encrypt

package

v0.0.0-...-8be4249 Latest Latest Go to latest Published: Mar 26, 2020 License: Apache-2.0 Imports: 12 Imported by: 0

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Valid go.mod file

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Repository

github.com/kafkalm/filesystem

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func Bin2Dec(bin string) int
func Bin2Str(bits []string) string
func DESDecrypt(ciphertext, key []byte) ([]byte, error)
func DESEncrypt(plaintext, key []byte) ([]byte, error)
func Display(key []string, table []int) []string
func Divide_64(s string) []string
func DumpPrivateKeyToBase64(privatekey *rsa.PrivateKey) string
func DumpPrivateKeyToFile(privatekey *rsa.PrivateKey, filename string) error
func DumpPublicKeyToBase64(publickey *rsa.PublicKey) string
func DumpPublicKeyToFile(publickey *rsa.PublicKey, filename string) error
func Echange(R []string) []string
func GenKey(bit int) (*rsa.PublicKey, *rsa.PrivateKey, error)
func Int2Bit(b rune) []string
func Key(key string) []string
func KeyExpansion(key []string) [][]string
func LS(key []string, i int) []string
func LoadPrivateKeyFromBase64(keybase64 string) (*rsa.PrivateKey, error)
func LoadPrivateKeyFromFile(filename string) (*rsa.PrivateKey, error)
func LoadPublicKeyFromBase64(keybase64 string) (*rsa.PublicKey, error)
func LoadPublicKeyFromFile(filename string) (*rsa.PublicKey, error)
func MyDESDecrypt(ciphertext, key string) string
func MyDESEncrypt(plaintext, key string) string
func PKCS5Padding(cipherText []byte, blockSize int) []byte
func PKCS5UnPadding(origData []byte) []byte
func RSADecrypt(ciphertxt string, privatekey *rsa.PrivateKey) (string, error)
func RSAEncrypt(plaintext string, publickey *rsa.PublicKey) (string, error)
func Schange(E []string) []string
func SliceCount(slice []string, c string) int
func Str2Bit(s string) []string
func XOR(k1, k2 []string) []string

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	Ip_table = []int{
		58, 50, 42, 34, 26, 18, 10, 2,
		60, 52, 44, 36, 28, 20, 12, 4,
		62, 54, 46, 38, 30, 22, 14, 6,
		64, 56, 48, 40, 32, 24, 16, 8,
		57, 49, 41, 33, 25, 17, 9, 1,
		59, 51, 43, 35, 27, 19, 11, 3,
		61, 53, 45, 37, 29, 21, 13, 5,
		63, 55, 47, 39, 31, 23, 15, 7,
	}
	Ip_table_1 = []int{
		40, 8, 48, 16, 56, 24, 64, 32,
		39, 7, 47, 15, 55, 23, 63, 31,
		38, 6, 46, 14, 54, 22, 62, 30,
		37, 5, 45, 13, 53, 21, 61, 29,
		36, 4, 44, 12, 52, 20, 60, 28,
		35, 3, 43, 11, 51, 19, 59, 27,
		34, 2, 42, 10, 50, 18, 58, 26,
		33, 1, 41, 9, 49, 17, 57, 25,
	}
	Pc_1_table = []int{
		57, 49, 41, 33, 25, 17, 9,
		1, 58, 50, 42, 34, 26, 18,
		10, 2, 59, 51, 43, 35, 27,
		19, 11, 3, 60, 52, 44, 36,
		63, 55, 47, 39, 31, 23, 15,
		7, 62, 54, 46, 38, 30, 22,
		14, 6, 61, 53, 45, 37, 29,
		21, 13, 5, 28, 20, 12, 4,
	}
	Pc_2_table = []int{
		14, 17, 11, 24, 1, 5,
		3, 28, 15, 6, 21, 10,
		23, 19, 12, 4, 26, 8,
		16, 7, 27, 20, 13, 2,
		41, 52, 31, 37, 47, 55,
		30, 40, 51, 45, 33, 48,
		44, 49, 39, 56, 34, 53,
		46, 42, 50, 36, 29, 32,
	}
	S_box = [8][64]int{
		{
			14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
			0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
			4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
			15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13,
		},
		{
			15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
			3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
			0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
			13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9,
		},
		{
			10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
			13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
			13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
			1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12,
		},
		{
			7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
			13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
			10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
			3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14,
		},
		{
			2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
			14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
			4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
			11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3,
		},
		{
			12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
			10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
			9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
			4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13,
		},
		{
			4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
			13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
			1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
			6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12,
		},
		{
			13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
			1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
			7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
			2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11,
		},
	}
	P_table = []int{
		16, 7, 20, 21,
		29, 12, 28, 17,
		1, 15, 23, 26, 5,
		18, 31, 10, 2, 8,
		24, 14, 32, 27,
		3, 9, 19, 13, 30,
		6, 22, 11, 4, 25,
	}
)

Functions ¶

func Bin2Dec ¶

func Bin2Dec(bin string) int

二进制字符串转十进制整数

func Bin2Str ¶

func Bin2Str(bits []string) string

8个bit转成字符

func DESDecrypt ¶

func DESDecrypt(ciphertext, key []byte) ([]byte, error)

func DESEncrypt ¶

func DESEncrypt(plaintext, key []byte) ([]byte, error)

func Display ¶

func Display(key []string, table []int) []string

置换函数

func Divide_64 ¶

func Divide_64(s string) []string

明文/密文分为 64bit 一组并填充

func DumpPrivateKeyToBase64 ¶

func DumpPrivateKeyToBase64(privatekey *rsa.PrivateKey) string

key输出为base64编码字符串

func DumpPrivateKeyToFile ¶

func DumpPrivateKeyToFile(privatekey *rsa.PrivateKey, filename string) error

key保存到文件中

func DumpPublicKeyToBase64 ¶

func DumpPublicKeyToBase64(publickey *rsa.PublicKey) string

func DumpPublicKeyToFile ¶

func DumpPublicKeyToFile(publickey *rsa.PublicKey, filename string) error

func Echange ¶

func Echange(R []string) []string

E变换

func GenKey ¶

func GenKey(bit int) (*rsa.PublicKey, *rsa.PrivateKey, error)

生成密钥

func Int2Bit ¶

func Int2Bit(b rune) []string

一个整数返回8位二进制字符串切片如整数 10 会返回 [ "0" "0" "0" "0" "1" "0" "1" "0"]

func Key ¶

func Key(key string) []string

奇校验

func KeyExpansion ¶

func KeyExpansion(key []string) [][]string

密钥扩展

func LS ¶

func LS(key []string, i int) []string

左移函数

func LoadPrivateKeyFromBase64 ¶

func LoadPrivateKeyFromBase64(keybase64 string) (*rsa.PrivateKey, error)

base64编码字符串解码为key

func LoadPrivateKeyFromFile ¶

func LoadPrivateKeyFromFile(filename string) (*rsa.PrivateKey, error)

从文件中读取key

func LoadPublicKeyFromBase64 ¶

func LoadPublicKeyFromBase64(keybase64 string) (*rsa.PublicKey, error)

func LoadPublicKeyFromFile ¶

func LoadPublicKeyFromFile(filename string) (*rsa.PublicKey, error)

func MyDESDecrypt ¶

func MyDESDecrypt(ciphertext, key string) string

解密函数

func MyDESEncrypt ¶

func MyDESEncrypt(plaintext, key string) string

加密函数

func PKCS5Padding ¶

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

func PKCS5UnPadding ¶

func PKCS5UnPadding(origData []byte) []byte

func RSADecrypt ¶

func RSADecrypt(ciphertxt string, privatekey *rsa.PrivateKey) (string, error)

解密

func RSAEncrypt ¶

func RSAEncrypt(plaintext string, publickey *rsa.PublicKey) (string, error)

加密

func Schange ¶

func Schange(E []string) []string

S-盒变换

func SliceCount ¶

func SliceCount(slice []string, c string) int

统计切片中字符个数

func Str2Bit ¶

func Str2Bit(s string) []string

字符串转换为二进制8bit形式

func XOR ¶

func XOR(k1, k2 []string) []string

异或操作

Types ¶

This section is empty.

Source Files ¶

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