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- #ifndef HMAC_SHA512_H
- #define HMAC_SHA512_H
- #include <stddef.h>
- #define HMAC_SHA512_RESULT_SIZE 64
- /* Compute Hashed Message Authentication Code with SHA-512, over BUFFER
- data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
- output to pre-allocated 64 byte minimum RESBUF buffer. Return 0 on
- success. */
- int hmac_sha512 (const void *key, size_t keylen, const void *in, size_t inlen, void *restrict resbuf);
- #endif /* HMAC_SHA512_H */
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