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Commit | Line | Data |
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0f113f3e | 1 | /* |
6738bf14 | 2 | * Copyright 2006-2018 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, |
a7cef52f PY |
47 | OPT_KDFLEN, OPT_R_ENUM, |
48 | OPT_RAWIN, OPT_DIGEST | |
7e1b7485 RS |
49 | } OPTION_CHOICE; |
50 | ||
44c83ebd | 51 | const OPTIONS pkeyutl_options[] = { |
7e1b7485 | 52 | {"help", OPT_HELP, '-', "Display this summary"}, |
a173a7ee | 53 | {"in", OPT_IN, '<', "Input file - default stdin"}, |
a7cef52f PY |
54 | {"rawin", OPT_RAWIN, '-', "Indicate the input data is in raw form"}, |
55 | {"digest", OPT_DIGEST, 's', | |
56 | "Specify the digest algorithm when signing the raw input data"}, | |
a173a7ee | 57 | {"out", OPT_OUT, '>', "Output file - default stdout"}, |
7e1b7485 RS |
58 | {"pubin", OPT_PUBIN, '-', "Input is a public key"}, |
59 | {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"}, | |
0c20802c | 60 | {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"}, |
7e1b7485 | 61 | {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, |
a173a7ee | 62 | {"sign", OPT_SIGN, '-', "Sign input data with private key"}, |
7e1b7485 RS |
63 | {"verify", OPT_VERIFY, '-', "Verify with public key"}, |
64 | {"verifyrecover", OPT_VERIFYRECOVER, '-', | |
65 | "Verify with public key, recover original data"}, | |
a173a7ee RS |
66 | {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, |
67 | {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"}, | |
68 | {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"}, | |
7e1b7485 | 69 | {"derive", OPT_DERIVE, '-', "Derive shared secret"}, |
924ec89a DSH |
70 | {"kdf", OPT_KDF, 's', "Use KDF algorithm"}, |
71 | {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"}, | |
7e1b7485 | 72 | {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"}, |
a173a7ee | 73 | {"inkey", OPT_INKEY, 's', "Input private key file"}, |
0c20802c | 74 | {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"}, |
16e1b281 | 75 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
0c20802c VD |
76 | {"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"}, |
77 | {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"}, | |
7e1b7485 | 78 | {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"}, |
9d1bf5f7 JB |
79 | {"pkeyopt_passin", OPT_PKEYOPT_PASSIN, 's', |
80 | "Public key option that is read as a passphrase argument opt:passphrase"}, | |
3ee1eac2 | 81 | OPT_R_OPTIONS, |
7e1b7485 RS |
82 | #ifndef OPENSSL_NO_ENGINE |
83 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
a173a7ee RS |
84 | {"engine_impl", OPT_ENGINE_IMPL, '-', |
85 | "Also use engine given by -engine for crypto operations"}, | |
7e1b7485 RS |
86 | #endif |
87 | {NULL} | |
88 | }; | |
9e4d0f0b | 89 | |
7e1b7485 | 90 | int pkeyutl_main(int argc, char **argv) |
9e4d0f0b | 91 | { |
0f113f3e | 92 | BIO *in = NULL, *out = NULL; |
0f113f3e | 93 | ENGINE *e = NULL; |
0f113f3e | 94 | EVP_PKEY_CTX *ctx = NULL; |
a7cef52f | 95 | EVP_PKEY *pkey = NULL; |
7e1b7485 RS |
96 | char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL; |
97 | char hexdump = 0, asn1parse = 0, rev = 0, *prog; | |
0f113f3e | 98 | unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; |
7e1b7485 | 99 | OPTION_CHOICE o; |
f6add6ac | 100 | int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM; |
7e1b7485 | 101 | int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; |
9880236e | 102 | int engine_impl = 0; |
0f113f3e | 103 | int ret = 1, rv = -1; |
7e1b7485 | 104 | size_t buf_outlen; |
0c20802c VD |
105 | const char *inkey = NULL; |
106 | const char *peerkey = NULL; | |
924ec89a DSH |
107 | const char *kdfalg = NULL; |
108 | int kdflen = 0; | |
0c20802c | 109 | STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; |
9d1bf5f7 | 110 | STACK_OF(OPENSSL_STRING) *pkeyopts_passin = NULL; |
a7cef52f PY |
111 | int rawin = 0; |
112 | const EVP_MD *md = NULL; | |
ee633ace | 113 | int filesize = -1; |
0f113f3e | 114 | |
7e1b7485 RS |
115 | prog = opt_init(argc, argv, pkeyutl_options); |
116 | while ((o = opt_next()) != OPT_EOF) { | |
117 | switch (o) { | |
118 | case OPT_EOF: | |
119 | case OPT_ERR: | |
120 | opthelp: | |
121 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
122 | goto end; | |
123 | case OPT_HELP: | |
124 | opt_help(pkeyutl_options); | |
125 | ret = 0; | |
126 | goto end; | |
127 | case OPT_IN: | |
128 | infile = opt_arg(); | |
129 | break; | |
130 | case OPT_OUT: | |
131 | outfile = opt_arg(); | |
132 | break; | |
133 | case OPT_SIGFILE: | |
134 | sigfile = opt_arg(); | |
135 | break; | |
9880236e M |
136 | case OPT_ENGINE_IMPL: |
137 | engine_impl = 1; | |
138 | break; | |
7e1b7485 | 139 | case OPT_INKEY: |
0c20802c | 140 | inkey = opt_arg(); |
7e1b7485 RS |
141 | break; |
142 | case OPT_PEERKEY: | |
0c20802c | 143 | peerkey = opt_arg(); |
7e1b7485 RS |
144 | break; |
145 | case OPT_PASSIN: | |
146 | passinarg = opt_arg(); | |
147 | break; | |
148 | case OPT_PEERFORM: | |
0c20802c | 149 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform)) |
7e1b7485 RS |
150 | goto opthelp; |
151 | break; | |
152 | case OPT_KEYFORM: | |
0c20802c | 153 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform)) |
7e1b7485 RS |
154 | goto opthelp; |
155 | break; | |
3ee1eac2 RS |
156 | case OPT_R_CASES: |
157 | if (!opt_rand(o)) | |
158 | goto end; | |
159 | break; | |
7e1b7485 RS |
160 | case OPT_ENGINE: |
161 | e = setup_engine(opt_arg(), 0); | |
162 | break; | |
7e1b7485 | 163 | case OPT_PUBIN: |
0f113f3e | 164 | key_type = KEY_PUBKEY; |
7e1b7485 RS |
165 | break; |
166 | case OPT_CERTIN: | |
0f113f3e | 167 | key_type = KEY_CERT; |
7e1b7485 RS |
168 | break; |
169 | case OPT_ASN1PARSE: | |
0f113f3e | 170 | asn1parse = 1; |
7e1b7485 RS |
171 | break; |
172 | case OPT_HEXDUMP: | |
0f113f3e | 173 | hexdump = 1; |
7e1b7485 RS |
174 | break; |
175 | case OPT_SIGN: | |
0f113f3e | 176 | pkey_op = EVP_PKEY_OP_SIGN; |
7e1b7485 RS |
177 | break; |
178 | case OPT_VERIFY: | |
0f113f3e | 179 | pkey_op = EVP_PKEY_OP_VERIFY; |
7e1b7485 RS |
180 | break; |
181 | case OPT_VERIFYRECOVER: | |
0f113f3e | 182 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
7e1b7485 | 183 | break; |
7e1b7485 | 184 | case OPT_ENCRYPT: |
0f113f3e | 185 | pkey_op = EVP_PKEY_OP_ENCRYPT; |
7e1b7485 RS |
186 | break; |
187 | case OPT_DECRYPT: | |
0f113f3e | 188 | pkey_op = EVP_PKEY_OP_DECRYPT; |
7e1b7485 RS |
189 | break; |
190 | case OPT_DERIVE: | |
0f113f3e | 191 | pkey_op = EVP_PKEY_OP_DERIVE; |
7e1b7485 | 192 | break; |
924ec89a DSH |
193 | case OPT_KDF: |
194 | pkey_op = EVP_PKEY_OP_DERIVE; | |
195 | key_type = KEY_NONE; | |
196 | kdfalg = opt_arg(); | |
197 | break; | |
198 | case OPT_KDFLEN: | |
199 | kdflen = atoi(opt_arg()); | |
200 | break; | |
0c20802c VD |
201 | case OPT_REV: |
202 | rev = 1; | |
203 | break; | |
7e1b7485 | 204 | case OPT_PKEYOPT: |
0c20802c VD |
205 | if ((pkeyopts == NULL && |
206 | (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || | |
78524149 | 207 | sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { |
0c20802c | 208 | BIO_puts(bio_err, "out of memory\n"); |
0f113f3e MC |
209 | goto end; |
210 | } | |
7e1b7485 | 211 | break; |
9d1bf5f7 JB |
212 | case OPT_PKEYOPT_PASSIN: |
213 | if ((pkeyopts_passin == NULL && | |
214 | (pkeyopts_passin = sk_OPENSSL_STRING_new_null()) == NULL) || | |
215 | sk_OPENSSL_STRING_push(pkeyopts_passin, opt_arg()) == 0) { | |
216 | BIO_puts(bio_err, "out of memory\n"); | |
217 | goto end; | |
218 | } | |
219 | break; | |
a7cef52f PY |
220 | case OPT_RAWIN: |
221 | rawin = 1; | |
222 | break; | |
223 | case OPT_DIGEST: | |
224 | if (!opt_md(opt_arg(), &md)) | |
225 | goto end; | |
226 | break; | |
0f113f3e | 227 | } |
0f113f3e | 228 | } |
7e1b7485 | 229 | argc = opt_num_rest(); |
03358517 KR |
230 | if (argc != 0) |
231 | goto opthelp; | |
0f113f3e | 232 | |
a7cef52f PY |
233 | if (rawin && pkey_op != EVP_PKEY_OP_SIGN && pkey_op != EVP_PKEY_OP_VERIFY) { |
234 | BIO_printf(bio_err, | |
235 | "%s: -rawin can only be used with -sign or -verify\n", | |
236 | prog); | |
237 | goto opthelp; | |
238 | } | |
239 | ||
240 | if (md != NULL && !rawin) { | |
241 | BIO_printf(bio_err, | |
242 | "%s: -digest can only be used with -rawin\n", | |
243 | prog); | |
244 | goto opthelp; | |
245 | } | |
246 | ||
247 | if (rawin && rev) { | |
248 | BIO_printf(bio_err, "%s: -rev cannot be used with raw input\n", | |
249 | prog); | |
250 | goto opthelp; | |
251 | } | |
252 | ||
924ec89a | 253 | if (kdfalg != NULL) { |
f6add6ac JB |
254 | if (kdflen == 0) { |
255 | BIO_printf(bio_err, | |
256 | "%s: no KDF length given (-kdflen parameter).\n", prog); | |
924ec89a | 257 | goto opthelp; |
f6add6ac JB |
258 | } |
259 | } else if (inkey == NULL) { | |
260 | BIO_printf(bio_err, | |
261 | "%s: no private key given (-inkey parameter).\n", prog); | |
262 | goto opthelp; | |
263 | } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) { | |
264 | BIO_printf(bio_err, | |
265 | "%s: no peer key given (-peerkey parameter).\n", prog); | |
7e1b7485 | 266 | goto opthelp; |
924ec89a DSH |
267 | } |
268 | ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, | |
ee633ace | 269 | passinarg, pkey_op, e, engine_impl, rawin, &pkey); |
0c20802c VD |
270 | if (ctx == NULL) { |
271 | BIO_printf(bio_err, "%s: Error initializing context\n", prog); | |
272 | ERR_print_errors(bio_err); | |
273 | goto end; | |
274 | } | |
275 | if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { | |
276 | BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); | |
277 | ERR_print_errors(bio_err); | |
278 | goto end; | |
279 | } | |
280 | if (pkeyopts != NULL) { | |
281 | int num = sk_OPENSSL_STRING_num(pkeyopts); | |
282 | int i; | |
283 | ||
284 | for (i = 0; i < num; ++i) { | |
285 | const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); | |
286 | ||
287 | if (pkey_ctrl_string(ctx, opt) <= 0) { | |
f6add6ac JB |
288 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", |
289 | prog, opt); | |
0c20802c VD |
290 | ERR_print_errors(bio_err); |
291 | goto end; | |
292 | } | |
293 | } | |
294 | } | |
9d1bf5f7 JB |
295 | if (pkeyopts_passin != NULL) { |
296 | int num = sk_OPENSSL_STRING_num(pkeyopts_passin); | |
297 | int i; | |
298 | ||
299 | for (i = 0; i < num; i++) { | |
300 | char *opt = sk_OPENSSL_STRING_value(pkeyopts_passin, i); | |
301 | char *passin = strchr(opt, ':'); | |
302 | char *passwd; | |
303 | ||
304 | if (passin == NULL) { | |
305 | /* Get password interactively */ | |
306 | char passwd_buf[4096]; | |
307 | BIO_snprintf(passwd_buf, sizeof(passwd_buf), "Enter %s: ", opt); | |
308 | EVP_read_pw_string(passwd_buf, sizeof(passwd_buf) - 1, | |
309 | passwd_buf, 0); | |
310 | passwd = OPENSSL_strdup(passwd_buf); | |
311 | if (passwd == NULL) { | |
312 | BIO_puts(bio_err, "out of memory\n"); | |
313 | goto end; | |
314 | } | |
315 | } else { | |
316 | /* Get password as a passin argument: First split option name | |
317 | * and passphrase argument into two strings */ | |
318 | *passin = 0; | |
319 | passin++; | |
320 | if (app_passwd(passin, NULL, &passwd, NULL) == 0) { | |
321 | BIO_printf(bio_err, "failed to get '%s'\n", opt); | |
322 | goto end; | |
323 | } | |
324 | } | |
325 | ||
326 | if (EVP_PKEY_CTX_ctrl_str(ctx, opt, passwd) <= 0) { | |
327 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", | |
328 | prog, opt); | |
329 | goto end; | |
330 | } | |
331 | OPENSSL_free(passwd); | |
332 | } | |
333 | } | |
0c20802c | 334 | |
2234212c | 335 | if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
336 | BIO_printf(bio_err, |
337 | "%s: Signature file specified for non verify\n", prog); | |
0f113f3e MC |
338 | goto end; |
339 | } | |
340 | ||
2234212c | 341 | if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
342 | BIO_printf(bio_err, |
343 | "%s: No signature file specified for verify\n", prog); | |
0f113f3e MC |
344 | goto end; |
345 | } | |
a9164153 | 346 | |
0f113f3e | 347 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
bdd58d98 | 348 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
93b1e74c | 349 | if (infile != NULL) { |
ee633ace MC |
350 | struct stat st; |
351 | ||
352 | if (stat(infile, &st) == 0 && st.st_size <= INT_MAX) | |
353 | filesize = (int)st.st_size; | |
354 | } | |
7e1b7485 | 355 | if (in == NULL) |
0f113f3e | 356 | goto end; |
0f113f3e | 357 | } |
bdd58d98 | 358 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
359 | if (out == NULL) |
360 | goto end; | |
0f113f3e | 361 | |
2234212c | 362 | if (sigfile != NULL) { |
0f113f3e | 363 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c PY |
364 | |
365 | if (sigbio == NULL) { | |
0f113f3e MC |
366 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); |
367 | goto end; | |
368 | } | |
369 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
370 | BIO_free(sigbio); | |
0c20802c | 371 | if (siglen < 0) { |
0f113f3e MC |
372 | BIO_printf(bio_err, "Error reading signature data\n"); |
373 | goto end; | |
374 | } | |
375 | } | |
376 | ||
a7cef52f PY |
377 | /* Raw input data is handled elsewhere */ |
378 | if (in != NULL && !rawin) { | |
0f113f3e MC |
379 | /* Read the input data */ |
380 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
0c20802c | 381 | if (buf_inlen < 0) { |
0f113f3e | 382 | BIO_printf(bio_err, "Error reading input Data\n"); |
a0abb6a1 | 383 | goto end; |
0f113f3e MC |
384 | } |
385 | if (rev) { | |
386 | size_t i; | |
387 | unsigned char ctmp; | |
388 | size_t l = (size_t)buf_inlen; | |
389 | for (i = 0; i < l / 2; i++) { | |
390 | ctmp = buf_in[i]; | |
391 | buf_in[i] = buf_in[l - 1 - i]; | |
392 | buf_in[l - 1 - i] = ctmp; | |
393 | } | |
394 | } | |
395 | } | |
396 | ||
a7cef52f PY |
397 | /* Sanity check the input if the input is not raw */ |
398 | if (!rawin | |
399 | && buf_inlen > EVP_MAX_MD_SIZE | |
a0abb6a1 MC |
400 | && (pkey_op == EVP_PKEY_OP_SIGN |
401 | || pkey_op == EVP_PKEY_OP_VERIFY | |
402 | || pkey_op == EVP_PKEY_OP_VERIFYRECOVER)) { | |
403 | BIO_printf(bio_err, | |
404 | "Error: The input data looks too long to be a hash\n"); | |
405 | goto end; | |
406 | } | |
407 | ||
0f113f3e | 408 | if (pkey_op == EVP_PKEY_OP_VERIFY) { |
a7cef52f | 409 | if (rawin) { |
ee633ace | 410 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, sig, siglen, |
a7cef52f PY |
411 | NULL, 0); |
412 | } else { | |
413 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
414 | buf_in, (size_t)buf_inlen); | |
415 | } | |
7e1b7485 | 416 | if (rv == 1) { |
0f113f3e | 417 | BIO_puts(out, "Signature Verified Successfully\n"); |
7e1b7485 | 418 | ret = 0; |
2234212c | 419 | } else { |
7e1b7485 | 420 | BIO_puts(out, "Signature Verification Failure\n"); |
2234212c | 421 | } |
7e1b7485 RS |
422 | goto end; |
423 | } | |
924ec89a DSH |
424 | if (kdflen != 0) { |
425 | buf_outlen = kdflen; | |
426 | rv = 1; | |
427 | } else { | |
a7cef52f PY |
428 | if (rawin) { |
429 | /* rawin allocates the buffer in do_raw_keyop() */ | |
ee633ace | 430 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, NULL, 0, |
a7cef52f PY |
431 | &buf_out, (size_t *)&buf_outlen); |
432 | } else { | |
433 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
434 | buf_in, (size_t)buf_inlen); | |
435 | if (rv > 0 && buf_outlen != 0) { | |
436 | buf_out = app_malloc(buf_outlen, "buffer output"); | |
437 | rv = do_keyop(ctx, pkey_op, | |
438 | buf_out, (size_t *)&buf_outlen, | |
439 | buf_in, (size_t)buf_inlen); | |
440 | } | |
441 | } | |
0f113f3e | 442 | } |
78524149 | 443 | if (rv <= 0) { |
f6add6ac JB |
444 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
445 | BIO_puts(bio_err, "Public Key operation error\n"); | |
446 | } else { | |
447 | BIO_puts(bio_err, "Key derivation failed\n"); | |
448 | } | |
0f113f3e MC |
449 | ERR_print_errors(bio_err); |
450 | goto end; | |
451 | } | |
452 | ret = 0; | |
7e1b7485 | 453 | |
0f113f3e MC |
454 | if (asn1parse) { |
455 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
456 | ERR_print_errors(bio_err); | |
2234212c | 457 | } else if (hexdump) { |
0f113f3e | 458 | BIO_dump(out, (char *)buf_out, buf_outlen); |
2234212c | 459 | } else { |
0f113f3e | 460 | BIO_write(out, buf_out, buf_outlen); |
2234212c | 461 | } |
0f113f3e MC |
462 | |
463 | end: | |
c5ba2d99 | 464 | EVP_PKEY_CTX_free(ctx); |
dd1abd44 | 465 | release_engine(e); |
0f113f3e MC |
466 | BIO_free(in); |
467 | BIO_free_all(out); | |
b548a1f1 RS |
468 | OPENSSL_free(buf_in); |
469 | OPENSSL_free(buf_out); | |
470 | OPENSSL_free(sig); | |
0c20802c | 471 | sk_OPENSSL_STRING_free(pkeyopts); |
9d1bf5f7 | 472 | sk_OPENSSL_STRING_free(pkeyopts_passin); |
0f113f3e | 473 | return ret; |
9e4d0f0b DSH |
474 | } |
475 | ||
924ec89a | 476 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 477 | const char *keyfile, int keyform, int key_type, |
9880236e | 478 | char *passinarg, int pkey_op, ENGINE *e, |
ee633ace MC |
479 | const int engine_impl, int rawin, |
480 | EVP_PKEY **ppkey) | |
0f113f3e MC |
481 | { |
482 | EVP_PKEY *pkey = NULL; | |
483 | EVP_PKEY_CTX *ctx = NULL; | |
9880236e | 484 | ENGINE *impl = NULL; |
0f113f3e MC |
485 | char *passin = NULL; |
486 | int rv = -1; | |
487 | X509 *x; | |
488 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) | |
489 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
924ec89a | 490 | && (key_type != KEY_PRIVKEY && kdfalg == NULL)) { |
0f113f3e MC |
491 | BIO_printf(bio_err, "A private key is needed for this operation\n"); |
492 | goto end; | |
493 | } | |
7e1b7485 | 494 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
495 | BIO_printf(bio_err, "Error getting password\n"); |
496 | goto end; | |
497 | } | |
498 | switch (key_type) { | |
499 | case KEY_PRIVKEY: | |
7e1b7485 | 500 | pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); |
0f113f3e MC |
501 | break; |
502 | ||
503 | case KEY_PUBKEY: | |
7e1b7485 | 504 | pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "Public Key"); |
0f113f3e MC |
505 | break; |
506 | ||
507 | case KEY_CERT: | |
a773b52a | 508 | x = load_cert(keyfile, keyform, "Certificate"); |
0f113f3e MC |
509 | if (x) { |
510 | pkey = X509_get_pubkey(x); | |
511 | X509_free(x); | |
512 | } | |
513 | break; | |
514 | ||
924ec89a DSH |
515 | case KEY_NONE: |
516 | break; | |
0f113f3e | 517 | |
924ec89a | 518 | } |
0f113f3e | 519 | |
9880236e M |
520 | #ifndef OPENSSL_NO_ENGINE |
521 | if (engine_impl) | |
522 | impl = e; | |
523 | #endif | |
0f113f3e | 524 | |
2234212c | 525 | if (kdfalg != NULL) { |
924ec89a | 526 | int kdfnid = OBJ_sn2nid(kdfalg); |
b15d5ab6 DSH |
527 | |
528 | if (kdfnid == NID_undef) { | |
529 | kdfnid = OBJ_ln2nid(kdfalg); | |
f6add6ac JB |
530 | if (kdfnid == NID_undef) { |
531 | BIO_printf(bio_err, "The given KDF \"%s\" is unknown.\n", | |
532 | kdfalg); | |
b15d5ab6 | 533 | goto end; |
f6add6ac | 534 | } |
b15d5ab6 | 535 | } |
924ec89a DSH |
536 | ctx = EVP_PKEY_CTX_new_id(kdfnid, impl); |
537 | } else { | |
538 | if (pkey == NULL) | |
539 | goto end; | |
ed86f884 MC |
540 | |
541 | #ifndef OPENSSL_NO_EC | |
a7cef52f PY |
542 | /* SM2 needs a special treatment */ |
543 | if (EVP_PKEY_id(pkey) == EVP_PKEY_EC) { | |
ed86f884 MC |
544 | EC_KEY *eckey = NULL; |
545 | const EC_GROUP *group = NULL; | |
546 | int nid; | |
547 | ||
a7cef52f PY |
548 | if ((eckey = EVP_PKEY_get0_EC_KEY(pkey)) == NULL |
549 | || (group = EC_KEY_get0_group(eckey)) == NULL | |
550 | || (nid = EC_GROUP_get_curve_name(group)) == 0) | |
551 | goto end; | |
552 | if (nid == NID_sm2) | |
553 | EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2); | |
554 | } | |
ed86f884 | 555 | #endif |
924ec89a DSH |
556 | *pkeysize = EVP_PKEY_size(pkey); |
557 | ctx = EVP_PKEY_CTX_new(pkey, impl); | |
a7cef52f PY |
558 | if (ppkey != NULL) |
559 | *ppkey = pkey; | |
924ec89a DSH |
560 | EVP_PKEY_free(pkey); |
561 | } | |
0f113f3e | 562 | |
96487cdd | 563 | if (ctx == NULL) |
0f113f3e MC |
564 | goto end; |
565 | ||
ee633ace MC |
566 | /* |
567 | * If rawin then we don't need to actually initialise the EVP_PKEY_CTX | |
568 | * itself. That will get initialised during EVP_DigestSignInit or | |
569 | * EVP_DigestVerifyInit. | |
570 | */ | |
571 | if (rawin) { | |
572 | rv = 1; | |
573 | } else { | |
574 | switch (pkey_op) { | |
575 | case EVP_PKEY_OP_SIGN: | |
576 | rv = EVP_PKEY_sign_init(ctx); | |
577 | break; | |
0f113f3e | 578 | |
ee633ace MC |
579 | case EVP_PKEY_OP_VERIFY: |
580 | rv = EVP_PKEY_verify_init(ctx); | |
581 | break; | |
0f113f3e | 582 | |
ee633ace MC |
583 | case EVP_PKEY_OP_VERIFYRECOVER: |
584 | rv = EVP_PKEY_verify_recover_init(ctx); | |
585 | break; | |
0f113f3e | 586 | |
ee633ace MC |
587 | case EVP_PKEY_OP_ENCRYPT: |
588 | rv = EVP_PKEY_encrypt_init(ctx); | |
589 | break; | |
0f113f3e | 590 | |
ee633ace MC |
591 | case EVP_PKEY_OP_DECRYPT: |
592 | rv = EVP_PKEY_decrypt_init(ctx); | |
593 | break; | |
0f113f3e | 594 | |
ee633ace MC |
595 | case EVP_PKEY_OP_DERIVE: |
596 | rv = EVP_PKEY_derive_init(ctx); | |
597 | break; | |
598 | } | |
0f113f3e MC |
599 | } |
600 | ||
601 | if (rv <= 0) { | |
602 | EVP_PKEY_CTX_free(ctx); | |
603 | ctx = NULL; | |
604 | } | |
605 | ||
606 | end: | |
b548a1f1 | 607 | OPENSSL_free(passin); |
0f113f3e MC |
608 | return ctx; |
609 | ||
610 | } | |
9e4d0f0b | 611 | |
0c20802c | 612 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
f6add6ac | 613 | ENGINE *e) |
0f113f3e MC |
614 | { |
615 | EVP_PKEY *peer = NULL; | |
f6add6ac | 616 | ENGINE *engine = NULL; |
0f113f3e | 617 | int ret; |
0f113f3e | 618 | |
0c20802c VD |
619 | if (peerform == FORMAT_ENGINE) |
620 | engine = e; | |
621 | peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key"); | |
2234212c | 622 | if (peer == NULL) { |
0f113f3e | 623 | BIO_printf(bio_err, "Error reading peer key %s\n", file); |
7e1b7485 | 624 | ERR_print_errors(bio_err); |
0f113f3e MC |
625 | return 0; |
626 | } | |
627 | ||
628 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
629 | ||
630 | EVP_PKEY_free(peer); | |
631 | if (ret <= 0) | |
7e1b7485 | 632 | ERR_print_errors(bio_err); |
0f113f3e MC |
633 | return ret; |
634 | } | |
b010b7c4 DSH |
635 | |
636 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
0f113f3e | 637 | unsigned char *out, size_t *poutlen, |
cc696296 | 638 | const unsigned char *in, size_t inlen) |
0f113f3e MC |
639 | { |
640 | int rv = 0; | |
641 | switch (pkey_op) { | |
642 | case EVP_PKEY_OP_VERIFYRECOVER: | |
643 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
644 | break; | |
645 | ||
646 | case EVP_PKEY_OP_SIGN: | |
647 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
648 | break; | |
649 | ||
650 | case EVP_PKEY_OP_ENCRYPT: | |
651 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
652 | break; | |
653 | ||
654 | case EVP_PKEY_OP_DECRYPT: | |
655 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
656 | break; | |
657 | ||
658 | case EVP_PKEY_OP_DERIVE: | |
659 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
660 | break; | |
661 | ||
662 | } | |
663 | return rv; | |
664 | } | |
a7cef52f PY |
665 | |
666 | #define TBUF_MAXSIZE 2048 | |
667 | ||
668 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, | |
669 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 670 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
671 | unsigned char **out, size_t *poutlen) |
672 | { | |
673 | int rv = 0; | |
674 | EVP_MD_CTX *mctx = NULL; | |
675 | unsigned char tbuf[TBUF_MAXSIZE]; | |
ee633ace MC |
676 | unsigned char *mbuf = NULL; |
677 | int buf_len = 0; | |
a7cef52f PY |
678 | |
679 | if ((mctx = EVP_MD_CTX_new()) == NULL) { | |
680 | BIO_printf(bio_err, "Error: out of memory\n"); | |
681 | return rv; | |
682 | } | |
683 | EVP_MD_CTX_set_pkey_ctx(mctx, ctx); | |
684 | ||
ee633ace MC |
685 | /* Some algorithms only support oneshot digests */ |
686 | if (EVP_PKEY_id(pkey) == EVP_PKEY_ED25519 | |
687 | || EVP_PKEY_id(pkey) == EVP_PKEY_ED448) { | |
688 | if (filesize < 0) { | |
689 | BIO_printf(bio_err, | |
690 | "Error: unable to determine file size for oneshot operation\n"); | |
df09b6b5 | 691 | goto end; |
ee633ace MC |
692 | } |
693 | mbuf = app_malloc(filesize, "oneshot sign/verify buffer"); | |
694 | switch(pkey_op) { | |
695 | case EVP_PKEY_OP_VERIFY: | |
696 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
697 | goto end; | |
698 | buf_len = BIO_read(in, mbuf, filesize); | |
699 | if (buf_len != filesize) { | |
700 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
701 | goto end; | |
702 | } | |
703 | rv = EVP_DigestVerify(mctx, sig, (size_t)siglen, mbuf, buf_len); | |
704 | break; | |
705 | case EVP_PKEY_OP_SIGN: | |
706 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
707 | goto end; | |
708 | buf_len = BIO_read(in, mbuf, filesize); | |
709 | if (buf_len != filesize) { | |
710 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
711 | goto end; | |
712 | } | |
713 | rv = EVP_DigestSign(mctx, NULL, poutlen, mbuf, buf_len); | |
714 | if (rv == 1 && out != NULL) { | |
715 | *out = app_malloc(*poutlen, "buffer output"); | |
716 | rv = EVP_DigestSign(mctx, *out, poutlen, mbuf, buf_len); | |
717 | } | |
718 | break; | |
719 | } | |
ee633ace MC |
720 | goto end; |
721 | } | |
722 | ||
a7cef52f PY |
723 | switch(pkey_op) { |
724 | case EVP_PKEY_OP_VERIFY: | |
725 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
726 | goto end; | |
727 | for (;;) { | |
ee633ace MC |
728 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
729 | if (buf_len == 0) | |
a7cef52f | 730 | break; |
ee633ace | 731 | if (buf_len < 0) { |
a7cef52f PY |
732 | BIO_printf(bio_err, "Error reading raw input data\n"); |
733 | goto end; | |
734 | } | |
ee633ace | 735 | rv = EVP_DigestVerifyUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
736 | if (rv != 1) { |
737 | BIO_printf(bio_err, "Error verifying raw input data\n"); | |
738 | goto end; | |
739 | } | |
740 | } | |
741 | rv = EVP_DigestVerifyFinal(mctx, sig, (size_t)siglen); | |
742 | break; | |
743 | case EVP_PKEY_OP_SIGN: | |
744 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
745 | goto end; | |
746 | for (;;) { | |
ee633ace MC |
747 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
748 | if (buf_len == 0) | |
a7cef52f | 749 | break; |
ee633ace | 750 | if (buf_len < 0) { |
a7cef52f PY |
751 | BIO_printf(bio_err, "Error reading raw input data\n"); |
752 | goto end; | |
753 | } | |
ee633ace | 754 | rv = EVP_DigestSignUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
755 | if (rv != 1) { |
756 | BIO_printf(bio_err, "Error signing raw input data\n"); | |
757 | goto end; | |
758 | } | |
759 | } | |
760 | rv = EVP_DigestSignFinal(mctx, NULL, poutlen); | |
761 | if (rv == 1 && out != NULL) { | |
762 | *out = app_malloc(*poutlen, "buffer output"); | |
763 | rv = EVP_DigestSignFinal(mctx, *out, poutlen); | |
764 | } | |
765 | break; | |
766 | } | |
767 | ||
768 | end: | |
df09b6b5 | 769 | OPENSSL_free(mbuf); |
a7cef52f PY |
770 | EVP_MD_CTX_free(mctx); |
771 | return rv; | |
772 | } |