go/src/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go

//go:noescape
func chacha20Poly1305Open(dst []byte, key []uint32, src, ad []byte) bool

//go:noescape
func chacha20Poly1305Seal(dst []byte, key []uint32, src, ad []byte)

var useAVX2 …

// setupState writes a ChaCha20 input matrix to state. See
// https://tools.ietf.org/html/rfc7539#section-2.3.
func setupState(state *[16]uint32, key *[32]byte, nonce []byte) { … }

func (c *chacha20poly1305) seal(dst, nonce, plaintext, additionalData []byte) []byte { … }

func (c *chacha20poly1305) open(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) { … }