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#ifndef TOTP_SHA1_H
#define TOTP_SHA1_H
#include <stddef.h>
#include <stdint.h>
#define SHA1DGSTSZ (20)
#define SHA1BLKSZ (64)
typedef struct {
uint32_t dgst[SHA1DGSTSZ / sizeof(uint32_t)];
uint64_t msgsz;
uint8_t buf[SHA1BLKSZ];
size_t bufsz;
} sha1_t;
void sha1init(sha1_t *);
void sha1hash(sha1_t *, const uint8_t *, size_t);
void sha1end(sha1_t *, uint8_t *);
#endif /* !TOTP_SHA1_H */
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