutl_main(int argc, char **argv) |
9e4d0f0b | 103 | { |
ae89578b | 104 | CONF *conf = NULL; |
0f113f3e | 105 | BIO *in = NULL, *out = NULL; |
0f113f3e | 106 | ENGINE *e = NULL; |
0f113f3e | 107 | EVP_PKEY_CTX *ctx = NULL; |
a7cef52f | 108 | EVP_PKEY *pkey = NULL; |
7e1b7485 RS |
109 | char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL; |
110 | char hexdump = 0, asn1parse = 0, rev = 0, *prog; | |
0f113f3e | 111 | unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; |
7e1b7485 | 112 | OPTION_CHOICE o; |
f6add6ac | 113 | int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM; |
7e1b7485 | 114 | int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; |
9880236e | 115 | int engine_impl = 0; |
0f113f3e | 116 | int ret = 1, rv = -1; |
7e1b7485 | 117 | size_t buf_outlen; |
0c20802c VD |
118 | const char *inkey = NULL; |
119 | const char *peerkey = NULL; | |
d0190e11 | 120 | const char *kdfalg = NULL, *digestname = NULL; |
924ec89a | 121 | int kdflen = 0; |
0c20802c | 122 | STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; |
9d1bf5f7 | 123 | STACK_OF(OPENSSL_STRING) *pkeyopts_passin = NULL; |
a7cef52f PY |
124 | int rawin = 0; |
125 | const EVP_MD *md = NULL; | |
ee633ace | 126 | int filesize = -1; |
b4250010 | 127 | OSSL_LIB_CTX *libctx = app_get0_libctx(); |
0f113f3e | 128 | |
7e1b7485 RS |
129 | prog = opt_init(argc, argv, pkeyutl_options); |
130 | while ((o = opt_next()) != OPT_EOF) { | |
131 | switch (o) { | |
132 | case OPT_EOF: | |
133 | case OPT_ERR: | |
134 | opthelp: | |
135 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
136 | goto end; | |
137 | case OPT_HELP: | |
138 | opt_help(pkeyutl_options); | |
139 | ret = 0; | |
140 | goto end; | |
141 | case OPT_IN: | |
142 | infile = opt_arg(); | |
143 | break; | |
144 | case OPT_OUT: | |
145 | outfile = opt_arg(); | |
146 | break; | |
147 | case OPT_SIGFILE: | |
148 | sigfile = opt_arg(); | |
149 | break; | |
9880236e M |
150 | case OPT_ENGINE_IMPL: |
151 | engine_impl = 1; | |
152 | break; | |
7e1b7485 | 153 | case OPT_INKEY: |
0c20802c | 154 | inkey = opt_arg(); |
7e1b7485 RS |
155 | break; |
156 | case OPT_PEERKEY: | |
0c20802c | 157 | peerkey = opt_arg(); |
7e1b7485 RS |
158 | break; |
159 | case OPT_PASSIN: | |
160 | passinarg = opt_arg(); | |
161 | break; | |
162 | case OPT_PEERFORM: | |
6d382c74 | 163 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &peerform)) |
7e1b7485 RS |
164 | goto opthelp; |
165 | break; | |
166 | case OPT_KEYFORM: | |
6d382c74 | 167 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) |
7e1b7485 RS |
168 | goto opthelp; |
169 | break; | |
3ee1eac2 RS |
170 | case OPT_R_CASES: |
171 | if (!opt_rand(o)) | |
172 | goto end; | |
173 | break; | |
ae89578b SL |
174 | case OPT_CONFIG: |
175 | conf = app_load_config_modules(opt_arg()); | |
176 | if (conf == NULL) | |
177 | goto end; | |
178 | break; | |
6bd4e3f2 P |
179 | case OPT_PROV_CASES: |
180 | if (!opt_provider(o)) | |
181 | goto end; | |
182 | break; | |
7e1b7485 RS |
183 | case OPT_ENGINE: |
184 | e = setup_engine(opt_arg(), 0); | |
185 | break; | |
7e1b7485 | 186 | case OPT_PUBIN: |
0f113f3e | 187 | key_type = KEY_PUBKEY; |
7e1b7485 RS |
188 | break; |
189 | case OPT_CERTIN: | |
0f113f3e | 190 | key_type = KEY_CERT; |
7e1b7485 RS |
191 | break; |
192 | case OPT_ASN1PARSE: | |
0f113f3e | 193 | asn1parse = 1; |
7e1b7485 RS |
194 | break; |
195 | case OPT_HEXDUMP: | |
0f113f3e | 196 | hexdump = 1; |
7e1b7485 RS |
197 | break; |
198 | case OPT_SIGN: | |
0f113f3e | 199 | pkey_op = EVP_PKEY_OP_SIGN; |
7e1b7485 RS |
200 | break; |
201 | case OPT_VERIFY: | |
0f113f3e | 202 | pkey_op = EVP_PKEY_OP_VERIFY; |
7e1b7485 RS |
203 | break; |
204 | case OPT_VERIFYRECOVER: | |
0f113f3e | 205 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
7e1b7485 | 206 | break; |
7e1b7485 | 207 | case OPT_ENCRYPT: |
0f113f3e | 208 | pkey_op = EVP_PKEY_OP_ENCRYPT; |
7e1b7485 RS |
209 | break; |
210 | case OPT_DECRYPT: | |
0f113f3e | 211 | pkey_op = EVP_PKEY_OP_DECRYPT; |
7e1b7485 RS |
212 | break; |
213 | case OPT_DERIVE: | |
0f113f3e | 214 | pkey_op = EVP_PKEY_OP_DERIVE; |
7e1b7485 | 215 | break; |
924ec89a DSH |
216 | case OPT_KDF: |
217 | pkey_op = EVP_PKEY_OP_DERIVE; | |
218 | key_type = KEY_NONE; | |
219 | kdfalg = opt_arg(); | |
220 | break; | |
221 | case OPT_KDFLEN: | |
222 | kdflen = atoi(opt_arg()); | |
223 | break; | |
0c20802c VD |
224 | case OPT_REV: |
225 | rev = 1; | |
226 | break; | |
7e1b7485 | 227 | case OPT_PKEYOPT: |
0c20802c VD |
228 | if ((pkeyopts == NULL && |
229 | (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || | |
78524149 | 230 | sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { |
0c20802c | 231 | BIO_puts(bio_err, "out of memory\n"); |
0f113f3e MC |
232 | goto end; |
233 | } | |
7e1b7485 | 234 | break; |
9d1bf5f7 JB |
235 | case OPT_PKEYOPT_PASSIN: |
236 | if ((pkeyopts_passin == NULL && | |
237 | (pkeyopts_passin = sk_OPENSSL_STRING_new_null()) == NULL) || | |
238 | sk_OPENSSL_STRING_push(pkeyopts_passin, opt_arg()) == 0) { | |
239 | BIO_puts(bio_err, "out of memory\n"); | |
240 | goto end; | |
241 | } | |
242 | break; | |
a7cef52f PY |
243 | case OPT_RAWIN: |
244 | rawin = 1; | |
245 | break; | |
246 | case OPT_DIGEST: | |
d0190e11 | 247 | digestname = opt_arg(); |
a7cef52f | 248 | break; |
0f113f3e | 249 | } |
0f113f3e | 250 | } |
021410ea RS |
251 | |
252 | /* No extra arguments. */ | |
7e1b7485 | 253 | argc = opt_num_rest(); |
03358517 KR |
254 | if (argc != 0) |
255 | goto opthelp; | |
0f113f3e | 256 | |
51e5df0e | 257 | app_RAND_load(); |
d0190e11 RS |
258 | if (digestname != NULL) { |
259 | if (!opt_md(digestname, &md)) | |
260 | goto end; | |
261 | } | |
51e5df0e | 262 | |
a7cef52f PY |
263 | if (rawin && pkey_op != EVP_PKEY_OP_SIGN && pkey_op != EVP_PKEY_OP_VERIFY) { |
264 | BIO_printf(bio_err, | |
265 | "%s: -rawin can only be used with -sign or -verify\n", | |
266 | prog); | |
267 | goto opthelp; | |
268 | } | |
269 | ||
270 | if (md != NULL && !rawin) { | |
271 | BIO_printf(bio_err, | |
272 | "%s: -digest can only be used with -rawin\n", | |
273 | prog); | |
274 | goto opthelp; | |
275 | } | |
276 | ||
277 | if (rawin && rev) { | |
278 | BIO_printf(bio_err, "%s: -rev cannot be used with raw input\n", | |
279 | prog); | |
280 | goto opthelp; | |
281 | } | |
282 | ||
924ec89a | 283 | if (kdfalg != NULL) { |
f6add6ac JB |
284 | if (kdflen == 0) { |
285 | BIO_printf(bio_err, | |
286 | "%s: no KDF length given (-kdflen parameter).\n", prog); | |
924ec89a | 287 | goto opthelp; |
f6add6ac JB |
288 | } |
289 | } else if (inkey == NULL) { | |
290 | BIO_printf(bio_err, | |
291 | "%s: no private key given (-inkey parameter).\n", prog); | |
292 | goto opthelp; | |
293 | } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) { | |
294 | BIO_printf(bio_err, | |
295 | "%s: no peer key given (-peerkey parameter).\n", prog); | |
7e1b7485 | 296 | goto opthelp; |
924ec89a DSH |
297 | } |
298 | ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, | |
ae89578b | 299 | passinarg, pkey_op, e, engine_impl, rawin, &pkey, |
7dc67708 | 300 | libctx); |
0c20802c VD |
301 | if (ctx == NULL) { |
302 | BIO_printf(bio_err, "%s: Error initializing context\n", prog); | |
303 | ERR_print_errors(bio_err); | |
304 | goto end; | |
305 | } | |
306 | if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { | |
307 | BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); | |
308 | ERR_print_errors(bio_err); | |
309 | goto end; | |
310 | } | |
311 | if (pkeyopts != NULL) { | |
312 | int num = sk_OPENSSL_STRING_num(pkeyopts); | |
313 | int i; | |
314 | ||
315 | for (i = 0; i < num; ++i) { | |
316 | const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); | |
317 | ||
318 | if (pkey_ctrl_string(ctx, opt) <= 0) { | |
f6add6ac JB |
319 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", |
320 | prog, opt); | |
0c20802c VD |
321 | ERR_print_errors(bio_err); |
322 | goto end; | |
323 | } | |
324 | } | |
325 | } | |
9d1bf5f7 JB |
326 | if (pkeyopts_passin != NULL) { |
327 | int num = sk_OPENSSL_STRING_num(pkeyopts_passin); | |
328 | int i; | |
329 | ||
330 | for (i = 0; i < num; i++) { | |
331 | char *opt = sk_OPENSSL_STRING_value(pkeyopts_passin, i); | |
332 | char *passin = strchr(opt, ':'); | |
333 | char *passwd; | |
334 | ||
335 | if (passin == NULL) { | |
336 | /* Get password interactively */ | |
337 | char passwd_buf[4096]; | |
ffcdb24b P |
338 | int r; |
339 | ||
9d1bf5f7 | 340 | BIO_snprintf(passwd_buf, sizeof(passwd_buf), "Enter %s: ", opt); |
ffcdb24b P |
341 | r = EVP_read_pw_string(passwd_buf, sizeof(passwd_buf) - 1, |
342 | passwd_buf, 0); | |
343 | if (r < 0) { | |
344 | if (r == -2) | |
345 | BIO_puts(bio_err, "user abort\n"); | |
346 | else | |
347 | BIO_puts(bio_err, "entry failed\n"); | |
348 | goto end; | |
349 | } | |
9d1bf5f7 JB |
350 | passwd = OPENSSL_strdup(passwd_buf); |
351 | if (passwd == NULL) { | |
352 | BIO_puts(bio_err, "out of memory\n"); | |
353 | goto end; | |
354 | } | |
355 | } else { | |
356 | /* Get password as a passin argument: First split option name | |
357 | * and passphrase argument into two strings */ | |
358 | *passin = 0; | |
359 | passin++; | |
360 | if (app_passwd(passin, NULL, &passwd, NULL) == 0) { | |
361 | BIO_printf(bio_err, "failed to get '%s'\n", opt); | |
362 | goto end; | |
363 | } | |
364 | } | |
365 | ||
366 | if (EVP_PKEY_CTX_ctrl_str(ctx, opt, passwd) <= 0) { | |
367 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", | |
368 | prog, opt); | |
369 | goto end; | |
370 | } | |
371 | OPENSSL_free(passwd); | |
372 | } | |
373 | } | |
0c20802c | 374 | |
2234212c | 375 | if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
376 | BIO_printf(bio_err, |
377 | "%s: Signature file specified for non verify\n", prog); | |
0f113f3e MC |
378 | goto end; |
379 | } | |
380 | ||
2234212c | 381 | if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
382 | BIO_printf(bio_err, |
383 | "%s: No signature file specified for verify\n", prog); | |
0f113f3e MC |
384 | goto end; |
385 | } | |
a9164153 | 386 | |
0f113f3e | 387 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
bdd58d98 | 388 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
93b1e74c | 389 | if (infile != NULL) { |
ee633ace MC |
390 | struct stat st; |
391 | ||
392 | if (stat(infile, &st) == 0 && st.st_size <= INT_MAX) | |
393 | filesize = (int)st.st_size; | |
394 | } | |
7e1b7485 | 395 | if (in == NULL) |
0f113f3e | 396 | goto end; |
0f113f3e | 397 | } |
bdd58d98 | 398 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
399 | if (out == NULL) |
400 | goto end; | |
0f113f3e | 401 | |
2234212c | 402 | if (sigfile != NULL) { |
0f113f3e | 403 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c PY |
404 | |
405 | if (sigbio == NULL) { | |
0f113f3e MC |
406 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); |
407 | goto end; | |
408 | } | |
409 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
410 | BIO_free(sigbio); | |
0c20802c | 411 | if (siglen < 0) { |
0f113f3e MC |
412 | BIO_printf(bio_err, "Error reading signature data\n"); |
413 | goto end; | |
414 | } | |
415 | } | |
416 | ||
a7cef52f PY |
417 | /* Raw input data is handled elsewhere */ |
418 | if (in != NULL && !rawin) { | |
0f113f3e MC |
419 | /* Read the input data */ |
420 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
0c20802c | 421 | if (buf_inlen < 0) { |
0f113f3e | 422 | BIO_printf(bio_err, "Error reading input Data\n"); |
a0abb6a1 | 423 | goto end; |
0f113f3e MC |
424 | } |
425 | if (rev) { | |
426 | size_t i; | |
427 | unsigned char ctmp; | |
428 | size_t l = (size_t)buf_inlen; | |
429 | for (i = 0; i < l / 2; i++) { | |
430 | ctmp = buf_in[i]; | |
431 | buf_in[i] = buf_in[l - 1 - i]; | |
432 | buf_in[l - 1 - i] = ctmp; | |
433 | } | |
434 | } | |
435 | } | |
436 | ||
a7cef52f PY |
437 | /* Sanity check the input if the input is not raw */ |
438 | if (!rawin | |
439 | && buf_inlen > EVP_MAX_MD_SIZE | |
a0abb6a1 | 440 | && (pkey_op == EVP_PKEY_OP_SIGN |
5ffc3324 | 441 | || pkey_op == EVP_PKEY_OP_VERIFY)) { |
a0abb6a1 MC |
442 | BIO_printf(bio_err, |
443 | "Error: The input data looks too long to be a hash\n"); | |
444 | goto end; | |
445 | } | |
446 | ||
0f113f3e | 447 | if (pkey_op == EVP_PKEY_OP_VERIFY) { |
a7cef52f | 448 | if (rawin) { |
ee633ace | 449 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, sig, siglen, |
a7cef52f PY |
450 | NULL, 0); |
451 | } else { | |
452 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
453 | buf_in, (size_t)buf_inlen); | |
454 | } | |
7e1b7485 | 455 | if (rv == 1) { |
0f113f3e | 456 | BIO_puts(out, "Signature Verified Successfully\n"); |
7e1b7485 | 457 | ret = 0; |
2234212c | 458 | } else { |
7e1b7485 | 459 | BIO_puts(out, "Signature Verification Failure\n"); |
2234212c | 460 | } |
7e1b7485 RS |
461 | goto end; |
462 | } | |
924ec89a DSH |
463 | if (kdflen != 0) { |
464 | buf_outlen = kdflen; | |
465 | rv = 1; | |
466 | } else { | |
a7cef52f PY |
467 | if (rawin) { |
468 | /* rawin allocates the buffer in do_raw_keyop() */ | |
ee633ace | 469 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, NULL, 0, |
a7cef52f PY |
470 | &buf_out, (size_t *)&buf_outlen); |
471 | } else { | |
472 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
473 | buf_in, (size_t)buf_inlen); | |
474 | if (rv > 0 && buf_outlen != 0) { | |
475 | buf_out = app_malloc(buf_outlen, "buffer output"); | |
476 | rv = do_keyop(ctx, pkey_op, | |
477 | buf_out, (size_t *)&buf_outlen, | |
478 | buf_in, (size_t)buf_inlen); | |
479 | } | |
480 | } | |
0f113f3e | 481 | } |
78524149 | 482 | if (rv <= 0) { |
f6add6ac JB |
483 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
484 | BIO_puts(bio_err, "Public Key operation error\n"); | |
485 | } else { | |
486 | BIO_puts(bio_err, "Key derivation failed\n"); | |
487 | } | |
0f113f3e MC |
488 | ERR_print_errors(bio_err); |
489 | goto end; | |
490 | } | |
491 | ret = 0; | |
7e1b7485 | 492 | |
0f113f3e MC |
493 | if (asn1parse) { |
494 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
495 | ERR_print_errors(bio_err); | |
2234212c | 496 | } else if (hexdump) { |
0f113f3e | 497 | BIO_dump(out, (char *)buf_out, buf_outlen); |
2234212c | 498 | } else { |
0f113f3e | 499 | BIO_write(out, buf_out, buf_outlen); |
2234212c | 500 | } |
0f113f3e MC |
501 | |
502 | end: | |
c5ba2d99 | 503 | EVP_PKEY_CTX_free(ctx); |
dd1abd44 | 504 | release_engine(e); |
0f113f3e MC |
505 | BIO_free(in); |
506 | BIO_free_all(out); | |
b548a1f1 RS |
507 | OPENSSL_free(buf_in); |
508 | OPENSSL_free(buf_out); | |
509 | OPENSSL_free(sig); | |
0c20802c | 510 | sk_OPENSSL_STRING_free(pkeyopts); |
9d1bf5f7 | 511 | sk_OPENSSL_STRING_free(pkeyopts_passin); |
ae89578b | 512 | NCONF_free(conf); |
0f113f3e | 513 | return ret; |
9e4d0f0b DSH |
514 | } |
515 | ||
924ec89a | 516 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 517 | const char *keyfile, int keyform, int key_type, |
9880236e | 518 | char *passinarg, int pkey_op, ENGINE *e, |
ee633ace | 519 | const int engine_impl, int rawin, |
ae89578b | 520 | EVP_PKEY **ppkey, |
7dc67708 | 521 | OSSL_LIB_CTX *libctx) |
0f113f3e MC |
522 | { |
523 | EVP_PKEY *pkey = NULL; | |
524 | EVP_PKEY_CTX *ctx = NULL; | |
9880236e | 525 | ENGINE *impl = NULL; |
0f113f3e MC |
526 | char *passin = NULL; |
527 | int rv = -1; | |
528 | X509 *x; | |
7dc67708 | 529 | |
0f113f3e MC |
530 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) |
531 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
924ec89a | 532 | && (key_type != KEY_PRIVKEY && kdfalg == NULL)) { |
0f113f3e MC |
533 | BIO_printf(bio_err, "A private key is needed for this operation\n"); |
534 | goto end; | |
535 | } | |
7e1b7485 | 536 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
537 | BIO_printf(bio_err, "Error getting password\n"); |
538 | goto end; | |
539 | } | |
540 | switch (key_type) { | |
541 | case KEY_PRIVKEY: | |
50eb2a50 | 542 | pkey = load_key(keyfile, keyform, 0, passin, e, "private key"); |
0f113f3e MC |
543 | break; |
544 | ||
545 | case KEY_PUBKEY: | |
50eb2a50 | 546 | pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "public key"); |
0f113f3e MC |
547 | break; |
548 | ||
549 | case KEY_CERT: | |
22dddfb9 | 550 | x = load_cert(keyfile, "Certificate"); |
0f113f3e MC |
551 | if (x) { |
552 | pkey = X509_get_pubkey(x); | |
553 | X509_free(x); | |
554 | } | |
555 | break; | |
556 | ||
924ec89a DSH |
557 | case KEY_NONE: |
558 | break; | |
0f113f3e | 559 | |
924ec89a | 560 | } |
0f113f3e | 561 | |
9880236e M |
562 | #ifndef OPENSSL_NO_ENGINE |
563 | if (engine_impl) | |
564 | impl = e; | |
565 | #endif | |
0f113f3e | 566 | |
2234212c | 567 | if (kdfalg != NULL) { |
924ec89a | 568 | int kdfnid = OBJ_sn2nid(kdfalg); |
b15d5ab6 DSH |
569 | |
570 | if (kdfnid == NID_undef) { | |
571 | kdfnid = OBJ_ln2nid(kdfalg); | |
f6add6ac JB |
572 | if (kdfnid == NID_undef) { |
573 | BIO_printf(bio_err, "The given KDF \"%s\" is unknown.\n", | |
574 | kdfalg); | |
b15d5ab6 | 575 | goto end; |
f6add6ac | 576 | } |
b15d5ab6 | 577 | } |
ae89578b SL |
578 | if (impl != NULL) |
579 | ctx = EVP_PKEY_CTX_new_id(kdfnid, impl); | |
580 | else | |
7dc67708 | 581 | ctx = EVP_PKEY_CTX_new_from_name(libctx, kdfalg, app_get0_propq()); |
924ec89a DSH |
582 | } else { |
583 | if (pkey == NULL) | |
584 | goto end; | |
ed86f884 | 585 | |
924ec89a | 586 | *pkeysize = EVP_PKEY_size(pkey); |
ae89578b SL |
587 | if (impl != NULL) |
588 | ctx = EVP_PKEY_CTX_new(pkey, impl); | |
589 | else | |
7dc67708 | 590 | ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, app_get0_propq()); |
a7cef52f PY |
591 | if (ppkey != NULL) |
592 | *ppkey = pkey; | |
924ec89a DSH |
593 | EVP_PKEY_free(pkey); |
594 | } | |
0f113f3e | 595 | |
96487cdd | 596 | if (ctx == NULL) |
0f113f3e MC |
597 | goto end; |
598 | ||
ee633ace MC |
599 | /* |
600 | * If rawin then we don't need to actually initialise the EVP_PKEY_CTX | |
601 | * itself. That will get initialised during EVP_DigestSignInit or | |
602 | * EVP_DigestVerifyInit. | |
603 | */ | |
604 | if (rawin) { | |
605 | rv = 1; | |
606 | } else { | |
607 | switch (pkey_op) { | |
608 | case EVP_PKEY_OP_SIGN: | |
609 | rv = EVP_PKEY_sign_init(ctx); | |
610 | break; | |
0f113f3e | 611 | |
ee633ace MC |
612 | case EVP_PKEY_OP_VERIFY: |
613 | rv = EVP_PKEY_verify_init(ctx); | |
614 | break; | |
0f113f3e | 615 | |
ee633ace MC |
616 | case EVP_PKEY_OP_VERIFYRECOVER: |
617 | rv = EVP_PKEY_verify_recover_init(ctx); | |
618 | break; | |
0f113f3e | 619 | |
ee633ace MC |
620 | case EVP_PKEY_OP_ENCRYPT: |
621 | rv = EVP_PKEY_encrypt_init(ctx); | |
622 | break; | |
0f113f3e | 623 | |
ee633ace MC |
624 | case EVP_PKEY_OP_DECRYPT: |
625 | rv = EVP_PKEY_decrypt_init(ctx); | |
626 | break; | |
0f113f3e | 627 | |
ee633ace MC |
628 | case EVP_PKEY_OP_DERIVE: |
629 | rv = EVP_PKEY_derive_init(ctx); | |
630 | break; | |
631 | } | |
0f113f3e MC |
632 | } |
633 | ||
634 | if (rv <= 0) { | |
635 | EVP_PKEY_CTX_free(ctx); | |
636 | ctx = NULL; | |
637 | } | |
638 | ||
639 | end: | |
b548a1f1 | 640 | OPENSSL_free(passin); |
0f113f3e MC |
641 | return ctx; |
642 | ||
643 | } | |
9e4d0f0b | 644 | |
0c20802c | 645 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
f6add6ac | 646 | ENGINE *e) |
0f113f3e MC |
647 | { |
648 | EVP_PKEY *peer = NULL; | |
f6add6ac | 649 | ENGINE *engine = NULL; |
0f113f3e | 650 | int ret; |
0f113f3e | 651 | |
0c20802c VD |
652 | if (peerform == FORMAT_ENGINE) |
653 | engine = e; | |
50eb2a50 | 654 | peer = load_pubkey(file, peerform, 0, NULL, engine, "peer key"); |
2234212c | 655 | if (peer == NULL) { |
0f113f3e | 656 | BIO_printf(bio_err, "Error reading peer key %s\n", file); |
7e1b7485 | 657 | ERR_print_errors(bio_err); |
0f113f3e MC |
658 | return 0; |
659 | } | |
660 | ||
661 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
662 | ||
663 | EVP_PKEY_free(peer); | |
664 | if (ret <= 0) | |
7e1b7485 | 665 | ERR_print_errors(bio_err); |
0f113f3e MC |
666 | return ret; |
667 | } | |
b010b7c4 DSH |
668 | |
669 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
0f113f3e | 670 | unsigned char *out, size_t *poutlen, |
cc696296 | 671 | const unsigned char *in, size_t inlen) |
0f113f3e MC |
672 | { |
673 | int rv = 0; | |
674 | switch (pkey_op) { | |
675 | case EVP_PKEY_OP_VERIFYRECOVER: | |
676 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
677 | break; | |
678 | ||
679 | case EVP_PKEY_OP_SIGN: | |
680 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
681 | break; | |
682 | ||
683 | case EVP_PKEY_OP_ENCRYPT: | |
684 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
685 | break; | |
686 | ||
687 | case EVP_PKEY_OP_DECRYPT: | |
688 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
689 | break; | |
690 | ||
691 | case EVP_PKEY_OP_DERIVE: | |
692 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
693 | break; | |
694 | ||
695 | } | |
696 | return rv; | |
697 | } | |
a7cef52f PY |
698 | |
699 | #define TBUF_MAXSIZE 2048 | |
700 | ||
701 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, | |
702 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 703 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
704 | unsigned char **out, size_t *poutlen) |
705 | { | |
706 | int rv = 0; | |
707 | EVP_MD_CTX *mctx = NULL; | |
708 | unsigned char tbuf[TBUF_MAXSIZE]; | |
ee633ace MC |
709 | unsigned char *mbuf = NULL; |
710 | int buf_len = 0; | |
a7cef52f PY |
711 | |
712 | if ((mctx = EVP_MD_CTX_new()) == NULL) { | |
713 | BIO_printf(bio_err, "Error: out of memory\n"); | |
714 | return rv; | |
715 | } | |
716 | EVP_MD_CTX_set_pkey_ctx(mctx, ctx); | |
717 | ||
ee633ace MC |
718 | /* Some algorithms only support oneshot digests */ |
719 | if (EVP_PKEY_id(pkey) == EVP_PKEY_ED25519 | |
720 | || EVP_PKEY_id(pkey) == EVP_PKEY_ED448) { | |
721 | if (filesize < 0) { | |
722 | BIO_printf(bio_err, | |
723 | "Error: unable to determine file size for oneshot operation\n"); | |
df09b6b5 | 724 | goto end; |
ee633ace MC |
725 | } |
726 | mbuf = app_malloc(filesize, "oneshot sign/verify buffer"); | |
727 | switch(pkey_op) { | |
728 | case EVP_PKEY_OP_VERIFY: | |
729 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
730 | goto end; | |
731 | buf_len = BIO_read(in, mbuf, filesize); | |
732 | if (buf_len != filesize) { | |
733 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
734 | goto end; | |
735 | } | |
736 | rv = EVP_DigestVerify(mctx, sig, (size_t)siglen, mbuf, buf_len); | |
737 | break; | |
738 | case EVP_PKEY_OP_SIGN: | |
739 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
740 | goto end; | |
741 | buf_len = BIO_read(in, mbuf, filesize); | |
742 | if (buf_len != filesize) { | |
743 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
744 | goto end; | |
745 | } | |
746 | rv = EVP_DigestSign(mctx, NULL, poutlen, mbuf, buf_len); | |
747 | if (rv == 1 && out != NULL) { | |
748 | *out = app_malloc(*poutlen, "buffer output"); | |
749 | rv = EVP_DigestSign(mctx, *out, poutlen, mbuf, buf_len); | |
750 | } | |
751 | break; | |
752 | } | |
ee633ace MC |
753 | goto end; |
754 | } | |
755 | ||
a7cef52f PY |
756 | switch(pkey_op) { |
757 | case EVP_PKEY_OP_VERIFY: | |
758 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
759 | goto end; | |
760 | for (;;) { | |
ee633ace MC |
761 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
762 | if (buf_len == 0) | |
a7cef52f | 763 | break; |
ee633ace | 764 | if (buf_len < 0) { |
a7cef52f PY |
765 | BIO_printf(bio_err, "Error reading raw input data\n"); |
766 | goto end; | |
767 | } | |
ee633ace | 768 | rv = EVP_DigestVerifyUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
769 | if (rv != 1) { |
770 | BIO_printf(bio_err, "Error verifying raw input data\n"); | |
771 | goto end; | |
772 | } | |
773 | } | |
774 | rv = EVP_DigestVerifyFinal(mctx, sig, (size_t)siglen); | |
775 | break; | |
776 | case EVP_PKEY_OP_SIGN: | |
777 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
778 | goto end; | |
779 | for (;;) { | |
ee633ace MC |
780 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
781 | if (buf_len == 0) | |
a7cef52f | 782 | break; |
ee633ace | 783 | if (buf_len < 0) { |
a7cef52f PY |
784 | BIO_printf(bio_err, "Error reading raw input data\n"); |
785 | goto end; | |
786 | } | |
ee633ace | 787 | rv = EVP_DigestSignUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
788 | if (rv != 1) { |
789 | BIO_printf(bio_err, "Error signing raw input data\n"); | |
790 | goto end; | |
791 | } | |
792 | } | |
793 | rv = EVP_DigestSignFinal(mctx, NULL, poutlen); | |
794 | if (rv == 1 && out != NULL) { | |
795 | *out = app_malloc(*poutlen, "buffer output"); | |
796 | rv = EVP_DigestSignFinal(mctx, *out, poutlen); | |
797 | } | |
798 | break; | |
799 | } | |
800 | ||
801 | end: | |
df09b6b5 | 802 | OPENSSL_free(mbuf); |
a7cef52f PY |
803 | EVP_MD_CTX_free(mctx); |
804 | return rv; | |
805 | } |