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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 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
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> | |
16 | ||
924ec89a | 17 | #define KEY_NONE 0 |
0f113f3e MC |
18 | #define KEY_PRIVKEY 1 |
19 | #define KEY_PUBKEY 2 | |
20 | #define KEY_CERT 3 | |
9e4d0f0b | 21 | |
924ec89a | 22 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 23 | const char *keyfile, int keyform, int key_type, |
9880236e M |
24 | char *passinarg, int pkey_op, ENGINE *e, |
25 | const int impl); | |
ffb1ac67 | 26 | |
0c20802c VD |
27 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
28 | ENGINE *e); | |
9e4d0f0b | 29 | |
b010b7c4 | 30 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
0f113f3e | 31 | unsigned char *out, size_t *poutlen, |
cc696296 | 32 | const unsigned char *in, size_t inlen); |
b010b7c4 | 33 | |
7e1b7485 RS |
34 | typedef enum OPTION_choice { |
35 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
9880236e | 36 | OPT_ENGINE, OPT_ENGINE_IMPL, OPT_IN, OPT_OUT, |
7e1b7485 RS |
37 | OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN, |
38 | OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT, | |
39 | OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN, | |
3ee1eac2 RS |
40 | OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_KDF, OPT_KDFLEN, |
41 | OPT_R_ENUM | |
7e1b7485 RS |
42 | } OPTION_CHOICE; |
43 | ||
44c83ebd | 44 | const OPTIONS pkeyutl_options[] = { |
7e1b7485 | 45 | {"help", OPT_HELP, '-', "Display this summary"}, |
a173a7ee RS |
46 | {"in", OPT_IN, '<', "Input file - default stdin"}, |
47 | {"out", OPT_OUT, '>', "Output file - default stdout"}, | |
7e1b7485 RS |
48 | {"pubin", OPT_PUBIN, '-', "Input is a public key"}, |
49 | {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"}, | |
0c20802c | 50 | {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"}, |
7e1b7485 | 51 | {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, |
a173a7ee | 52 | {"sign", OPT_SIGN, '-', "Sign input data with private key"}, |
7e1b7485 RS |
53 | {"verify", OPT_VERIFY, '-', "Verify with public key"}, |
54 | {"verifyrecover", OPT_VERIFYRECOVER, '-', | |
55 | "Verify with public key, recover original data"}, | |
a173a7ee RS |
56 | {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, |
57 | {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"}, | |
58 | {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"}, | |
7e1b7485 | 59 | {"derive", OPT_DERIVE, '-', "Derive shared secret"}, |
924ec89a DSH |
60 | {"kdf", OPT_KDF, 's', "Use KDF algorithm"}, |
61 | {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"}, | |
7e1b7485 | 62 | {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"}, |
a173a7ee | 63 | {"inkey", OPT_INKEY, 's', "Input private key file"}, |
0c20802c | 64 | {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"}, |
16e1b281 | 65 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
0c20802c VD |
66 | {"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"}, |
67 | {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"}, | |
7e1b7485 | 68 | {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"}, |
3ee1eac2 | 69 | OPT_R_OPTIONS, |
7e1b7485 RS |
70 | #ifndef OPENSSL_NO_ENGINE |
71 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
a173a7ee RS |
72 | {"engine_impl", OPT_ENGINE_IMPL, '-', |
73 | "Also use engine given by -engine for crypto operations"}, | |
7e1b7485 RS |
74 | #endif |
75 | {NULL} | |
76 | }; | |
9e4d0f0b | 77 | |
7e1b7485 | 78 | int pkeyutl_main(int argc, char **argv) |
9e4d0f0b | 79 | { |
0f113f3e | 80 | BIO *in = NULL, *out = NULL; |
0f113f3e | 81 | ENGINE *e = NULL; |
0f113f3e | 82 | EVP_PKEY_CTX *ctx = NULL; |
7e1b7485 RS |
83 | char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL; |
84 | char hexdump = 0, asn1parse = 0, rev = 0, *prog; | |
0f113f3e | 85 | unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; |
7e1b7485 | 86 | OPTION_CHOICE o; |
f6add6ac | 87 | int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM; |
7e1b7485 | 88 | int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; |
9880236e | 89 | int engine_impl = 0; |
0f113f3e | 90 | int ret = 1, rv = -1; |
7e1b7485 | 91 | size_t buf_outlen; |
0c20802c VD |
92 | const char *inkey = NULL; |
93 | const char *peerkey = NULL; | |
924ec89a DSH |
94 | const char *kdfalg = NULL; |
95 | int kdflen = 0; | |
0c20802c | 96 | STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; |
0f113f3e | 97 | |
7e1b7485 RS |
98 | prog = opt_init(argc, argv, pkeyutl_options); |
99 | while ((o = opt_next()) != OPT_EOF) { | |
100 | switch (o) { | |
101 | case OPT_EOF: | |
102 | case OPT_ERR: | |
103 | opthelp: | |
104 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
105 | goto end; | |
106 | case OPT_HELP: | |
107 | opt_help(pkeyutl_options); | |
108 | ret = 0; | |
109 | goto end; | |
110 | case OPT_IN: | |
111 | infile = opt_arg(); | |
112 | break; | |
113 | case OPT_OUT: | |
114 | outfile = opt_arg(); | |
115 | break; | |
116 | case OPT_SIGFILE: | |
117 | sigfile = opt_arg(); | |
118 | break; | |
9880236e M |
119 | case OPT_ENGINE_IMPL: |
120 | engine_impl = 1; | |
121 | break; | |
7e1b7485 | 122 | case OPT_INKEY: |
0c20802c | 123 | inkey = opt_arg(); |
7e1b7485 RS |
124 | break; |
125 | case OPT_PEERKEY: | |
0c20802c | 126 | peerkey = opt_arg(); |
7e1b7485 RS |
127 | break; |
128 | case OPT_PASSIN: | |
129 | passinarg = opt_arg(); | |
130 | break; | |
131 | case OPT_PEERFORM: | |
0c20802c | 132 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform)) |
7e1b7485 RS |
133 | goto opthelp; |
134 | break; | |
135 | case OPT_KEYFORM: | |
0c20802c | 136 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform)) |
7e1b7485 RS |
137 | goto opthelp; |
138 | break; | |
3ee1eac2 RS |
139 | case OPT_R_CASES: |
140 | if (!opt_rand(o)) | |
141 | goto end; | |
142 | break; | |
7e1b7485 RS |
143 | case OPT_ENGINE: |
144 | e = setup_engine(opt_arg(), 0); | |
145 | break; | |
7e1b7485 | 146 | case OPT_PUBIN: |
0f113f3e | 147 | key_type = KEY_PUBKEY; |
7e1b7485 RS |
148 | break; |
149 | case OPT_CERTIN: | |
0f113f3e | 150 | key_type = KEY_CERT; |
7e1b7485 RS |
151 | break; |
152 | case OPT_ASN1PARSE: | |
0f113f3e | 153 | asn1parse = 1; |
7e1b7485 RS |
154 | break; |
155 | case OPT_HEXDUMP: | |
0f113f3e | 156 | hexdump = 1; |
7e1b7485 RS |
157 | break; |
158 | case OPT_SIGN: | |
0f113f3e | 159 | pkey_op = EVP_PKEY_OP_SIGN; |
7e1b7485 RS |
160 | break; |
161 | case OPT_VERIFY: | |
0f113f3e | 162 | pkey_op = EVP_PKEY_OP_VERIFY; |
7e1b7485 RS |
163 | break; |
164 | case OPT_VERIFYRECOVER: | |
0f113f3e | 165 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
7e1b7485 | 166 | break; |
7e1b7485 | 167 | case OPT_ENCRYPT: |
0f113f3e | 168 | pkey_op = EVP_PKEY_OP_ENCRYPT; |
7e1b7485 RS |
169 | break; |
170 | case OPT_DECRYPT: | |
0f113f3e | 171 | pkey_op = EVP_PKEY_OP_DECRYPT; |
7e1b7485 RS |
172 | break; |
173 | case OPT_DERIVE: | |
0f113f3e | 174 | pkey_op = EVP_PKEY_OP_DERIVE; |
7e1b7485 | 175 | break; |
924ec89a DSH |
176 | case OPT_KDF: |
177 | pkey_op = EVP_PKEY_OP_DERIVE; | |
178 | key_type = KEY_NONE; | |
179 | kdfalg = opt_arg(); | |
180 | break; | |
181 | case OPT_KDFLEN: | |
182 | kdflen = atoi(opt_arg()); | |
183 | break; | |
0c20802c VD |
184 | case OPT_REV: |
185 | rev = 1; | |
186 | break; | |
7e1b7485 | 187 | case OPT_PKEYOPT: |
0c20802c VD |
188 | if ((pkeyopts == NULL && |
189 | (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || | |
78524149 | 190 | sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { |
0c20802c | 191 | BIO_puts(bio_err, "out of memory\n"); |
0f113f3e MC |
192 | goto end; |
193 | } | |
7e1b7485 | 194 | break; |
0f113f3e | 195 | } |
0f113f3e | 196 | } |
7e1b7485 | 197 | argc = opt_num_rest(); |
03358517 KR |
198 | if (argc != 0) |
199 | goto opthelp; | |
0f113f3e | 200 | |
924ec89a | 201 | if (kdfalg != NULL) { |
f6add6ac JB |
202 | if (kdflen == 0) { |
203 | BIO_printf(bio_err, | |
204 | "%s: no KDF length given (-kdflen parameter).\n", prog); | |
924ec89a | 205 | goto opthelp; |
f6add6ac JB |
206 | } |
207 | } else if (inkey == NULL) { | |
208 | BIO_printf(bio_err, | |
209 | "%s: no private key given (-inkey parameter).\n", prog); | |
210 | goto opthelp; | |
211 | } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) { | |
212 | BIO_printf(bio_err, | |
213 | "%s: no peer key given (-peerkey parameter).\n", prog); | |
7e1b7485 | 214 | goto opthelp; |
924ec89a DSH |
215 | } |
216 | ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, | |
9880236e | 217 | passinarg, pkey_op, e, engine_impl); |
0c20802c VD |
218 | if (ctx == NULL) { |
219 | BIO_printf(bio_err, "%s: Error initializing context\n", prog); | |
220 | ERR_print_errors(bio_err); | |
221 | goto end; | |
222 | } | |
223 | if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { | |
224 | BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); | |
225 | ERR_print_errors(bio_err); | |
226 | goto end; | |
227 | } | |
228 | if (pkeyopts != NULL) { | |
229 | int num = sk_OPENSSL_STRING_num(pkeyopts); | |
230 | int i; | |
231 | ||
232 | for (i = 0; i < num; ++i) { | |
233 | const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); | |
234 | ||
235 | if (pkey_ctrl_string(ctx, opt) <= 0) { | |
f6add6ac JB |
236 | BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", |
237 | prog, opt); | |
0c20802c VD |
238 | ERR_print_errors(bio_err); |
239 | goto end; | |
240 | } | |
241 | } | |
242 | } | |
243 | ||
2234212c | 244 | if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
245 | BIO_printf(bio_err, |
246 | "%s: Signature file specified for non verify\n", prog); | |
0f113f3e MC |
247 | goto end; |
248 | } | |
249 | ||
2234212c | 250 | if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
251 | BIO_printf(bio_err, |
252 | "%s: No signature file specified for verify\n", prog); | |
0f113f3e MC |
253 | goto end; |
254 | } | |
a9164153 | 255 | |
0f113f3e | 256 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
bdd58d98 | 257 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
7e1b7485 | 258 | if (in == NULL) |
0f113f3e | 259 | goto end; |
0f113f3e | 260 | } |
bdd58d98 | 261 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
262 | if (out == NULL) |
263 | goto end; | |
0f113f3e | 264 | |
2234212c | 265 | if (sigfile != NULL) { |
0f113f3e | 266 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c PY |
267 | |
268 | if (sigbio == NULL) { | |
0f113f3e MC |
269 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); |
270 | goto end; | |
271 | } | |
272 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
273 | BIO_free(sigbio); | |
0c20802c | 274 | if (siglen < 0) { |
0f113f3e MC |
275 | BIO_printf(bio_err, "Error reading signature data\n"); |
276 | goto end; | |
277 | } | |
278 | } | |
279 | ||
2234212c | 280 | if (in != NULL) { |
0f113f3e MC |
281 | /* Read the input data */ |
282 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
0c20802c | 283 | if (buf_inlen < 0) { |
0f113f3e | 284 | BIO_printf(bio_err, "Error reading input Data\n"); |
a0abb6a1 | 285 | goto end; |
0f113f3e MC |
286 | } |
287 | if (rev) { | |
288 | size_t i; | |
289 | unsigned char ctmp; | |
290 | size_t l = (size_t)buf_inlen; | |
291 | for (i = 0; i < l / 2; i++) { | |
292 | ctmp = buf_in[i]; | |
293 | buf_in[i] = buf_in[l - 1 - i]; | |
294 | buf_in[l - 1 - i] = ctmp; | |
295 | } | |
296 | } | |
297 | } | |
298 | ||
a0abb6a1 MC |
299 | /* Sanity check the input */ |
300 | if (buf_inlen > EVP_MAX_MD_SIZE | |
301 | && (pkey_op == EVP_PKEY_OP_SIGN | |
302 | || pkey_op == EVP_PKEY_OP_VERIFY | |
303 | || pkey_op == EVP_PKEY_OP_VERIFYRECOVER)) { | |
304 | BIO_printf(bio_err, | |
305 | "Error: The input data looks too long to be a hash\n"); | |
306 | goto end; | |
307 | } | |
308 | ||
0f113f3e MC |
309 | if (pkey_op == EVP_PKEY_OP_VERIFY) { |
310 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
311 | buf_in, (size_t)buf_inlen); | |
7e1b7485 | 312 | if (rv == 1) { |
0f113f3e | 313 | BIO_puts(out, "Signature Verified Successfully\n"); |
7e1b7485 | 314 | ret = 0; |
2234212c | 315 | } else { |
7e1b7485 | 316 | BIO_puts(out, "Signature Verification Failure\n"); |
2234212c | 317 | } |
7e1b7485 RS |
318 | goto end; |
319 | } | |
924ec89a DSH |
320 | if (kdflen != 0) { |
321 | buf_outlen = kdflen; | |
322 | rv = 1; | |
323 | } else { | |
324 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
325 | buf_in, (size_t)buf_inlen); | |
326 | } | |
0c20802c | 327 | if (rv > 0 && buf_outlen != 0) { |
68dc6824 RS |
328 | buf_out = app_malloc(buf_outlen, "buffer output"); |
329 | rv = do_keyop(ctx, pkey_op, | |
330 | buf_out, (size_t *)&buf_outlen, | |
331 | buf_in, (size_t)buf_inlen); | |
0f113f3e | 332 | } |
78524149 | 333 | if (rv <= 0) { |
f6add6ac JB |
334 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
335 | BIO_puts(bio_err, "Public Key operation error\n"); | |
336 | } else { | |
337 | BIO_puts(bio_err, "Key derivation failed\n"); | |
338 | } | |
0f113f3e MC |
339 | ERR_print_errors(bio_err); |
340 | goto end; | |
341 | } | |
342 | ret = 0; | |
7e1b7485 | 343 | |
0f113f3e MC |
344 | if (asn1parse) { |
345 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
346 | ERR_print_errors(bio_err); | |
2234212c | 347 | } else if (hexdump) { |
0f113f3e | 348 | BIO_dump(out, (char *)buf_out, buf_outlen); |
2234212c | 349 | } else { |
0f113f3e | 350 | BIO_write(out, buf_out, buf_outlen); |
2234212c | 351 | } |
0f113f3e MC |
352 | |
353 | end: | |
c5ba2d99 | 354 | EVP_PKEY_CTX_free(ctx); |
dd1abd44 | 355 | release_engine(e); |
0f113f3e MC |
356 | BIO_free(in); |
357 | BIO_free_all(out); | |
b548a1f1 RS |
358 | OPENSSL_free(buf_in); |
359 | OPENSSL_free(buf_out); | |
360 | OPENSSL_free(sig); | |
0c20802c | 361 | sk_OPENSSL_STRING_free(pkeyopts); |
0f113f3e | 362 | return ret; |
9e4d0f0b DSH |
363 | } |
364 | ||
924ec89a | 365 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 366 | const char *keyfile, int keyform, int key_type, |
9880236e M |
367 | char *passinarg, int pkey_op, ENGINE *e, |
368 | const int engine_impl) | |
0f113f3e MC |
369 | { |
370 | EVP_PKEY *pkey = NULL; | |
371 | EVP_PKEY_CTX *ctx = NULL; | |
9880236e | 372 | ENGINE *impl = NULL; |
0f113f3e MC |
373 | char *passin = NULL; |
374 | int rv = -1; | |
375 | X509 *x; | |
376 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) | |
377 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
924ec89a | 378 | && (key_type != KEY_PRIVKEY && kdfalg == NULL)) { |
0f113f3e MC |
379 | BIO_printf(bio_err, "A private key is needed for this operation\n"); |
380 | goto end; | |
381 | } | |
7e1b7485 | 382 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
383 | BIO_printf(bio_err, "Error getting password\n"); |
384 | goto end; | |
385 | } | |
386 | switch (key_type) { | |
387 | case KEY_PRIVKEY: | |
7e1b7485 | 388 | pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); |
0f113f3e MC |
389 | break; |
390 | ||
391 | case KEY_PUBKEY: | |
7e1b7485 | 392 | pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "Public Key"); |
0f113f3e MC |
393 | break; |
394 | ||
395 | case KEY_CERT: | |
a773b52a | 396 | x = load_cert(keyfile, keyform, "Certificate"); |
0f113f3e MC |
397 | if (x) { |
398 | pkey = X509_get_pubkey(x); | |
399 | X509_free(x); | |
400 | } | |
401 | break; | |
402 | ||
924ec89a DSH |
403 | case KEY_NONE: |
404 | break; | |
0f113f3e | 405 | |
924ec89a | 406 | } |
0f113f3e | 407 | |
9880236e M |
408 | #ifndef OPENSSL_NO_ENGINE |
409 | if (engine_impl) | |
410 | impl = e; | |
411 | #endif | |
0f113f3e | 412 | |
2234212c | 413 | if (kdfalg != NULL) { |
924ec89a | 414 | int kdfnid = OBJ_sn2nid(kdfalg); |
b15d5ab6 DSH |
415 | |
416 | if (kdfnid == NID_undef) { | |
417 | kdfnid = OBJ_ln2nid(kdfalg); | |
f6add6ac JB |
418 | if (kdfnid == NID_undef) { |
419 | BIO_printf(bio_err, "The given KDF \"%s\" is unknown.\n", | |
420 | kdfalg); | |
b15d5ab6 | 421 | goto end; |
f6add6ac | 422 | } |
b15d5ab6 | 423 | } |
924ec89a DSH |
424 | ctx = EVP_PKEY_CTX_new_id(kdfnid, impl); |
425 | } else { | |
426 | if (pkey == NULL) | |
427 | goto end; | |
428 | *pkeysize = EVP_PKEY_size(pkey); | |
429 | ctx = EVP_PKEY_CTX_new(pkey, impl); | |
430 | EVP_PKEY_free(pkey); | |
431 | } | |
0f113f3e | 432 | |
96487cdd | 433 | if (ctx == NULL) |
0f113f3e MC |
434 | goto end; |
435 | ||
436 | switch (pkey_op) { | |
437 | case EVP_PKEY_OP_SIGN: | |
438 | rv = EVP_PKEY_sign_init(ctx); | |
439 | break; | |
440 | ||
441 | case EVP_PKEY_OP_VERIFY: | |
442 | rv = EVP_PKEY_verify_init(ctx); | |
443 | break; | |
444 | ||
445 | case EVP_PKEY_OP_VERIFYRECOVER: | |
446 | rv = EVP_PKEY_verify_recover_init(ctx); | |
447 | break; | |
448 | ||
449 | case EVP_PKEY_OP_ENCRYPT: | |
450 | rv = EVP_PKEY_encrypt_init(ctx); | |
451 | break; | |
452 | ||
453 | case EVP_PKEY_OP_DECRYPT: | |
454 | rv = EVP_PKEY_decrypt_init(ctx); | |
455 | break; | |
456 | ||
457 | case EVP_PKEY_OP_DERIVE: | |
458 | rv = EVP_PKEY_derive_init(ctx); | |
459 | break; | |
460 | } | |
461 | ||
462 | if (rv <= 0) { | |
463 | EVP_PKEY_CTX_free(ctx); | |
464 | ctx = NULL; | |
465 | } | |
466 | ||
467 | end: | |
b548a1f1 | 468 | OPENSSL_free(passin); |
0f113f3e MC |
469 | return ctx; |
470 | ||
471 | } | |
9e4d0f0b | 472 | |
0c20802c | 473 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
f6add6ac | 474 | ENGINE *e) |
0f113f3e MC |
475 | { |
476 | EVP_PKEY *peer = NULL; | |
f6add6ac | 477 | ENGINE *engine = NULL; |
0f113f3e | 478 | int ret; |
0f113f3e | 479 | |
0c20802c VD |
480 | if (peerform == FORMAT_ENGINE) |
481 | engine = e; | |
482 | peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key"); | |
2234212c | 483 | if (peer == NULL) { |
0f113f3e | 484 | BIO_printf(bio_err, "Error reading peer key %s\n", file); |
7e1b7485 | 485 | ERR_print_errors(bio_err); |
0f113f3e MC |
486 | return 0; |
487 | } | |
488 | ||
489 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
490 | ||
491 | EVP_PKEY_free(peer); | |
492 | if (ret <= 0) | |
7e1b7485 | 493 | ERR_print_errors(bio_err); |
0f113f3e MC |
494 | return ret; |
495 | } | |
b010b7c4 DSH |
496 | |
497 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
0f113f3e | 498 | unsigned char *out, size_t *poutlen, |
cc696296 | 499 | const unsigned char *in, size_t inlen) |
0f113f3e MC |
500 | { |
501 | int rv = 0; | |
502 | switch (pkey_op) { | |
503 | case EVP_PKEY_OP_VERIFYRECOVER: | |
504 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
505 | break; | |
506 | ||
507 | case EVP_PKEY_OP_SIGN: | |
508 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
509 | break; | |
510 | ||
511 | case EVP_PKEY_OP_ENCRYPT: | |
512 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
513 | break; | |
514 | ||
515 | case EVP_PKEY_OP_DECRYPT: | |
516 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
517 | break; | |
518 | ||
519 | case EVP_PKEY_OP_DERIVE: | |
520 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
521 | break; | |
522 | ||
523 | } | |
524 | return rv; | |
525 | } |