public string DecryptData(byte[] data)
{
var asnObj = Asn1Der.Parse(data);
return(Regex.Replace(TripleDesHelper.DescbcDecryptor(_privateKey,
asnObj.Objects[0].Objects[1].Objects[1].Data, asnObj.Objects[0].Objects[2].Data),
@"[^\u0020-\u007F]",
""));
}
public void EncryptTripleDesTest()
{
var key = CryptoHelper.GenerateKey("*****@*****.**", 16); //16 24
var strKey = Convert.ToBase64String(key);
var cipher = TripleDesHelper.Encrypt("cszfp.com", strKey);
var clear = TripleDesHelper.Decrypt(cipher, strKey);
Assert.AreEqual("cszfp.com", clear);
}
public void EncrytpTripleDesTest2()
{
var key = CryptoHelper.GenerateKey("*****@*****.**", 24);
var iv = CryptoHelper.GenerateIv(8);
var cipher = TripleDesHelper.Encrypt("cszfp.com", key, iv);
var clear = TripleDesHelper.Decrypt(cipher, key, iv);
Assert.AreEqual("cszfp.com", clear);
}
public void TripleDesTest()
{
var str = "123123";
var password = "******";
var iv = "12345678";
password.Length.ShouldBe(24);
_testOutputHelper.WriteLine(password);
var encoded = TripleDesHelper.Encrypt(str, password, iv: iv);
_testOutputHelper.WriteLine(encoded);
var decoded = TripleDesHelper.Decrypt(encoded, password, iv: iv);
decoded.ShouldBe(str);
}
public void test()
{
// var api = "http://api.test.yusuinet.com/openapi/test";
// appId
var appId = "12ae01c0d6fc4d8aa34dab379a3f5dcb";
// 密钥
var secret = "ed37a865b0484a01a91f653b";
// 计算当前时间戳
var timestamp = "1600504614";
// 使用guid生成32位随机字符
var nonce = "742b0467aa364ff491d163d400a17209";
// 使用guid生成32位请求id
// var requestId = "e28ccc72720c4b599ef84ac7100d96fd";
// 创建接口调用对象
var obj = new
{
appId,
timestamp,
nonce,
data = new
{
year = 2020,
momth = 1
}
};
var json = JsonSerializer.Serialize(obj);
_testOutputHelper.WriteLine(json);
_testOutputHelper.WriteLine("");
// 使用3des加密,ECB+PKCS7
var encrypted = TripleDesHelper.Encrypt(json, secret, CipherMode.ECB, PaddingMode.PKCS7);
_testOutputHelper.WriteLine(encrypted);
_testOutputHelper.WriteLine("");
// HmacSha256 hash
var hash = HashHelper.HMACSHA256(json, secret);
_testOutputHelper.WriteLine(hash);
}
/// <summary>
/// Encrypt Data by tripleDes
/// </summary>
/// <param name="plainText"></param>
/// <param name="key"></param>
/// <param name="IV"></param>
/// <returns></returns>
public static string EncryptString3Des(string plainText, string keyStr, string IVStr)
{
return(TripleDesHelper.EncryptString3Des(plainText, keyStr, IVStr));
}
public static string DecryptString3Des(string encryptedStr, string keyStr, string IVStr)
{
return(TripleDesHelper.DecryptString3Des(encryptedStr, keyStr, IVStr));
}
public bool Initialize(string profilePath)
{
BerkeleyDb db = new BerkeleyDb(Path.Combine(profilePath, "key3.db"));
PasswordCheck pwdCheck = new PasswordCheck(db.Keys.Where(p => p.Key.Equals("password-check"))
.Select(p => p.Value).First().Replace("-", ""));
string globalSalt = db.Keys.Where(p => p.Key.Equals("global-salt"))
.Select(p => p.Value)
.First()
.Replace("-", "");
var globalSaltBytes = StringExtensions.HexToBytes(globalSalt);
var pwdCheckSaltBytes = StringExtensions.HexToBytes(pwdCheck.EntrySalt);
var masterPassword = "";
bool CheckPassword(string password)
{
MozillaPBE checkPwd = new MozillaPBE(globalSaltBytes, Encoding.ASCII.GetBytes(password),
pwdCheckSaltBytes);
checkPwd.Compute();
string decryptedPwdChk = TripleDesHelper.DescbcDecryptor(checkPwd.Key, checkPwd.IV,
StringExtensions.HexToBytes(pwdCheck.Passwordcheck));
return(decryptedPwdChk.StartsWith("password-check"));
}
if (!CheckPassword(masterPassword))
{
var foundPassword = false;
if (PasswordList?.Length > 0)
{
foreach (var password in PasswordList)
{
masterPassword = password;
foundPassword = CheckPassword(password);
if (foundPassword)
{
break;
}
}
}
if (!foundPassword)
{
return(false);
}
}
//private key
string f81 = db.Keys.Where(p => !p.Key.Equals("global-salt") &&
!p.Key.Equals("Version") &&
!p.Key.Equals("password-check"))
.Select(p => p.Value)
.First()
.Replace("-", "");
Asn1DerObject f800001 = Asn1Der.Parse(StringExtensions.HexToBytes(f81));
MozillaPBE checkPrivateKey = new MozillaPBE(StringExtensions.HexToBytes(globalSalt),
Encoding.ASCII.GetBytes(masterPassword), f800001.Objects[0].Objects[0].Objects[1].Objects[0].Data);
checkPrivateKey.Compute();
byte[] decryptF800001 = TripleDesHelper.DescbcDecryptorByte(checkPrivateKey.Key, checkPrivateKey.IV,
f800001.Objects[0].Objects[1].Data);
Asn1DerObject f800001deriv1 = Asn1Der.Parse(decryptF800001);
Asn1DerObject f800001deriv2 = Asn1Der.Parse(f800001deriv1.Objects[0].Objects[2].Data);
if (f800001deriv2.Objects[0].Objects[3].Data.Length > 24)
{
_privateKey = new byte[24];
Array.Copy(f800001deriv2.Objects[0].Objects[3].Data,
f800001deriv2.Objects[0].Objects[3].Data.Length - 24, _privateKey, 0, 24);
}
else
{
_privateKey = f800001deriv2.Objects[0].Objects[3].Data;
}
return(true);
}