Coverage Report

Created: 2023-04-12 06:22

/src/openssl/crypto/x509/x_all.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3
 *
4
 * Licensed under the Apache License 2.0 (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
8
 */
9
10
/*
11
 * Low level APIs are deprecated for public use, but still ok for
12
 * internal use.
13
 */
14
#include "internal/deprecated.h"
15
16
#include <stdio.h>
17
#include "internal/cryptlib.h"
18
#include <openssl/buffer.h>
19
#include <openssl/asn1.h>
20
#include <openssl/evp.h>
21
#include <openssl/x509.h>
22
#include <openssl/http.h>
23
#include <openssl/rsa.h>
24
#include <openssl/dsa.h>
25
#include <openssl/x509v3.h>
26
#include "internal/asn1.h"
27
#include "crypto/pkcs7.h"
28
#include "crypto/x509.h"
29
#include "crypto/rsa.h"
30
31
int X509_verify(X509 *a, EVP_PKEY *r)
32
0
{
33
0
    if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature) != 0)
34
0
        return 0;
35
36
0
    return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
37
0
                               &a->signature, &a->cert_info,
38
0
                               a->distinguishing_id, r, a->libctx, a->propq);
39
0
}
40
41
int X509_REQ_verify_ex(X509_REQ *a, EVP_PKEY *r, OSSL_LIB_CTX *libctx,
42
                       const char *propq)
43
0
{
44
0
    return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
45
0
                               a->signature, &a->req_info, a->distinguishing_id,
46
0
                               r, libctx, propq);
47
0
}
48
49
int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
50
0
{
51
0
    return X509_REQ_verify_ex(a, r, NULL, NULL);
52
0
}
53
54
int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
55
0
{
56
0
    return ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC),
57
0
                            &a->sig_algor, a->signature, a->spkac, r);
58
0
}
59
60
int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
61
0
{
62
0
    if (x == NULL) {
63
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
64
0
        return 0;
65
0
    }
66
0
    if (sk_X509_EXTENSION_num(X509_get0_extensions(x)) > 0
67
0
            && !X509_set_version(x, X509_VERSION_3))
68
0
        return 0;
69
70
    /*
71
     * Setting the modified flag before signing it. This makes the cached
72
     * encoding to be ignored, so even if the certificate fields have changed,
73
     * they are signed correctly.
74
     * The X509_sign_ctx, X509_REQ_sign{,_ctx}, X509_CRL_sign{,_ctx} functions
75
     * which exist below are the same.
76
     */
77
0
    x->cert_info.enc.modified = 1;
78
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_CINF), &x->cert_info.signature,
79
0
                             &x->sig_alg, &x->signature, &x->cert_info, NULL,
80
0
                             pkey, md, x->libctx, x->propq);
81
0
}
82
83
int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
84
0
{
85
0
    if (x == NULL) {
86
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
87
0
        return 0;
88
0
    }
89
0
    if (sk_X509_EXTENSION_num(X509_get0_extensions(x)) > 0
90
0
            && !X509_set_version(x, X509_VERSION_3))
91
0
        return 0;
92
0
    x->cert_info.enc.modified = 1;
93
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
94
0
                              &x->cert_info.signature,
95
0
                              &x->sig_alg, &x->signature, &x->cert_info, ctx);
96
0
}
97
98
static ASN1_VALUE *simple_get_asn1(const char *url, BIO *bio, BIO *rbio,
99
                                   int timeout, const ASN1_ITEM *it)
100
0
{
101
0
    BIO *mem = OSSL_HTTP_get(url, NULL /* proxy */, NULL /* no_proxy */,
102
0
                             bio, rbio, NULL /* cb */, NULL /* arg */,
103
0
                             1024 /* buf_size */, NULL /* headers */,
104
0
                             NULL /* expected_ct */, 1 /* expect_asn1 */,
105
0
                             OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
106
0
    ASN1_VALUE *res = ASN1_item_d2i_bio(it, mem, NULL);
107
108
0
    BIO_free(mem);
109
0
    return res;
110
0
}
111
112
X509 *X509_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
113
0
{
114
0
    return (X509 *)simple_get_asn1(url, bio, rbio, timeout,
115
0
                                   ASN1_ITEM_rptr(X509));
116
0
}
117
118
int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
119
0
{
120
0
    if (x == NULL) {
121
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
122
0
        return 0;
123
0
    }
124
0
    x->req_info.enc.modified = 1;
125
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
126
0
                             x->signature, &x->req_info, NULL,
127
0
                             pkey, md, x->libctx, x->propq);
128
0
}
129
130
int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
131
0
{
132
0
    if (x == NULL) {
133
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
134
0
        return 0;
135
0
    }
136
0
    x->req_info.enc.modified = 1;
137
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
138
0
                              &x->sig_alg, NULL, x->signature, &x->req_info,
139
0
                              ctx);
140
0
}
141
142
int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
143
0
{
144
0
    if (x == NULL) {
145
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
146
0
        return 0;
147
0
    }
148
0
    x->crl.enc.modified = 1;
149
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
150
0
                             &x->sig_alg, &x->signature, &x->crl, NULL,
151
0
                             pkey, md, x->libctx, x->propq);
152
0
}
153
154
int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
155
0
{
156
0
    if (x == NULL) {
157
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
158
0
        return 0;
159
0
    }
160
0
    x->crl.enc.modified = 1;
161
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
162
0
                              &x->crl.sig_alg, &x->sig_alg, &x->signature,
163
0
                              &x->crl, ctx);
164
0
}
165
166
X509_CRL *X509_CRL_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
167
0
{
168
0
    return (X509_CRL *)simple_get_asn1(url, bio, rbio, timeout,
169
0
                                       ASN1_ITEM_rptr(X509_CRL));
170
0
}
171
172
int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
173
0
{
174
0
    return
175
0
        ASN1_item_sign_ex(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
176
0
                          x->signature, x->spkac, NULL, pkey, md, NULL, NULL);
177
0
}
178
179
#ifndef OPENSSL_NO_STDIO
180
X509 *d2i_X509_fp(FILE *fp, X509 **x509)
181
0
{
182
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
183
0
}
184
185
int i2d_X509_fp(FILE *fp, const X509 *x509)
186
0
{
187
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
188
0
}
189
#endif
190
191
X509 *d2i_X509_bio(BIO *bp, X509 **x509)
192
0
{
193
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
194
0
}
195
196
int i2d_X509_bio(BIO *bp, const X509 *x509)
197
0
{
198
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
199
0
}
200
201
#ifndef OPENSSL_NO_STDIO
202
X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
203
0
{
204
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
205
0
}
206
207
int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
208
0
{
209
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
210
0
}
211
#endif
212
213
X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
214
0
{
215
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
216
0
}
217
218
int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
219
0
{
220
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
221
0
}
222
223
#ifndef OPENSSL_NO_STDIO
224
PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
225
0
{
226
0
    PKCS7 *ret;
227
0
    OSSL_LIB_CTX *libctx = NULL;
228
0
    const char *propq = NULL;
229
230
0
    if (p7 != NULL && *p7 != NULL) {
231
0
        libctx = (*p7)->ctx.libctx;
232
0
        propq = (*p7)->ctx.propq;
233
0
    }
234
235
0
    ret = ASN1_item_d2i_fp_ex(ASN1_ITEM_rptr(PKCS7), fp, p7, libctx, propq);
236
0
    if (ret != NULL)
237
0
        ossl_pkcs7_resolve_libctx(ret);
238
0
    return ret;
239
0
}
240
241
int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
242
0
{
243
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
244
0
}
245
#endif
246
247
PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
248
0
{
249
0
    PKCS7 *ret;
250
0
    OSSL_LIB_CTX *libctx = NULL;
251
0
    const char *propq = NULL;
252
253
0
    if (p7 != NULL && *p7 != NULL) {
254
0
        libctx = (*p7)->ctx.libctx;
255
0
        propq = (*p7)->ctx.propq;
256
0
    }
257
258
0
    ret = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(PKCS7), bp, p7, libctx, propq);
259
0
    if (ret != NULL)
260
0
        ossl_pkcs7_resolve_libctx(ret);
261
0
    return ret;
262
0
}
263
264
int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
265
0
{
266
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
267
0
}
268
269
#ifndef OPENSSL_NO_STDIO
270
X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
271
0
{
272
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
273
0
}
274
275
int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
276
0
{
277
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
278
0
}
279
#endif
280
281
X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
282
0
{
283
0
    OSSL_LIB_CTX *libctx = NULL;
284
0
    const char *propq = NULL;
285
286
0
    if (req != NULL && *req != NULL) {
287
0
        libctx = (*req)->libctx;
288
0
        propq = (*req)->propq;
289
0
    }
290
291
0
    return
292
0
        ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(X509_REQ), bp, req, libctx, propq);
293
0
}
294
295
int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
296
0
{
297
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
298
0
}
299
300
#ifndef OPENSSL_NO_STDIO
301
RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
302
0
{
303
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
304
0
}
305
306
int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
307
0
{
308
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
309
0
}
310
311
RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
312
0
{
313
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
314
0
}
315
316
RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
317
0
{
318
0
    return ASN1_d2i_fp((void *(*)(void))
319
0
                       RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
320
0
                       (void **)rsa);
321
0
}
322
323
int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
324
0
{
325
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
326
0
}
327
328
int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
329
0
{
330
0
    return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
331
0
}
332
#endif
333
334
RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
335
0
{
336
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
337
0
}
338
339
int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
340
0
{
341
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
342
0
}
343
344
RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
345
0
{
346
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
347
0
}
348
349
RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
350
0
{
351
0
    return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
352
0
}
353
354
int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
355
0
{
356
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
357
0
}
358
359
int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
360
0
{
361
0
    return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
362
0
}
363
364
#ifndef OPENSSL_NO_DSA
365
# ifndef OPENSSL_NO_STDIO
366
DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
367
0
{
368
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
369
0
}
370
371
int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
372
0
{
373
0
    return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
374
0
}
375
376
DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
377
0
{
378
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
379
0
}
380
381
int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
382
0
{
383
0
    return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
384
0
}
385
# endif
386
387
DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
388
0
{
389
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
390
0
}
391
392
int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
393
0
{
394
0
    return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
395
0
}
396
397
DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
398
0
{
399
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
400
0
}
401
402
int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
403
0
{
404
0
    return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
405
0
}
406
407
#endif
408
409
#ifndef OPENSSL_NO_EC
410
# ifndef OPENSSL_NO_STDIO
411
EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
412
0
{
413
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
414
0
}
415
416
int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
417
0
{
418
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
419
0
}
420
421
EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
422
0
{
423
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
424
0
}
425
426
int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
427
0
{
428
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
429
0
}
430
# endif
431
EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
432
0
{
433
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
434
0
}
435
436
int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
437
0
{
438
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
439
0
}
440
441
EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
442
0
{
443
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
444
0
}
445
446
int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
447
0
{
448
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
449
0
}
450
#endif
451
452
int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
453
                       unsigned char *md, unsigned int *len)
454
0
{
455
0
    ASN1_BIT_STRING *key = X509_get0_pubkey_bitstr(data);
456
457
0
    if (key == NULL)
458
0
        return 0;
459
0
    return EVP_Digest(key->data, key->length, md, len, type, NULL);
460
0
}
461
462
int X509_digest(const X509 *cert, const EVP_MD *md, unsigned char *data,
463
                unsigned int *len)
464
0
{
465
0
    if (EVP_MD_is_a(md, SN_sha1) && (cert->ex_flags & EXFLAG_SET) != 0
466
0
            && (cert->ex_flags & EXFLAG_NO_FINGERPRINT) == 0) {
467
        /* Asking for SHA1 and we already computed it. */
468
0
        if (len != NULL)
469
0
            *len = sizeof(cert->sha1_hash);
470
0
        memcpy(data, cert->sha1_hash, sizeof(cert->sha1_hash));
471
0
        return 1;
472
0
    }
473
0
    return ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509), md, (char *)cert,
474
0
                                    data, len, cert->libctx, cert->propq);
475
0
}
476
477
/* calculate cert digest using the same hash algorithm as in its signature */
478
ASN1_OCTET_STRING *X509_digest_sig(const X509 *cert,
479
                                   EVP_MD **md_used, int *md_is_fallback)
480
0
{
481
0
    unsigned int len;
482
0
    unsigned char hash[EVP_MAX_MD_SIZE];
483
0
    int mdnid, pknid;
484
0
    EVP_MD *md = NULL;
485
0
    const char *md_name;
486
0
    ASN1_OCTET_STRING *new;
487
488
0
    if (md_used != NULL)
489
0
        *md_used = NULL;
490
0
    if (md_is_fallback != NULL)
491
0
        *md_is_fallback = 0;
492
493
0
    if (cert == NULL) {
494
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
495
0
        return NULL;
496
0
    }
497
498
0
    if (!OBJ_find_sigid_algs(X509_get_signature_nid(cert), &mdnid, &pknid)) {
499
0
        ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_SIGID_ALGS);
500
0
        return NULL;
501
0
    }
502
503
0
    if (mdnid == NID_undef) {
504
0
        if (pknid == EVP_PKEY_RSA_PSS) {
505
0
            RSA_PSS_PARAMS *pss = ossl_rsa_pss_decode(&cert->sig_alg);
506
0
            const EVP_MD *mgf1md, *mmd = NULL;
507
0
            int saltlen, trailerfield;
508
509
0
            if (pss == NULL
510
0
                || !ossl_rsa_pss_get_param_unverified(pss, &mmd, &mgf1md,
511
0
                                                      &saltlen,
512
0
                                                      &trailerfield)
513
0
                || mmd == NULL) {
514
0
                RSA_PSS_PARAMS_free(pss);
515
0
                ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
516
0
                return NULL;
517
0
            }
518
0
            RSA_PSS_PARAMS_free(pss);
519
            /* Fetch explicitly and do not fallback */
520
0
            if ((md = EVP_MD_fetch(cert->libctx, EVP_MD_get0_name(mmd),
521
0
                                   cert->propq)) == NULL)
522
                /* Error code from fetch is sufficient */
523
0
                return NULL;
524
0
        } else if (pknid != NID_undef) {
525
            /* A known algorithm, but without a digest */
526
0
            switch (pknid) {
527
0
            case NID_ED25519: /* Follow CMS default given in RFC8419 */
528
0
                md_name = "SHA512";
529
0
                break;
530
0
            case NID_ED448: /* Follow CMS default given in RFC8419 */
531
0
                md_name = "SHAKE256";
532
0
                break;
533
0
            default: /* Fall back to SHA-256 */
534
0
                md_name = "SHA256";
535
0
                break;
536
0
            }
537
0
            if ((md = EVP_MD_fetch(cert->libctx, md_name,
538
0
                                   cert->propq)) == NULL)
539
0
                return NULL;
540
0
            if (md_is_fallback != NULL)
541
0
                *md_is_fallback = 1;
542
0
        } else {
543
            /* A completely unknown algorithm */
544
0
            ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
545
0
            return NULL;
546
0
        }
547
0
    } else if ((md = EVP_MD_fetch(cert->libctx, OBJ_nid2sn(mdnid),
548
0
                                  cert->propq)) == NULL
549
0
               && (md = (EVP_MD *)EVP_get_digestbynid(mdnid)) == NULL) {
550
0
        ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
551
0
        return NULL;
552
0
    }
553
0
    if (!X509_digest(cert, md, hash, &len)
554
0
            || (new = ASN1_OCTET_STRING_new()) == NULL)
555
0
        goto err;
556
0
    if (ASN1_OCTET_STRING_set(new, hash, len)) {
557
0
        if (md_used != NULL)
558
0
            *md_used = md;
559
0
        else
560
0
            EVP_MD_free(md);
561
0
        return new;
562
0
    }
563
0
    ASN1_OCTET_STRING_free(new);
564
0
 err:
565
0
    EVP_MD_free(md);
566
0
    return NULL;
567
0
}
568
569
int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
570
                    unsigned char *md, unsigned int *len)
571
0
{
572
0
    if (type == NULL) {
573
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
574
0
        return 0;
575
0
    }
576
0
    if (EVP_MD_is_a(type, SN_sha1)
577
0
            && (data->flags & EXFLAG_SET) != 0
578
0
            && (data->flags & EXFLAG_NO_FINGERPRINT) == 0) {
579
        /* Asking for SHA1; always computed in CRL d2i. */
580
0
        if (len != NULL)
581
0
            *len = sizeof(data->sha1_hash);
582
0
        memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
583
0
        return 1;
584
0
    }
585
0
    return
586
0
        ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_CRL), type, (char *)data,
587
0
                                 md, len, data->libctx, data->propq);
588
0
}
589
590
int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
591
                    unsigned char *md, unsigned int *len)
592
0
{
593
0
    return
594
0
        ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_REQ), type, (char *)data,
595
0
                                 md, len, data->libctx, data->propq);
596
0
}
597
598
int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
599
                     unsigned char *md, unsigned int *len)
600
0
{
601
0
    return ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME), type, (char *)data,
602
0
                            md, len);
603
0
}
604
605
int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
606
                                   const EVP_MD *type, unsigned char *md,
607
                                   unsigned int *len)
608
0
{
609
0
    return ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
610
0
                            (char *)data, md, len);
611
0
}
612
613
#ifndef OPENSSL_NO_STDIO
614
X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
615
0
{
616
0
    return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
617
0
}
618
619
int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
620
0
{
621
0
    return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
622
0
}
623
#endif
624
625
X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
626
0
{
627
0
    return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
628
0
}
629
630
int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
631
0
{
632
0
    return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
633
0
}
634
635
#ifndef OPENSSL_NO_STDIO
636
X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
637
0
{
638
0
    return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
639
0
                          fp, xpk);
640
0
}
641
642
int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
643
0
{
644
0
    return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
645
0
}
646
#endif
647
648
X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
649
0
{
650
0
    return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
651
0
                           bp, xpk);
652
0
}
653
654
int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
655
0
{
656
0
    return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
657
0
}
658
659
#ifndef OPENSSL_NO_STDIO
660
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
661
                                                PKCS8_PRIV_KEY_INFO **p8inf)
662
0
{
663
0
    return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
664
0
                          d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
665
0
}
666
667
int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
668
0
{
669
0
    return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
670
0
                          p8inf);
671
0
}
672
673
int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
674
0
{
675
0
    PKCS8_PRIV_KEY_INFO *p8inf;
676
0
    int ret;
677
678
0
    p8inf = EVP_PKEY2PKCS8(key);
679
0
    if (p8inf == NULL)
680
0
        return 0;
681
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
682
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
683
0
    return ret;
684
0
}
685
686
int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
687
0
{
688
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
689
0
}
690
691
EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
692
0
{
693
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
694
0
}
695
696
EVP_PKEY *d2i_PrivateKey_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
697
                               const char *propq)
698
0
{
699
0
    BIO *b;
700
0
    void *ret;
701
702
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
703
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
704
0
        return NULL;
705
0
    }
706
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
707
0
    ret = d2i_PrivateKey_ex_bio(b, a, libctx, propq);
708
0
    BIO_free(b);
709
0
    return ret;
710
0
}
711
712
int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
713
0
{
714
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
715
0
}
716
717
EVP_PKEY *d2i_PUBKEY_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
718
                           const char *propq)
719
0
{
720
0
    BIO *b;
721
0
    void *ret;
722
723
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
724
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
725
0
        return NULL;
726
0
    }
727
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
728
0
    ret = d2i_PUBKEY_ex_bio(b, a, libctx, propq);
729
0
    BIO_free(b);
730
0
    return ret;
731
0
}
732
733
EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
734
0
{
735
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
736
0
}
737
738
#endif
739
740
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
741
                                                 PKCS8_PRIV_KEY_INFO **p8inf)
742
0
{
743
0
    return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
744
0
                           d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
745
0
}
746
747
int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
748
0
{
749
0
    return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
750
0
                           p8inf);
751
0
}
752
753
int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
754
0
{
755
0
    PKCS8_PRIV_KEY_INFO *p8inf;
756
0
    int ret;
757
758
0
    p8inf = EVP_PKEY2PKCS8(key);
759
0
    if (p8inf == NULL)
760
0
        return 0;
761
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
762
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
763
0
    return ret;
764
0
}
765
766
int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
767
0
{
768
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
769
0
}
770
771
EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
772
0
{
773
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
774
0
}
775
776
EVP_PKEY *d2i_PrivateKey_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
777
                                const char *propq)
778
0
{
779
0
    BUF_MEM *b = NULL;
780
0
    const unsigned char *p;
781
0
    void *ret = NULL;
782
0
    int len;
783
784
0
    len = asn1_d2i_read_bio(bp, &b);
785
0
    if (len < 0)
786
0
        goto err;
787
788
0
    p = (unsigned char *)b->data;
789
0
    ret = d2i_AutoPrivateKey_ex(a, &p, len, libctx, propq);
790
0
 err:
791
0
    BUF_MEM_free(b);
792
0
    return ret;
793
0
}
794
795
int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
796
0
{
797
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
798
0
}
799
800
EVP_PKEY *d2i_PUBKEY_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
801
                            const char *propq)
802
0
{
803
0
    BUF_MEM *b = NULL;
804
0
    const unsigned char *p;
805
0
    void *ret = NULL;
806
0
    int len;
807
808
0
    len = asn1_d2i_read_bio(bp, &b);
809
0
    if (len < 0)
810
0
        goto err;
811
812
0
    p = (unsigned char *)b->data;
813
0
    ret = d2i_PUBKEY_ex(a, &p, len, libctx, propq);
814
0
 err:
815
0
    BUF_MEM_free(b);
816
0
    return ret;
817
0
}
818
819
EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
820
0
{
821
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);
822
0
}