diff options
author | Joel Kitching <kitching@google.com> | 2019-08-20 17:43:50 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2019-08-28 07:32:05 +0000 |
commit | 9adf2aa24307937380debb703ac07b8093a25f61 (patch) | |
tree | b95c5bbb5259714ef86c125894267d0476cd62fe /firmware/2lib/include/2crc8.h | |
parent | a762fa782793e7b13ba13ceed474f20c54afbdd3 (diff) | |
download | vboot-9adf2aa24307937380debb703ac07b8093a25f61.tar.gz |
vboot: fix up some headers, includes, comments, spacing
BUG=b:124141368
TEST=make clean && make runtests
BRANCH=none
Change-Id: Id97f544da845f7070555e5e8cc6e782b2d45c300
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1758151
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
Diffstat (limited to 'firmware/2lib/include/2crc8.h')
-rw-r--r-- | firmware/2lib/include/2crc8.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/firmware/2lib/include/2crc8.h b/firmware/2lib/include/2crc8.h index f01eabd9..f9e0ccee 100644 --- a/firmware/2lib/include/2crc8.h +++ b/firmware/2lib/include/2crc8.h @@ -5,11 +5,17 @@ * Very simple 8-bit CRC function. */ -#ifndef VBOOT_REFERENCE_2_CRC8_H_ -#define VBOOT_REFERENCE_2_CRC8_H_ +#ifndef VBOOT_REFERENCE_2CRC8_H_ +#define VBOOT_REFERENCE_2CRC8_H_ + +#include "2sysincludes.h" /** - * Calculate CRC-8 of the data, using x^8 + x^2 + x + 1 polynomial. + * Calculate CRC-8 of the data, using the ITU version. + * + * Calculate CRC-8 ITU version of the given buffer, using x^8 + x^2 + x + 1 + * polynomial. Note that the CRC-8 will evaluate to zero for a buffer of all + * zeroes. * * @param data Data to CRC * @param size Size of data in bytes @@ -17,4 +23,4 @@ */ uint8_t vb2_crc8(const void *data, uint32_t size); -#endif /* VBOOT_REFERENCE_2_CRC8_H_ */ +#endif /* VBOOT_REFERENCE_2CRC8_H_ */ |