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SourceVuESP-IDF Framework and ExamplesESP-IDFhkdf_expand()

hkdf_expand() function

Syntax

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Summary

Declaration

from sae.c:536

static int hkdf_expand(size_t hash_len, const u8 *prk, size_t prk_len, const char *info, u8 *okm, size_t okm_len);

Arguments

Argument

Declared as

hash_len

size_t

prk

const u8 *

prk_len

size_t

info

const char *

okm

u8 *

okm_len

size_t

References

Code

Location

Referrer

static int hkdf_expand(size_t hash_len, const u8 *prk, size_t prk_len,

sae.c:536

if (hkdf_expand(hash_len, pwd_seed, hash_len,

sae.c:847

sae_derive_pt_ecc()

if (hkdf_expand(hash_len, pwd_seed, hash_len,

sae.c:869

sae_derive_pt_ecc()

if (hkdf_expand(hash_len, pwd_seed, hash_len,

sae.c:951

sae_derive_pt_ffc()

Call Tree

hkdf_expand() is called by 2 functions and calls 1 function:

sae_derive_pt_ecc()

sae_derive_pt_ffc()

hkdf_expand()

hmac_sha256_kdf()

Data Use

hkdf_expand():

hkdf_expand()

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