first commit

aes.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"bytes"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/rand"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+)
+
+// PKCS7填充
+func PKCS7Padding(ciphertext []byte, blockSize int) []byte {
+	padding := blockSize - len(ciphertext)%blockSize
+	padtext := bytes.Repeat([]byte{byte(padding)}, padding)
+	return append(ciphertext, padtext...)
+}
+
+// AES CBC模式加密，Base64传入传出
+func AesEncrypt(plainText, key []byte) (string, error) {
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return "", err
+	}
+	blockSize := block.BlockSize()
+	plainText = PKCS7Padding(plainText, blockSize)
+
+	cipherText := make([]byte, blockSize+len(plainText))
+	iv := cipherText[:blockSize] // 使用前blockSize字节作为IV
+	_, err = io.ReadFull(rand.Reader, iv)
+	if err != nil {
+		return "", err
+	}
+
+	mode := cipher.NewCBCEncrypter(block, iv)
+	mode.CryptBlocks(cipherText[blockSize:], plainText)
+
+	return base64.StdEncoding.EncodeToString(cipherText), nil
+}
+
+type Data struct {
+	Name  string `json:"name"`
+	Email string `json:"email"`
+}
+
+func main() {
+	// 定义 AES 密钥
+	key, _ := hex.DecodeString("c58e5aa2f91ddd5e0947ffc119b029c4")
+
+	var data interface{}
+
+	data = map[string]interface{}{
+		"id_card":    "45212220000827423X",
+		"mobile_no":  "18276151590",
+		"name":       "张荣宏",
+		"time_range": "5",
+	}
+
+	// 将结构体转为 JSON 字符串
+	jsonData, err := json.Marshal(data)
+	if err != nil {
+		fmt.Println("JSON 序列化错误:", err)
+		return
+	}
+
+	// 对 JSON 数据进行加密
+	encryptedData, err := AesEncrypt(jsonData, key)
+	if err != nil {
+		fmt.Println("加密错误:", err)
+		return
+	}
+
+	// 输出加密后的结果
+	fmt.Println("加密后的数据:", encryptedData)
+}