sm4

package

v0.0.4 Latest Latest Go to latest Published: Feb 1, 2023 License: Apache-2.0 Imports: 12 Imported by: 1

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Repository

github.com/hxx258456/ccgo

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Documentation ¶

Rendered for

Overview ¶

Package sm4 handle shangmi sm4 symmetric encryption algorithm

Index ¶

Constants
func NewCipher(key []byte) (cipher.Block, error)
func PKCS7Padding(src []byte) []byte
func PKCS7UnPadding(src []byte) ([]byte, error)
func Sm4DecryptCbc(encryptData, key, iv []byte) (plainData []byte, err error)
func Sm4DecryptCfb(encryptData, key, iv []byte) (plainData []byte, err error)
func Sm4DecryptGcm(encryptData, key, nonce []byte) ([]byte, error)
func Sm4DecryptGcmWithNonce(encryptData, key, nonce, dst []byte) ([]byte, error)
func Sm4DecryptOfb(encryptData, key, iv []byte) (plainData []byte, err error)
func Sm4EncryptCbc(plainData, key []byte) (iv, encryptData []byte, err error)
func Sm4EncryptCfb(plainData, key []byte) (iv, encryptData []byte, err error)
func Sm4EncryptGcm(plainData, key []byte) (nonce, encryptData []byte, err error)
func Sm4EncryptGcmWithNonce(plainData, key, nonce, dst []byte) (encryptData []byte, err error)
func Sm4EncryptOfb(plainData, key []byte) (iv, encryptData []byte, err error)

Constants ¶

View Source

const (
	INST_AES int = iota
	INST_SM4
)

View Source

const BlockSize = 16

BlockSize the sm4 block size in bytes.

Variables ¶

This section is empty.

Functions ¶

func NewCipher ¶

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

NewCipher creates and returns a new cipher.Block. The key argument should be the SM4 key,

func PKCS7Padding ¶

func PKCS7Padding(src []byte) []byte

PKCS7Padding 根据pkcs7标准填充明文

func PKCS7UnPadding ¶

func PKCS7UnPadding(src []byte) ([]byte, error)

PKCS7UnPadding 根据pkcs7标准去除填充

func Sm4DecryptCbc ¶

func Sm4DecryptCbc(encryptData, key, iv []byte) (plainData []byte, err error)

Sm4DecryptCbc sm4解密，CBC模式

func Sm4DecryptCfb ¶

func Sm4DecryptCfb(encryptData, key, iv []byte) (plainData []byte, err error)

Sm4DecryptCfb sm4解密，CFB模式

func Sm4DecryptGcm ¶

func Sm4DecryptGcm(encryptData, key, nonce []byte) ([]byte, error)

Sm4DecryptGcm sm4解密，GCM模式

func Sm4DecryptGcmWithNonce ¶

func Sm4DecryptGcmWithNonce(encryptData, key, nonce, dst []byte) ([]byte, error)

Sm4DecryptGcmWithNonce sm4解密，GCM模式

func Sm4DecryptOfb ¶

func Sm4DecryptOfb(encryptData, key, iv []byte) (plainData []byte, err error)

Sm4DecryptOfb sm4解密，OFB模式

func Sm4EncryptCbc ¶

func Sm4EncryptCbc(plainData, key []byte) (iv, encryptData []byte, err error)

Sm4EncryptCbc sm4加密，CBC模式

func Sm4EncryptCfb ¶

func Sm4EncryptCfb(plainData, key []byte) (iv, encryptData []byte, err error)

Sm4EncryptCfb sm4加密，CFB模式

func Sm4EncryptGcm ¶

func Sm4EncryptGcm(plainData, key []byte) (nonce, encryptData []byte, err error)

Sm4EncryptGcm sm4加密，GCM模式

func Sm4EncryptGcmWithNonce ¶

func Sm4EncryptGcmWithNonce(plainData, key, nonce, dst []byte) (encryptData []byte, err error)

Sm4EncryptGcmWithNonce sm4加密，GCM模式

func Sm4EncryptOfb ¶

func Sm4EncryptOfb(plainData, key []byte) (iv, encryptData []byte, err error)

Sm4EncryptOfb sm4加密，OFB模式

Types ¶

This section is empty.

Source Files ¶

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