prk 44 fs/crypto/hkdf.c unsigned int ikmlen, u8 prk[HKDF_HASHLEN]) prk 55 fs/crypto/hkdf.c err = crypto_shash_digest(desc, ikm, ikmlen, prk); prk 71 fs/crypto/hkdf.c u8 prk[HKDF_HASHLEN]; prk 81 fs/crypto/hkdf.c if (WARN_ON(crypto_shash_digestsize(hmac_tfm) != sizeof(prk))) { prk 86 fs/crypto/hkdf.c err = hkdf_extract(hmac_tfm, master_key, master_key_size, prk); prk 90 fs/crypto/hkdf.c err = crypto_shash_setkey(hmac_tfm, prk, sizeof(prk)); prk 100 fs/crypto/hkdf.c memzero_explicit(prk, sizeof(prk));