Coverage Report

Created: 2023-06-08 06:41

/src/openssl30/crypto/x509/x_all.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 1995-2022 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
786
{
44
786
    return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
45
786
                               a->signature, &a->req_info, a->distinguishing_id,
46
786
                               r, libctx, propq);
47
786
}
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
67
    /*
68
     * Setting the modified flag before signing it. This makes the cached
69
     * encoding to be ignored, so even if the certificate fields have changed,
70
     * they are signed correctly.
71
     * The X509_sign_ctx, X509_REQ_sign{,_ctx}, X509_CRL_sign{,_ctx} functions
72
     * which exist below are the same.
73
     */
74
0
    x->cert_info.enc.modified = 1;
75
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_CINF), &x->cert_info.signature,
76
0
                             &x->sig_alg, &x->signature, &x->cert_info, NULL,
77
0
                             pkey, md, x->libctx, x->propq);
78
0
}
79
80
int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
81
0
{
82
0
    if (x == NULL) {
83
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
84
0
        return 0;
85
0
    }
86
0
    x->cert_info.enc.modified = 1;
87
0
    return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
88
0
                              &x->cert_info.signature,
89
0
                              &x->sig_alg, &x->signature, &x->cert_info, ctx);
90
0
}
91
92
static ASN1_VALUE *simple_get_asn1(const char *url, BIO *bio, BIO *rbio,
93
                                   int timeout, const ASN1_ITEM *it)
94
0
{
95
0
    BIO *mem = OSSL_HTTP_get(url, NULL /* proxy */, NULL /* no_proxy */,
96
0
                             bio, rbio, NULL /* cb */, NULL /* arg */,
97
0
                             1024 /* buf_size */, NULL /* headers */,
98
0
                             NULL /* expected_ct */, 1 /* expect_asn1 */,
99
0
                             OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
100
0
    ASN1_VALUE *res = ASN1_item_d2i_bio(it, mem, NULL);
101
102
0
    BIO_free(mem);
103
0
    return res;
104
0
}
105
106
X509 *X509_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
107
0
{
108
0
    return (X509 *)simple_get_asn1(url, bio, rbio, timeout,
109
0
                                   ASN1_ITEM_rptr(X509));
110
0
}
111
112
int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
113
0
{
114
0
    if (x == NULL) {
115
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
116
0
        return 0;
117
0
    }
118
0
    x->req_info.enc.modified = 1;
119
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
120
0
                             x->signature, &x->req_info, NULL,
121
0
                             pkey, md, x->libctx, x->propq);
122
0
}
123
124
int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
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_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
132
0
                              &x->sig_alg, NULL, x->signature, &x->req_info,
133
0
                              ctx);
134
0
}
135
136
int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
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->crl.enc.modified = 1;
143
0
    return ASN1_item_sign_ex(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
144
0
                             &x->sig_alg, &x->signature, &x->crl, NULL,
145
0
                             pkey, md, x->libctx, x->propq);
146
0
}
147
148
int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
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_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
156
0
                              &x->crl.sig_alg, &x->sig_alg, &x->signature,
157
0
                              &x->crl, ctx);
158
0
}
159
160
X509_CRL *X509_CRL_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
161
0
{
162
0
    return (X509_CRL *)simple_get_asn1(url, bio, rbio, timeout,
163
0
                                       ASN1_ITEM_rptr(X509_CRL));
164
0
}
165
166
int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
167
0
{
168
0
    return
169
0
        ASN1_item_sign_ex(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
170
0
                          x->signature, x->spkac, NULL, pkey, md, NULL, NULL);
171
0
}
172
173
#ifndef OPENSSL_NO_STDIO
174
X509 *d2i_X509_fp(FILE *fp, X509 **x509)
175
0
{
176
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
177
0
}
178
179
int i2d_X509_fp(FILE *fp, const X509 *x509)
180
0
{
181
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
182
0
}
183
#endif
184
185
X509 *d2i_X509_bio(BIO *bp, X509 **x509)
186
0
{
187
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
188
0
}
189
190
int i2d_X509_bio(BIO *bp, const X509 *x509)
191
0
{
192
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
193
0
}
194
195
#ifndef OPENSSL_NO_STDIO
196
X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
197
0
{
198
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
199
0
}
200
201
int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
202
0
{
203
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
204
0
}
205
#endif
206
207
X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
208
0
{
209
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
210
0
}
211
212
int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
213
0
{
214
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
215
0
}
216
217
#ifndef OPENSSL_NO_STDIO
218
PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
219
0
{
220
0
    PKCS7 *ret;
221
0
    OSSL_LIB_CTX *libctx = NULL;
222
0
    const char *propq = NULL;
223
224
0
    if (p7 != NULL && *p7 != NULL) {
225
0
        libctx = (*p7)->ctx.libctx;
226
0
        propq = (*p7)->ctx.propq;
227
0
    }
228
229
0
    ret = ASN1_item_d2i_fp_ex(ASN1_ITEM_rptr(PKCS7), fp, p7, libctx, propq);
230
0
    if (ret != NULL)
231
0
        ossl_pkcs7_resolve_libctx(ret);
232
0
    return ret;
233
0
}
234
235
int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
236
0
{
237
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
238
0
}
239
#endif
240
241
PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
242
0
{
243
0
    PKCS7 *ret;
244
0
    OSSL_LIB_CTX *libctx = NULL;
245
0
    const char *propq = NULL;
246
247
0
    if (p7 != NULL && *p7 != NULL) {
248
0
        libctx = (*p7)->ctx.libctx;
249
0
        propq = (*p7)->ctx.propq;
250
0
    }
251
252
0
    ret = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(PKCS7), bp, p7, libctx, propq);
253
0
    if (ret != NULL)
254
0
        ossl_pkcs7_resolve_libctx(ret);
255
0
    return ret;
256
0
}
257
258
int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
259
0
{
260
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
261
0
}
262
263
#ifndef OPENSSL_NO_STDIO
264
X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
265
0
{
266
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
267
0
}
268
269
int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
270
0
{
271
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
272
0
}
273
#endif
274
275
X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
276
0
{
277
0
    OSSL_LIB_CTX *libctx = NULL;
278
0
    const char *propq = NULL;
279
280
0
    if (req != NULL && *req != NULL) {
281
0
        libctx = (*req)->libctx;
282
0
        propq = (*req)->propq;
283
0
    }
284
285
0
    return ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(X509_REQ), bp, req, libctx, propq);
286
0
}
287
288
int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
289
0
{
290
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
291
0
}
292
293
#ifndef OPENSSL_NO_STDIO
294
RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
295
0
{
296
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
297
0
}
298
299
int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
300
0
{
301
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
302
0
}
303
304
RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
305
0
{
306
0
    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
307
0
}
308
309
RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
310
0
{
311
0
    return ASN1_d2i_fp((void *(*)(void))
312
0
                       RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
313
0
                       (void **)rsa);
314
0
}
315
316
int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
317
0
{
318
0
    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
319
0
}
320
321
int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
322
0
{
323
0
    return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
324
0
}
325
#endif
326
327
RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
328
0
{
329
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
330
0
}
331
332
int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
333
0
{
334
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
335
0
}
336
337
RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
338
0
{
339
0
    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
340
0
}
341
342
RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
343
0
{
344
0
    return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
345
0
}
346
347
int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
348
0
{
349
0
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
350
0
}
351
352
int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
353
0
{
354
0
    return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
355
0
}
356
357
#ifndef OPENSSL_NO_DSA
358
# ifndef OPENSSL_NO_STDIO
359
DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
360
0
{
361
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
362
0
}
363
364
int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
365
0
{
366
0
    return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
367
0
}
368
369
DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
370
0
{
371
0
    return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
372
0
}
373
374
int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
375
0
{
376
0
    return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
377
0
}
378
# endif
379
380
DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
381
0
{
382
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
383
0
}
384
385
int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
386
0
{
387
0
    return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
388
0
}
389
390
DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
391
0
{
392
0
    return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
393
0
}
394
395
int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
396
0
{
397
0
    return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
398
0
}
399
400
#endif
401
402
#ifndef OPENSSL_NO_EC
403
# ifndef OPENSSL_NO_STDIO
404
EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
405
0
{
406
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
407
0
}
408
409
int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
410
0
{
411
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
412
0
}
413
414
EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
415
0
{
416
0
    return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
417
0
}
418
419
int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
420
0
{
421
0
    return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
422
0
}
423
# endif
424
EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
425
0
{
426
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
427
0
}
428
429
int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
430
0
{
431
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
432
0
}
433
434
EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
435
0
{
436
0
    return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
437
0
}
438
439
int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
440
0
{
441
0
    return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
442
0
}
443
#endif
444
445
int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
446
                       unsigned char *md, unsigned int *len)
447
0
{
448
0
    ASN1_BIT_STRING *key = X509_get0_pubkey_bitstr(data);
449
450
0
    if (key == NULL)
451
0
        return 0;
452
0
    return EVP_Digest(key->data, key->length, md, len, type, NULL);
453
0
}
454
455
int X509_digest(const X509 *cert, const EVP_MD *md, unsigned char *data,
456
                unsigned int *len)
457
813
{
458
813
    if (EVP_MD_is_a(md, SN_sha1) && (cert->ex_flags & EXFLAG_SET) != 0
459
813
            && (cert->ex_flags & EXFLAG_NO_FINGERPRINT) == 0) {
460
        /* Asking for SHA1 and we already computed it. */
461
0
        if (len != NULL)
462
0
            *len = sizeof(cert->sha1_hash);
463
0
        memcpy(data, cert->sha1_hash, sizeof(cert->sha1_hash));
464
0
        return 1;
465
0
    }
466
813
    return ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509), md, (char *)cert,
467
813
                                    data, len, cert->libctx, cert->propq);
468
813
}
469
470
/* calculate cert digest using the same hash algorithm as in its signature */
471
ASN1_OCTET_STRING *X509_digest_sig(const X509 *cert,
472
                                   EVP_MD **md_used, int *md_is_fallback)
473
0
{
474
0
    unsigned int len;
475
0
    unsigned char hash[EVP_MAX_MD_SIZE];
476
0
    int mdnid, pknid;
477
0
    EVP_MD *md = NULL;
478
0
    const char *md_name;
479
0
    ASN1_OCTET_STRING *new;
480
481
0
    if (md_used != NULL)
482
0
        *md_used = NULL;
483
0
    if (md_is_fallback != NULL)
484
0
        *md_is_fallback = 0;
485
486
0
    if (cert == NULL) {
487
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
488
0
        return NULL;
489
0
    }
490
491
0
    if (!OBJ_find_sigid_algs(X509_get_signature_nid(cert), &mdnid, &pknid)) {
492
0
        ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_SIGID_ALGS);
493
0
        return NULL;
494
0
    }
495
496
0
    if (mdnid == NID_undef) {
497
0
        if (pknid == EVP_PKEY_RSA_PSS) {
498
0
            RSA_PSS_PARAMS *pss = ossl_rsa_pss_decode(&cert->sig_alg);
499
0
            const EVP_MD *mgf1md, *mmd = NULL;
500
0
            int saltlen, trailerfield;
501
502
0
            if (pss == NULL
503
0
                || !ossl_rsa_pss_get_param_unverified(pss, &mmd, &mgf1md,
504
0
                                                      &saltlen,
505
0
                                                      &trailerfield)
506
0
                || mmd == NULL) {
507
0
                RSA_PSS_PARAMS_free(pss);
508
0
                ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
509
0
                return NULL;
510
0
            }
511
0
            RSA_PSS_PARAMS_free(pss);
512
            /* Fetch explicitly and do not fallback */
513
0
            if ((md = EVP_MD_fetch(cert->libctx, EVP_MD_get0_name(mmd),
514
0
                                   cert->propq)) == NULL)
515
                /* Error code from fetch is sufficient */
516
0
                return NULL;
517
0
        } else if (pknid != NID_undef) {
518
            /* A known algorithm, but without a digest */
519
0
            switch (pknid) {
520
0
            case NID_ED25519: /* Follow CMS default given in RFC8419 */
521
0
                md_name = "SHA512";
522
0
                break;
523
0
            case NID_ED448: /* Follow CMS default given in RFC8419 */
524
0
                md_name = "SHAKE256";
525
0
                break;
526
0
            default: /* Fall back to SHA-256 */
527
0
                md_name = "SHA256";
528
0
                break;
529
0
            }
530
0
            if ((md = EVP_MD_fetch(cert->libctx, md_name,
531
0
                                   cert->propq)) == NULL)
532
0
                return NULL;
533
0
            if (md_is_fallback != NULL)
534
0
                *md_is_fallback = 1;
535
0
        } else {
536
            /* A completely unknown algorithm */
537
0
            ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
538
0
            return NULL;
539
0
        }
540
0
    } else if ((md = EVP_MD_fetch(cert->libctx, OBJ_nid2sn(mdnid),
541
0
                                  cert->propq)) == NULL
542
0
               && (md = (EVP_MD *)EVP_get_digestbynid(mdnid)) == NULL) {
543
0
        ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM);
544
0
        return NULL;
545
0
    }
546
0
    if (!X509_digest(cert, md, hash, &len)
547
0
            || (new = ASN1_OCTET_STRING_new()) == NULL)
548
0
        goto err;
549
0
    if (ASN1_OCTET_STRING_set(new, hash, len)) {
550
0
        if (md_used != NULL)
551
0
            *md_used = md;
552
0
        else
553
0
            EVP_MD_free(md);
554
0
        return new;
555
0
    }
556
0
    ASN1_OCTET_STRING_free(new);
557
0
 err:
558
0
    EVP_MD_free(md);
559
0
    return NULL;
560
0
}
561
562
int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
563
                    unsigned char *md, unsigned int *len)
564
0
{
565
0
    if (type == NULL) {
566
0
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
567
0
        return 0;
568
0
    }
569
0
    if (EVP_MD_is_a(type, SN_sha1)
570
0
            && (data->flags & EXFLAG_SET) != 0
571
0
            && (data->flags & EXFLAG_NO_FINGERPRINT) == 0) {
572
        /* Asking for SHA1; always computed in CRL d2i. */
573
0
        if (len != NULL)
574
0
            *len = sizeof(data->sha1_hash);
575
0
        memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
576
0
        return 1;
577
0
    }
578
0
    return ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_CRL), type, (char *)data,
579
0
                                    md, len, data->libctx, data->propq);
580
0
}
581
582
int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
583
                    unsigned char *md, unsigned int *len)
584
0
{
585
0
    return ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(X509_REQ), type, (char *)data,
586
0
                                    md, len, data->libctx, data->propq);
587
0
}
588
589
int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
590
                     unsigned char *md, unsigned int *len)
591
0
{
592
0
    return ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME), type, (char *)data,
593
0
                            md, len);
594
0
}
595
596
int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
597
                                   const EVP_MD *type, unsigned char *md,
598
                                   unsigned int *len)
599
0
{
600
0
    return ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
601
0
                            (char *)data, md, len);
602
0
}
603
604
#ifndef OPENSSL_NO_STDIO
605
X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
606
0
{
607
0
    return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
608
0
}
609
610
int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
611
0
{
612
0
    return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
613
0
}
614
#endif
615
616
X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
617
0
{
618
0
    return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
619
0
}
620
621
int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
622
0
{
623
0
    return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
624
0
}
625
626
#ifndef OPENSSL_NO_STDIO
627
X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
628
0
{
629
0
    return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
630
0
                          fp, xpk);
631
0
}
632
633
int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
634
0
{
635
0
    return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
636
0
}
637
#endif
638
639
X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
640
0
{
641
0
    return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
642
0
                           bp, xpk);
643
0
}
644
645
int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
646
0
{
647
0
    return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
648
0
}
649
650
#ifndef OPENSSL_NO_STDIO
651
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
652
                                                PKCS8_PRIV_KEY_INFO **p8inf)
653
0
{
654
0
    return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
655
0
                          d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
656
0
}
657
658
int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
659
0
{
660
0
    return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
661
0
                          p8inf);
662
0
}
663
664
int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
665
0
{
666
0
    PKCS8_PRIV_KEY_INFO *p8inf;
667
0
    int ret;
668
669
0
    p8inf = EVP_PKEY2PKCS8(key);
670
0
    if (p8inf == NULL)
671
0
        return 0;
672
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
673
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
674
0
    return ret;
675
0
}
676
677
int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
678
0
{
679
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
680
0
}
681
682
EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
683
0
{
684
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
685
0
}
686
687
EVP_PKEY *d2i_PrivateKey_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
688
                               const char *propq)
689
0
{
690
0
    BIO *b;
691
0
    void *ret;
692
693
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
694
0
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
695
0
        return NULL;
696
0
    }
697
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
698
0
    ret = d2i_PrivateKey_ex_bio(b, a, libctx, propq);
699
0
    BIO_free(b);
700
0
    return ret;
701
0
}
702
703
int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
704
0
{
705
0
    return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
706
0
}
707
708
EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
709
0
{
710
0
    return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
711
0
}
712
713
#endif
714
715
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
716
                                                 PKCS8_PRIV_KEY_INFO **p8inf)
717
0
{
718
0
    return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
719
0
                           d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
720
0
}
721
722
int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
723
0
{
724
0
    return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
725
0
                           p8inf);
726
0
}
727
728
int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
729
0
{
730
0
    PKCS8_PRIV_KEY_INFO *p8inf;
731
0
    int ret;
732
733
0
    p8inf = EVP_PKEY2PKCS8(key);
734
0
    if (p8inf == NULL)
735
0
        return 0;
736
0
    ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
737
0
    PKCS8_PRIV_KEY_INFO_free(p8inf);
738
0
    return ret;
739
0
}
740
741
int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
742
0
{
743
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
744
0
}
745
746
EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
747
0
{
748
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
749
0
}
750
751
EVP_PKEY *d2i_PrivateKey_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
752
                                const char *propq)
753
0
{
754
0
    BUF_MEM *b = NULL;
755
0
    const unsigned char *p;
756
0
    void *ret = NULL;
757
0
    int len;
758
759
0
    len = asn1_d2i_read_bio(bp, &b);
760
0
    if (len < 0)
761
0
        goto err;
762
763
0
    p = (unsigned char *)b->data;
764
0
    ret = d2i_AutoPrivateKey_ex(a, &p, len, libctx, propq);
765
0
 err:
766
0
    BUF_MEM_free(b);
767
0
    return ret;
768
0
}
769
770
int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
771
0
{
772
0
    return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
773
0
}
774
775
EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
776
0
{
777
0
    return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);
778
0
}