1 | #ifndef AWS_COMMON_DEVICE_RANDOM_H |
2 | #define AWS_COMMON_DEVICE_RANDOM_H |
3 | /* |
4 | * Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
5 | * |
6 | * Licensed under the Apache License, Version 2.0 (the "License"). |
7 | * You may not use this file except in compliance with the License. |
8 | * A copy of the License is located at |
9 | * |
10 | * http://aws.amazon.com/apache2.0 |
11 | * |
12 | * or in the "license" file accompanying this file. This file is distributed |
13 | * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
14 | * express or implied. See the License for the specific language governing |
15 | * permissions and limitations under the License. |
16 | */ |
17 | #include <aws/common/common.h> |
18 | |
19 | struct aws_byte_buf; |
20 | |
21 | AWS_EXTERN_C_BEGIN |
22 | |
23 | /** |
24 | * Get an unpredictably random 64bit number, suitable for cryptographic use. |
25 | */ |
26 | AWS_COMMON_API int aws_device_random_u64(uint64_t *output); |
27 | |
28 | /** |
29 | * Get an unpredictably random 32bit number, suitable for cryptographic use. |
30 | */ |
31 | AWS_COMMON_API int aws_device_random_u32(uint32_t *output); |
32 | |
33 | /** |
34 | * Get an unpredictably random 16bit number, suitable for cryptographic use. |
35 | */ |
36 | AWS_COMMON_API int aws_device_random_u16(uint16_t *output); |
37 | |
38 | /** |
39 | * Get an unpredictably random 8bit number, suitable for cryptographic use. |
40 | */ |
41 | AWS_COMMON_API int aws_device_random_u8(uint8_t *output); |
42 | |
43 | /** |
44 | * Fill a buffer with unpredictably random bytes, suitable for cryptographic use. |
45 | */ |
46 | AWS_COMMON_API int aws_device_random_buffer(struct aws_byte_buf *output); |
47 | |
48 | AWS_EXTERN_C_END |
49 | |
50 | #endif /* AWS_COMMON_DEVICE_RANDOM_H */ |
51 | |