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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 RS |
86 | OPTION_CHOICE o; |
87 | int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = | |
88 | FORMAT_PEM; | |
89 | int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; | |
9880236e | 90 | int engine_impl = 0; |
0f113f3e | 91 | int ret = 1, rv = -1; |
7e1b7485 | 92 | size_t buf_outlen; |
0c20802c VD |
93 | const char *inkey = NULL; |
94 | const char *peerkey = NULL; | |
924ec89a DSH |
95 | const char *kdfalg = NULL; |
96 | int kdflen = 0; | |
0c20802c | 97 | STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; |
0f113f3e | 98 | |
7e1b7485 RS |
99 | prog = opt_init(argc, argv, pkeyutl_options); |
100 | while ((o = opt_next()) != OPT_EOF) { | |
101 | switch (o) { | |
102 | case OPT_EOF: | |
103 | case OPT_ERR: | |
104 | opthelp: | |
105 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
106 | goto end; | |
107 | case OPT_HELP: | |
108 | opt_help(pkeyutl_options); | |
109 | ret = 0; | |
110 | goto end; | |
111 | case OPT_IN: | |
112 | infile = opt_arg(); | |
113 | break; | |
114 | case OPT_OUT: | |
115 | outfile = opt_arg(); | |
116 | break; | |
117 | case OPT_SIGFILE: | |
118 | sigfile = opt_arg(); | |
119 | break; | |
9880236e M |
120 | case OPT_ENGINE_IMPL: |
121 | engine_impl = 1; | |
122 | break; | |
7e1b7485 | 123 | case OPT_INKEY: |
0c20802c | 124 | inkey = opt_arg(); |
7e1b7485 RS |
125 | break; |
126 | case OPT_PEERKEY: | |
0c20802c | 127 | peerkey = opt_arg(); |
7e1b7485 RS |
128 | break; |
129 | case OPT_PASSIN: | |
130 | passinarg = opt_arg(); | |
131 | break; | |
132 | case OPT_PEERFORM: | |
0c20802c | 133 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform)) |
7e1b7485 RS |
134 | goto opthelp; |
135 | break; | |
136 | case OPT_KEYFORM: | |
0c20802c | 137 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform)) |
7e1b7485 RS |
138 | goto opthelp; |
139 | break; | |
3ee1eac2 RS |
140 | case OPT_R_CASES: |
141 | if (!opt_rand(o)) | |
142 | goto end; | |
143 | break; | |
7e1b7485 RS |
144 | case OPT_ENGINE: |
145 | e = setup_engine(opt_arg(), 0); | |
146 | break; | |
7e1b7485 | 147 | case OPT_PUBIN: |
0f113f3e | 148 | key_type = KEY_PUBKEY; |
7e1b7485 RS |
149 | break; |
150 | case OPT_CERTIN: | |
0f113f3e | 151 | key_type = KEY_CERT; |
7e1b7485 RS |
152 | break; |
153 | case OPT_ASN1PARSE: | |
0f113f3e | 154 | asn1parse = 1; |
7e1b7485 RS |
155 | break; |
156 | case OPT_HEXDUMP: | |
0f113f3e | 157 | hexdump = 1; |
7e1b7485 RS |
158 | break; |
159 | case OPT_SIGN: | |
0f113f3e | 160 | pkey_op = EVP_PKEY_OP_SIGN; |
7e1b7485 RS |
161 | break; |
162 | case OPT_VERIFY: | |
0f113f3e | 163 | pkey_op = EVP_PKEY_OP_VERIFY; |
7e1b7485 RS |
164 | break; |
165 | case OPT_VERIFYRECOVER: | |
0f113f3e | 166 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
7e1b7485 | 167 | break; |
7e1b7485 | 168 | case OPT_ENCRYPT: |
0f113f3e | 169 | pkey_op = EVP_PKEY_OP_ENCRYPT; |
7e1b7485 RS |
170 | break; |
171 | case OPT_DECRYPT: | |
0f113f3e | 172 | pkey_op = EVP_PKEY_OP_DECRYPT; |
7e1b7485 RS |
173 | break; |
174 | case OPT_DERIVE: | |
0f113f3e | 175 | pkey_op = EVP_PKEY_OP_DERIVE; |
7e1b7485 | 176 | break; |
924ec89a DSH |
177 | case OPT_KDF: |
178 | pkey_op = EVP_PKEY_OP_DERIVE; | |
179 | key_type = KEY_NONE; | |
180 | kdfalg = opt_arg(); | |
181 | break; | |
182 | case OPT_KDFLEN: | |
183 | kdflen = atoi(opt_arg()); | |
184 | break; | |
0c20802c VD |
185 | case OPT_REV: |
186 | rev = 1; | |
187 | break; | |
7e1b7485 | 188 | case OPT_PKEYOPT: |
0c20802c VD |
189 | if ((pkeyopts == NULL && |
190 | (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || | |
78524149 | 191 | sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { |
0c20802c | 192 | BIO_puts(bio_err, "out of memory\n"); |
0f113f3e MC |
193 | goto end; |
194 | } | |
7e1b7485 | 195 | break; |
0f113f3e | 196 | } |
0f113f3e | 197 | } |
7e1b7485 | 198 | argc = opt_num_rest(); |
03358517 KR |
199 | if (argc != 0) |
200 | goto opthelp; | |
0f113f3e | 201 | |
924ec89a DSH |
202 | if (kdfalg != NULL) { |
203 | if (kdflen == 0) | |
204 | goto opthelp; | |
205 | } else if ((inkey == NULL) | |
206 | || (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE)) { | |
7e1b7485 | 207 | goto opthelp; |
924ec89a DSH |
208 | } |
209 | ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, | |
9880236e | 210 | passinarg, pkey_op, e, engine_impl); |
0c20802c VD |
211 | if (ctx == NULL) { |
212 | BIO_printf(bio_err, "%s: Error initializing context\n", prog); | |
213 | ERR_print_errors(bio_err); | |
214 | goto end; | |
215 | } | |
216 | if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { | |
217 | BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); | |
218 | ERR_print_errors(bio_err); | |
219 | goto end; | |
220 | } | |
221 | if (pkeyopts != NULL) { | |
222 | int num = sk_OPENSSL_STRING_num(pkeyopts); | |
223 | int i; | |
224 | ||
225 | for (i = 0; i < num; ++i) { | |
226 | const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); | |
227 | ||
228 | if (pkey_ctrl_string(ctx, opt) <= 0) { | |
229 | BIO_printf(bio_err, "%s: Can't set parameter:\n", prog); | |
230 | ERR_print_errors(bio_err); | |
231 | goto end; | |
232 | } | |
233 | } | |
234 | } | |
235 | ||
2234212c | 236 | if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
237 | BIO_printf(bio_err, |
238 | "%s: Signature file specified for non verify\n", prog); | |
0f113f3e MC |
239 | goto end; |
240 | } | |
241 | ||
2234212c | 242 | if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { |
7e1b7485 RS |
243 | BIO_printf(bio_err, |
244 | "%s: No signature file specified for verify\n", prog); | |
0f113f3e MC |
245 | goto end; |
246 | } | |
a9164153 | 247 | |
0f113f3e | 248 | if (pkey_op != EVP_PKEY_OP_DERIVE) { |
bdd58d98 | 249 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
7e1b7485 | 250 | if (in == NULL) |
0f113f3e | 251 | goto end; |
0f113f3e | 252 | } |
bdd58d98 | 253 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
254 | if (out == NULL) |
255 | goto end; | |
0f113f3e | 256 | |
2234212c | 257 | if (sigfile != NULL) { |
0f113f3e | 258 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c PY |
259 | |
260 | if (sigbio == NULL) { | |
0f113f3e MC |
261 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); |
262 | goto end; | |
263 | } | |
264 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
265 | BIO_free(sigbio); | |
0c20802c | 266 | if (siglen < 0) { |
0f113f3e MC |
267 | BIO_printf(bio_err, "Error reading signature data\n"); |
268 | goto end; | |
269 | } | |
270 | } | |
271 | ||
2234212c | 272 | if (in != NULL) { |
0f113f3e MC |
273 | /* Read the input data */ |
274 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
0c20802c | 275 | if (buf_inlen < 0) { |
0f113f3e MC |
276 | BIO_printf(bio_err, "Error reading input Data\n"); |
277 | exit(1); | |
278 | } | |
279 | if (rev) { | |
280 | size_t i; | |
281 | unsigned char ctmp; | |
282 | size_t l = (size_t)buf_inlen; | |
283 | for (i = 0; i < l / 2; i++) { | |
284 | ctmp = buf_in[i]; | |
285 | buf_in[i] = buf_in[l - 1 - i]; | |
286 | buf_in[l - 1 - i] = ctmp; | |
287 | } | |
288 | } | |
289 | } | |
290 | ||
291 | if (pkey_op == EVP_PKEY_OP_VERIFY) { | |
292 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
293 | buf_in, (size_t)buf_inlen); | |
7e1b7485 | 294 | if (rv == 1) { |
0f113f3e | 295 | BIO_puts(out, "Signature Verified Successfully\n"); |
7e1b7485 | 296 | ret = 0; |
2234212c | 297 | } else { |
7e1b7485 | 298 | BIO_puts(out, "Signature Verification Failure\n"); |
2234212c | 299 | } |
7e1b7485 RS |
300 | goto end; |
301 | } | |
924ec89a DSH |
302 | if (kdflen != 0) { |
303 | buf_outlen = kdflen; | |
304 | rv = 1; | |
305 | } else { | |
306 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
307 | buf_in, (size_t)buf_inlen); | |
308 | } | |
0c20802c | 309 | if (rv > 0 && buf_outlen != 0) { |
68dc6824 RS |
310 | buf_out = app_malloc(buf_outlen, "buffer output"); |
311 | rv = do_keyop(ctx, pkey_op, | |
312 | buf_out, (size_t *)&buf_outlen, | |
313 | buf_in, (size_t)buf_inlen); | |
0f113f3e | 314 | } |
78524149 DSH |
315 | if (rv <= 0) { |
316 | BIO_puts(bio_err, "Public Key operation error\n"); | |
0f113f3e MC |
317 | ERR_print_errors(bio_err); |
318 | goto end; | |
319 | } | |
320 | ret = 0; | |
7e1b7485 | 321 | |
0f113f3e MC |
322 | if (asn1parse) { |
323 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
324 | ERR_print_errors(bio_err); | |
2234212c | 325 | } else if (hexdump) { |
0f113f3e | 326 | BIO_dump(out, (char *)buf_out, buf_outlen); |
2234212c | 327 | } else { |
0f113f3e | 328 | BIO_write(out, buf_out, buf_outlen); |
2234212c | 329 | } |
0f113f3e MC |
330 | |
331 | end: | |
c5ba2d99 | 332 | EVP_PKEY_CTX_free(ctx); |
dd1abd44 | 333 | release_engine(e); |
0f113f3e MC |
334 | BIO_free(in); |
335 | BIO_free_all(out); | |
b548a1f1 RS |
336 | OPENSSL_free(buf_in); |
337 | OPENSSL_free(buf_out); | |
338 | OPENSSL_free(sig); | |
0c20802c | 339 | sk_OPENSSL_STRING_free(pkeyopts); |
0f113f3e | 340 | return ret; |
9e4d0f0b DSH |
341 | } |
342 | ||
924ec89a | 343 | static EVP_PKEY_CTX *init_ctx(const char *kdfalg, int *pkeysize, |
0c20802c | 344 | const char *keyfile, int keyform, int key_type, |
9880236e M |
345 | char *passinarg, int pkey_op, ENGINE *e, |
346 | const int engine_impl) | |
0f113f3e MC |
347 | { |
348 | EVP_PKEY *pkey = NULL; | |
349 | EVP_PKEY_CTX *ctx = NULL; | |
9880236e | 350 | ENGINE *impl = NULL; |
0f113f3e MC |
351 | char *passin = NULL; |
352 | int rv = -1; | |
353 | X509 *x; | |
354 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) | |
355 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
924ec89a | 356 | && (key_type != KEY_PRIVKEY && kdfalg == NULL)) { |
0f113f3e MC |
357 | BIO_printf(bio_err, "A private key is needed for this operation\n"); |
358 | goto end; | |
359 | } | |
7e1b7485 | 360 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
361 | BIO_printf(bio_err, "Error getting password\n"); |
362 | goto end; | |
363 | } | |
364 | switch (key_type) { | |
365 | case KEY_PRIVKEY: | |
7e1b7485 | 366 | pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); |
0f113f3e MC |
367 | break; |
368 | ||
369 | case KEY_PUBKEY: | |
7e1b7485 | 370 | pkey = load_pubkey(keyfile, keyform, 0, NULL, e, "Public Key"); |
0f113f3e MC |
371 | break; |
372 | ||
373 | case KEY_CERT: | |
a773b52a | 374 | x = load_cert(keyfile, keyform, "Certificate"); |
0f113f3e MC |
375 | if (x) { |
376 | pkey = X509_get_pubkey(x); | |
377 | X509_free(x); | |
378 | } | |
379 | break; | |
380 | ||
924ec89a DSH |
381 | case KEY_NONE: |
382 | break; | |
0f113f3e | 383 | |
924ec89a | 384 | } |
0f113f3e | 385 | |
9880236e M |
386 | #ifndef OPENSSL_NO_ENGINE |
387 | if (engine_impl) | |
388 | impl = e; | |
389 | #endif | |
0f113f3e | 390 | |
2234212c | 391 | if (kdfalg != NULL) { |
924ec89a | 392 | int kdfnid = OBJ_sn2nid(kdfalg); |
b15d5ab6 DSH |
393 | |
394 | if (kdfnid == NID_undef) { | |
395 | kdfnid = OBJ_ln2nid(kdfalg); | |
396 | if (kdfnid == NID_undef) | |
397 | goto end; | |
398 | } | |
924ec89a DSH |
399 | ctx = EVP_PKEY_CTX_new_id(kdfnid, impl); |
400 | } else { | |
401 | if (pkey == NULL) | |
402 | goto end; | |
403 | *pkeysize = EVP_PKEY_size(pkey); | |
404 | ctx = EVP_PKEY_CTX_new(pkey, impl); | |
405 | EVP_PKEY_free(pkey); | |
406 | } | |
0f113f3e | 407 | |
96487cdd | 408 | if (ctx == NULL) |
0f113f3e MC |
409 | goto end; |
410 | ||
411 | switch (pkey_op) { | |
412 | case EVP_PKEY_OP_SIGN: | |
413 | rv = EVP_PKEY_sign_init(ctx); | |
414 | break; | |
415 | ||
416 | case EVP_PKEY_OP_VERIFY: | |
417 | rv = EVP_PKEY_verify_init(ctx); | |
418 | break; | |
419 | ||
420 | case EVP_PKEY_OP_VERIFYRECOVER: | |
421 | rv = EVP_PKEY_verify_recover_init(ctx); | |
422 | break; | |
423 | ||
424 | case EVP_PKEY_OP_ENCRYPT: | |
425 | rv = EVP_PKEY_encrypt_init(ctx); | |
426 | break; | |
427 | ||
428 | case EVP_PKEY_OP_DECRYPT: | |
429 | rv = EVP_PKEY_decrypt_init(ctx); | |
430 | break; | |
431 | ||
432 | case EVP_PKEY_OP_DERIVE: | |
433 | rv = EVP_PKEY_derive_init(ctx); | |
434 | break; | |
435 | } | |
436 | ||
437 | if (rv <= 0) { | |
438 | EVP_PKEY_CTX_free(ctx); | |
439 | ctx = NULL; | |
440 | } | |
441 | ||
442 | end: | |
b548a1f1 | 443 | OPENSSL_free(passin); |
0f113f3e MC |
444 | return ctx; |
445 | ||
446 | } | |
9e4d0f0b | 447 | |
0c20802c VD |
448 | static int setup_peer(EVP_PKEY_CTX *ctx, int peerform, const char *file, |
449 | ENGINE* e) | |
0f113f3e MC |
450 | { |
451 | EVP_PKEY *peer = NULL; | |
0c20802c | 452 | ENGINE* engine = NULL; |
0f113f3e | 453 | int ret; |
0f113f3e | 454 | |
0c20802c VD |
455 | if (peerform == FORMAT_ENGINE) |
456 | engine = e; | |
457 | peer = load_pubkey(file, peerform, 0, NULL, engine, "Peer Key"); | |
2234212c | 458 | if (peer == NULL) { |
0f113f3e | 459 | BIO_printf(bio_err, "Error reading peer key %s\n", file); |
7e1b7485 | 460 | ERR_print_errors(bio_err); |
0f113f3e MC |
461 | return 0; |
462 | } | |
463 | ||
464 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
465 | ||
466 | EVP_PKEY_free(peer); | |
467 | if (ret <= 0) | |
7e1b7485 | 468 | ERR_print_errors(bio_err); |
0f113f3e MC |
469 | return ret; |
470 | } | |
b010b7c4 DSH |
471 | |
472 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
0f113f3e | 473 | unsigned char *out, size_t *poutlen, |
cc696296 | 474 | const unsigned char *in, size_t inlen) |
0f113f3e MC |
475 | { |
476 | int rv = 0; | |
477 | switch (pkey_op) { | |
478 | case EVP_PKEY_OP_VERIFYRECOVER: | |
479 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
480 | break; | |
481 | ||
482 | case EVP_PKEY_OP_SIGN: | |
483 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
484 | break; | |
485 | ||
486 | case EVP_PKEY_OP_ENCRYPT: | |
487 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
488 | break; | |
489 | ||
490 | case EVP_PKEY_OP_DECRYPT: | |
491 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
492 | break; | |
493 | ||
494 | case EVP_PKEY_OP_DERIVE: | |
495 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
496 | break; | |
497 | ||
498 | } | |
499 | return rv; | |
500 | } |