Main
This push contains the default code for encryption.
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namespace JacobTechEncryption;
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public class Class1
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{
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}
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301
JacobTechEncryption/Encryption.cs
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301
JacobTechEncryption/Encryption.cs
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using System.Security.Cryptography;
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using System.Text;
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using JacobTechEncryption.Enums;
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namespace JacobTechEncryption;
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public class Encryption
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{
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public static class Generic
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{
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public static List<Encoding> Encoders = new()
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{
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Encoding.UTF8,
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Encoding.Unicode,
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Encoding.UTF32,
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Encoding.ASCII,
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Encoding.Latin1,
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Encoding.BigEndianUnicode
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};
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internal static byte[] Combine(byte[] first, byte[] second)
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{
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byte[] bytes = new byte[first.Length + second.Length];
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Buffer.BlockCopy(first, 0, bytes, 0, first.Length);
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Buffer.BlockCopy(second, 0, bytes, first.Length, second.Length);
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return bytes;
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}
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}
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public static class AES
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{
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public static string EncryptFile(string path, string Password)
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{
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string p = Path.GetTempFileName();
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byte[] salt = RandomNumberGenerator.GetBytes(100);
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byte[] passwordBytes = Encoding.UTF8.GetBytes(Password);
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Rfc2898DeriveBytes key = new(passwordBytes, salt, 50000);
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byte[] data = System.IO.File.ReadAllBytes(path);
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using Aes aesAlg = Aes.Create();
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aesAlg.KeySize = 256;
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aesAlg.BlockSize = 128;
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aesAlg.Padding = PaddingMode.PKCS7;
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aesAlg.Key = key.GetBytes(aesAlg.KeySize / 8);
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aesAlg.IV = key.GetBytes(aesAlg.BlockSize / 8);
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ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
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using FileStream msEncrypt = new(p, FileMode.Open);
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msEncrypt.Write(salt, 0, salt.Length);
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using CryptoStream csEncrypt = new(msEncrypt, encryptor, CryptoStreamMode.Write);
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csEncrypt.Write(data, 0, data.Length);
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csEncrypt.Dispose();
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msEncrypt.Dispose();
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return p;
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}
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public static void DecryptToFile(Stream fsCrypt, string Password, string File)
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{
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byte[] salt = new byte[100];
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fsCrypt.Read(salt, 0, salt.Length);
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byte[] passwordBytes = Encoding.UTF8.GetBytes(Password);
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Rfc2898DeriveBytes key = new(passwordBytes, salt, 50000);
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byte[] decrypted = new byte[fsCrypt.Length - salt.Length];
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using Aes aesAlg = Aes.Create();
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aesAlg.KeySize = 256;
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aesAlg.BlockSize = 128;
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aesAlg.Padding = PaddingMode.PKCS7;
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aesAlg.Key = key.GetBytes(aesAlg.KeySize / 8);
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aesAlg.IV = key.GetBytes(aesAlg.BlockSize / 8);
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ICryptoTransform encryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
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using CryptoStream csEncrypt = new(fsCrypt, encryptor, CryptoStreamMode.Read);
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FileStream fsOut = new(File, FileMode.Create);
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int read;
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byte[] buffer = new byte[fsCrypt.Length];
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while ((read = csEncrypt.Read(buffer, 0, buffer.Length)) > 0)
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{
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fsOut.Write(buffer, 0, read);
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}
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csEncrypt.Dispose();
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fsCrypt.Dispose();
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fsOut.Dispose();
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}
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public static void DecryptToFile(byte[] data, string Password, string File)
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{
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byte[] salt = new byte[100];
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using MemoryStream fsCrypt = new(data);
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fsCrypt.Read(salt, 0, salt.Length);
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byte[] passwordBytes = Encoding.UTF8.GetBytes(Password);
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Rfc2898DeriveBytes key = new(passwordBytes, salt, 50000);
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byte[] decrypted = new byte[data.Length - salt.Length];
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using Aes aesAlg = Aes.Create();
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aesAlg.KeySize = 256;
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aesAlg.BlockSize = 128;
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aesAlg.Padding = PaddingMode.PKCS7;
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aesAlg.Key = key.GetBytes(aesAlg.KeySize / 8);
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aesAlg.IV = key.GetBytes(aesAlg.BlockSize / 8);
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ICryptoTransform encryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
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using CryptoStream csEncrypt = new(fsCrypt, encryptor, CryptoStreamMode.Read);
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FileStream fsOut = new(File, FileMode.Create);
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int read;
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byte[] buffer = new byte[data.Length];
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while ((read = csEncrypt.Read(buffer, 0, buffer.Length)) > 0)
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{
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fsOut.Write(buffer, 0, read);
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}
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csEncrypt.Dispose();
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fsCrypt.Dispose();
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fsOut.Dispose();
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}
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public static byte[] Encrypt(byte[] data, string Password)
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{
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byte[] salt = RandomNumberGenerator.GetBytes(100);
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byte[] passwordBytes = Encoding.UTF8.GetBytes(Password);
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Rfc2898DeriveBytes key = new(passwordBytes, salt, 50000);
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byte[] encrypted;
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using Aes aesAlg = Aes.Create();
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aesAlg.KeySize = 256;
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aesAlg.BlockSize = 128;
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aesAlg.Padding = PaddingMode.PKCS7;
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aesAlg.Key = key.GetBytes(aesAlg.KeySize / 8);
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aesAlg.IV = key.GetBytes(aesAlg.BlockSize / 8);
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ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
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using MemoryStream msEncrypt = new();
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msEncrypt.Write(salt, 0, salt.Length);
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using CryptoStream csEncrypt = new(msEncrypt, encryptor, CryptoStreamMode.Write);
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csEncrypt.Write(data, 0, data.Length);
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csEncrypt.Dispose();
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encrypted = msEncrypt.ToArray();
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return encrypted;
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}
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public static byte[] Decrypt(byte[] data, string Password)
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{
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byte[] salt = new byte[100];
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using MemoryStream fsCrypt = new(data);
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fsCrypt.Read(salt, 0, salt.Length);
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byte[] passwordBytes = Encoding.UTF8.GetBytes(Password);
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Rfc2898DeriveBytes key = new(passwordBytes, salt, 50000);
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byte[] decrypted = new byte[data.Length - salt.Length];
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using Aes aesAlg = Aes.Create();
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aesAlg.KeySize = 256;
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aesAlg.BlockSize = 128;
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aesAlg.Padding = PaddingMode.PKCS7;
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aesAlg.Key = key.GetBytes(aesAlg.KeySize / 8);
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aesAlg.IV = key.GetBytes(aesAlg.BlockSize / 8);
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ICryptoTransform encryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
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using CryptoStream csEncrypt = new(fsCrypt, encryptor, CryptoStreamMode.Read);
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MemoryStream fsOut = new();
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int read;
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byte[] buffer = new byte[data.Length];
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while ((read = csEncrypt.Read(buffer, 0, buffer.Length)) > 0)
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{
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fsOut.Write(buffer, 0, read);
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}
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csEncrypt.Dispose();
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fsCrypt.Dispose();
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decrypted = fsOut.ToArray();
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fsOut.Dispose();
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return decrypted;
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}
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}
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public static class Hashing
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{
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public static byte[] SHA256(byte[] data, byte[]? salt = null)
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{
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using SHA256 sha = System.Security.Cryptography.SHA256.Create();
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if (salt is null) return sha.ComputeHash(data);
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else return sha.ComputeHash(Generic.Combine(data, salt));
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}
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}
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public static class RSA
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{
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public static byte[] Encrypt(string Text, RSAParameters Key, EncoderType EncoderType, bool multithread = false)
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{
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return Encrypt(Generic.Encoders[(int)EncoderType].GetBytes(Text), Key, multithread);
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}
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public static byte[] Encrypt(string Text, string Key, EncoderType EncoderType, bool multithread = false)
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{
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return Encrypt(Generic.Encoders[(int)EncoderType].GetBytes(Text), Key, multithread);
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}
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public static byte[] Encrypt(byte[] data, string key, bool multithread = false)
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{
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using RSACryptoServiceProvider rsa = new();
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rsa.FromXmlString(key);
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return Encrypt(data, rsa.ExportParameters(false), multithread);
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}
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public static byte[] Encrypt(byte[] data, RSAParameters Key, bool multithread = false)
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{
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using RSACryptoServiceProvider rsa = new();
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rsa.ImportParameters(Key);
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int size = rsa.KeySize / 8;
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double x = data.Length / (double)size;
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int bbb = int.Parse(x.ToString().Split('.')[0]);
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if (x.ToString().Contains('.')) bbb++;
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byte[]? datasplitout = Array.Empty<byte>();
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if (multithread)
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{
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byte[][]? decccc = Array.Empty<byte[]>();
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Array.Resize(ref decccc, bbb);
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int num = Convert.ToInt32(Math.Ceiling((Environment.ProcessorCount * 25) * 2.0));
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if (num == 0) num = 1;
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Parallel.For(0, bbb, new ParallelOptions()
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{
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MaxDegreeOfParallelism = num
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}, i =>
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{
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decccc[i] = rsa.Encrypt(data.Skip(i * size).Take(size).ToArray(), false);
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});
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foreach (byte[] dataa in decccc)
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{
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datasplitout = Generic.Combine(datasplitout, dataa);
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}
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}
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else
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{
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for (int i = 0; i < bbb; i++)
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{
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datasplitout = Generic.Combine(datasplitout, rsa.Encrypt(data.Skip(i * size).Take(size).ToArray(), false));
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}
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}
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return datasplitout;
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}
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public static byte[] Decrypt(byte[] EncryptedText, RSAParameters Key, bool multithread = false)
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{
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if (EncryptedText is null) throw new ArgumentNullException(nameof(EncryptedText));
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using RSACryptoServiceProvider rsa = new();
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rsa.ImportParameters(Key);
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int size = rsa.KeySize / 8;
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double x = EncryptedText.Length / (double)size;
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int bbb = int.Parse(x.ToString().Split('.')[0]);
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if (x.ToString().Contains('.')) bbb++;
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byte[]? datasplitout = Array.Empty<byte>();
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if (multithread)
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{
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byte[][]? decccc = Array.Empty<byte[]>();
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Array.Resize(ref decccc, bbb);
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int num = Convert.ToInt32(Math.Ceiling((Environment.ProcessorCount * 25) * 2.0));
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if (num == 0) num = 1;
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Parallel.For(0, bbb, new ParallelOptions()
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{
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MaxDegreeOfParallelism = num
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}, i =>
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{
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decccc[i] = rsa.Decrypt(EncryptedText.Skip(i * size).Take(size).ToArray(), false);
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});
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foreach (byte[] data in decccc)
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{
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datasplitout = Generic.Combine(datasplitout, data);
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}
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}
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else
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{
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for (int i = 0; i < bbb; i++)
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{
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datasplitout = Generic.Combine(datasplitout, rsa.Decrypt(EncryptedText.Skip(i * size).Take(size).ToArray(), false));
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}
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}
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return datasplitout;
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}
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public static byte[] Decrypt(byte[] data, string Key, bool multithread = false)
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{
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using RSACryptoServiceProvider rsa = new();
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rsa.FromXmlString(Key);
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return Decrypt(data, rsa.ExportParameters(true), multithread);
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}
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public static string Decrypt(byte[] data, string Key, EncoderType EncoderType, bool multithread = false)
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{
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using RSACryptoServiceProvider rsa = new();
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rsa.FromXmlString(Key);
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return Generic.Encoders[(int)EncoderType].GetString(Decrypt(data, rsa.ExportParameters(true), multithread));
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}
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public static string Decrypt(byte[] data, RSAParameters Key, EncoderType EncoderType, bool multithread = false)
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{
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return Generic.Encoders[(int)EncoderType].GetString(Decrypt(data, Key, multithread));
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}
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}
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}
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11
JacobTechEncryption/Enums/EncoderType.cs
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11
JacobTechEncryption/Enums/EncoderType.cs
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namespace JacobTechEncryption.Enums;
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public enum EncoderType
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{
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UTF8 = 0,
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UTF16 = 1,
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UTF32 = 2,
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ASCII = 3,
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Latin1 = 4,
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BigEndianUnicode = 5
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}
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8
JacobTechEncryption/Enums/EncryptionType.cs
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8
JacobTechEncryption/Enums/EncryptionType.cs
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namespace JacobTechEncryption.Enums;
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public enum EncryptionType : short
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{
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None = 0,
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RSA = 1,
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AES = 2,
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}
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@ -4,6 +4,15 @@
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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<Title>JacobTechEncryption</Title>
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<Authors>JacobTech</Authors>
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<RepositoryUrl>https://git.jacobtech.com/JacobTech.com/JacobTechEncryption</RepositoryUrl>
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<RepositoryType>git</RepositoryType>
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</PropertyGroup>
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<Target Name="CustomActionsAfterPublish" AfterTargets="Pack">
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<Message Text="Actions AfterPublish: $(PackageId).$(PackageVersion).nupkg" Importance="high" />
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<Exec Command="nuget push -Source https://nuget.jacobtech.com/v3/index.json bin/Release/$(PackageId).$(PackageVersion).nupkg" />
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</Target>
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</Project>
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