106 lines
4.2 KiB
Go
106 lines
4.2 KiB
Go
package tool
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/*
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@Author : 李星辰
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@Email : 1352113079@qq.com
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@Time : 2025/03/20 16:43
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@File : key.go
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@Project : key
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@Desc :
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*/
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/sha1"
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"crypto/x509"
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"encoding/base64"
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"encoding/json"
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"encoding/pem"
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"errors"
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"log"
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)
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// 私钥
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var privateKey = "-----BEGIN RSA PRIVATE KEY-----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\naNLqThTjLOvcEjq1MahY+dzmK46GtE2L2NiYm+CKNbEyqE55pq6mWrk=\n-----END RSA PRIVATE KEY-----"
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func Keyprin(b64CipherTest string) Auth_s {
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pri_key, err := ReadParsePrivaterKey(privateKey)
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if err != nil {
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log.Println("err:", err)
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}
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//解码base64
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decodeBytes, err := base64.StdEncoding.DecodeString(b64CipherTest)
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if err != nil {
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log.Println(err)
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}
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// log.Println([]byte(decodeBytes))
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// 使用私钥解密密文
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decryptedPlainText, err := rsa.DecryptOAEP(sha1.New(), rand.Reader, pri_key, decodeBytes, nil)
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if err != nil {
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panic(err)
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}
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var auth Auth_s
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if err != json.Unmarshal(decryptedPlainText, &auth) {
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log.Println(err)
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}
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// log.Printf("Decrypted plain text: %v\n", auth.Initial_time)
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// log.Println(auth.Initial_time)
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// log.Println(auth.End_time)
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// log.Println(auth.Surplus_time)
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return auth
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}
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// 授权信息
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type Auth_s struct {
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SerialNumber string `json:"serialNumber"` //主板编号
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Username string `json:"username"` //用户名
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Initial_time string `json:"initial_time"` //初始时间
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End_time string `json:"end_time"` //结束时间
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Surplus_time string `json:"surplus_time"` //授权总时长/天
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Status string `json:"status"` //状态
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}
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// 解密
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func KeyStr(b64CipherTest string) string {
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pri_key, err := ReadParsePrivaterKey(privateKey)
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if err != nil {
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log.Println("err:", err)
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}
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//解码base64
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decodeBytes, err := base64.StdEncoding.DecodeString(b64CipherTest)
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if err != nil {
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log.Println(err)
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}
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// log.Println([]byte(decodeBytes))
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// 使用私钥解密密文
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decryptedPlainText, err := rsa.DecryptOAEP(sha1.New(), rand.Reader, pri_key, decodeBytes, nil)
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if err != nil {
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panic(err)
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}
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return string(decryptedPlainText)
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}
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// 读取私钥文件，解析出私钥对象
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func ReadParsePrivaterKey(filename string) (*rsa.PrivateKey, error) {
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// 1、读取私钥文件，获取私钥字节
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// privateKeyBytes, err := os.ReadFile(filename)
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privateKeyBytes := []byte(filename)
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// if err != nil {
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// return nil, err
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// }
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// 2、对私钥文件进行编码，生成加密块对象
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block, _ := pem.Decode([]byte(privateKeyBytes))
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if block == nil {
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return nil, errors.New("私钥信息错误！")
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}
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// 3、解析DER编码的私钥，生成私钥对象
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privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
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if err != nil {
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return nil, err
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}
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return privateKey, nil
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}
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