1#ifndef AWS_CHECKSUMS_PRIVATE_CRC_PRIV_H
2#define AWS_CHECKSUMS_PRIVATE_CRC_PRIV_H
3/*
4 * Copyright 2010-2017 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
18#define AWS_CRC32_SIZE_BYTES 4
19
20#include <aws/checksums/exports.h>
21#include <stdint.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27/* Computes CRC32 (Ethernet, gzip, et. al.) using a (slow) reference implementation. */
28AWS_CHECKSUMS_API uint32_t aws_checksums_crc32_sw(const uint8_t *input, int length, uint32_t previousCrc32);
29
30/* Computes the Castagnoli CRC32c (iSCSI) using a (slow) reference implementation. */
31AWS_CHECKSUMS_API uint32_t aws_checksums_crc32c_sw(const uint8_t *input, int length, uint32_t previousCrc32c);
32
33/* Computes the Castagnoli CRC32c (iSCSI). */
34AWS_CHECKSUMS_API uint32_t aws_checksums_crc32c_hw(const uint8_t *data, int length, uint32_t previousCrc32);
35
36#ifdef __cplusplus
37}
38#endif
39
40#endif /* AWS_CHECKSUMS_PRIVATE_CRC_PRIV_H */
41