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12 lines
399 B
C
12 lines
399 B
C
#pragma once
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#include <stddef.h>
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#define HMAC_SHA256_RESULT_SIZE 32
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/* Compute Hashed Message Authentication Code with SHA-256, over BUFFER
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data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
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output to pre-allocated 32 byte minimum RESBUF buffer. Return 0 on
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success. */
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int hmac_sha256(const void* key, size_t keylen, const void* in, size_t inlen, void* restrict resbuf);
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