xtea

package module
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Published: Mar 8, 2020 License: BSD-3-Clause Imports: 1 Imported by: 0

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Constants

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const BlockSize = 8

The XTEA block size in bytes.

Variables

This section is empty.

Functions

This section is empty.

Types

type Cipher

type Cipher struct {
	// contains filtered or unexported fields
}

A Cipher is an instance of an XTEA cipher using a particular key.

func NewCipher

func NewCipher(key []byte) (*Cipher, error)

NewCipher creates and returns a new Cipher. The key argument should be the XTEA key. XTEA only supports 128 bit (16 byte) keys.

func (*Cipher) BlockSize

func (c *Cipher) BlockSize() int

BlockSize returns the XTEA block size, 8 bytes. It is necessary to satisfy the Block interface in the package "crypto/cipher".

func (*Cipher) Decrypt

func (c *Cipher) Decrypt(dst, src []byte)

Decrypt decrypts the 8 byte buffer src using the key and stores the result in dst.

func (*Cipher) Encrypt

func (c *Cipher) Encrypt(dst, src []byte)

Encrypt encrypts the 8 byte buffer src using the key and stores the result in dst. Note that for amounts of data larger than a block, it is not safe to just call Encrypt on successive blocks; instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).

type KeySizeError

type KeySizeError int

func (KeySizeError) Error

func (k KeySizeError) Error() string

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