增加des ECB模式加解密

ecb.go

@@ -0,0 +1,101 @@
+package crypter
+
+import (
+	"encoding/base64"
+	"errors"
+
+	"crypto/des"
+	"encoding/hex"
+)
+
+// ECB模式加密，返回16进制结果
+func TripleECBEncryptForHex(key, plaintext string) (string, error) {
+
+	keyBytes, err := base64.StdEncoding.DecodeString(key)
+
+	if err != nil {
+		return "", err
+	}
+
+	data := []byte(plaintext)
+	ciphertext, err := TripleECBEncrypt(keyBytes, data)
+	if err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(ciphertext), nil
+}
+
+// ECB模式解密16进制密文
+func TripleECBDecryptFromHex(key, plaintext string) (string, error) {
+
+	keyBytes, err := base64.StdEncoding.DecodeString(key)
+
+	if err != nil {
+		return "", err
+	}
+
+	data, err := hex.DecodeString(plaintext)
+	if err != nil {
+		return "", err
+	}
+
+	ciphertext, err := TripleECBDecrypt(keyBytes, data)
+	if err != nil {
+		return "", err
+	}
+	return string(ciphertext), nil
+}
+
+// ECB模式加密，返回byte
+func TripleECBEncrypt(key, plaintext []byte) ([]byte, error) {
+
+	// 创建Triple DES的块加密器
+	block, err := des.NewTripleDESCipher(key)
+	if err != nil {
+		return []byte(""), err
+	}
+
+	// 创建切片来存储加密后的密文
+	ciphertext := make([]byte, len(plaintext))
+
+	// 复制明文到切片中
+	copy(ciphertext, plaintext)
+
+	// 应用PKCS#7填充
+	ciphertext = PKCS5Padding(ciphertext, block.BlockSize())
+
+	// 使用ECB模式加密填充后的数据
+	for i := 0; i < len(ciphertext); i += block.BlockSize() {
+		block.Encrypt(ciphertext[i:i+block.BlockSize()], ciphertext[i:i+block.BlockSize()])
+	}
+
+	return ciphertext, nil
+
+}
+
+// ECB模式解密，返回byte
+func TripleECBDecrypt(key, ciphertext []byte) ([]byte, error) {
+	// 创建Triple DES的块加密器（解密时也需要这个）
+	block, err := des.NewTripleDESCipher(key)
+	if err != nil {
+		return []byte(""), err
+	}
+
+	// 检查密文长度是否是8字节的倍数
+	if len(ciphertext)%des.BlockSize != 0 {
+		return []byte(""), errors.New("ciphertext is not a multiple of the block size")
+	}
+
+	// 创建一个buffer来存储解密后的明文
+	plaintext := make([]byte, len(ciphertext))
+
+	// 使用ECB模式解密
+	for i := 0; i < len(ciphertext); i += block.BlockSize() {
+		block.Decrypt(plaintext[i:i+block.BlockSize()], ciphertext[i:i+block.BlockSize()])
+	}
+	plaintext = PKCS5UnPadding(plaintext)
+
+	// 打印解密后的明文
+
+	return plaintext, nil
+}

ecb_test.go

@@ -0,0 +1,25 @@
+package crypter
+
+import (
+	"testing"
+)
+
+func Test_TripleECBEncrypt(t *testing.T) {
+	key := "7ejGP1WiZkgZ8VaIf6vBOBDFUnmByZiO" // 24字节的密钥
+	data := "这是测试 This is test!="             // 明文
+
+	d, err := TripleECBEncryptForHex(key, data)
+	t.Log(d)
+	t.Log(err)
+}
+
+func Test_TripleECBDecryptFromHex(t *testing.T) {
+	key := "7ejGP1WiZkgZ8VaIf6vBOBDFUnmByZiO" // 24字节的密钥
+
+	msg := "0a7d96e2459dfa37cd13b8611acb26dd9adf31016bdb93da0d25d6a8041005e6"
+	// msg = "38142e6afc57a2a70ccaebc906accdf050984102f405fb6b2edcea6f28feb646"
+
+	data, err := TripleECBDecryptFromHex(key, msg)
+	t.Log(data)
+	t.Log(err)
+}

go.mod

@@ -1,3 +1,5 @@
 module git.tetele.net/tgo/crypter
 
 go 1.14
+
+require golang.org/x/crypto v0.18.0 // indirect

go.sum

@@ -0,0 +1,39 @@
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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+golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
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+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

rsa.go

@@ -0,0 +1,138 @@
+package crypter
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"errors"
+	"log"
+	"os"
+)
+
+func RSA_Decode(encryptedData string, privateKey string) (string, error) {
+
+	// 解码PEM格式的私钥
+	block, _ := pem.Decode([]byte(privateKey))
+	if block == nil {
+		// fmt.Println("Failed to decode PEM private key")
+		return "", errors.New("私钥解码失败")
+	}
+
+	// 解析RSA私钥
+	privKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
+	if err != nil {
+		log.Println("Failed to parse RSA private key", err)
+		return "", errors.New("私钥解析失败")
+	}
+
+	// 解密Base64编码的数据
+	encryptedBytes, _ := base64.StdEncoding.DecodeString(encryptedData)
+
+	// 使用RSA私钥进行解密
+	decryptedBytes, err := rsa.DecryptPKCS1v15(rand.Reader, privKey, encryptedBytes)
+	if err != nil {
+		// fmt.Println("Failed to decrypt data")
+		return "", errors.New("解密失败")
+	}
+
+	// 将解密后的字节转换为字符串
+	return string(decryptedBytes), nil
+}
+
+func RSA_Encode(public_key string, msg string) (string, error) {
+
+	// publicKeyFile, err := ioutil.ReadFile(public_key)
+	// if err != nil {
+	// 	log.Println("Failed to read public key file:", err)
+	// 	return "", errors.New("没有公钥")
+	// }
+
+	block, _ := pem.Decode([]byte(public_key))
+	if block == nil {
+		log.Println("Failed to decode public key PEM.")
+		return "", errors.New("公钥解码失败")
+	}
+
+	publicKey, err := x509.ParsePKIXPublicKey(block.Bytes)
+	if err != nil {
+		log.Println("Failed to parse public key:", err)
+		return "", errors.New("公钥解析失败")
+	}
+
+	rsaPublicKey, ok := publicKey.(*rsa.PublicKey)
+	if !ok {
+		log.Println("Failed to get RSA public key.")
+		return "", errors.New("公钥错误")
+	}
+
+	plainText := []byte(msg)
+
+	cipherText, err := rsa.EncryptPKCS1v15(rand.Reader, rsaPublicKey, plainText)
+	if err != nil {
+		log.Println("Failed to encrypt data:", err)
+		return "", errors.New("加密失败")
+	}
+
+	return string(cipherText), nil
+}
+func Create(private_pem_file, public_pem_file string) {
+	// 生成 RSA 密钥对
+	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		log.Println("无法生成私钥：", err)
+		return
+	}
+
+	// 将私钥保存到文件
+	privateKeyFile, err := os.Create(private_pem_file)
+	if err != nil {
+		log.Println("无法创建私钥文件：", err)
+		return
+	}
+	defer privateKeyFile.Close()
+
+	privateKeyBlock := &pem.Block{
+		Type:  "RSA PRIVATE KEY",
+		Bytes: x509.MarshalPKCS1PrivateKey(privateKey),
+	}
+
+	err = pem.Encode(privateKeyFile, privateKeyBlock)
+	if err != nil {
+		log.Println("无法写入私钥文件：", err)
+		return
+	}
+
+	log.Println("私钥已保存到", private_pem_file)
+
+	// 生成公钥
+	publicKey := &privateKey.PublicKey
+
+	// 将公钥保存到文件
+	publicKeyFile, err := os.Create(public_pem_file)
+	if err != nil {
+		log.Println("无法创建公钥文件：", err)
+		return
+	}
+	defer publicKeyFile.Close()
+
+	publicKeyBytes, err := x509.MarshalPKIXPublicKey(publicKey)
+	if err != nil {
+		log.Println("无法编码公钥：", err)
+		return
+	}
+
+	publicKeyBlock := &pem.Block{
+		Type:  "PUBLIC KEY",
+		Bytes: publicKeyBytes,
+	}
+
+	err = pem.Encode(publicKeyFile, publicKeyBlock)
+	if err != nil {
+		log.Println("无法写入公钥文件：", err)
+		return
+	}
+
+	log.Println("公钥已保存到", public_pem_file)
+}

rsa_test.go

@@ -0,0 +1,101 @@
+package crypter
+
+import (
+	"encoding/base64"
+	"testing"
+)
+
+// func Test_RSA(t *testing.T) {
+// 	// 加密后的数据
+// 	encryptedData := "Zc8v6j8vzOQw4Ea9gA+gUgZr3I0AqjzH2aTf5wvJWtYF6HtQKzg2ZQgB9fQ6M2K1YW3J8Zr+I0w/3Y8uxR7e3bL7hYqT4A+1q8TJ6Dw0Ry1HlJ7iIgO1Zk5opxY2f9gBckmZj5yF3Z5F8IaLQXkWt9rH0c3s4tqCzUvq2Tj9v+1Sd7q8="
+// 	// RSA私钥
+// 	privateKey := `-----BEGIN RSA PRIVATE KEY-----
+// MIICXQIBAAKBgQDlTj22J4wIEvJX9sWv6Z5iG0J/1HfD7Oe2Ry5AZfU9ZTzQ9uOJ
+// dCt6M2xh9qyf5jJHnU7XKvH8WJN1wYr5X6zCqEVfA3n2i9U7jUwZ1CZtY0L6glNq
+// sUxjWbsZoJg8l5nr7+D1U2Y0EoJf3z2w6h2H8Cd8d4j6s3wRlZ8m4uX6cwIDAQAB
+// AoGBANZ4qM8Za7z1i2rH0t1a4XXg6b7y3nHyk3KvU8u7Qn8ZyFvW7C9+eIhYh5x7
+// iY9jXjA8eCjBxqVW3+4OjyA2F8H1sN3zq5sJ5XWV+8oZV0vNSm4fTfZcRf+o3R1i
+// lNSGzY/7N1oDwWq7OQoqs3X6f0Tq7l3xU4DilK8C6e9a4G7KpXHvD9Nq2YqTlHlZ
+// 2dGc2QaL6r8UfAiEA3Q5wQZaTfzR8l4R5o3l5pKkE+UQ3kqgX4yX7Cw8CQQD8Qq6
+// sVbYH3w9hQ1vXj4S0UkY4tZsVn3KjHb9EiGQ8o3T9WlKqX6k6cYs8r3F4Vn6wK32
+// aEk5eF7bAkEA6tWpYh2g3nWgWUJ8b5KdA1wLxR2JzrK4Z8LXZ8J+7R3k9TnT1D1r
+// 5vqz7L5XqK7ZtT5KuYm8Hq8bq7AqzYcQMQJANrOq9GgM7QZzYwE+LsP4kL0WgJt6
+// E5yW2h5KmK4YUZq7J8vnLxqJwR1H5rNjQ6XK5Bb5G6tMj3q1jK5FzZG7MQJAbH4I
+// yCJ6L/rz6GYz6Sxw0J3q0K6sWJdCvC3tXxTl6tDhI1C3rRgL2pV1Kxu6l3tT1Q3o
+// AM4B5wJwJzJtL8x5rQJBAIq2j9NpLX9j6tB+1lKuZUw+5UW7Lh4GgYyFZGQw7zTm
+// GrLl0Y+7K7uLd7uS9J2fOgXJz8n4X9B1CBs37f8d6Nw=
+// -----END RSA PRIVATE KEY-----`
+
+// 	ret, err := RSA(encryptedData, privateKey)
+// 	t.Log(ret)
+// 	t.Log(err)
+// }
+
+// func Test_Create(t *testing.T) {
+// 	private_file := `D:\go\go-tmp\private.pem`
+// 	public_file := `D:\go\go-tmp\public.pem`
+// 	Create(private_file, public_file)
+// }
+
+func Test_RSA_Encode(t *testing.T) {
+	// 	public_key := `-----BEGIN PUBLIC KEY-----
+	// MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArFP+5/AgprF3qHOgiJyI
+	// 798Yul7Ou2mlEBllv97cIIw0763O3BISc5+1io77q18qxEMAQEUwJeDR2GXKsGqY
+	// xS/YRxtCsHHs/y7bCLq/bFLGZGe7/tR5NQ54RjG8hGnRCGVqZVc8VItOofeldAO1
+	// tZQw+iQUNtMPGuvRvo44xWqp/f5gI3T1BxwZjwepDS2ULO/pAIhhPKHGOWYS/DjR
+	// Zu6SmO+YKxqUQRLGd1+u1bBjh5ZQARvJkJVL3zXHJ4nTvKWpOTqSIUTprMZ/pGxu
+	// /79mukI/qxJ5py0UhMkkPuVUgIX6JhTWsSEmKTedlu9TWDdIhAsOzLmA0Nd9WR9W
+	// nQIDAQAB
+	// -----END PUBLIC KEY-----`
+
+	// 	ret, err := RSA_Encode(public_key, "ccc")
+	// 	t.Log(ret)
+	// 	t.Log(err)
+
+	// 	private_key := `-----BEGIN RSA PRIVATE KEY-----
+	// MIIEogIBAAKCAQEArFP+5/AgprF3qHOgiJyI798Yul7Ou2mlEBllv97cIIw0763O
+	// 3BISc5+1io77q18qxEMAQEUwJeDR2GXKsGqYxS/YRxtCsHHs/y7bCLq/bFLGZGe7
+	// /tR5NQ54RjG8hGnRCGVqZVc8VItOofeldAO1tZQw+iQUNtMPGuvRvo44xWqp/f5g
+	// I3T1BxwZjwepDS2ULO/pAIhhPKHGOWYS/DjRZu6SmO+YKxqUQRLGd1+u1bBjh5ZQ
+	// ARvJkJVL3zXHJ4nTvKWpOTqSIUTprMZ/pGxu/79mukI/qxJ5py0UhMkkPuVUgIX6
+	// JhTWsSEmKTedlu9TWDdIhAsOzLmA0Nd9WR9WnQIDAQABAoIBAA3GnS7/ZCzPLQib
+	// Ta7+DHhYdkqXv6D9vgM+dILVFvXHH4g1db7j9vOlRcbwzS+S6QFNddytaz7r7PqG
+	// kKBvtQy2WWy9wiQGx3JS1ZGqFBlduJxYKpAhfhr+sCC0YySWrO4l5U56nckIZd3O
+	// xTwz+7erRAsLDU6gqql1RowcJG+riJyEG3K8Dx42FiOtsL3n9vMoStArKQglhvc6
+	// aDvri+Q/AldWjcKShvVhoJ45l10HkIpet/vANwNMC27zJTWMB/ssYHeTkRmDTrwZ
+	// X0X/6AFv/gfnelHpQUp3B2n+DlAOHKURsP2ithN44CrwXg+iz9fVv8VLLz/pb2Tm
+	// vFfOBGUCgYEA0ZT1Td0ekWQLeBMnuMmEMjlMKJ5Rxk7p//V3zl8izQOhagjZ3mZO
+	// eo/bkKAJbPu3CCaPA7PyDegy4QV34MR2DVrKRmRJ02xIWVsgHG/OVxHXR+oqYGdS
+	// yEYPYWr8SoZFwljt1a+N/teUOr63/UP6XL870QkIOCGLruLRuITEpoMCgYEA0n7L
+	// NgCVVWd9Sa+t4YbpyvSB49YrZ80yIAp/OcxyO7ZgI1FAIpOTr143KVbQSp3f3uzE
+	// iDwmB+jubT7DzgTOaSOin5KIPXUA2gkISxjnGLHBQBgxLEF5EvmbF16Hf0SZSDbS
+	// 01URusQ/fL9Zgxpg1QuKRHbPmiuDEsGZOrZuhF8CgYAg8rkJz6xhkQfYjbJd85hL
+	// yQQ3EoSql3dkHPQDxqMS9fInWFLgCtdlnz4WY4J31q60olMzctOn6gwtog1xkZE5
+	// kj9gh52vlkNdgNzwe4dF2vEsRhz5YOT7xT/fwdD96lQHNLHXOS0qljugbKFCOLCg
+	// ahP+Tdwz7tol2VS9HGpJ/wKBgCUZofl3qtptriBxrWUFoWlbJRWiJu5ZtU7+aqQm
+	// S7AImfM/m908Q5hyM6i+m2G7Z7zj4FPevhlAzd1FZb+HC1ZuqHgVnJuwZqEHXIXX
+	// 8stgcR455VjWhV95zQMWby1YSuf2ebwzzzcq5cG3/C/mU1DZgtpEUpzqtGR26On3
+	// Q41jAoGARkOpDEG4/Wm9k2No5GJDQ40kSwCAenjIJrz6Pk7FFaNjXePKMh2Keg7a
+	// N79uybBCD0yqJdFblR8DHpaIOIfz6lUHK8REycToo5X7WrOO2/zAUYa0v+Zaa+TK
+	// 298fm5UWMBWtwGj6gFnvwemdN5r01UqtkbNagNGxCjtZp6KSQCI=
+	// -----END RSA PRIVATE KEY-----`
+
+	// 	ret2, err := RSA_Decode(ret, private_key)
+
+	// t.Log(ret2)
+	// t.Log(err)
+	encodedStr := "MTIzNDU3ODlAJGVydDU="
+
+	// 解码Base64字符串
+	decodedBytes, err := base64.StdEncoding.DecodeString(encodedStr)
+	if err != nil {
+		t.Log("解码失败：", err)
+		return
+	}
+
+	// 将解码后的字节数组转换为字符串
+	decodedStr := string(decodedBytes)
+
+	// 打印解密后的字符串
+	t.Log(decodedStr)
+}