1 private const string PubKey = "BgIAAACkAABSU0ExAAQAAAEAAQAxg/L6l3AyA+Zd7Hm7ESCcS4CcgY8PvwE2arRvTbfI4+z6zPJaDkOyho9X6owIwceN9zXH5XNsAmEVYBkgmwdX5r5g8iymKywYSaVpt1FDUHRkGY39NuDVsbVJ/1DW15TTVeYLalbtOOb0h61pnaW9FgQNaYMMZSWPO8UZ9hPepw==";
2
3 private const string PriKey = "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";
4 static void Main(string[] args)
5 {
6 var aa = "123456";
7 var e = SignData(aa,PriKey);
8 var dd = VerifySerialNum(aa, e, PubKey);
9 }
10
11 /// <summary>
12 /// RSA签名数据
13 /// </summary>
14 /// <param name="input">要签名的数据</param>
15 /// <param name="priKey">base64编码的私钥</param>
16 /// <returns>签名后数据的base64字符串</returns>
17 public static string SignData(string input,string priKey)
18 {
19 try
20 {
21 using (var rsa = new RSACryptoServiceProvider(1024))
22 {
23 rsa.ImportCspBlob(Convert.FromBase64String(priKey));
24 var data = Encoding.UTF8.GetBytes(input);
25 return Convert.ToBase64String(rsa.SignData(data, new SHA1CryptoServiceProvider()));
26 }
27 }
28 catch (Exception)
29 {
30 return string.Empty;
31 }
32 }
33
34 /// <summary>
35 /// 验证数据
36 /// </summary>
37 /// <param name="input">签名前数据</param>
38 /// <param name="serialNum">SHA1签名后数据base64编码字符串</param>
39 /// <param name="pubKey">base64编码的公钥</param>
40 /// <returns></returns>
41 public static bool VerifySerialNum(string input, string serialNum, string pubKey)
42 {
43 try
44 {
45 //导入公钥
46 using (var rsa = new RSACryptoServiceProvider(1024))
47 {
48 rsa.ImportCspBlob(Convert.FromBase64String(pubKey));
49 return rsa.VerifyData(Encoding.UTF8.GetBytes(input), new SHA1CryptoServiceProvider(),
50 Convert.FromBase64String(serialNum));
51 }
52 }
53 catch (Exception)
54 {
55 return false;
56 }
57 }
