New, and making New // too complex to inline itself. // //go:noinline func newOutlined(b *Block, key []byte) (*Block, error) { switch len(key) { case aes128KeySize, aes192KeySize, aes256KeySize: default: return nil, KeySizeError(len(key)) } return newBlock(b, key), nil } func newBlockExpanded(c *blockExpanded, key []byte) { switch len(key) { case aes128KeySize: c.rounds = aes128Rounds case aes192KeySize: c.rounds = aes192Rounds case aes256KeySize: c.rounds = aes256Rounds } expandKeyGeneric(c, key)...