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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
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/*
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* SHA256 hash implementation and interface functions
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* Copyright (c) 2003-2016, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef SHA256_H
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#define SHA256_H
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#define SHA256_MAC_LEN 32
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int hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
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const u8 *addr[], const size_t *len, u8 *mac);
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int hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
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size_t data_len, u8 *mac);
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int sha256_prf(const u8 *key, size_t key_len, const char *label,
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const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
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int sha256_prf_bits(const u8 *key, size_t key_len, const char *label,
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const u8 *data, size_t data_len, u8 *buf,
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size_t buf_len_bits);
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void tls_prf_sha256(const u8 *secret, size_t secret_len,
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const char *label, const u8 *seed, size_t seed_len,
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u8 *out, size_t outlen);
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int hmac_sha256_kdf(const u8 *secret, size_t secret_len,
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const char *label, const u8 *seed, size_t seed_len,
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u8 *out, size_t outlen);
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#endif /* SHA256_H */
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