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Searched refs:HKDF_HASHLEN (Results 1 – 1 of 1) sorted by relevance

/linux/fs/crypto/ !
H A Dhkdf.c27 #define HKDF_HASHLEN SHA512_DIGEST_SIZE macro
53 static const u8 default_salt[HKDF_HASHLEN]; in fscrypt_init_hkdf()
54 u8 prk[HKDF_HASHLEN]; in fscrypt_init_hkdf()
78 u8 tmp[HKDF_HASHLEN]; in fscrypt_hkdf_expand()
80 WARN_ON_ONCE(okmlen > 255 * HKDF_HASHLEN); in fscrypt_hkdf_expand()
82 for (unsigned int i = 0; i < okmlen; i += HKDF_HASHLEN) { in fscrypt_hkdf_expand()
85 hmac_sha512_update(&ctx, &okm[i - HKDF_HASHLEN], in fscrypt_hkdf_expand()
86 HKDF_HASHLEN); in fscrypt_hkdf_expand()
91 if (okmlen - i < HKDF_HASHLEN) { in fscrypt_hkdf_expand()