crc32.h

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#ifndef _CRC32_H
#define _CRC32_H
 
// Dependencies
#include "core/crypto.h"
 
// CRC32 block size
#define CRC32_BLOCK_SIZE 64
// CRC32 digest size
#define CRC32_DIGEST_SIZE 4
// Minimum length of the padding string
#define CRC32_MIN_PAD_SIZE 9
// CRC32 algorithm object identifier
#define CRC32_OID crc32Oid
// Common interface for hash algorithms
#define CRC32_HASH_ALGO (&crc32HashAlgo)
 
// C++ guard
#ifdef __cplusplus
extern "C"
{
#endif
 
typedef struct
{
   uint32_t digest;      
} Crc32Context;
 
// CRC32 related constants
extern const HashAlgo crc32HashAlgo;
 
// CycloneBOOT CRC32 related functions
error_t crc32Compute(const void *data, size_t length, uint8_t *digest);
void crc32Init(Crc32Context *context);
void crc32Update(Crc32Context *context, const void *data, size_t length);
void crc32Final(Crc32Context *context, uint8_t *digest);
void crc32FinalRaw(Crc32Context *context, uint8_t *digest);
void crc32ProcessBlock(Crc32Context *context);
 
// C++ guard
#ifdef __cplusplus
}
#endif
 
#endif