53 lines
1.5 KiB
C#
53 lines
1.5 KiB
C#
using System.IO;
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using System.Security.Cryptography;
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using RageCoop.Core;
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namespace RageCoop.Client
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{
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internal class Security
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{
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public Security()
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{
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ClientAes.GenerateKey();
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ClientAes.GenerateIV();
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}
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public RSA ServerRSA { get; set; }
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public Aes ClientAes { get; set; } = Aes.Create();
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public void GetSymmetricKeysCrypted(out byte[] cryptedKey, out byte[] cryptedIV)
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{
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// Logger?.Debug($"Aes.Key:{ClientAes.Key.Dump()}, Aes.IV:{ClientAes.IV.Dump()}");
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cryptedKey = ServerRSA.Encrypt(ClientAes.Key, RSAEncryptionPadding.Pkcs1);
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cryptedIV = ServerRSA.Encrypt(ClientAes.IV, RSAEncryptionPadding.Pkcs1);
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}
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public byte[] Encrypt(byte[] data)
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{
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return new CryptoStream(new MemoryStream(data), ClientAes.CreateEncryptor(), CryptoStreamMode.Read)
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.ReadToEnd();
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}
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public byte[] Decrypt(byte[] data)
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{
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return new CryptoStream(new MemoryStream(data), ClientAes.CreateDecryptor(), CryptoStreamMode.Read)
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.ReadToEnd();
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}
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public void SetServerPublicKey(byte[] modulus, byte[] exponent)
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{
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var para = new RSAParameters();
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para.Modulus = modulus;
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para.Exponent = exponent;
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ServerRSA = RSA.Create(para);
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}
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public void Regen()
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{
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ClientAes = Aes.Create();
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ClientAes.GenerateKey();
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ClientAes.GenerateIV();
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}
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}
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} |