blob: 7c302028c87321abaabddf9c8fb9f8d088a0844d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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/asn1.h>
/* ASN1 packing and unpacking functions */
ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct)
{
ASN1_STRING *octmp;
if (oct == NULL|| *oct== NULL) {
if ((octmp = ASN1_STRING_new()) == NULL) {
ASN1err(ASN1_F_ASN1_ITEM_PACK, ERR_R_MALLOC_FAILURE);
return NULL;
}
if (oct)
*oct = octmp;
} else
octmp = *oct;
OPENSSL_free(octmp->data);
octmp->data = NULL;
if ((octmp->length = ASN1_item_i2d(obj, &octmp->data, it)) == 0) {
ASN1err(ASN1_F_ASN1_ITEM_PACK, ASN1_R_ENCODE_ERROR);
return NULL;
}
if (!octmp->data) {
ASN1err(ASN1_F_ASN1_ITEM_PACK, ERR_R_MALLOC_FAILURE);
return NULL;
}
return octmp;
}
/* Extract an ASN1 object from an ASN1_STRING */
void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it)
{
const unsigned char *p;
void *ret;
p = oct->data;
if ((ret = ASN1_item_d2i(NULL, &p, oct->length, it)) == NULL)
ASN1err(ASN1_F_ASN1_ITEM_UNPACK, ASN1_R_DECODE_ERROR);
return ret;
}
|
