sm4

package
v0.0.0-...-f15522e Latest Latest
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Published: Mar 17, 2020 License: Apache-2.0, Apache-2.0 Imports: 8 Imported by: 0

Documentation

Index

Constants

View Source
const BlockSize = 16

Variables

This section is empty.

Functions

func DecryptBlock

func DecryptBlock(key SM4Key, dst, src []byte)

func EncryptBlock

func EncryptBlock(key SM4Key, dst, src []byte)

func NewCipher

func NewCipher(key []byte) (cipher.Block, error)

NewCipher creates and returns a new cipher.Block.

func WriteKeyToPem

func WriteKeyToPem(FileName string, key SM4Key, pwd []byte) (bool, error)

func WriteKeytoMem

func WriteKeytoMem(key SM4Key, pwd []byte) ([]byte, error)

Types

type KeySizeError

type KeySizeError int

func (KeySizeError) Error

func (k KeySizeError) Error() string

type SM4Key

type SM4Key []byte

func ReadKeyFromMem

func ReadKeyFromMem(data []byte, pwd []byte) (SM4Key, error)

func ReadKeyFromPem

func ReadKeyFromPem(FileName string, pwd []byte) (SM4Key, error)

type Sm4Cipher

type Sm4Cipher struct {
	// contains filtered or unexported fields
}

Cipher is an instance of SM4 encryption.

func (*Sm4Cipher) BlockSize

func (c *Sm4Cipher) BlockSize() int

func (*Sm4Cipher) Decrypt

func (c *Sm4Cipher) Decrypt(dst, src []byte)

func (*Sm4Cipher) Encrypt

func (c *Sm4Cipher) Encrypt(dst, src []byte)

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