question: the password-derived credential used to unwrap keys managed by the firefox account auth server . concode_field_sep int HASH_LENGTH_HEX concode_elem_sep int CRYPTO_KEY_LENGTH_BYTES concode_elem_sep int SALT_LENGTH_HEX concode_elem_sep int NUMBER_OF_QUICK_STRETCH_ROUNDS concode_elem_sep String KW_VERSION_STRING concode_elem_sep boolean LOG_PERSONAL_INFORMATION concode_elem_sep int CRYPTO_KEY_LENGTH_HEX concode_elem_sep String LOG_TAG concode_elem_sep int SALT_LENGTH_BYTES concode_elem_sep int HASH_LENGTH_BYTES concode_field_sep byte[] unwrapkB concode_elem_sep String defaultClientName concode_elem_sep String getAudienceForURL concode_elem_sep String hexModN concode_elem_sep KeyBundle generateSyncKeyBundle concode_elem_sep byte[] generateQuickStretchedPW concode_elem_sep byte[] generateAuthPW concode_elem_sep String computeClientState concode_elem_sep byte[] KW concode_elem_sep void pii concode_elem_sep BigInteger srpVerifierLowercaseX concode_elem_sep String bytes concode_elem_sep BigInteger srpVerifierLowercaseV concode_elem_sep byte[] KWE
target: byte [ ] function ( byte [ ] arg0 ) { return HKDF . derive ( arg0 , new byte [ 0 ] , FxAccountUtils . KW ( "srini_string" ) , 32 ) ; }