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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> | |
ee633ace MC |
16 | #ifndef OPENSSL_NO_POSIX_IO |
17 | # include <sys/stat.h> | |
18 | #endif | |
9e4d0f0b | 19 | |
924ec89a | 20 | #define KEY_NONE 0 |
0f113f3e MC |
21 | #define KEY_PRIVKEY 1 |
22 | #define KEY_PUBKEY 2 | |
23 | #define KEY_CERT 3 | |
9e4d0f0b | 24 | |
924ec89a | 25 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 26 | const char *keyfile, int keyform, int key_type, |
9880236e | 27 | char *passinarg, int pkey_op, ENGINE *e, |
ee633ace | 28 | const int impl, int rawin, EVP_PKEY **ppkey); |
ffb1ac67 | 29 | |
0c20802c VD |
30 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
31 | ENGINE *e); | |
9e4d0f0b | 32 | |
b010b7c4 | 33 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
0f113f3e | 34 | unsigned char *out, size_t *poutlen, |
cc696296 | 35 | const unsigned char *in, size_t inlen); |
b010b7c4 | 36 | |
a7cef52f PY |
37 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, |
38 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 39 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
40 | unsigned char **out, size_t *poutlen); |
41 | ||
7e1b7485 RS |
42 | typedef enum OPTION_choice { |
43 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
9880236e | 44 | OPT_ENGINE, OPT_ENGINE_IMPL, OPT_IN, OPT_OUT, |
7e1b7485 RS |
45 | OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN, |
46 | OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT, | |
47 | OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN, | |
9d1bf5f7 | 48 | OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_PKEYOPT_PASSIN, OPT_KDF, |
a7cef52f PY |
49 | OPT_KDFLEN, OPT_R_ENUM, |
50 | OPT_RAWIN, OPT_DIGEST | |
7e1b7485 RS |
51 | } OPTION_CHOICE; |
52 | ||
44c83ebd | 53 | const OPTIONS pkeyutl_options[] = { |
7e1b7485 | 54 | {"help", OPT_HELP, '-', "Display this summary"}, |
a173a7ee | 55 | {"in", OPT_IN, '<', "Input file - default stdin"}, |
a7cef52f PY |
56 | {"rawin", OPT_RAWIN, '-', "Indicate the input data is in raw form"}, |
57 | {"digest", OPT_DIGEST, 's', | |
58 | "Specify the digest algorithm when signing the raw input data"}, | |
a173a7ee | 59 | {"out", OPT_OUT, '>', "Output file - default stdout"}, |
7e1b7485 RS |
60 | {"pubin", OPT_PUBIN, '-', "Input is a public key"}, |
61 | {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"}, | |
0c20802c | 62 | {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"}, |
7e1b7485 | 63 | {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, |
a173a7ee | 64 | {"sign", OPT_SIGN, '-', "Sign input data with private key"}, |
7e1b7485 RS |
65 | {"verify", OPT_VERIFY, '-', "Verify with public key"}, |
66 | {"verifyrecover", OPT_VERIFYRECOVER, '-', | |
67 | "Verify with public key, recover original data"}, | |
a173a7ee RS |
68 | {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, |
69 | {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"}, | |
70 | {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"}, | |
7e1b7485 | 71 | {"derive", OPT_DERIVE, '-', "Derive shared secret"}, |
924ec89a DSH |
72 | {"kdf", OPT_KDF, 's', "Use KDF algorithm"}, |
73 | {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"}, | |
7e1b7485 | 74 | {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"}, |
a173a7ee | 75 | {"inkey", OPT_INKEY, 's', "Input private key file"}, |
0c20802c | 76 | {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"}, |
16e1b281 | 77 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
0c20802c VD |
78 | {"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"}, |
79 | {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"}, | |
7e1b7485 | 80 | {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"}, |
9d1bf5f7 JB |
81 | {"pkeyopt_passin", OPT_PKEYOPT_PASSIN, 's', |
82 | "Public key option that is read as a passphrase argument opt:passphrase"}, | |
3ee1eac2 | 83 | OPT_R_OPTIONS, |
7e1b7485 RS |
84 | #ifndef OPENSSL_NO_ENGINE |
85 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
a173a7ee RS |
86 | {"engine_impl", OPT_ENGINE_IMPL, '-', |
87 | "Also use engine given by -engine for crypto operations"}, | |
7e1b7485 RS |
88 | #endif |
89 | {NULL} | |
90 | }; | |
9e4d0f0b | 91 | |
7e1b7485 | 92 | int pkeyutl_main(int argc, char **argv) |
9e4d0f0b | 93 | { |
0f113f3e | 94 | BIO *in = NULL, *out = NULL; |
0f113f3e | 95 | ENGINE *e = NULL; |
0f113f3e | 96 | EVP_PKEY_CTX *ctx = NULL; |
a7cef52f | 97 | EVP_PKEY *pkey = NULL; |
7e1b7485 RS |
98 | char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL; |
99 | char hexdump = 0, asn1parse = 0, rev = 0, *prog; | |
0f113f3e | 100 | unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; |
7e1b7485 | 101 | OPTION_CHOICE o; |
f6add6ac | 102 | int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM; |
7e1b7485 | 103 | int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; |
9880236e | 104 | int engine_impl = 0; |
0f113f3e | 105 | int ret = 1, rv = -1; |
7e1b7485 | 106 | size_t buf_outlen; |
0c20802c VD |
107 | const char *inkey = NULL; |
108 | const char *peerkey = NULL; | |
924ec89a DSH |
109 | const char *kdfalg = NULL; |
110 | int kdflen = 0; | |
0c20802c | 111 | STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; |
9d1bf5f7 | 112 | STACK_OF(OPENSSL_STRING) *pkeyopts_passin = NULL; |
a7cef52f PY |
113 | int rawin = 0; |
114 | const EVP_MD *md = NULL; | |
ee633ace | 115 | int filesize = -1; |
0f113f3e | 116 | |
7e1b7485 RS |
117 | prog = opt_init(argc, argv, pkeyutl_options); |
118 | while ((o = opt_next()) != OPT_EOF) { | |
119 | switch (o) { | |
120 | case OPT_EOF: | |
121 | case OPT_ERR: | |
122 | opthelp: | |
123 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
124 | goto end; | |
125 | case OPT_HELP: | |
126 | opt_help(pkeyutl_options); | |
127 | ret = 0; | |
128 | goto end; | |
129 | case OPT_IN: | |
130 | infile = opt_arg(); | |
131 | break; | |
132 | case OPT_OUT: | |
133 | outfile = opt_arg(); | |
134 | break; | |
135 | case OPT_SIGFILE: | |
136 | sigfile = opt_arg(); | |
137 | break; | |
9880236e M |
138 | case OPT_ENGINE_IMPL: |
139 | engine_impl = 1; | |
140 | break; | |
7e1b7485 | 141 | case OPT_INKEY: |
0c20802c | 142 | inkey = opt_arg(); |
7e1b7485 RS |
143 | break; |
144 | case OPT_PEERKEY: | |
0c20802c | 145 | peerkey = opt_arg(); |
7e1b7485 RS |
146 | break; |
147 | case OPT_PASSIN: | |
148 | passinarg = opt_arg(); | |
149 | break; | |
150 | case OPT_PEERFORM: | |
0c20802c | 151 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform)) |
7e1b7485 RS |
152 | goto opthelp; |
153 | break; | |
154 | case OPT_KEYFORM: | |
0c20802c | 155 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform)) |
7e1b7485 RS |
156 | goto opthelp; |
157 | break; | |
3ee1eac2 RS |
158 | case OPT_R_CASES: |
159 | if (!opt_rand(o)) | |
160 | goto end; | |
161 | break; | |
7e1b7485 RS |
162 | case OPT_ENGINE: |
163 | e = setup_engine(opt_arg(), 0); | |
164 | break; | |
7e1b7485 | 165 | case OPT_PUBIN: |
0f113f3e | 166 | key_type = KEY_PUBKEY; |
7e1b7485 RS |
167 | break; |
168 | case OPT_CERTIN: | |
0f113f3e | 169 | key_type = KEY_CERT; |
7e1b7485 RS |
170 | break; |
171 | case OPT_ASN1PARSE: | |
0f113f3e | 172 | asn1parse = 1; |
7e1b7485 RS |
173 | break; |
174 | case OPT_HEXDUMP: | |
0f113f3e | 175 | hexdump = 1; |
7e1b7485 RS |
176 | break; |
177 | case OPT_SIGN: | |
0f113f3e | 178 | pkey_op = EVP_PKEY_OP_SIGN; |
7e1b7485 RS |
179 | break; |
180 | case OPT_VERIFY: | |
0f113f3e | 181 | pkey_op = EVP_PKEY_OP_VERIFY; |
7e1b7485 RS |
182 | break; |
183 | case OPT_VERIFYRECOVER: | |
0f113f3e | 184 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
7e1b7485 | 185 | break; |
7e1b7485 | 186 | case OPT_ENCRYPT: |
0f113f3e | 187 | pkey_op = EVP_PKEY_OP_ENCRYPT; |
7e1b7485 RS |
188 | break; |
189 | case OPT_DECRYPT: | |
0f113f3e | 190 | pkey_op = EVP_PKEY_OP_DECRYPT; |
7e1b7485 RS |
191 | break; |
192 | case OPT_DERIVE: | |
0f113f3e | 193 | pkey_op = EVP_PKEY_OP_DERIVE; |
7e1b7485 | 194 | break; |
924ec89a DSH |
195 | case OPT_KDF: |
196 | pkey_op = EVP_PKEY_OP_DERIVE; | |
197 | key_type = KEY_NONE; | |
198 | kdfalg = opt_arg(); | |
199 | break; | |
200 | case OPT_KDFLEN: | |
201 | kdflen = atoi(opt_arg()); | |
202 | break; | |
0c20802c VD |
203 | case OPT_REV: |
204 | rev = 1; | |
205 | break; | |
7e1b7485 | 206 | case OPT_PKEYOPT: |
0c20802c VD |
207 | if ((pkeyopts == NULL && |
208 | (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || | |
78524149 | 209 | sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { |
0c20802c | 210 | BIO_puts(bio_err, "out of memory\n"); |
0f113f3e MC |
211 | goto end; |
212 | } | |
7e1b7485 | 213 | break; |
9d1bf5f7 JB |
214 | case OPT_PKEYOPT_PASSIN: |
215 | if ((pkeyopts_passin == NULL && | |
216 | (pkeyopts_passin = sk_OPENSSL_STRING_new_null()) == NULL) || | |
217 | sk_OPENSSL_STRING_push(pkeyopts_passin, opt_arg()) == 0) { | |
218 | BIO_puts(bio_err, "out of memory\n"); | |
219 | goto end; | |
220 | } | |
221 | break; | |
a7cef52f PY |
222 | case OPT_RAWIN: |
223 | rawin = 1; | |
224 | break; | |
225 | case OPT_DIGEST: | |
226 | if (!opt_md(opt_arg(), &md)) | |
227 | goto end; | |
228 | break; | |
0f113f3e | 229 | } |
0f113f3e | 230 | } |
7e1b7485 | 231 | argc = opt_num_rest(); |
03358517 KR |
232 | if (argc != 0) |
233 | goto opthelp; | |
0f113f3e | 234 | |
a7cef52f PY |
235 | if (rawin && pkey_op != EVP_PKEY_OP_SIGN && pkey_op != EVP_PKEY_OP_VERIFY) { |
236 | BIO_printf(bio_err, | |
237 | "%s: -rawin can only be used with -sign or -verify\n", | |
238 | prog); | |
239 | goto opthelp; | |
240 | } | |
241 | ||
242 | if (md != NULL && !rawin) { | |
243 | BIO_printf(bio_err, | |
244 | "%s: -digest can only be used with -rawin\n", | |
245 | prog); | |
246 | goto opthelp; | |
247 | } | |
248 | ||
249 | if (rawin && rev) { | |
250 | BIO_printf(bio_err, "%s: -rev cannot be used with raw input\n", | |
251 | prog); | |
252 | goto opthelp; | |
253 | } | |
254 | ||
924ec89a | 255 | if (kdfalg != NULL) { |
f6add6ac JB |
256 | if (kdflen == 0) { |
257 | BIO_printf(bio_err, | |
258 | "%s: no KDF length given (-kdflen parameter).\n", prog); | |
924ec89a | 259 | goto opthelp; |
f6add6ac JB |
260 | } |
261 | } else if (inkey == NULL) { | |
262 | BIO_printf(bio_err, | |
263 | "%s: no private key given (-inkey parameter).\n", prog); | |
264 | goto opthelp; | |
265 | } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) { | |
266 | BIO_printf(bio_err, | |
267 | "%s: no peer key given (-peerkey parameter).\n", prog); | |
7e1b7485 | 268 | goto opthelp; |
924ec89a DSH |
269 | } |
270 | ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, | |
ee633ace | 271 | passinarg, pkey_op, e, engine_impl, rawin, &pkey); |
0c20802c VD |
272 | if (ctx == NULL) { |
273 | BIO_printf(bio_err, "%s: Error initializing context\n", prog); | |
274 | ERR_print_errors(bio_err); | |
275 | goto end; | |
276 | } | |
277 | if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { | |
278 | BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); | |
279 | ERR_print_errors(bio_err); | |
280 | goto end; | |
281 | } | |
282 | if (pkeyopts != NULL) { | |
283 | int num = sk_OPENSSL_STRING_num(pkeyopts); | |
284 | int i; | |
285 | ||
286 | for (i = 0; i < num; ++i) { | |
287 | const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); | |
288 | ||
289 | if (pkey_ctrl_string(ctx, opt) <= 0) { | |
f6add6ac JB |
290 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", |
291 | prog, opt); | |
0c20802c VD |
292 | ERR_print_errors(bio_err); |
293 | goto end; | |
294 | } | |
295 | } | |
296 | } | |
9d1bf5f7 JB |
297 | if (pkeyopts_passin != NULL) { |
298 | int num = sk_OPENSSL_STRING_num(pkeyopts_passin); | |
299 | int i; | |
300 | ||
301 | for (i = 0; i < num; i++) { | |
302 | char *opt = sk_OPENSSL_STRING_value(pkeyopts_passin, i); | |
303 | char *passin = strchr(opt, ':'); | |
304 | char *passwd; | |
305 | ||
306 | if (passin == NULL) { | |
307 | /* Get password interactively */ | |
308 | char passwd_buf[4096]; | |
309 | BIO_snprintf(passwd_buf, sizeof(passwd_buf), "Enter %s: ", opt); | |
310 | EVP_read_pw_string(passwd_buf, sizeof(passwd_buf) - 1, | |
311 | passwd_buf, 0); | |
312 | passwd = OPENSSL_strdup(passwd_buf); | |
313 | if (passwd == NULL) { | |
314 | BIO_puts(bio_err, "out of memory\n"); | |
315 | goto end; | |
316 | } | |
317 | } else { | |
318 | /* Get password as a passin argument: First split option name | |
319 | * and passphrase argument into two strings */ | |
320 | *passin = 0; | |
321 | passin++; | |
322 | if (app_passwd(passin, NULL, &passwd, NULL) == 0) { | |
323 | BIO_printf(bio_err, "failed to get '%s'\n", opt); | |
324 | goto end; | |
325 | } | |
326 | } | |
327 | ||
328 | if (EVP_PKEY_CTX_ctrl_str(ctx, opt, passwd) <= 0) { | |
329 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", | |
330 | prog, opt); | |
331 | goto end; | |
332 | } | |
333 | OPENSSL_free(passwd); | |
334 | } | |
335 | } | |
0c20802c | 336 | |
2234212c | 337 | if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
338 | BIO_printf(bio_err, |
339 | "%s: Signature file specified for non verify\n", prog); | |
0f113f3e MC |
340 | goto end; |
341 | } | |
342 | ||
2234212c | 343 | if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
344 | BIO_printf(bio_err, |
345 | "%s: No signature file specified for verify\n", prog); | |
0f113f3e MC |
346 | goto end; |
347 | } | |
a9164153 | 348 | |
0f113f3e | 349 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
bdd58d98 | 350 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
ee633ace MC |
351 | #ifndef OPENSSL_NO_POSIX_IO |
352 | if (infile != NULL) | |
353 | { | |
354 | struct stat st; | |
355 | ||
356 | if (stat(infile, &st) == 0 && st.st_size <= INT_MAX) | |
357 | filesize = (int)st.st_size; | |
358 | } | |
359 | #endif | |
7e1b7485 | 360 | if (in == NULL) |
0f113f3e | 361 | goto end; |
0f113f3e | 362 | } |
bdd58d98 | 363 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
364 | if (out == NULL) |
365 | goto end; | |
0f113f3e | 366 | |
2234212c | 367 | if (sigfile != NULL) { |
0f113f3e | 368 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c PY |
369 | |
370 | if (sigbio == NULL) { | |
0f113f3e MC |
371 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); |
372 | goto end; | |
373 | } | |
374 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
375 | BIO_free(sigbio); | |
0c20802c | 376 | if (siglen < 0) { |
0f113f3e MC |
377 | BIO_printf(bio_err, "Error reading signature data\n"); |
378 | goto end; | |
379 | } | |
380 | } | |
381 | ||
a7cef52f PY |
382 | /* Raw input data is handled elsewhere */ |
383 | if (in != NULL && !rawin) { | |
0f113f3e MC |
384 | /* Read the input data */ |
385 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
0c20802c | 386 | if (buf_inlen < 0) { |
0f113f3e | 387 | BIO_printf(bio_err, "Error reading input Data\n"); |
a0abb6a1 | 388 | goto end; |
0f113f3e MC |
389 | } |
390 | if (rev) { | |
391 | size_t i; | |
392 | unsigned char ctmp; | |
393 | size_t l = (size_t)buf_inlen; | |
394 | for (i = 0; i < l / 2; i++) { | |
395 | ctmp = buf_in[i]; | |
396 | buf_in[i] = buf_in[l - 1 - i]; | |
397 | buf_in[l - 1 - i] = ctmp; | |
398 | } | |
399 | } | |
400 | } | |
401 | ||
a7cef52f PY |
402 | /* Sanity check the input if the input is not raw */ |
403 | if (!rawin | |
404 | && buf_inlen > EVP_MAX_MD_SIZE | |
a0abb6a1 MC |
405 | && (pkey_op == EVP_PKEY_OP_SIGN |
406 | || pkey_op == EVP_PKEY_OP_VERIFY | |
407 | || pkey_op == EVP_PKEY_OP_VERIFYRECOVER)) { | |
408 | BIO_printf(bio_err, | |
409 | "Error: The input data looks too long to be a hash\n"); | |
410 | goto end; | |
411 | } | |
412 | ||
0f113f3e | 413 | if (pkey_op == EVP_PKEY_OP_VERIFY) { |
a7cef52f | 414 | if (rawin) { |
ee633ace | 415 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, sig, siglen, |
a7cef52f PY |
416 | NULL, 0); |
417 | } else { | |
418 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
419 | buf_in, (size_t)buf_inlen); | |
420 | } | |
7e1b7485 | 421 | if (rv == 1) { |
0f113f3e | 422 | BIO_puts(out, "Signature Verified Successfully\n"); |
7e1b7485 | 423 | ret = 0; |
2234212c | 424 | } else { |
7e1b7485 | 425 | BIO_puts(out, "Signature Verification Failure\n"); |
2234212c | 426 | } |
7e1b7485 RS |
427 | goto end; |
428 | } | |
924ec89a DSH |
429 | if (kdflen != 0) { |
430 | buf_outlen = kdflen; | |
431 | rv = 1; | |
432 | } else { | |
a7cef52f PY |
433 | if (rawin) { |
434 | /* rawin allocates the buffer in do_raw_keyop() */ | |
ee633ace | 435 | rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, filesize, NULL, 0, |
a7cef52f PY |
436 | &buf_out, (size_t *)&buf_outlen); |
437 | } else { | |
438 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
439 | buf_in, (size_t)buf_inlen); | |
440 | if (rv > 0 && buf_outlen != 0) { | |
441 | buf_out = app_malloc(buf_outlen, "buffer output"); | |
442 | rv = do_keyop(ctx, pkey_op, | |
443 | buf_out, (size_t *)&buf_outlen, | |
444 | buf_in, (size_t)buf_inlen); | |
445 | } | |
446 | } | |
0f113f3e | 447 | } |
78524149 | 448 | if (rv <= 0) { |
f6add6ac JB |
449 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
450 | BIO_puts(bio_err, "Public Key operation error\n"); | |
451 | } else { | |
452 | BIO_puts(bio_err, "Key derivation failed\n"); | |
453 | } | |
0f113f3e MC |
454 | ERR_print_errors(bio_err); |
455 | goto end; | |
456 | } | |
457 | ret = 0; | |
7e1b7485 | 458 | |
0f113f3e MC |
459 | if (asn1parse) { |
460 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
461 | ERR_print_errors(bio_err); | |
2234212c | 462 | } else if (hexdump) { |
0f113f3e | 463 | BIO_dump(out, (char *)buf_out, buf_outlen); |
2234212c | 464 | } else { |
0f113f3e | 465 | BIO_write(out, buf_out, buf_outlen); |
2234212c | 466 | } |
0f113f3e MC |
467 | |
468 | end: | |
c5ba2d99 | 469 | EVP_PKEY_CTX_free(ctx); |
dd1abd44 | 470 | release_engine(e); |
0f113f3e MC |
471 | BIO_free(in); |
472 | BIO_free_all(out); | |
b548a1f1 RS |
473 | OPENSSL_free(buf_in); |
474 | OPENSSL_free(buf_out); | |
475 | OPENSSL_free(sig); | |
0c20802c | 476 | sk_OPENSSL_STRING_free(pkeyopts); |
9d1bf5f7 | 477 | sk_OPENSSL_STRING_free(pkeyopts_passin); |
0f113f3e | 478 | return ret; |
9e4d0f0b DSH |
479 | } |
480 | ||
924ec89a | 481 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 482 | const char *keyfile, int keyform, int key_type, |
9880236e | 483 | char *passinarg, int pkey_op, ENGINE *e, |
ee633ace MC |
484 | const int engine_impl, int rawin, |
485 | EVP_PKEY **ppkey) | |
0f113f3e MC |
486 | { |
487 | EVP_PKEY *pkey = NULL; | |
488 | EVP_PKEY_CTX *ctx = NULL; | |
9880236e | 489 | ENGINE *impl = NULL; |
0f113f3e MC |
490 | char *passin = NULL; |
491 | int rv = -1; | |
492 | X509 *x; | |
493 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) | |
494 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
924ec89a | 495 | && (key_type != KEY_PRIVKEY && kdfalg == NULL)) { |
0f113f3e MC |
496 | BIO_printf(bio_err, "A private key is needed for this operation\n"); |
497 | goto end; | |
498 | } | |
7e1b7485 | 499 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
500 | BIO_printf(bio_err, "Error getting password\n"); |
501 | goto end; | |
502 | } | |
503 | switch (key_type) { | |
504 | case KEY_PRIVKEY: | |
7e1b7485 | 505 | pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); |
0f113f3e MC |
506 | break; |
507 | ||
508 | case KEY_PUBKEY: | |
7e1b7485 | 509 | pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "Public Key"); |
0f113f3e MC |
510 | break; |
511 | ||
512 | case KEY_CERT: | |
a773b52a | 513 | x = load_cert(keyfile, keyform, "Certificate"); |
0f113f3e MC |
514 | if (x) { |
515 | pkey = X509_get_pubkey(x); | |
516 | X509_free(x); | |
517 | } | |
518 | break; | |
519 | ||
924ec89a DSH |
520 | case KEY_NONE: |
521 | break; | |
0f113f3e | 522 | |
924ec89a | 523 | } |
0f113f3e | 524 | |
9880236e M |
525 | #ifndef OPENSSL_NO_ENGINE |
526 | if (engine_impl) | |
527 | impl = e; | |
528 | #endif | |
0f113f3e | 529 | |
2234212c | 530 | if (kdfalg != NULL) { |
924ec89a | 531 | int kdfnid = OBJ_sn2nid(kdfalg); |
b15d5ab6 DSH |
532 | |
533 | if (kdfnid == NID_undef) { | |
534 | kdfnid = OBJ_ln2nid(kdfalg); | |
f6add6ac JB |
535 | if (kdfnid == NID_undef) { |
536 | BIO_printf(bio_err, "The given KDF \"%s\" is unknown.\n", | |
537 | kdfalg); | |
b15d5ab6 | 538 | goto end; |
f6add6ac | 539 | } |
b15d5ab6 | 540 | } |
924ec89a DSH |
541 | ctx = EVP_PKEY_CTX_new_id(kdfnid, impl); |
542 | } else { | |
543 | if (pkey == NULL) | |
544 | goto end; | |
ed86f884 MC |
545 | |
546 | #ifndef OPENSSL_NO_EC | |
a7cef52f PY |
547 | /* SM2 needs a special treatment */ |
548 | if (EVP_PKEY_id(pkey) == EVP_PKEY_EC) { | |
ed86f884 MC |
549 | EC_KEY *eckey = NULL; |
550 | const EC_GROUP *group = NULL; | |
551 | int nid; | |
552 | ||
a7cef52f PY |
553 | if ((eckey = EVP_PKEY_get0_EC_KEY(pkey)) == NULL |
554 | || (group = EC_KEY_get0_group(eckey)) == NULL | |
555 | || (nid = EC_GROUP_get_curve_name(group)) == 0) | |
556 | goto end; | |
557 | if (nid == NID_sm2) | |
558 | EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2); | |
559 | } | |
ed86f884 | 560 | #endif |
924ec89a DSH |
561 | *pkeysize = EVP_PKEY_size(pkey); |
562 | ctx = EVP_PKEY_CTX_new(pkey, impl); | |
a7cef52f PY |
563 | if (ppkey != NULL) |
564 | *ppkey = pkey; | |
924ec89a DSH |
565 | EVP_PKEY_free(pkey); |
566 | } | |
0f113f3e | 567 | |
96487cdd | 568 | if (ctx == NULL) |
0f113f3e MC |
569 | goto end; |
570 | ||
ee633ace MC |
571 | /* |
572 | * If rawin then we don't need to actually initialise the EVP_PKEY_CTX | |
573 | * itself. That will get initialised during EVP_DigestSignInit or | |
574 | * EVP_DigestVerifyInit. | |
575 | */ | |
576 | if (rawin) { | |
577 | rv = 1; | |
578 | } else { | |
579 | switch (pkey_op) { | |
580 | case EVP_PKEY_OP_SIGN: | |
581 | rv = EVP_PKEY_sign_init(ctx); | |
582 | break; | |
0f113f3e | 583 | |
ee633ace MC |
584 | case EVP_PKEY_OP_VERIFY: |
585 | rv = EVP_PKEY_verify_init(ctx); | |
586 | break; | |
0f113f3e | 587 | |
ee633ace MC |
588 | case EVP_PKEY_OP_VERIFYRECOVER: |
589 | rv = EVP_PKEY_verify_recover_init(ctx); | |
590 | break; | |
0f113f3e | 591 | |
ee633ace MC |
592 | case EVP_PKEY_OP_ENCRYPT: |
593 | rv = EVP_PKEY_encrypt_init(ctx); | |
594 | break; | |
0f113f3e | 595 | |
ee633ace MC |
596 | case EVP_PKEY_OP_DECRYPT: |
597 | rv = EVP_PKEY_decrypt_init(ctx); | |
598 | break; | |
0f113f3e | 599 | |
ee633ace MC |
600 | case EVP_PKEY_OP_DERIVE: |
601 | rv = EVP_PKEY_derive_init(ctx); | |
602 | break; | |
603 | } | |
0f113f3e MC |
604 | } |
605 | ||
606 | if (rv <= 0) { | |
607 | EVP_PKEY_CTX_free(ctx); | |
608 | ctx = NULL; | |
609 | } | |
610 | ||
611 | end: | |
b548a1f1 | 612 | OPENSSL_free(passin); |
0f113f3e MC |
613 | return ctx; |
614 | ||
615 | } | |
9e4d0f0b | 616 | |
0c20802c | 617 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
f6add6ac | 618 | ENGINE *e) |
0f113f3e MC |
619 | { |
620 | EVP_PKEY *peer = NULL; | |
f6add6ac | 621 | ENGINE *engine = NULL; |
0f113f3e | 622 | int ret; |
0f113f3e | 623 | |
0c20802c VD |
624 | if (peerform == FORMAT_ENGINE) |
625 | engine = e; | |
626 | peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key"); | |
2234212c | 627 | if (peer == NULL) { |
0f113f3e | 628 | BIO_printf(bio_err, "Error reading peer key %s\n", file); |
7e1b7485 | 629 | ERR_print_errors(bio_err); |
0f113f3e MC |
630 | return 0; |
631 | } | |
632 | ||
633 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
634 | ||
635 | EVP_PKEY_free(peer); | |
636 | if (ret <= 0) | |
7e1b7485 | 637 | ERR_print_errors(bio_err); |
0f113f3e MC |
638 | return ret; |
639 | } | |
b010b7c4 DSH |
640 | |
641 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
0f113f3e | 642 | unsigned char *out, size_t *poutlen, |
cc696296 | 643 | const unsigned char *in, size_t inlen) |
0f113f3e MC |
644 | { |
645 | int rv = 0; | |
646 | switch (pkey_op) { | |
647 | case EVP_PKEY_OP_VERIFYRECOVER: | |
648 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
649 | break; | |
650 | ||
651 | case EVP_PKEY_OP_SIGN: | |
652 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
653 | break; | |
654 | ||
655 | case EVP_PKEY_OP_ENCRYPT: | |
656 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
657 | break; | |
658 | ||
659 | case EVP_PKEY_OP_DECRYPT: | |
660 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
661 | break; | |
662 | ||
663 | case EVP_PKEY_OP_DERIVE: | |
664 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
665 | break; | |
666 | ||
667 | } | |
668 | return rv; | |
669 | } | |
a7cef52f PY |
670 | |
671 | #define TBUF_MAXSIZE 2048 | |
672 | ||
673 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx, | |
674 | const EVP_MD *md, EVP_PKEY *pkey, BIO *in, | |
ee633ace | 675 | int filesize, unsigned char *sig, int siglen, |
a7cef52f PY |
676 | unsigned char **out, size_t *poutlen) |
677 | { | |
678 | int rv = 0; | |
679 | EVP_MD_CTX *mctx = NULL; | |
680 | unsigned char tbuf[TBUF_MAXSIZE]; | |
ee633ace MC |
681 | unsigned char *mbuf = NULL; |
682 | int buf_len = 0; | |
a7cef52f PY |
683 | |
684 | if ((mctx = EVP_MD_CTX_new()) == NULL) { | |
685 | BIO_printf(bio_err, "Error: out of memory\n"); | |
686 | return rv; | |
687 | } | |
688 | EVP_MD_CTX_set_pkey_ctx(mctx, ctx); | |
689 | ||
ee633ace MC |
690 | /* Some algorithms only support oneshot digests */ |
691 | if (EVP_PKEY_id(pkey) == EVP_PKEY_ED25519 | |
692 | || EVP_PKEY_id(pkey) == EVP_PKEY_ED448) { | |
693 | if (filesize < 0) { | |
694 | BIO_printf(bio_err, | |
695 | "Error: unable to determine file size for oneshot operation\n"); | |
696 | return rv; | |
697 | } | |
698 | mbuf = app_malloc(filesize, "oneshot sign/verify buffer"); | |
699 | switch(pkey_op) { | |
700 | case EVP_PKEY_OP_VERIFY: | |
701 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
702 | goto end; | |
703 | buf_len = BIO_read(in, mbuf, filesize); | |
704 | if (buf_len != filesize) { | |
705 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
706 | goto end; | |
707 | } | |
708 | rv = EVP_DigestVerify(mctx, sig, (size_t)siglen, mbuf, buf_len); | |
709 | break; | |
710 | case EVP_PKEY_OP_SIGN: | |
711 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
712 | goto end; | |
713 | buf_len = BIO_read(in, mbuf, filesize); | |
714 | if (buf_len != filesize) { | |
715 | BIO_printf(bio_err, "Error reading raw input data\n"); | |
716 | goto end; | |
717 | } | |
718 | rv = EVP_DigestSign(mctx, NULL, poutlen, mbuf, buf_len); | |
719 | if (rv == 1 && out != NULL) { | |
720 | *out = app_malloc(*poutlen, "buffer output"); | |
721 | rv = EVP_DigestSign(mctx, *out, poutlen, mbuf, buf_len); | |
722 | } | |
723 | break; | |
724 | } | |
725 | OPENSSL_free(mbuf); | |
726 | goto end; | |
727 | } | |
728 | ||
a7cef52f PY |
729 | switch(pkey_op) { |
730 | case EVP_PKEY_OP_VERIFY: | |
731 | if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1) | |
732 | goto end; | |
733 | for (;;) { | |
ee633ace MC |
734 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
735 | if (buf_len == 0) | |
a7cef52f | 736 | break; |
ee633ace | 737 | if (buf_len < 0) { |
a7cef52f PY |
738 | BIO_printf(bio_err, "Error reading raw input data\n"); |
739 | goto end; | |
740 | } | |
ee633ace | 741 | rv = EVP_DigestVerifyUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
742 | if (rv != 1) { |
743 | BIO_printf(bio_err, "Error verifying raw input data\n"); | |
744 | goto end; | |
745 | } | |
746 | } | |
747 | rv = EVP_DigestVerifyFinal(mctx, sig, (size_t)siglen); | |
748 | break; | |
749 | case EVP_PKEY_OP_SIGN: | |
750 | if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1) | |
751 | goto end; | |
752 | for (;;) { | |
ee633ace MC |
753 | buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE); |
754 | if (buf_len == 0) | |
a7cef52f | 755 | break; |
ee633ace | 756 | if (buf_len < 0) { |
a7cef52f PY |
757 | BIO_printf(bio_err, "Error reading raw input data\n"); |
758 | goto end; | |
759 | } | |
ee633ace | 760 | rv = EVP_DigestSignUpdate(mctx, tbuf, (size_t)buf_len); |
a7cef52f PY |
761 | if (rv != 1) { |
762 | BIO_printf(bio_err, "Error signing raw input data\n"); | |
763 | goto end; | |
764 | } | |
765 | } | |
766 | rv = EVP_DigestSignFinal(mctx, NULL, poutlen); | |
767 | if (rv == 1 && out != NULL) { | |
768 | *out = app_malloc(*poutlen, "buffer output"); | |
769 | rv = EVP_DigestSignFinal(mctx, *out, poutlen); | |
770 | } | |
771 | break; | |
772 | } | |
773 | ||
774 | end: | |
775 | EVP_MD_CTX_free(mctx); | |
776 | return rv; | |
777 | } |