go/src/crypto/aes/block.go

// Encrypt one block from src into dst, using the expanded key xk.
func encryptBlockGo(xk []uint32, dst, src []byte) { … }

// Decrypt one block from src into dst, using the expanded key xk.
func decryptBlockGo(xk []uint32, dst, src []byte) { … }

// Apply sbox0 to each byte in w.
func subw(w uint32) uint32 { … }

// Rotate
func rotw(w uint32) uint32 { … }

// Key expansion algorithm. See FIPS-197, Figure 11.
// Their rcon[i] is our powx[i-1] << 24.
func expandKeyGo(key []byte, enc, dec []uint32) { … }