des.BlockSize
// The DES block size in bytes.
const BlockSize = 8
des.NewCipher
// NewCipher creates and returns a new cipher.Block.
func NewCipher(key []byte) (cipher.Block, error)
des.NewTripleDESCipher
// NewTripleDESCipher creates and returns a new cipher.Block.
func NewTripleDESCipher(key []byte) (cipher.Block, error)