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/fs/crypto/
A Dhkdf.c58 u8 prk[HKDF_HASHLEN]; in fscrypt_init_hkdf() local
68 if (WARN_ON_ONCE(crypto_shash_digestsize(hmac_tfm) != sizeof(prk))) { in fscrypt_init_hkdf()
74 default_salt, HKDF_HASHLEN, prk); in fscrypt_init_hkdf()
78 err = crypto_shash_setkey(hmac_tfm, prk, sizeof(prk)); in fscrypt_init_hkdf()
88 memzero_explicit(prk, sizeof(prk)); in fscrypt_init_hkdf()

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