Coverage Report

Created: 2025-06-13 06:58

/src/openssl32/crypto/x509/x_all.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 1995-2023 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
2.24k
{
33
2.24k
    if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature) != 0)
34
1.34k
        return 0;
35
36
900
    return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
37
900
                               &a->signature, &a->cert_info,
38
900
                               a->distinguishing_id, r, a->libctx, a->propq);
39
2.24k
}
40
41
int X509_REQ_verify_ex(X509_REQ *a, EVP_PKEY *r, OSSL_LIB_CTX *libctx,
42
                       const char *propq)
43
1.95k
{
44
1.95k
    return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
45
1.95k
                               a->signature, &a->req_info, a->distinguishing_id,
46
1.95k
                               r, libctx, propq);
47
1.95k
}
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
    size_t max_resp_len = (it == ASN1_ITEM_rptr(X509_CRL)) ?
103
0
        OSSL_HTTP_DEFAULT_MAX_CRL_LEN : OSSL_HTTP_DEFAULT_MAX_RESP_LEN;
104
0
    BIO *mem = OSSL_HTTP_get(url, NULL /* proxy */, NULL /* no_proxy */,
105
0
                             bio, rbio, NULL /* cb */, NULL /* arg */,
106
0
                             1024 /* buf_size */, NULL /* headers */,
107
0
                             NULL /* expected_ct */, 1 /* expect_asn1 */,
108
0
                             max_resp_len, timeout);
109
0
    ASN1_VALUE *res = ASN1_item_d2i_bio(it, mem, NULL);
110
111
0
    BIO_free(mem);
112
0
    return res;
113
#else
114
    return 0;
115
#endif
116
0
}
117
118
X509 *X509_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
119
0
{
120
0
    return (X509 *)simple_get_asn1(url, bio, rbio, timeout,
121
0
                                   ASN1_ITEM_rptr(X509));
122
0
}
123
124
int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
125
0
{
126
0
    if (x == NULL) {
127
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
128
0
        return 0;
129
0
    }
130
0
    x->req_info.enc.modified = 1;
131
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
132
0
                             x->signature, &x->req_info, NULL,
133
0
                             pkey, md, x->libctx, x->propq);
134
0
}
135
136
int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
137
0
{
138
0
    if (x == NULL) {
139
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
140
0
        return 0;
141
0
    }
142
0
    x->req_info.enc.modified = 1;
143
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
144
0
                              &x->sig_alg, NULL, x->signature, &x->req_info,
145
0
                              ctx);
146
0
}
147
148
int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
149
0
{
150
0
    if (x == NULL) {
151
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
152
0
        return 0;
153
0
    }
154
0
    x->crl.enc.modified = 1;
155
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
156
0
                             &x->sig_alg, &x->signature, &x->crl, NULL,
157
0
                             pkey, md, x->libctx, x->propq);
158
0
}
159
160
int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
161
0
{
162
0
    if (x == NULL) {
163
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
164
0
        return 0;
165
0
    }
166
0
    x->crl.enc.modified = 1;
167
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
168
0
                              &x->crl.sig_alg, &x->sig_alg, &x->signature,
169
0
                              &x->crl, ctx);
170
0
}
171
172
X509_CRL *X509_CRL_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
173
0
{
174
0
    return (X509_CRL *)simple_get_asn1(url, bio, rbio, timeout,
175
0
                                       ASN1_ITEM_rptr(X509_CRL));
176
0
}
177
178
int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
179
0
{
180
0
    return
181
0
        ASN1_item_sign_ex(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
182
0
                          x->signature, x->spkac, NULL, pkey, md, NULL, NULL);
183
0
}
184
185
#ifndef OPENSSL_NO_STDIO
186
X509 *d2i_X509_fp(FILE *fp, X509 **x509)
187
0
{
188
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
189
0
}
190
191
int i2d_X509_fp(FILE *fp, const X509 *x509)
192
0
{
193
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
194
0
}
195
#endif
196
197
X509 *d2i_X509_bio(BIO *bp, X509 **x509)
198
0
{
199
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
200
0
}
201
202
int i2d_X509_bio(BIO *bp, const X509 *x509)
203
0
{
204
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
205
0
}
206
207
#ifndef OPENSSL_NO_STDIO
208
X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
209
0
{
210
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
211
0
}
212
213
int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
214
0
{
215
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
216
0
}
217
#endif
218
219
X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
220
0
{
221
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
222
0
}
223
224
int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
225
0
{
226
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
227
0
}
228
229
#ifndef OPENSSL_NO_STDIO
230
PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
231
0
{
232
0
    PKCS7 *ret;
233
0
    OSSL_LIB_CTX *libctx = NULL;
234
0
    const char *propq = NULL;
235
236
0
    if (p7 != NULL && *p7 != NULL) {
237
0
        libctx = (*p7)->ctx.libctx;
238
0
        propq = (*p7)->ctx.propq;
239
0
    }
240
241
0
    ret = ASN1_item_d2i_fp_ex(ASN1_ITEM_rptr(PKCS7), fp, p7, libctx, propq);
242
0
    if (ret != NULL)
243
0
        ossl_pkcs7_resolve_libctx(ret);
244
0
    return ret;
245
0
}
246
247
int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
248
0
{
249
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
250
0
}
251
#endif
252
253
PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
254
0
{
255
0
    PKCS7 *ret;
256
0
    OSSL_LIB_CTX *libctx = NULL;
257
0
    const char *propq = NULL;
258
259
0
    if (p7 != NULL && *p7 != NULL) {
260
0
        libctx = (*p7)->ctx.libctx;
261
0
        propq = (*p7)->ctx.propq;
262
0
    }
263
264
0
    ret = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(PKCS7), bp, p7, libctx, propq);
265
0
    if (ret != NULL)
266
0
        ossl_pkcs7_resolve_libctx(ret);
267
0
    return ret;
268
0
}
269
270
int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
271
0
{
272
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
273
0
}
274
275
#ifndef OPENSSL_NO_STDIO
276
X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
277
0
{
278
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
279
0
}
280
281
int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
282
0
{
283
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
284
0
}
285
#endif
286
287
X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
288
0
{
289
0
    OSSL_LIB_CTX *libctx = NULL;
290
0
    const char *propq = NULL;
291
292
0
    if (req != NULL && *req != NULL) {
293
0
        libctx = (*req)->libctx;
294
0
        propq = (*req)->propq;
295
0
    }
296
297
0
    return
298
0
        ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(X509_REQ), bp, req, libctx, propq);
299
0
}
300
301
int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
302
0
{
303
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
304
0
}
305
306
#ifndef OPENSSL_NO_STDIO
307
RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
308
0
{
309
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
310
0
}
311
312
int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
313
0
{
314
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
315
0
}
316
317
RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
318
0
{
319
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
320
0
}
321
322
RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
323
0
{
324
0
    return ASN1_d2i_fp((void *(*)(void))
325
0
                       RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
326
0
                       (void **)rsa);
327
0
}
328
329
int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
330
0
{
331
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
332
0
}
333
334
int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
335
0
{
336
0
    return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
337
0
}
338
#endif
339
340
RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
341
0
{
342
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
343
0
}
344
345
int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
346
0
{
347
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
348
0
}
349
350
RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
351
0
{
352
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
353
0
}
354
355
RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
356
0
{
357
0
    return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
358
0
}
359
360
int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
361
0
{
362
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
363
0
}
364
365
int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
366
0
{
367
0
    return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
368
0
}
369
370
#ifndef OPENSSL_NO_DSA
371
# ifndef OPENSSL_NO_STDIO
372
DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
373
0
{
374
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
375
0
}
376
377
int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
378
0
{
379
0
    return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
380
0
}
381
382
DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
383
0
{
384
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
385
0
}
386
387
int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
388
0
{
389
0
    return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
390
0
}
391
# endif
392
393
DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
394
0
{
395
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
396
0
}
397
398
int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
399
0
{
400
0
    return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
401
0
}
402
403
DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
404
0
{
405
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
406
0
}
407
408
int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
409
0
{
410
0
    return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
411
0
}
412
413
#endif
414
415
#ifndef OPENSSL_NO_EC
416
# ifndef OPENSSL_NO_STDIO
417
EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
418
0
{
419
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
420
0
}
421
422
int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
423
0
{
424
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
425
0
}
426
427
EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
428
0
{
429
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
430
0
}
431
432
int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
433
0
{
434
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
435
0
}
436
# endif
437
EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
438
0
{
439
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
440
0
}
441
442
int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
443
0
{
444
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
445
0
}
446
447
EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
448
0
{
449
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
450
0
}
451
452
int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
453
0
{
454
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
455
0
}
456
#endif
457
458
int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
459
                       unsigned char *md, unsigned int *len)
460
71
{
461
71
    ASN1_BIT_STRING *key = X509_get0_pubkey_bitstr(data);
462
463
71
    if (key == NULL)
464
0
        return 0;
465
71
    return EVP_Digest(key->data, key->length, md, len, type, NULL);
466
71
}
467
468
int X509_digest(const X509 *cert, const EVP_MD *md, unsigned char *data,
469
                unsigned int *len)
470
108k
{
471
108k
    if (EVP_MD_is_a(md, SN_sha1) && (cert->ex_flags & EXFLAG_SET) != 0
472
108k
            && (cert->ex_flags & EXFLAG_NO_FINGERPRINT) == 0) {
473
        /* Asking for SHA1 and we already computed it. */
474
0
        if (len != NULL)
475
0
            *len = sizeof(cert->sha1_hash);
476
0
        memcpy(data, cert->sha1_hash, sizeof(cert->sha1_hash));
477
0
        return 1;
478
0
    }
479
108k
    return ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509), md, (char *)cert,
480
108k
                                    data, len, cert->libctx, cert->propq);
481
108k
}
482
483
/* calculate cert digest using the same hash algorithm as in its signature */
484
ASN1_OCTET_STRING *X509_digest_sig(const X509 *cert,
485
                                   EVP_MD **md_used, int *md_is_fallback)
486
0
{
487
0
    unsigned int len;
488
0
    unsigned char hash[EVP_MAX_MD_SIZE];
489
0
    int mdnid, pknid;
490
0
    EVP_MD *md = NULL;
491
0
    const char *md_name;
492
0
    ASN1_OCTET_STRING *new;
493
494
0
    if (md_used != NULL)
495
0
        *md_used = NULL;
496
0
    if (md_is_fallback != NULL)
497
0
        *md_is_fallback = 0;
498
499
0
    if (cert == NULL) {
500
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
501
0
        return NULL;
502
0
    }
503
504
0
    if (!OBJ_find_sigid_algs(X509_get_signature_nid(cert), &mdnid, &pknid)) {
505
0
        ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_SIGID_ALGS);
506
0
        return NULL;
507
0
    }
508
509
0
    if (mdnid == NID_undef) {
510
0
        if (pknid == EVP_PKEY_RSA_PSS) {
511
0
            RSA_PSS_PARAMS *pss = ossl_rsa_pss_decode(&cert->sig_alg);
512
0
            const EVP_MD *mgf1md, *mmd = NULL;
513
0
            int saltlen, trailerfield;
514
515
0
            if (pss == NULL
516
0
                || !ossl_rsa_pss_get_param_unverified(pss, &mmd, &mgf1md,
517
0
                                                      &saltlen,
518
0
                                                      &trailerfield)
519
0
                || mmd == NULL) {
520
0
                RSA_PSS_PARAMS_free(pss);
521
0
                ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
522
0
                return NULL;
523
0
            }
524
0
            RSA_PSS_PARAMS_free(pss);
525
            /* Fetch explicitly and do not fallback */
526
0
            if ((md = EVP_MD_fetch(cert->libctx, EVP_MD_get0_name(mmd),
527
0
                                   cert->propq)) == NULL)
528
                /* Error code from fetch is sufficient */
529
0
                return NULL;
530
0
        } else if (pknid != NID_undef) {
531
            /* A known algorithm, but without a digest */
532
0
            switch (pknid) {
533
0
            case NID_ED25519: /* Follow CMS default given in RFC8419 */
534
0
                md_name = "SHA512";
535
0
                break;
536
0
            case NID_ED448: /* Follow CMS default given in RFC8419 */
537
0
                md_name = "SHAKE256";
538
0
                break;
539
0
            default: /* Fall back to SHA-256 */
540
0
                md_name = "SHA256";
541
0
                break;
542
0
            }
543
0
            if ((md = EVP_MD_fetch(cert->libctx, md_name,
544
0
                                   cert->propq)) == NULL)
545
0
                return NULL;
546
0
            if (md_is_fallback != NULL)
547
0
                *md_is_fallback = 1;
548
0
        } else {
549
            /* A completely unknown algorithm */
550
0
            ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
551
0
            return NULL;
552
0
        }
553
0
    } else if ((md = EVP_MD_fetch(cert->libctx, OBJ_nid2sn(mdnid),
554
0
                                  cert->propq)) == NULL
555
0
               && (md = (EVP_MD *)EVP_get_digestbynid(mdnid)) == NULL) {
556
0
        ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
557
0
        return NULL;
558
0
    }
559
0
    if (!X509_digest(cert, md, hash, &len)
560
0
            || (new = ASN1_OCTET_STRING_new()) == NULL)
561
0
        goto err;
562
0
    if (ASN1_OCTET_STRING_set(new, hash, len)) {
563
0
        if (md_used != NULL)
564
0
            *md_used = md;
565
0
        else
566
0
            EVP_MD_free(md);
567
0
        return new;
568
0
    }
569
0
    ASN1_OCTET_STRING_free(new);
570
0
 err:
571
0
    EVP_MD_free(md);
572
0
    return NULL;
573
0
}
574
575
int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
576
                    unsigned char *md, unsigned int *len)
577
176k
{
578
176k
    if (type == NULL) {
579
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
580
0
        return 0;
581
0
    }
582
176k
    if (EVP_MD_is_a(type, SN_sha1)
583
176k
            && (data->flags & EXFLAG_SET) != 0
584
176k
            && (data->flags & EXFLAG_NO_FINGERPRINT) == 0) {
585
        /* Asking for SHA1; always computed in CRL d2i. */
586
0
        if (len != NULL)
587
0
            *len = sizeof(data->sha1_hash);
588
0
        memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
589
0
        return 1;
590
0
    }
591
176k
    return
592
176k
        ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_CRL), type, (char *)data,
593
176k
                                 md, len, data->libctx, data->propq);
594
176k
}
595
596
int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
597
                    unsigned char *md, unsigned int *len)
598
0
{
599
0
    return
600
0
        ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_REQ), type, (char *)data,
601
0
                                 md, len, data->libctx, data->propq);
602
0
}
603
604
int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
605
                     unsigned char *md, unsigned int *len)
606
626
{
607
626
    return ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME), type, (char *)data,
608
626
                            md, len);
609
626
}
610
611
int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
612
                                   const EVP_MD *type, unsigned char *md,
613
                                   unsigned int *len)
614
0
{
615
0
    return ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
616
0
                            (char *)data, md, len);
617
0
}
618
619
#ifndef OPENSSL_NO_STDIO
620
X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
621
0
{
622
0
    return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
623
0
}
624
625
int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
626
0
{
627
0
    return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
628
0
}
629
#endif
630
631
X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
632
0
{
633
0
    return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
634
0
}
635
636
int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
637
0
{
638
0
    return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
639
0
}
640
641
#ifndef OPENSSL_NO_STDIO
642
X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
643
0
{
644
0
    return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
645
0
                          fp, xpk);
646
0
}
647
648
int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
649
0
{
650
0
    return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
651
0
}
652
#endif
653
654
X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
655
0
{
656
0
    return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
657
0
                           bp, xpk);
658
0
}
659
660
int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
661
0
{
662
0
    return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
663
0
}
664
665
#ifndef OPENSSL_NO_STDIO
666
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
667
                                                PKCS8_PRIV_KEY_INFO **p8inf)
668
0
{
669
0
    return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
670
0
                          d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
671
0
}
672
673
int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
674
0
{
675
0
    return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
676
0
                          p8inf);
677
0
}
678
679
int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
680
0
{
681
0
    PKCS8_PRIV_KEY_INFO *p8inf;
682
0
    int ret;
683
684
0
    p8inf = EVP_PKEY2PKCS8(key);
685
0
    if (p8inf == NULL)
686
0
        return 0;
687
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
688
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
689
0
    return ret;
690
0
}
691
692
int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
693
0
{
694
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
695
0
}
696
697
EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
698
0
{
699
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
700
0
}
701
702
EVP_PKEY *d2i_PrivateKey_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
703
                               const char *propq)
704
0
{
705
0
    BIO *b;
706
0
    void *ret;
707
708
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
709
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
710
0
        return NULL;
711
0
    }
712
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
713
0
    ret = d2i_PrivateKey_ex_bio(b, a, libctx, propq);
714
0
    BIO_free(b);
715
0
    return ret;
716
0
}
717
718
int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
719
0
{
720
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
721
0
}
722
723
EVP_PKEY *d2i_PUBKEY_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
724
                           const char *propq)
725
0
{
726
0
    BIO *b;
727
0
    void *ret;
728
729
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
730
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
731
0
        return NULL;
732
0
    }
733
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
734
0
    ret = d2i_PUBKEY_ex_bio(b, a, libctx, propq);
735
0
    BIO_free(b);
736
0
    return ret;
737
0
}
738
739
EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
740
0
{
741
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
742
0
}
743
744
#endif
745
746
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
747
                                                 PKCS8_PRIV_KEY_INFO **p8inf)
748
0
{
749
0
    return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
750
0
                           d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
751
0
}
752
753
int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
754
105
{
755
105
    return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
756
105
                           p8inf);
757
105
}
758
759
int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
760
0
{
761
0
    PKCS8_PRIV_KEY_INFO *p8inf;
762
0
    int ret;
763
764
0
    p8inf = EVP_PKEY2PKCS8(key);
765
0
    if (p8inf == NULL)
766
0
        return 0;
767
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
768
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
769
0
    return ret;
770
0
}
771
772
int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
773
0
{
774
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
775
0
}
776
777
EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
778
0
{
779
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
780
0
}
781
782
EVP_PKEY *d2i_PrivateKey_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
783
                                const char *propq)
784
0
{
785
0
    BUF_MEM *b = NULL;
786
0
    const unsigned char *p;
787
0
    void *ret = NULL;
788
0
    int len;
789
790
0
    len = asn1_d2i_read_bio(bp, &b);
791
0
    if (len < 0)
792
0
        goto err;
793
794
0
    p = (unsigned char *)b->data;
795
0
    ret = d2i_AutoPrivateKey_ex(a, &p, len, libctx, propq);
796
0
 err:
797
0
    BUF_MEM_free(b);
798
0
    return ret;
799
0
}
800
801
int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
802
0
{
803
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
804
0
}
805
806
EVP_PKEY *d2i_PUBKEY_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
807
                            const char *propq)
808
0
{
809
0
    BUF_MEM *b = NULL;
810
0
    const unsigned char *p;
811
0
    void *ret = NULL;
812
0
    int len;
813
814
0
    len = asn1_d2i_read_bio(bp, &b);
815
0
    if (len < 0)
816
0
        goto err;
817
818
0
    p = (unsigned char *)b->data;
819
0
    ret = d2i_PUBKEY_ex(a, &p, len, libctx, propq);
820
0
 err:
821
0
    BUF_MEM_free(b);
822
0
    return ret;
823
0
}
824
825
EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
826
0
{
827
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);
828
0
}