Esempio n. 1
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 public AsymmetricEncryption()
 {
     HA                    = GetHashAlgorithm();
     RSACSP                = GetRSACryptoServiceProvider();
     DecryptCount          = RSACSP.KeySize / 8;
     EncryptCount          = DecryptCount - 11;
     PublicKeyBase64String = RSACSP.ExportCspBlob(false).ToBase64String();
 }
Esempio n. 2
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 public AsymmetricEncryption(byte[] publicKeyBlob, byte[] privateKeyBlob)
 {
     HA     = GetHashAlgorithm();
     RSACSP = GetRSACryptoServiceProvider();
     RSACSP.ImportCspBlob(publicKeyBlob);
     RSACSP.ImportCspBlob(privateKeyBlob);
     DecryptCount          = RSACSP.KeySize / 8;
     EncryptCount          = DecryptCount - 11;
     PublicKeyBase64String = publicKeyBlob.ToBase64String();
 }
Esempio n. 3
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 /// <summary>
 /// 使用RSA进行非对称解密,使用默认私钥
 /// </summary>
 /// <param name="inputBuffer">待解密的字节数组</param>
 /// <returns>解密后的字节数组</returns>
 public byte[] Decrypt(byte[] inputBuffer)
 {
     if (inputBuffer.Length <= DecryptCount)
     {
         return(RSACSP.Decrypt(inputBuffer, false));
     }
     else
     {
         List <byte>  list   = new List <byte>();
         MemoryStream ms     = new MemoryStream(inputBuffer);
         byte[]       buffer = new byte[EncryptCount];
         while (ms.Read(buffer, 0, EncryptCount) > 0)
         {
             list.AddRange(RSACSP.Decrypt(buffer, false));
         }
         return(list.ToArray());
     }
 }
Esempio n. 4
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 /// <summary>
 /// 使用RSA进行非对称加密
 /// </summary>
 /// <param name="inputBuffer">待加密的字节数组</param>
 /// <param name="keyBlob">RSA公钥Blob字节数组</param>
 /// <returns>加密后的字节数组</returns>
 public byte[] Encrypt(byte[] inputBuffer, byte[] keyBlob)
 {
     using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
     {
         RSA.ImportCspBlob(keyBlob);
         if (inputBuffer.Length <= EncryptCount)
         {
             return(RSA.Encrypt(inputBuffer, false));
         }
         else
         {
             List <byte>  list   = new List <byte>();
             MemoryStream ms     = new MemoryStream(inputBuffer);
             byte[]       buffer = new byte[EncryptCount];
             while (ms.Read(buffer, 0, EncryptCount) > 0)
             {
                 list.AddRange(RSACSP.Encrypt(buffer, false));
             }
             return(list.ToArray());
         }
     }
 }