public byte[] Encrypt(Stream msg, string key = null)
{
try
{
byte[] encryptedData;
int blockSize = 0;
using (var rsa = RSA.Create())
{
blockSize = RSAParametersKey.GetMaxBlockSize(rsa, RSAEncryptionPadding.Pkcs1);
RSAParametersKey.SetRSAKeys(rsa, key);
if (msg.Length <= blockSize)
{
var buffer = new Byte[msg.Length];
msg.Read(buffer, 0, buffer.Length);
return(rsa.Encrypt(buffer, RSAEncryptionPadding.Pkcs1));
}
using (var plaiStream = new BufferedStream(msg))
{
using (var crypStream = new MemoryStream())
{
var offSet = 0;
var inputLen = msg.Length;//总长
//循环
for (int i = 0; inputLen - offSet > 0; offSet = i * blockSize)
{
//剩余数量足够
if (inputLen - offSet > blockSize)
{
var buffer = new Byte[blockSize];
plaiStream.Read(buffer, 0, blockSize);//读取到数组中
var reslut = rsa.Encrypt(buffer, RSAEncryptionPadding.Pkcs1);
crypStream.Write(reslut, 0, reslut.Length);
}
else
{
var buffer = new byte[inputLen - offSet];
plaiStream.Read(buffer, 0, buffer.Length);
var reslut = rsa.Encrypt(buffer, RSAEncryptionPadding.Pkcs1);
crypStream.Write(reslut, 0, reslut.Length);
}
++i;
}
crypStream.Position = 0;
encryptedData = crypStream.ToArray();
}
}
}
return(encryptedData);
}
catch (Exception ex)
{
throw ex;
}
}
public CryptoServer()
{
RSAParametersKey.CreateKeys(AppDomain.CurrentDomain.BaseDirectory);
var rsaKeys = RSAParametersKey.GetRSAKey(AppDomain.CurrentDomain.BaseDirectory);
//
CipherReply.Singleton.RSAPublicKeys = rsaKeys.PublicKey;
CipherReply.Singleton.RSAPrivateKeys = rsaKeys.PrivateKey;
//
SrvSetting.IsAuthorization = true;
}
static void Main(string[] args)
{
//AES
string key = EncryptProviderKey.GetKeys();
string data = "我哎祖国c#？";
Console.WriteLine("数据:{0},Key:{1}", data, key);
AesEncryptProvider provider = new AesEncryptProvider();
string result = provider.Encrypt(data, key);
Console.WriteLine("加密后:{0},Key:{1}", result, key);
AesDecryptProvider decryptProvider = new AesDecryptProvider();
result = decryptProvider.Decrypt(result, key);
Console.WriteLine("解密后:{0},Key:{1}", result, key);
//
ManagerKeys.Singleton.GenerateKeys(AppDomain.CurrentDomain.BaseDirectory);
var keyrsa = ManagerKeys.Singleton.GetRSAKey(AppDomain.CurrentDomain.BaseDirectory);
ManagerKeys.Singleton.SetKey(null, keyrsa);
ManagerKeys.Singleton.SaveLocal("d:", keyrsa.PublicKey);
RsaEncryptProvider rsaEncrypt = new RsaEncryptProvider();
result = rsaEncrypt.Encrypt(data, keyrsa.PublicKey);
Console.WriteLine("RSA加密后:{0}", result);
RsaDecryptProvider rsaDecrypt = new RsaDecryptProvider();
result = rsaDecrypt.Decrypt(result, keyrsa.PrivateKey);
Console.WriteLine("RSA解密后:{0}", result);
//
RSAParametersKey.CreateKeys(AppDomain.CurrentDomain.BaseDirectory);
var rsaKey = RSAParametersKey.GetRSAKey(AppDomain.CurrentDomain.BaseDirectory);
RsaSrvEncryptProvider rsaSrvEncrypt = new RsaSrvEncryptProvider();
result = rsaSrvEncrypt.Encrypt(data, rsaKey.PublicKey);
Console.WriteLine("RSASRV加密后:{0}", result);
RsaSrvDecryptProvider rsaSrvDecrypt = new RsaSrvDecryptProvider();
result = rsaSrvDecrypt.Decrypt(result, rsaKey.PrivateKey);
Console.WriteLine("RSASRV解密后:{0}", result);
Console.Read();
}
public byte[] Decrypt(byte[] msg, string sKey = null)
{
byte[] decryptedData;
using (var rsa = RSA.Create())
{
int blockSize = RSAParametersKey.GetMaxBlockSize(rsa, RSAEncryptionPadding.Pkcs1) + 11;
RSAParametersKey.SetRSAKeys(rsa, sKey);
using (var plaiStream = new MemoryStream(msg))
{
using (var decrypStream = new MemoryStream())
{
var offSet = 0;
var inputLen = msg.Length;
for (var i = 0; inputLen - offSet > 0; offSet = i * blockSize)
{
if (inputLen - offSet > blockSize)
{
var buffer = new byte[blockSize];
plaiStream.Read(buffer, 0, blockSize); //读取密文
var decrypData = rsa.Decrypt(buffer, RSAEncryptionPadding.Pkcs1); //解密
decrypStream.Write(decrypData, 0, decrypData.Length);
}
else
{
var buffer = new byte[inputLen - offSet];
plaiStream.Read(buffer, 0, buffer.Length);
var decrypData = rsa.Decrypt(buffer, RSAEncryptionPadding.Pkcs1);
decrypStream.Write(decrypData, 0, decrypData.Length);
}
++i;
}
decrypStream.Position = 0;
decryptedData = decrypStream.ToArray();
}
}
}
return(decryptedData);
}