sm4

Documentation

Index

• Constants
• func Decrypt(dataP string, key []byte) (string, error)
• func DecryptBlock(key SM4Key, dst, src []byte)
• func Encrypt(datap string, key []byte) (string, error)
• func EncryptBlock(key SM4Key, dst, src []byte)
• func NewCipher(key []byte) (cipher.Block, error)
• func PKCS5Padding(ciphertext []byte, blockSize int) []byte
• func PKCS5UnPadding(origData []byte) []byte
• func WriteKeyToPem(FileName string, key SM4Key, pwd []byte) (bool, error)
• func WriteKeytoMem(key SM4Key, pwd []byte) ([]byte, error)
• type KeySizeError
  • func (k KeySizeError) Error() string
• type SM4Key
  • func ReadKeyFromMem(data []byte, pwd []byte) (SM4Key, error)
  • func ReadKeyFromPem(FileName string, pwd []byte) (SM4Key, error)
• type Sm4Cipher
  • func (c *Sm4Cipher) BlockSize() int
  • func (c *Sm4Cipher) Decrypt(dst, src []byte)
  • func (c *Sm4Cipher) Encrypt(dst, src []byte)

Constants

const BlockSize = 16

Functions

func Decrypt

func Decrypt(dataP string, key []byte) (string, error)

func DecryptBlock

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

func Encrypt

func Encrypt(datap string, key []byte) (string, error)

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 PKCS5Padding

func PKCS5Padding(ciphertext []byte, blockSize int) []byte

func PKCS5UnPadding

func PKCS5UnPadding(origData []byte) []byte

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)