1 /* Copyright (C) 1995-1998 Eric Young ([email protected])
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young ([email protected]).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson ([email protected]).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young ([email protected])"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson ([email protected])"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <openssl/x509.h>
58
59 #include <limits.h>
60
61 #include <openssl/asn1.h>
62 #include <openssl/digest.h>
63 #include <openssl/dsa.h>
64 #include <openssl/evp.h>
65 #include <openssl/mem.h>
66 #include <openssl/rsa.h>
67 #include <openssl/stack.h>
68
69 #include "../asn1/internal.h"
70 #include "internal.h"
71
72
X509_verify(X509 * x509,EVP_PKEY * pkey)73 int X509_verify(X509 *x509, EVP_PKEY *pkey) {
74 if (X509_ALGOR_cmp(x509->sig_alg, x509->cert_info->signature)) {
75 OPENSSL_PUT_ERROR(X509, X509_R_SIGNATURE_ALGORITHM_MISMATCH);
76 return 0;
77 }
78 return ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF), x509->sig_alg,
79 x509->signature, x509->cert_info, pkey);
80 }
81
X509_REQ_verify(X509_REQ * req,EVP_PKEY * pkey)82 int X509_REQ_verify(X509_REQ *req, EVP_PKEY *pkey) {
83 return ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO), req->sig_alg,
84 req->signature, req->req_info, pkey);
85 }
86
X509_sign(X509 * x,EVP_PKEY * pkey,const EVP_MD * md)87 int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md) {
88 asn1_encoding_clear(&x->cert_info->enc);
89 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), x->cert_info->signature,
90 x->sig_alg, x->signature, x->cert_info, pkey, md));
91 }
92
X509_sign_ctx(X509 * x,EVP_MD_CTX * ctx)93 int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx) {
94 asn1_encoding_clear(&x->cert_info->enc);
95 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF), x->cert_info->signature,
96 x->sig_alg, x->signature, x->cert_info, ctx);
97 }
98
X509_REQ_sign(X509_REQ * x,EVP_PKEY * pkey,const EVP_MD * md)99 int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md) {
100 asn1_encoding_clear(&x->req_info->enc);
101 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), x->sig_alg, NULL,
102 x->signature, x->req_info, pkey, md));
103 }
104
X509_REQ_sign_ctx(X509_REQ * x,EVP_MD_CTX * ctx)105 int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx) {
106 asn1_encoding_clear(&x->req_info->enc);
107 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO), x->sig_alg, NULL,
108 x->signature, x->req_info, ctx);
109 }
110
X509_CRL_sign(X509_CRL * x,EVP_PKEY * pkey,const EVP_MD * md)111 int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md) {
112 asn1_encoding_clear(&x->crl->enc);
113 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), x->crl->sig_alg,
114 x->sig_alg, x->signature, x->crl, pkey, md));
115 }
116
X509_CRL_sign_ctx(X509_CRL * x,EVP_MD_CTX * ctx)117 int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx) {
118 asn1_encoding_clear(&x->crl->enc);
119 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO), x->crl->sig_alg,
120 x->sig_alg, x->signature, x->crl, ctx);
121 }
122
NETSCAPE_SPKI_sign(NETSCAPE_SPKI * x,EVP_PKEY * pkey,const EVP_MD * md)123 int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md) {
124 return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), x->sig_algor, NULL,
125 x->signature, x->spkac, pkey, md));
126 }
127
NETSCAPE_SPKI_verify(NETSCAPE_SPKI * spki,EVP_PKEY * pkey)128 int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *spki, EVP_PKEY *pkey) {
129 return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC), spki->sig_algor,
130 spki->signature, spki->spkac, pkey));
131 }
132
d2i_X509_CRL_fp(FILE * fp,X509_CRL ** crl)133 X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl) {
134 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
135 }
136
i2d_X509_CRL_fp(FILE * fp,X509_CRL * crl)137 int i2d_X509_CRL_fp(FILE *fp, X509_CRL *crl) {
138 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
139 }
140
d2i_X509_CRL_bio(BIO * bp,X509_CRL ** crl)141 X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl) {
142 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
143 }
144
i2d_X509_CRL_bio(BIO * bp,X509_CRL * crl)145 int i2d_X509_CRL_bio(BIO *bp, X509_CRL *crl) {
146 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
147 }
148
d2i_X509_REQ_fp(FILE * fp,X509_REQ ** req)149 X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req) {
150 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
151 }
152
i2d_X509_REQ_fp(FILE * fp,X509_REQ * req)153 int i2d_X509_REQ_fp(FILE *fp, X509_REQ *req) {
154 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
155 }
156
d2i_X509_REQ_bio(BIO * bp,X509_REQ ** req)157 X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req) {
158 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
159 }
160
i2d_X509_REQ_bio(BIO * bp,X509_REQ * req)161 int i2d_X509_REQ_bio(BIO *bp, X509_REQ *req) {
162 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
163 }
164
165
166 #define IMPLEMENT_D2I_FP(type, name, bio_func) \
167 type *name(FILE *fp, type **obj) { \
168 BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE); \
169 if (bio == NULL) { \
170 return NULL; \
171 } \
172 type *ret = bio_func(bio, obj); \
173 BIO_free(bio); \
174 return ret; \
175 }
176
177 #define IMPLEMENT_I2D_FP(type, name, bio_func) \
178 int name(FILE *fp, type *obj) { \
179 BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE); \
180 if (bio == NULL) { \
181 return 0; \
182 } \
183 int ret = bio_func(bio, obj); \
184 BIO_free(bio); \
185 return ret; \
186 }
187
188 IMPLEMENT_D2I_FP(X509, d2i_X509_fp, d2i_X509_bio);
189 IMPLEMENT_I2D_FP(X509, i2d_X509_fp, i2d_X509_bio);
190
IMPLEMENT_D2I_FP(RSA,d2i_RSAPrivateKey_fp,d2i_RSAPrivateKey_bio)191 IMPLEMENT_D2I_FP(RSA, d2i_RSAPrivateKey_fp, d2i_RSAPrivateKey_bio)
192 IMPLEMENT_I2D_FP(RSA, i2d_RSAPrivateKey_fp, i2d_RSAPrivateKey_bio)
193
194 IMPLEMENT_D2I_FP(RSA, d2i_RSAPublicKey_fp, d2i_RSAPublicKey_bio)
195 IMPLEMENT_I2D_FP(RSA, i2d_RSAPublicKey_fp, i2d_RSAPublicKey_bio)
196
197 IMPLEMENT_D2I_FP(RSA, d2i_RSA_PUBKEY_fp, d2i_RSA_PUBKEY_bio)
198 IMPLEMENT_I2D_FP(RSA, i2d_RSA_PUBKEY_fp, i2d_RSA_PUBKEY_bio)
199
200 #define IMPLEMENT_D2I_BIO(type, name, d2i_func) \
201 type *name(BIO *bio, type **obj) { \
202 uint8_t *data; \
203 size_t len; \
204 if (!BIO_read_asn1(bio, &data, &len, 100 * 1024)) { \
205 return NULL; \
206 } \
207 const uint8_t *ptr = data; \
208 type *ret = d2i_func(obj, &ptr, (long)len); \
209 OPENSSL_free(data); \
210 return ret; \
211 }
212
213 #define IMPLEMENT_I2D_BIO(type, name, i2d_func) \
214 int name(BIO *bio, type *obj) { \
215 uint8_t *data = NULL; \
216 int len = i2d_func(obj, &data); \
217 if (len < 0) { \
218 return 0; \
219 } \
220 int ret = BIO_write_all(bio, data, len); \
221 OPENSSL_free(data); \
222 return ret; \
223 }
224
225 IMPLEMENT_D2I_BIO(X509, d2i_X509_bio, d2i_X509)
226 IMPLEMENT_I2D_BIO(X509, i2d_X509_bio, i2d_X509)
227
228 IMPLEMENT_D2I_BIO(RSA, d2i_RSAPrivateKey_bio, d2i_RSAPrivateKey)
229 IMPLEMENT_I2D_BIO(RSA, i2d_RSAPrivateKey_bio, i2d_RSAPrivateKey)
230
231 IMPLEMENT_D2I_BIO(RSA, d2i_RSAPublicKey_bio, d2i_RSAPublicKey)
232 IMPLEMENT_I2D_BIO(RSA, i2d_RSAPublicKey_bio, i2d_RSAPublicKey)
233
234 IMPLEMENT_D2I_BIO(RSA, d2i_RSA_PUBKEY_bio, d2i_RSA_PUBKEY)
235 IMPLEMENT_I2D_BIO(RSA, i2d_RSA_PUBKEY_bio, i2d_RSA_PUBKEY)
236
237 IMPLEMENT_D2I_FP(DSA, d2i_DSAPrivateKey_fp, d2i_DSAPrivateKey_bio)
238 IMPLEMENT_I2D_FP(DSA, i2d_DSAPrivateKey_fp, i2d_DSAPrivateKey_bio)
239
240 IMPLEMENT_D2I_FP(DSA, d2i_DSA_PUBKEY_fp, d2i_DSA_PUBKEY_bio)
241 IMPLEMENT_I2D_FP(DSA, i2d_DSA_PUBKEY_fp, i2d_DSA_PUBKEY_bio)
242
243 IMPLEMENT_D2I_BIO(DSA, d2i_DSAPrivateKey_bio, d2i_DSAPrivateKey)
244 IMPLEMENT_I2D_BIO(DSA, i2d_DSAPrivateKey_bio, i2d_DSAPrivateKey)
245
246 IMPLEMENT_D2I_BIO(DSA, d2i_DSA_PUBKEY_bio, d2i_DSA_PUBKEY)
247 IMPLEMENT_I2D_BIO(DSA, i2d_DSA_PUBKEY_bio, i2d_DSA_PUBKEY)
248
249 IMPLEMENT_D2I_FP(EC_KEY, d2i_ECPrivateKey_fp, d2i_ECPrivateKey_bio)
250 IMPLEMENT_I2D_FP(EC_KEY, i2d_ECPrivateKey_fp, i2d_ECPrivateKey_bio)
251
252 IMPLEMENT_D2I_FP(EC_KEY, d2i_EC_PUBKEY_fp, d2i_EC_PUBKEY_bio)
253 IMPLEMENT_I2D_FP(EC_KEY, i2d_EC_PUBKEY_fp, i2d_EC_PUBKEY_bio)
254
255 IMPLEMENT_D2I_BIO(EC_KEY, d2i_ECPrivateKey_bio, d2i_ECPrivateKey)
256 IMPLEMENT_I2D_BIO(EC_KEY, i2d_ECPrivateKey_bio, i2d_ECPrivateKey)
257
258 IMPLEMENT_D2I_BIO(EC_KEY, d2i_EC_PUBKEY_bio, d2i_EC_PUBKEY)
259 IMPLEMENT_I2D_BIO(EC_KEY, i2d_EC_PUBKEY_bio, i2d_EC_PUBKEY)
260
261 int X509_pubkey_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
262 unsigned int *len) {
263 ASN1_BIT_STRING *key;
264 key = X509_get0_pubkey_bitstr(data);
265 if (!key) {
266 return 0;
267 }
268 return EVP_Digest(key->data, key->length, md, len, type, NULL);
269 }
270
X509_digest(const X509 * x509,const EVP_MD * md,uint8_t * out,unsigned * out_len)271 int X509_digest(const X509 *x509, const EVP_MD *md, uint8_t *out,
272 unsigned *out_len) {
273 uint8_t *der = NULL;
274 // TODO(https://crbug.com/boringssl/407): This function is not const-correct.
275 int der_len = i2d_X509((X509 *)x509, &der);
276 if (der_len < 0) {
277 return 0;
278 }
279
280 int ret = EVP_Digest(der, der_len, out, out_len, md, NULL);
281 OPENSSL_free(der);
282 return ret;
283 }
284
X509_CRL_digest(const X509_CRL * data,const EVP_MD * type,unsigned char * md,unsigned int * len)285 int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type, unsigned char *md,
286 unsigned int *len) {
287 return (
288 ASN1_item_digest(ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len));
289 }
290
X509_REQ_digest(const X509_REQ * data,const EVP_MD * type,unsigned char * md,unsigned int * len)291 int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type, unsigned char *md,
292 unsigned int *len) {
293 return (
294 ASN1_item_digest(ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len));
295 }
296
X509_NAME_digest(const X509_NAME * data,const EVP_MD * type,unsigned char * md,unsigned int * len)297 int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
298 unsigned char *md, unsigned int *len) {
299 return (
300 ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len));
301 }
302
IMPLEMENT_D2I_FP(X509_SIG,d2i_PKCS8_fp,d2i_PKCS8_bio)303 IMPLEMENT_D2I_FP(X509_SIG, d2i_PKCS8_fp, d2i_PKCS8_bio)
304 IMPLEMENT_I2D_FP(X509_SIG, i2d_PKCS8_fp, i2d_PKCS8_bio)
305
306 IMPLEMENT_D2I_BIO(X509_SIG, d2i_PKCS8_bio, d2i_X509_SIG)
307 IMPLEMENT_I2D_BIO(X509_SIG, i2d_PKCS8_bio, i2d_X509_SIG)
308
309 IMPLEMENT_D2I_FP(PKCS8_PRIV_KEY_INFO, d2i_PKCS8_PRIV_KEY_INFO_fp,
310 d2i_PKCS8_PRIV_KEY_INFO_bio)
311 IMPLEMENT_I2D_FP(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO_fp,
312 i2d_PKCS8_PRIV_KEY_INFO_bio)
313
314 int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, EVP_PKEY *key) {
315 PKCS8_PRIV_KEY_INFO *p8inf;
316 int ret;
317 p8inf = EVP_PKEY2PKCS8(key);
318 if (!p8inf) {
319 return 0;
320 }
321 ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
322 PKCS8_PRIV_KEY_INFO_free(p8inf);
323 return ret;
324 }
325
IMPLEMENT_D2I_FP(EVP_PKEY,d2i_PrivateKey_fp,d2i_PrivateKey_bio)326 IMPLEMENT_D2I_FP(EVP_PKEY, d2i_PrivateKey_fp, d2i_PrivateKey_bio)
327 IMPLEMENT_I2D_FP(EVP_PKEY, i2d_PrivateKey_fp, i2d_PrivateKey_bio)
328
329 IMPLEMENT_D2I_FP(EVP_PKEY, d2i_PUBKEY_fp, d2i_PUBKEY_bio)
330 IMPLEMENT_I2D_FP(EVP_PKEY, i2d_PUBKEY_fp, i2d_PUBKEY_bio)
331
332 IMPLEMENT_D2I_BIO(PKCS8_PRIV_KEY_INFO, d2i_PKCS8_PRIV_KEY_INFO_bio,
333 d2i_PKCS8_PRIV_KEY_INFO)
334 IMPLEMENT_I2D_BIO(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO_bio,
335 i2d_PKCS8_PRIV_KEY_INFO)
336
337 int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, EVP_PKEY *key) {
338 PKCS8_PRIV_KEY_INFO *p8inf;
339 int ret;
340 p8inf = EVP_PKEY2PKCS8(key);
341 if (!p8inf) {
342 return 0;
343 }
344 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
345 PKCS8_PRIV_KEY_INFO_free(p8inf);
346 return ret;
347 }
348
349 IMPLEMENT_D2I_BIO(EVP_PKEY, d2i_PrivateKey_bio, d2i_AutoPrivateKey)
350 IMPLEMENT_I2D_BIO(EVP_PKEY, i2d_PrivateKey_bio, i2d_PrivateKey)
351
352 IMPLEMENT_D2I_BIO(EVP_PKEY, d2i_PUBKEY_bio, d2i_PUBKEY)
353 IMPLEMENT_I2D_BIO(EVP_PKEY, i2d_PUBKEY_bio, i2d_PUBKEY)
354
355 IMPLEMENT_D2I_BIO(DH, d2i_DHparams_bio, d2i_DHparams)
356 IMPLEMENT_I2D_BIO(const DH, i2d_DHparams_bio, i2d_DHparams)
357