77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
package main
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import (
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"bytes"
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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)
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// PKCS7填充
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func PKCS7Padding(ciphertext []byte, blockSize int) []byte {
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padding := blockSize - len(ciphertext)%blockSize
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padtext := bytes.Repeat([]byte{byte(padding)}, padding)
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return append(ciphertext, padtext...)
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}
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// AES CBC模式加密，Base64传入传出
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func AesEncrypt(plainText, key []byte) (string, error) {
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block, err := aes.NewCipher(key)
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if err != nil {
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return "", err
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}
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blockSize := block.BlockSize()
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plainText = PKCS7Padding(plainText, blockSize)
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cipherText := make([]byte, blockSize+len(plainText))
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iv := cipherText[:blockSize] // 使用前blockSize字节作为IV
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_, err = io.ReadFull(rand.Reader, iv)
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if err != nil {
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return "", err
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}
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mode := cipher.NewCBCEncrypter(block, iv)
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mode.CryptBlocks(cipherText[blockSize:], plainText)
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return base64.StdEncoding.EncodeToString(cipherText), nil
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}
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type Data struct {
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Name string `json:"name"`
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Email string `json:"email"`
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}
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func main() {
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// 定义 AES 密钥
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key, _ := hex.DecodeString("958de6826370b57d9ae93b88e5009e26")
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var data interface{}
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data = map[string]interface{}{
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"id_card": "45212220000827423X",
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"name": "张荣宏",
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}
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// 将结构体转为 JSON 字符串
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jsonData, err := json.Marshal(data)
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if err != nil {
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fmt.Println("JSON 序列化错误:", err)
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return
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}
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// 对 JSON 数据进行加密
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encryptedData, err := AesEncrypt(jsonData, key)
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if err != nil {
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fmt.Println("加密错误:", err)
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return
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}
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// 输出加密后的结果
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fmt.Println("加密后的数据:", encryptedData)
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}
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