/src/openssl33/crypto/pkcs12/p12_sbag.c

Source
/*
 * Copyright 1999-2023 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/pkcs12.h>
#include "p12_local.h"
#include "crypto/x509.h"

#ifndef OPENSSL_NO_DEPRECATED_1_1_0
ASN1_TYPE *PKCS12_get_attr(const PKCS12_SAFEBAG *bag, int attr_nid)
{
    return PKCS12_get_attr_gen(bag->attrib, attr_nid);
}
#endif

const ASN1_TYPE *PKCS12_SAFEBAG_get0_attr(const PKCS12_SAFEBAG *bag,
    int attr_nid)
{
    return PKCS12_get_attr_gen(bag->attrib, attr_nid);
}

ASN1_TYPE *PKCS8_get_attr(PKCS8_PRIV_KEY_INFO *p8, int attr_nid)
{
    return PKCS12_get_attr_gen(PKCS8_pkey_get0_attrs(p8), attr_nid);
}

const PKCS8_PRIV_KEY_INFO *PKCS12_SAFEBAG_get0_p8inf(const PKCS12_SAFEBAG *bag)
{
    if (PKCS12_SAFEBAG_get_nid(bag) != NID_keyBag)
        return NULL;
    return bag->value.keybag;
}

const X509_SIG *PKCS12_SAFEBAG_get0_pkcs8(const PKCS12_SAFEBAG *bag)
{
    if (OBJ_obj2nid(bag->type) != NID_pkcs8ShroudedKeyBag)
        return NULL;
    return bag->value.shkeybag;
}

const STACK_OF(PKCS12_SAFEBAG) *
PKCS12_SAFEBAG_get0_safes(const PKCS12_SAFEBAG *bag)
{
    if (OBJ_obj2nid(bag->type) != NID_safeContentsBag)
        return NULL;
    return bag->value.safes;
}

const ASN1_OBJECT *PKCS12_SAFEBAG_get0_type(const PKCS12_SAFEBAG *bag)
{
    return bag->type;
}

int PKCS12_SAFEBAG_get_nid(const PKCS12_SAFEBAG *bag)
{
    return OBJ_obj2nid(bag->type);
}

int PKCS12_SAFEBAG_get_bag_nid(const PKCS12_SAFEBAG *bag)
{
    int btype = PKCS12_SAFEBAG_get_nid(bag);

    if (btype != NID_certBag && btype != NID_crlBag && btype != NID_secretBag)
        return -1;
    return OBJ_obj2nid(bag->value.bag->type);
}

const ASN1_OBJECT *PKCS12_SAFEBAG_get0_bag_type(const PKCS12_SAFEBAG *bag)
{
    int btype = PKCS12_SAFEBAG_get_nid(bag);

    if (btype != NID_certBag && btype != NID_crlBag && btype != NID_secretBag)
        return NULL;
    return bag->value.bag->type;
}

const ASN1_TYPE *PKCS12_SAFEBAG_get0_bag_obj(const PKCS12_SAFEBAG *bag)
{
    int vtype = PKCS12_SAFEBAG_get_bag_nid(bag);

    if (vtype == -1 || vtype == NID_x509Certificate || vtype == NID_x509Crl
        || vtype == NID_sdsiCertificate)
        return NULL;
    return bag->value.bag->value.other;
}

X509 *PKCS12_SAFEBAG_get1_cert(const PKCS12_SAFEBAG *bag)
{
    if (PKCS12_SAFEBAG_get_nid(bag) != NID_certBag)
        return NULL;
    if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
        return NULL;
    return ASN1_item_unpack(bag->value.bag->value.octet,
        ASN1_ITEM_rptr(X509));
}

X509_CRL *PKCS12_SAFEBAG_get1_crl(const PKCS12_SAFEBAG *bag)
{
    if (PKCS12_SAFEBAG_get_nid(bag) != NID_crlBag)
        return NULL;
    if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
        return NULL;
    return ASN1_item_unpack(bag->value.bag->value.octet,
        ASN1_ITEM_rptr(X509_CRL));
}

X509 *PKCS12_SAFEBAG_get1_cert_ex(const PKCS12_SAFEBAG *bag,
    OSSL_LIB_CTX *libctx, const char *propq)
{
    X509 *ret = NULL;

    if (PKCS12_SAFEBAG_get_nid(bag) != NID_certBag)
        return NULL;
    if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
        return NULL;
    ret = ASN1_item_unpack_ex(bag->value.bag->value.octet,
        ASN1_ITEM_rptr(X509), libctx, propq);
    if (!ossl_x509_set0_libctx(ret, libctx, propq)) {
        X509_free(ret);
        return NULL;
    }
    return ret;
}

X509_CRL *PKCS12_SAFEBAG_get1_crl_ex(const PKCS12_SAFEBAG *bag,
    OSSL_LIB_CTX *libctx, const char *propq)
{
    X509_CRL *ret = NULL;

    if (PKCS12_SAFEBAG_get_nid(bag) != NID_crlBag)
        return NULL;
    if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
        return NULL;
    ret = ASN1_item_unpack_ex(bag->value.bag->value.octet,
        ASN1_ITEM_rptr(X509_CRL), libctx, propq);
    if (!ossl_x509_crl_set0_libctx(ret, libctx, propq)) {
        X509_CRL_free(ret);
        return NULL;
    }
    return ret;
}

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_cert(X509 *x509)
{
    return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
        NID_x509Certificate, NID_certBag);
}

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_crl(X509_CRL *crl)
{
    return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
        NID_x509Crl, NID_crlBag);
}

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_secret(int type, int vtype, const unsigned char *value, int len)
{
    PKCS12_BAGS *bag;
    PKCS12_SAFEBAG *safebag;

    if ((bag = PKCS12_BAGS_new()) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        return NULL;
    }
    bag->type = OBJ_nid2obj(type);

    switch (vtype) {
    case V_ASN1_OCTET_STRING: {
        ASN1_OCTET_STRING *strtmp = ASN1_OCTET_STRING_new();

        if (strtmp == NULL) {
            ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
            goto err;
        }
        /* Pack data into an octet string */
        if (!ASN1_OCTET_STRING_set(strtmp, value, len)) {
            ASN1_OCTET_STRING_free(strtmp);
            ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCODE_ERROR);
            goto err;
        }
        bag->value.other = ASN1_TYPE_new();
        if (bag->value.other == NULL) {
            ASN1_OCTET_STRING_free(strtmp);
            ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
            goto err;
        }
        ASN1_TYPE_set(bag->value.other, vtype, strtmp);
    } break;

    default:
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_TYPE);
        goto err;
    }

    if ((safebag = PKCS12_SAFEBAG_new()) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        goto err;
    }
    safebag->value.bag = bag;
    safebag->type = OBJ_nid2obj(NID_secretBag);
    return safebag;

err:
    PKCS12_BAGS_free(bag);
    return NULL;
}

/* Turn PKCS8 object into a keybag */

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create0_p8inf(PKCS8_PRIV_KEY_INFO *p8)
{
    PKCS12_SAFEBAG *bag = PKCS12_SAFEBAG_new();

    if (bag == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        return NULL;
    }
    bag->type = OBJ_nid2obj(NID_keyBag);
    bag->value.keybag = p8;
    return bag;
}

/* Turn PKCS8 object into a shrouded keybag */

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create0_pkcs8(X509_SIG *p8)
{
    PKCS12_SAFEBAG *bag = PKCS12_SAFEBAG_new();

    /* Set up the safe bag */
    if (bag == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        return NULL;
    }
    bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
    bag->value.shkeybag = p8;
    return bag;
}

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(int pbe_nid,
    const char *pass,
    int passlen,
    unsigned char *salt,
    int saltlen, int iter,
    PKCS8_PRIV_KEY_INFO *p8inf,
    OSSL_LIB_CTX *ctx,
    const char *propq)
{
    PKCS12_SAFEBAG *bag = NULL;
    const EVP_CIPHER *pbe_ciph = NULL;
    EVP_CIPHER *pbe_ciph_fetch = NULL;
    X509_SIG *p8;

    ERR_set_mark();
    pbe_ciph = pbe_ciph_fetch = EVP_CIPHER_fetch(ctx, OBJ_nid2sn(pbe_nid), propq);
    if (pbe_ciph == NULL)
        pbe_ciph = EVP_get_cipherbynid(pbe_nid);
    ERR_pop_to_mark();

    if (pbe_ciph != NULL)
        pbe_nid = -1;

    p8 = PKCS8_encrypt_ex(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
        p8inf, ctx, propq);
    if (p8 == NULL)
        goto err;

    bag = PKCS12_SAFEBAG_create0_pkcs8(p8);
    if (bag == NULL)
        X509_SIG_free(p8);

err:
    EVP_CIPHER_free(pbe_ciph_fetch);
    return bag;
}

PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_pkcs8_encrypt(int pbe_nid,
    const char *pass,
    int passlen,
    unsigned char *salt,
    int saltlen, int iter,
    PKCS8_PRIV_KEY_INFO *p8inf)
{
    return PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(pbe_nid, pass, passlen,
        salt, saltlen, iter, p8inf,
        NULL, NULL);
}

Coverage Report

Created: 2025-12-31 06:58

Line	Count	Source
1		/*
2		* Copyright 1999-2023 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		#include <stdio.h>
11		#include "internal/cryptlib.h"
12		#include <openssl/pkcs12.h>
13		#include "p12_local.h"
14		#include "crypto/x509.h"
15
16		#ifndef OPENSSL_NO_DEPRECATED_1_1_0
17		ASN1_TYPE PKCS12_get_attr(const PKCS12_SAFEBAG bag, int attr_nid)
18	0	{
19	0	return PKCS12_get_attr_gen(bag->attrib, attr_nid);
20	0	}
21		#endif
22
23		const ASN1_TYPE PKCS12_SAFEBAG_get0_attr(const PKCS12_SAFEBAG bag,
24		int attr_nid)
25	0	{
26	0	return PKCS12_get_attr_gen(bag->attrib, attr_nid);
27	0	}
28
29		ASN1_TYPE PKCS8_get_attr(PKCS8_PRIV_KEY_INFO p8, int attr_nid)
30	0	{
31	0	return PKCS12_get_attr_gen(PKCS8_pkey_get0_attrs(p8), attr_nid);
32	0	}
33
34		const PKCS8_PRIV_KEY_INFO PKCS12_SAFEBAG_get0_p8inf(const PKCS12_SAFEBAG bag)
35	0	{
36	0	if (PKCS12_SAFEBAG_get_nid(bag) != NID_keyBag)
37	0	return NULL;
38	0	return bag->value.keybag;
39	0	}
40
41		const X509_SIG PKCS12_SAFEBAG_get0_pkcs8(const PKCS12_SAFEBAG bag)
42	0	{
43	0	if (OBJ_obj2nid(bag->type) != NID_pkcs8ShroudedKeyBag)
44	0	return NULL;
45	0	return bag->value.shkeybag;
46	0	}
47
48		const STACK_OF(PKCS12_SAFEBAG) *
49		PKCS12_SAFEBAG_get0_safes(const PKCS12_SAFEBAG *bag)
50	0	{
51	0	if (OBJ_obj2nid(bag->type) != NID_safeContentsBag)
52	0	return NULL;
53	0	return bag->value.safes;
54	0	}
55
56		const ASN1_OBJECT PKCS12_SAFEBAG_get0_type(const PKCS12_SAFEBAG bag)
57	0	{
58	0	return bag->type;
59	0	}
60
61		int PKCS12_SAFEBAG_get_nid(const PKCS12_SAFEBAG *bag)
62	0	{
63	0	return OBJ_obj2nid(bag->type);
64	0	}
65
66		int PKCS12_SAFEBAG_get_bag_nid(const PKCS12_SAFEBAG *bag)
67	0	{
68	0	int btype = PKCS12_SAFEBAG_get_nid(bag);
69
70	0	if (btype != NID_certBag && btype != NID_crlBag && btype != NID_secretBag)
71	0	return -1;
72	0	return OBJ_obj2nid(bag->value.bag->type);
73	0	}
74
75		const ASN1_OBJECT PKCS12_SAFEBAG_get0_bag_type(const PKCS12_SAFEBAG bag)
76	0	{
77	0	int btype = PKCS12_SAFEBAG_get_nid(bag);
78
79	0	if (btype != NID_certBag && btype != NID_crlBag && btype != NID_secretBag)
80	0	return NULL;
81	0	return bag->value.bag->type;
82	0	}
83
84		const ASN1_TYPE PKCS12_SAFEBAG_get0_bag_obj(const PKCS12_SAFEBAG bag)
85	0	{
86	0	int vtype = PKCS12_SAFEBAG_get_bag_nid(bag);
87
88	0	if (vtype == -1 \|\| vtype == NID_x509Certificate \|\| vtype == NID_x509Crl
89	0	\|\| vtype == NID_sdsiCertificate)
90	0	return NULL;
91	0	return bag->value.bag->value.other;
92	0	}
93
94		X509 PKCS12_SAFEBAG_get1_cert(const PKCS12_SAFEBAG bag)
95	0	{
96	0	if (PKCS12_SAFEBAG_get_nid(bag) != NID_certBag)
97	0	return NULL;
98	0	if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
99	0	return NULL;
100	0	return ASN1_item_unpack(bag->value.bag->value.octet,
101	0	ASN1_ITEM_rptr(X509));
102	0	}
103
104		X509_CRL PKCS12_SAFEBAG_get1_crl(const PKCS12_SAFEBAG bag)
105	0	{
106	0	if (PKCS12_SAFEBAG_get_nid(bag) != NID_crlBag)
107	0	return NULL;
108	0	if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
109	0	return NULL;
110	0	return ASN1_item_unpack(bag->value.bag->value.octet,
111	0	ASN1_ITEM_rptr(X509_CRL));
112	0	}
113
114		X509 PKCS12_SAFEBAG_get1_cert_ex(const PKCS12_SAFEBAG bag,
115		OSSL_LIB_CTX libctx, const char propq)
116	0	{
117	0	X509 *ret = NULL;
118
119	0	if (PKCS12_SAFEBAG_get_nid(bag) != NID_certBag)
120	0	return NULL;
121	0	if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
122	0	return NULL;
123	0	ret = ASN1_item_unpack_ex(bag->value.bag->value.octet,
124	0	ASN1_ITEM_rptr(X509), libctx, propq);
125	0	if (!ossl_x509_set0_libctx(ret, libctx, propq)) {
126	0	X509_free(ret);
127	0	return NULL;
128	0	}
129	0	return ret;
130	0	}
131
132		X509_CRL PKCS12_SAFEBAG_get1_crl_ex(const PKCS12_SAFEBAG bag,
133		OSSL_LIB_CTX libctx, const char propq)
134	0	{
135	0	X509_CRL *ret = NULL;
136
137	0	if (PKCS12_SAFEBAG_get_nid(bag) != NID_crlBag)
138	0	return NULL;
139	0	if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
140	0	return NULL;
141	0	ret = ASN1_item_unpack_ex(bag->value.bag->value.octet,
142	0	ASN1_ITEM_rptr(X509_CRL), libctx, propq);
143	0	if (!ossl_x509_crl_set0_libctx(ret, libctx, propq)) {
144	0	X509_CRL_free(ret);
145	0	return NULL;
146	0	}
147	0	return ret;
148	0	}
149
150		PKCS12_SAFEBAG PKCS12_SAFEBAG_create_cert(X509 x509)
151	0	{
152	0	return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
153	0	NID_x509Certificate, NID_certBag);
154	0	}
155
156		PKCS12_SAFEBAG PKCS12_SAFEBAG_create_crl(X509_CRL crl)
157	0	{
158	0	return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
159	0	NID_x509Crl, NID_crlBag);
160	0	}
161
162		PKCS12_SAFEBAG PKCS12_SAFEBAG_create_secret(int type, int vtype, const unsigned char value, int len)
163	0	{
164	0	PKCS12_BAGS *bag;
165	0	PKCS12_SAFEBAG *safebag;
166
167	0	if ((bag = PKCS12_BAGS_new()) == NULL) {
168	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
169	0	return NULL;
170	0	}
171	0	bag->type = OBJ_nid2obj(type);
172
173	0	switch (vtype) {
174	0	case V_ASN1_OCTET_STRING: {
175	0	ASN1_OCTET_STRING *strtmp = ASN1_OCTET_STRING_new();
176
177	0	if (strtmp == NULL) {
178	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
179	0	goto err;
180	0	}
181		/* Pack data into an octet string */
182	0	if (!ASN1_OCTET_STRING_set(strtmp, value, len)) {
183	0	ASN1_OCTET_STRING_free(strtmp);
184	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCODE_ERROR);
185	0	goto err;
186	0	}
187	0	bag->value.other = ASN1_TYPE_new();
188	0	if (bag->value.other == NULL) {
189	0	ASN1_OCTET_STRING_free(strtmp);
190	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
191	0	goto err;
192	0	}
193	0	ASN1_TYPE_set(bag->value.other, vtype, strtmp);
194	0	} break;
195
196	0	default:
197	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_TYPE);
198	0	goto err;
199	0	}
200
201	0	if ((safebag = PKCS12_SAFEBAG_new()) == NULL) {
202	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
203	0	goto err;
204	0	}
205	0	safebag->value.bag = bag;
206	0	safebag->type = OBJ_nid2obj(NID_secretBag);
207	0	return safebag;
208
209	0	err:
210	0	PKCS12_BAGS_free(bag);
211	0	return NULL;
212	0	}
213
214		/* Turn PKCS8 object into a keybag */
215
216		PKCS12_SAFEBAG PKCS12_SAFEBAG_create0_p8inf(PKCS8_PRIV_KEY_INFO p8)
217	0	{
218	0	PKCS12_SAFEBAG *bag = PKCS12_SAFEBAG_new();
219
220	0	if (bag == NULL) {
221	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
222	0	return NULL;
223	0	}
224	0	bag->type = OBJ_nid2obj(NID_keyBag);
225	0	bag->value.keybag = p8;
226	0	return bag;
227	0	}
228
229		/* Turn PKCS8 object into a shrouded keybag */
230
231		PKCS12_SAFEBAG PKCS12_SAFEBAG_create0_pkcs8(X509_SIG p8)
232	0	{
233	0	PKCS12_SAFEBAG *bag = PKCS12_SAFEBAG_new();
234
235		/* Set up the safe bag */
236	0	if (bag == NULL) {
237	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
238	0	return NULL;
239	0	}
240	0	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
241	0	bag->value.shkeybag = p8;
242	0	return bag;
243	0	}
244
245		PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(int pbe_nid,
246		const char *pass,
247		int passlen,
248		unsigned char *salt,
249		int saltlen, int iter,
250		PKCS8_PRIV_KEY_INFO *p8inf,
251		OSSL_LIB_CTX *ctx,
252		const char *propq)
253	0	{
254	0	PKCS12_SAFEBAG *bag = NULL;
255	0	const EVP_CIPHER *pbe_ciph = NULL;
256	0	EVP_CIPHER *pbe_ciph_fetch = NULL;
257	0	X509_SIG *p8;
258
259	0	ERR_set_mark();
260	0	pbe_ciph = pbe_ciph_fetch = EVP_CIPHER_fetch(ctx, OBJ_nid2sn(pbe_nid), propq);
261	0	if (pbe_ciph == NULL)
262	0	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
263	0	ERR_pop_to_mark();
264
265	0	if (pbe_ciph != NULL)
266	0	pbe_nid = -1;
267
268	0	p8 = PKCS8_encrypt_ex(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
269	0	p8inf, ctx, propq);
270	0	if (p8 == NULL)
271	0	goto err;
272
273	0	bag = PKCS12_SAFEBAG_create0_pkcs8(p8);
274	0	if (bag == NULL)
275	0	X509_SIG_free(p8);
276
277	0	err:
278	0	EVP_CIPHER_free(pbe_ciph_fetch);
279	0	return bag;
280	0	}
281
282		PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_pkcs8_encrypt(int pbe_nid,
283		const char *pass,
284		int passlen,
285		unsigned char *salt,
286		int saltlen, int iter,
287		PKCS8_PRIV_KEY_INFO *p8inf)
288	0	{
289	0	return PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(pbe_nid, pass, passlen,
290	0	salt, saltlen, iter, p8inf,
291	0	NULL, NULL);
292	0	}