Coverage Report

Created: 2023-06-08 06:40

/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
#ifndef OPENSSL_NO_HTTP
102
0
    BIO *mem = OSSL_HTTP_get(url, NULL /* proxy */, NULL /* no_proxy */,
103
0
                             bio, rbio, NULL /* cb */, NULL /* arg */,
104
0
                             1024 /* buf_size */, NULL /* headers */,
105
0
                             NULL /* expected_ct */, 1 /* expect_asn1 */,
106
0
                             OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
107
0
    ASN1_VALUE *res = ASN1_item_d2i_bio(it, mem, NULL);
108
109
0
    BIO_free(mem);
110
0
    return res;
111
#else
112
    return 0;
113
#endif
114
0
}
115
116
X509 *X509_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
117
0
{
118
0
    return (X509 *)simple_get_asn1(url, bio, rbio, timeout,
119
0
                                   ASN1_ITEM_rptr(X509));
120
0
}
121
122
int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
123
0
{
124
0
    if (x == NULL) {
125
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
126
0
        return 0;
127
0
    }
128
0
    x->req_info.enc.modified = 1;
129
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
130
0
                             x->signature, &x->req_info, NULL,
131
0
                             pkey, md, x->libctx, x->propq);
132
0
}
133
134
int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
135
0
{
136
0
    if (x == NULL) {
137
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
138
0
        return 0;
139
0
    }
140
0
    x->req_info.enc.modified = 1;
141
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
142
0
                              &x->sig_alg, NULL, x->signature, &x->req_info,
143
0
                              ctx);
144
0
}
145
146
int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
147
0
{
148
0
    if (x == NULL) {
149
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
150
0
        return 0;
151
0
    }
152
0
    x->crl.enc.modified = 1;
153
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
154
0
                             &x->sig_alg, &x->signature, &x->crl, NULL,
155
0
                             pkey, md, x->libctx, x->propq);
156
0
}
157
158
int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
159
0
{
160
0
    if (x == NULL) {
161
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
162
0
        return 0;
163
0
    }
164
0
    x->crl.enc.modified = 1;
165
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
166
0
                              &x->crl.sig_alg, &x->sig_alg, &x->signature,
167
0
                              &x->crl, ctx);
168
0
}
169
170
X509_CRL *X509_CRL_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
171
0
{
172
0
    return (X509_CRL *)simple_get_asn1(url, bio, rbio, timeout,
173
0
                                       ASN1_ITEM_rptr(X509_CRL));
174
0
}
175
176
int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
177
0
{
178
0
    return
179
0
        ASN1_item_sign_ex(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
180
0
                          x->signature, x->spkac, NULL, pkey, md, NULL, NULL);
181
0
}
182
183
#ifndef OPENSSL_NO_STDIO
184
X509 *d2i_X509_fp(FILE *fp, X509 **x509)
185
0
{
186
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
187
0
}
188
189
int i2d_X509_fp(FILE *fp, const X509 *x509)
190
0
{
191
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
192
0
}
193
#endif
194
195
X509 *d2i_X509_bio(BIO *bp, X509 **x509)
196
0
{
197
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
198
0
}
199
200
int i2d_X509_bio(BIO *bp, const X509 *x509)
201
0
{
202
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
203
0
}
204
205
#ifndef OPENSSL_NO_STDIO
206
X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
207
0
{
208
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
209
0
}
210
211
int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
212
0
{
213
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
214
0
}
215
#endif
216
217
X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
218
0
{
219
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
220
0
}
221
222
int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
223
0
{
224
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
225
0
}
226
227
#ifndef OPENSSL_NO_STDIO
228
PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
229
0
{
230
0
    PKCS7 *ret;
231
0
    OSSL_LIB_CTX *libctx = NULL;
232
0
    const char *propq = NULL;
233
234
0
    if (p7 != NULL && *p7 != NULL) {
235
0
        libctx = (*p7)->ctx.libctx;
236
0
        propq = (*p7)->ctx.propq;
237
0
    }
238
239
0
    ret = ASN1_item_d2i_fp_ex(ASN1_ITEM_rptr(PKCS7), fp, p7, libctx, propq);
240
0
    if (ret != NULL)
241
0
        ossl_pkcs7_resolve_libctx(ret);
242
0
    return ret;
243
0
}
244
245
int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
246
0
{
247
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
248
0
}
249
#endif
250
251
PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
252
0
{
253
0
    PKCS7 *ret;
254
0
    OSSL_LIB_CTX *libctx = NULL;
255
0
    const char *propq = NULL;
256
257
0
    if (p7 != NULL && *p7 != NULL) {
258
0
        libctx = (*p7)->ctx.libctx;
259
0
        propq = (*p7)->ctx.propq;
260
0
    }
261
262
0
    ret = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(PKCS7), bp, p7, libctx, propq);
263
0
    if (ret != NULL)
264
0
        ossl_pkcs7_resolve_libctx(ret);
265
0
    return ret;
266
0
}
267
268
int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
269
0
{
270
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
271
0
}
272
273
#ifndef OPENSSL_NO_STDIO
274
X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
275
0
{
276
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
277
0
}
278
279
int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
280
0
{
281
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
282
0
}
283
#endif
284
285
X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
286
0
{
287
0
    OSSL_LIB_CTX *libctx = NULL;
288
0
    const char *propq = NULL;
289
290
0
    if (req != NULL && *req != NULL) {
291
0
        libctx = (*req)->libctx;
292
0
        propq = (*req)->propq;
293
0
    }
294
295
0
    return
296
0
        ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(X509_REQ), bp, req, libctx, propq);
297
0
}
298
299
int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
300
0
{
301
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
302
0
}
303
304
#ifndef OPENSSL_NO_STDIO
305
RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
306
0
{
307
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
308
0
}
309
310
int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
311
0
{
312
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
313
0
}
314
315
RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
316
0
{
317
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
318
0
}
319
320
RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
321
0
{
322
0
    return ASN1_d2i_fp((void *(*)(void))
323
0
                       RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
324
0
                       (void **)rsa);
325
0
}
326
327
int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
328
0
{
329
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
330
0
}
331
332
int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
333
0
{
334
0
    return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
335
0
}
336
#endif
337
338
RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
339
0
{
340
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
341
0
}
342
343
int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
344
0
{
345
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
346
0
}
347
348
RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
349
0
{
350
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
351
0
}
352
353
RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
354
0
{
355
0
    return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
356
0
}
357
358
int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
359
0
{
360
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
361
0
}
362
363
int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
364
0
{
365
0
    return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
366
0
}
367
368
#ifndef OPENSSL_NO_DSA
369
# ifndef OPENSSL_NO_STDIO
370
DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
371
0
{
372
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
373
0
}
374
375
int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
376
0
{
377
0
    return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
378
0
}
379
380
DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
381
0
{
382
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
383
0
}
384
385
int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
386
0
{
387
0
    return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
388
0
}
389
# endif
390
391
DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
392
0
{
393
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
394
0
}
395
396
int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
397
0
{
398
0
    return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
399
0
}
400
401
DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
402
0
{
403
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
404
0
}
405
406
int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
407
0
{
408
0
    return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
409
0
}
410
411
#endif
412
413
#ifndef OPENSSL_NO_EC
414
# ifndef OPENSSL_NO_STDIO
415
EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
416
0
{
417
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
418
0
}
419
420
int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
421
0
{
422
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
423
0
}
424
425
EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
426
0
{
427
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
428
0
}
429
430
int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
431
0
{
432
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
433
0
}
434
# endif
435
EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
436
0
{
437
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
438
0
}
439
440
int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
441
0
{
442
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
443
0
}
444
445
EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
446
0
{
447
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
448
0
}
449
450
int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
451
0
{
452
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
453
0
}
454
#endif
455
456
int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
457
                       unsigned char *md, unsigned int *len)
458
0
{
459
0
    ASN1_BIT_STRING *key = X509_get0_pubkey_bitstr(data);
460
461
0
    if (key == NULL)
462
0
        return 0;
463
0
    return EVP_Digest(key->data, key->length, md, len, type, NULL);
464
0
}
465
466
int X509_digest(const X509 *cert, const EVP_MD *md, unsigned char *data,
467
                unsigned int *len)
468
0
{
469
0
    if (EVP_MD_is_a(md, SN_sha1) && (cert->ex_flags & EXFLAG_SET) != 0
470
0
            && (cert->ex_flags & EXFLAG_NO_FINGERPRINT) == 0) {
471
        /* Asking for SHA1 and we already computed it. */
472
0
        if (len != NULL)
473
0
            *len = sizeof(cert->sha1_hash);
474
0
        memcpy(data, cert->sha1_hash, sizeof(cert->sha1_hash));
475
0
        return 1;
476
0
    }
477
0
    return ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509), md, (char *)cert,
478
0
                                    data, len, cert->libctx, cert->propq);
479
0
}
480
481
/* calculate cert digest using the same hash algorithm as in its signature */
482
ASN1_OCTET_STRING *X509_digest_sig(const X509 *cert,
483
                                   EVP_MD **md_used, int *md_is_fallback)
484
0
{
485
0
    unsigned int len;
486
0
    unsigned char hash[EVP_MAX_MD_SIZE];
487
0
    int mdnid, pknid;
488
0
    EVP_MD *md = NULL;
489
0
    const char *md_name;
490
0
    ASN1_OCTET_STRING *new;
491
492
0
    if (md_used != NULL)
493
0
        *md_used = NULL;
494
0
    if (md_is_fallback != NULL)
495
0
        *md_is_fallback = 0;
496
497
0
    if (cert == NULL) {
498
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
499
0
        return NULL;
500
0
    }
501
502
0
    if (!OBJ_find_sigid_algs(X509_get_signature_nid(cert), &mdnid, &pknid)) {
503
0
        ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_SIGID_ALGS);
504
0
        return NULL;
505
0
    }
506
507
0
    if (mdnid == NID_undef) {
508
0
        if (pknid == EVP_PKEY_RSA_PSS) {
509
0
            RSA_PSS_PARAMS *pss = ossl_rsa_pss_decode(&cert->sig_alg);
510
0
            const EVP_MD *mgf1md, *mmd = NULL;
511
0
            int saltlen, trailerfield;
512
513
0
            if (pss == NULL
514
0
                || !ossl_rsa_pss_get_param_unverified(pss, &mmd, &mgf1md,
515
0
                                                      &saltlen,
516
0
                                                      &trailerfield)
517
0
                || mmd == NULL) {
518
0
                RSA_PSS_PARAMS_free(pss);
519
0
                ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
520
0
                return NULL;
521
0
            }
522
0
            RSA_PSS_PARAMS_free(pss);
523
            /* Fetch explicitly and do not fallback */
524
0
            if ((md = EVP_MD_fetch(cert->libctx, EVP_MD_get0_name(mmd),
525
0
                                   cert->propq)) == NULL)
526
                /* Error code from fetch is sufficient */
527
0
                return NULL;
528
0
        } else if (pknid != NID_undef) {
529
            /* A known algorithm, but without a digest */
530
0
            switch (pknid) {
531
0
            case NID_ED25519: /* Follow CMS default given in RFC8419 */
532
0
                md_name = "SHA512";
533
0
                break;
534
0
            case NID_ED448: /* Follow CMS default given in RFC8419 */
535
0
                md_name = "SHAKE256";
536
0
                break;
537
0
            default: /* Fall back to SHA-256 */
538
0
                md_name = "SHA256";
539
0
                break;
540
0
            }
541
0
            if ((md = EVP_MD_fetch(cert->libctx, md_name,
542
0
                                   cert->propq)) == NULL)
543
0
                return NULL;
544
0
            if (md_is_fallback != NULL)
545
0
                *md_is_fallback = 1;
546
0
        } else {
547
            /* A completely unknown algorithm */
548
0
            ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
549
0
            return NULL;
550
0
        }
551
0
    } else if ((md = EVP_MD_fetch(cert->libctx, OBJ_nid2sn(mdnid),
552
0
                                  cert->propq)) == NULL
553
0
               && (md = (EVP_MD *)EVP_get_digestbynid(mdnid)) == NULL) {
554
0
        ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
555
0
        return NULL;
556
0
    }
557
0
    if (!X509_digest(cert, md, hash, &len)
558
0
            || (new = ASN1_OCTET_STRING_new()) == NULL)
559
0
        goto err;
560
0
    if (ASN1_OCTET_STRING_set(new, hash, len)) {
561
0
        if (md_used != NULL)
562
0
            *md_used = md;
563
0
        else
564
0
            EVP_MD_free(md);
565
0
        return new;
566
0
    }
567
0
    ASN1_OCTET_STRING_free(new);
568
0
 err:
569
0
    EVP_MD_free(md);
570
0
    return NULL;
571
0
}
572
573
int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
574
                    unsigned char *md, unsigned int *len)
575
0
{
576
0
    if (type == NULL) {
577
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
578
0
        return 0;
579
0
    }
580
0
    if (EVP_MD_is_a(type, SN_sha1)
581
0
            && (data->flags & EXFLAG_SET) != 0
582
0
            && (data->flags & EXFLAG_NO_FINGERPRINT) == 0) {
583
        /* Asking for SHA1; always computed in CRL d2i. */
584
0
        if (len != NULL)
585
0
            *len = sizeof(data->sha1_hash);
586
0
        memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
587
0
        return 1;
588
0
    }
589
0
    return
590
0
        ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_CRL), type, (char *)data,
591
0
                                 md, len, data->libctx, data->propq);
592
0
}
593
594
int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
595
                    unsigned char *md, unsigned int *len)
596
0
{
597
0
    return
598
0
        ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_REQ), type, (char *)data,
599
0
                                 md, len, data->libctx, data->propq);
600
0
}
601
602
int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
603
                     unsigned char *md, unsigned int *len)
604
0
{
605
0
    return ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME), type, (char *)data,
606
0
                            md, len);
607
0
}
608
609
int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
610
                                   const EVP_MD *type, unsigned char *md,
611
                                   unsigned int *len)
612
0
{
613
0
    return ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
614
0
                            (char *)data, md, len);
615
0
}
616
617
#ifndef OPENSSL_NO_STDIO
618
X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
619
0
{
620
0
    return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
621
0
}
622
623
int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
624
0
{
625
0
    return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
626
0
}
627
#endif
628
629
X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
630
0
{
631
0
    return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
632
0
}
633
634
int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
635
0
{
636
0
    return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
637
0
}
638
639
#ifndef OPENSSL_NO_STDIO
640
X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
641
0
{
642
0
    return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
643
0
                          fp, xpk);
644
0
}
645
646
int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
647
0
{
648
0
    return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
649
0
}
650
#endif
651
652
X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
653
0
{
654
0
    return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
655
0
                           bp, xpk);
656
0
}
657
658
int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
659
0
{
660
0
    return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
661
0
}
662
663
#ifndef OPENSSL_NO_STDIO
664
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
665
                                                PKCS8_PRIV_KEY_INFO **p8inf)
666
0
{
667
0
    return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
668
0
                          d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
669
0
}
670
671
int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
672
0
{
673
0
    return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
674
0
                          p8inf);
675
0
}
676
677
int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
678
0
{
679
0
    PKCS8_PRIV_KEY_INFO *p8inf;
680
0
    int ret;
681
682
0
    p8inf = EVP_PKEY2PKCS8(key);
683
0
    if (p8inf == NULL)
684
0
        return 0;
685
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
686
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
687
0
    return ret;
688
0
}
689
690
int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
691
0
{
692
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
693
0
}
694
695
EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
696
0
{
697
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
698
0
}
699
700
EVP_PKEY *d2i_PrivateKey_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
701
                               const char *propq)
702
0
{
703
0
    BIO *b;
704
0
    void *ret;
705
706
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
707
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
708
0
        return NULL;
709
0
    }
710
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
711
0
    ret = d2i_PrivateKey_ex_bio(b, a, libctx, propq);
712
0
    BIO_free(b);
713
0
    return ret;
714
0
}
715
716
int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
717
0
{
718
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
719
0
}
720
721
EVP_PKEY *d2i_PUBKEY_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
722
                           const char *propq)
723
0
{
724
0
    BIO *b;
725
0
    void *ret;
726
727
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
728
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
729
0
        return NULL;
730
0
    }
731
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
732
0
    ret = d2i_PUBKEY_ex_bio(b, a, libctx, propq);
733
0
    BIO_free(b);
734
0
    return ret;
735
0
}
736
737
EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
738
0
{
739
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
740
0
}
741
742
#endif
743
744
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
745
                                                 PKCS8_PRIV_KEY_INFO **p8inf)
746
0
{
747
0
    return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
748
0
                           d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
749
0
}
750
751
int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
752
0
{
753
0
    return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
754
0
                           p8inf);
755
0
}
756
757
int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
758
0
{
759
0
    PKCS8_PRIV_KEY_INFO *p8inf;
760
0
    int ret;
761
762
0
    p8inf = EVP_PKEY2PKCS8(key);
763
0
    if (p8inf == NULL)
764
0
        return 0;
765
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
766
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
767
0
    return ret;
768
0
}
769
770
int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
771
0
{
772
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
773
0
}
774
775
EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
776
0
{
777
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
778
0
}
779
780
EVP_PKEY *d2i_PrivateKey_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
781
                                const char *propq)
782
0
{
783
0
    BUF_MEM *b = NULL;
784
0
    const unsigned char *p;
785
0
    void *ret = NULL;
786
0
    int len;
787
788
0
    len = asn1_d2i_read_bio(bp, &b);
789
0
    if (len < 0)
790
0
        goto err;
791
792
0
    p = (unsigned char *)b->data;
793
0
    ret = d2i_AutoPrivateKey_ex(a, &p, len, libctx, propq);
794
0
 err:
795
0
    BUF_MEM_free(b);
796
0
    return ret;
797
0
}
798
799
int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
800
0
{
801
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
802
0
}
803
804
EVP_PKEY *d2i_PUBKEY_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
805
                            const char *propq)
806
0
{
807
0
    BUF_MEM *b = NULL;
808
0
    const unsigned char *p;
809
0
    void *ret = NULL;
810
0
    int len;
811
812
0
    len = asn1_d2i_read_bio(bp, &b);
813
0
    if (len < 0)
814
0
        goto err;
815
816
0
    p = (unsigned char *)b->data;
817
0
    ret = d2i_PUBKEY_ex(a, &p, len, libctx, propq);
818
0
 err:
819
0
    BUF_MEM_free(b);
820
0
    return ret;
821
0
}
822
823
EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
824
0
{
825
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);
826
0
}