diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/hash/checksum/crc24/crc24.h')
-rw-r--r-- | comm/third_party/botan/src/lib/hash/checksum/crc24/crc24.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/hash/checksum/crc24/crc24.h b/comm/third_party/botan/src/lib/hash/checksum/crc24/crc24.h new file mode 100644 index 0000000000..1809740a40 --- /dev/null +++ b/comm/third_party/botan/src/lib/hash/checksum/crc24/crc24.h @@ -0,0 +1,41 @@ +/* +* CRC24 +* (C) 1999-2007 Jack Lloyd +* (C) 2017 [Ribose Inc](https://www.ribose.com). Performed by Krzysztof Kwiatkowski. +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_CRC24_H_ +#define BOTAN_CRC24_H_ + +#include <botan/hash.h> + +BOTAN_FUTURE_INTERNAL_HEADER(crc24.h) + +namespace Botan { + +/** +* 24-bit cyclic redundancy check +*/ +class BOTAN_PUBLIC_API(2,0) CRC24 final : public HashFunction + { + public: + std::string name() const override { return "CRC24"; } + size_t output_length() const override { return 3; } + HashFunction* clone() const override { return new CRC24; } + std::unique_ptr<HashFunction> copy_state() const override; + + void clear() override { m_crc = 0XCE04B7L; } + + CRC24() { clear(); } + ~CRC24() { clear(); } + private: + void add_data(const uint8_t[], size_t) override; + void final_result(uint8_t[]) override; + uint32_t m_crc; + }; + +} + +#endif |