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#ifndef _SHA512_H
#define _SHA512_H
#define SHA384_SUM_LEN 48
#define SHA384_DER_LEN 19
#define SHA512_SUM_LEN 64
#define SHA512_DER_LEN 19
#define SHA512_BLOCK_SIZE 128
#define CHUNKSZ_SHA384 (16 * 1024)
#define CHUNKSZ_SHA512 (16 * 1024)
typedef struct {
uint64_t state[SHA512_SUM_LEN / 8];
uint64_t count[2];
uint8_t buf[SHA512_BLOCK_SIZE];
} sha512_context;
extern const uint8_t sha512_der_prefix[];
void sha512_starts(sha512_context * ctx);
void sha512_update(sha512_context *ctx, const uint8_t *input, uint32_t length);
void sha512_finish(sha512_context * ctx, uint8_t digest[SHA512_SUM_LEN]);
void sha512_csum_wd(const unsigned char *input, unsigned int ilen,
unsigned char *output, unsigned int chunk_sz);
extern const uint8_t sha384_der_prefix[];
void sha384_starts(sha512_context * ctx);
void sha384_update(sha512_context *ctx, const uint8_t *input, uint32_t length);
void sha384_finish(sha512_context * ctx, uint8_t digest[SHA384_SUM_LEN]);
void sha384_csum_wd(const unsigned char *input, unsigned int ilen,
unsigned char *output, unsigned int chunk_sz);
#endif /* _SHA512_H */
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