public static string Decrypt(string utf8Data, string privateKey)
{
RsaPkcs8Util rsa = new RsaPkcs8Util(Encoding.UTF8, null, privateKey);
var result = rsa.Encrypt(utf8Data, RSAEncryptionPadding.Pkcs1);
return(result);
}
public static string Encrypt(string str, string publicKey, string privateKey, int keySize)
{
using (var rsa = new RsaPkcs8Util(Encoding.UTF8, publicKey, privateKey, keySize))
{
return(rsa.Encrypt(str, RSAEncryptionPadding.Pkcs1));
}
}
public static string Encrypt(string data, string publicKey)
{
RsaPkcs8Util rsa = new RsaPkcs8Util(Encoding.UTF8, publicKey);
var result = rsa.Encrypt(data, RSAEncryptionPadding.Pkcs1);
return(result);
}
/// <summary>
/// JavaRsa公钥加密,SHA256,字符长度不能大于公钥长度
/// </summary>
/// <param name="text"></param>
/// <param name="publicKey"></param>
/// <param name="signFormat"></param>
/// <returns></returns>
public static string JavaRsaEncrypt(string text, string publicKey, RsaSignFormat signFormat = RsaSignFormat.Base64)
{
var rsaProvider = new RsaPkcs8Util(Encoding.UTF8, publicKey);
var encryptData = rsaProvider.Encrypt(text, RSAEncryptionPadding.Pkcs1);
if (signFormat == RsaSignFormat.Hex) // => byte => hex
{
encryptData = ToHexString(Convert.FromBase64String(encryptData));
}
return(encryptData);
}
/// <summary>
/// RSA 加密,解密，签名和验签
/// </summary>
public static void RSASignFunc(string privateKey, string publicKey, EnumUserType enumUserType)
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
switch (enumUserType)
{
case EnumUserType.xml:
RsaXmlUtil rsaXmlUtil = new RsaXmlUtil(Encoding.UTF8, publicKey, privateKey);
var encrypt = rsaXmlUtil.Encrypt("123456789", RSAEncryptionPadding.Pkcs1);
var encryptInput = rsaXmlUtil.Decrypt(encrypt, RSAEncryptionPadding.Pkcs1);
Console.Write("XML加解密是否成功:");
Console.WriteLine(encryptInput is "123456789");
var sign = rsaXmlUtil.SignData("987654321", HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var verifyData = rsaXmlUtil.VerifyData("987654321", sign, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.Write("XML签名是否成功");
Console.WriteLine(verifyData);
break;
case EnumUserType.pkcs1:
RsaPkcs1Util rsaPkcs1Util = new RsaPkcs1Util(Encoding.UTF8, publicKey, privateKey);
var encrypt2 = rsaPkcs1Util.Encrypt("123456789", RSAEncryptionPadding.Pkcs1);
var encryptInput2 = rsaPkcs1Util.Decrypt(encrypt2, RSAEncryptionPadding.Pkcs1);
Console.Write("PKCS1加解密是否成功:");
Console.WriteLine(encryptInput2 is "123456789");
var sign2 = rsaPkcs1Util.SignData("987654321", HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var verifyData2 = rsaPkcs1Util.VerifyData("987654321", sign2, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.Write("PKCS1签名是否成功");
Console.WriteLine(verifyData2);
break;
default:
RsaPkcs8Util rsaPkcs8Util = new RsaPkcs8Util(Encoding.UTF8, publicKey, privateKey);
var encrypt3 = rsaPkcs8Util.Encrypt("123456789", RSAEncryptionPadding.Pkcs1);
var encryptInput3 = rsaPkcs8Util.Decrypt(encrypt3, RSAEncryptionPadding.Pkcs1);
Console.Write("PKCS8加解密是否成功:");
Console.WriteLine(encryptInput3 is "123456789");
var sign3 = rsaPkcs8Util.SignData("987654321", HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var verifyData3 = rsaPkcs8Util.VerifyData("987654321", sign3, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.Write("PKCS8签名是否成功");
Console.WriteLine(verifyData3);
break;
}
}