blob: a66b90ed5bc5737d865d94165428870e5c26fe00 (
plain) (
blame)
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
|
/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#pragma once
#include <stdint.h>
#include "utils/s2n_blob.h"
int s2n_mem_init(void);
bool s2n_mem_is_init(void);
uint32_t s2n_mem_get_page_size(void);
int s2n_mem_cleanup(void);
/*
* Generally, s2n_realloc is preferred over s2n_alloc. This is because calling
* s2n_alloc on a blob that already has memory allocated will leak memory.
*/
int s2n_alloc(struct s2n_blob *b, uint32_t size);
int s2n_realloc(struct s2n_blob *b, uint32_t size);
int s2n_free(struct s2n_blob *b);
int s2n_free_without_wipe(struct s2n_blob *b);
int s2n_free_object(uint8_t **p_data, uint32_t size);
int s2n_dup(struct s2n_blob *from, struct s2n_blob *to);
/* Unlike free, s2n_free_or_wipe accepts static blobs.
* It frees allocated blobs and wipes static blobs.
*
* This is mostly useful for some of the s2n-tls shared secret generation logic,
* which allocates memory for some algorithms and uses static memory for others.
*
* Prefer s2n_free. Only use this method if completely necessary.
*/
int s2n_free_or_wipe(struct s2n_blob *b);
|
