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Diffstat (limited to 'firmware/2lib/include/2crc8.h')
| -rw-r--r-- | firmware/2lib/include/2crc8.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/firmware/2lib/include/2crc8.h b/firmware/2lib/include/2crc8.h new file mode 100644 index 00000000..f01eabd9 --- /dev/null +++ b/firmware/2lib/include/2crc8.h @@ -0,0 +1,20 @@ +/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Very simple 8-bit CRC function. + */ + +#ifndef VBOOT_REFERENCE_2_CRC8_H_ +#define VBOOT_REFERENCE_2_CRC8_H_ + +/** + * Calculate CRC-8 of the data, using x^8 + x^2 + x + 1 polynomial. + * + * @param data Data to CRC + * @param size Size of data in bytes + * @return CRC-8 of the data. + */ +uint8_t vb2_crc8(const void *data, uint32_t size); + +#endif /* VBOOT_REFERENCE_2_CRC8_H_ */ |