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Outline
#define SHA256_H
#define SHA256_MAC_LEN
hmac_sha256_vector(const u8 *, size_t, size_t, const u8 **, const size_t *, u8 *);
hmac_sha256(const u8 *, size_t, const u8 *, size_t, u8 *);
sha256_prf(const u8 *, size_t, const char *, const u8 *, size_t, u8 *, size_t);
sha256_prf_bits(const u8 *, size_t, const char *, const u8 *, size_t, u8 *, size_t);
tls_prf_sha256(const u8 *, size_t, const char *, const u8 *, size_t, u8 *, size_t);
hmac_sha256_kdf(const u8 *, size_t, const char *, const u8 *, size_t, u8 *, size_t);
Files
ESP-IDF
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app_trace
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bt
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/wpa_supplicant/src/crypto/sha256.h
 
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/* * SHA256 hash implementation and interface functions * Copyright (c) 2003-2016, Jouni Malinen <j@w1.fi> * * This software may be distributed under the terms of the BSD license. * See README for more details. *//* ... */ #ifndef SHA256_H #define SHA256_H #define SHA256_MAC_LEN 32 int hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac); int hmac_sha256(const u8 *key, size_t key_len, const u8 *data, size_t data_len, u8 *mac); int sha256_prf(const u8 *key, size_t key_len, const char *label, const u8 *data, size_t data_len, u8 *buf, size_t buf_len); int sha256_prf_bits(const u8 *key, size_t key_len, const char *label, const u8 *data, size_t data_len, u8 *buf, size_t buf_len_bits); int tls_prf_sha256(const u8 *secret, size_t secret_len, const char *label, const u8 *seed, size_t seed_len, u8 *out, size_t outlen); int hmac_sha256_kdf(const u8 *secret, size_t secret_len, const char *label, const u8 *seed, size_t seed_len, u8 *out, size_t outlen); /* ... */ #endif /* SHA256_H */
Details