kubernetes/vendor/gopkg.in/square/go-jose.v2/cipher/concat_kdf.go

type concatKDF …

// NewConcatKDF builds a KDF reader based on the given inputs.
func NewConcatKDF(hash crypto.Hash, z, algID, ptyUInfo, ptyVInfo, supPubInfo, supPrivInfo []byte) io.Reader { … }

func (ctx *concatKDF) Read(out []byte) (int, error) { … }