🔷 Security Implementation in C# TuskLang
Security Implementation in C# TuskLang
Overview
Security is paramount in any application. This guide covers authentication, authorization, encryption, secure configuration, and security best practices for C# TuskLang applications.
🔐 Authentication
JWT Authentication Service
public class JwtAuthenticationService
{
private readonly TSKConfig _config;
private readonly IUserService _userService;
private readonly ILogger<JwtAuthenticationService> _logger;
private readonly IPasswordHasher _passwordHasher;
public JwtAuthenticationService(
TSKConfig config,
IUserService userService,
ILogger<JwtAuthenticationService> logger,
IPasswordHasher passwordHasher)
{
_config = config;
_userService = userService;
_logger = logger;
_passwordHasher = passwordHasher;
}
public async Task<AuthenticationResult> AuthenticateAsync(string email, string password)
{
try
{
// Get user by email
var user = await _userService.GetUserByEmailAsync(email);
if (user == null)
{
_logger.LogWarning("Authentication failed: User not found for email {Email}", email);
return AuthenticationResult.Failure("Invalid credentials");
}
// Verify password
if (!_passwordHasher.VerifyPassword(password, user.PasswordHash))
{
_logger.LogWarning("Authentication failed: Invalid password for user {UserId}", user.Id);
return AuthenticationResult.Failure("Invalid credentials");
}
// Check if user is active
if (!user.IsActive)
{
_logger.LogWarning("Authentication failed: Inactive user {UserId}", user.Id);
return AuthenticationResult.Failure("Account is deactivated");
}
// Generate JWT token
var token = await GenerateJwtTokenAsync(user);
// Record successful login
await RecordLoginAsync(user.Id, true);
_logger.LogInformation("User {UserId} authenticated successfully", user.Id);
return AuthenticationResult.Success(token, user);
}
catch (Exception ex)
{
_logger.LogError(ex, "Authentication error for email {Email}", email);
return AuthenticationResult.Failure("Authentication failed");
}
}
public async Task<AuthenticationResult> RefreshTokenAsync(string refreshToken)
{
try
{
var principal = ValidateRefreshToken(refreshToken);
var userId = int.Parse(principal.FindFirst("user_id")?.Value ?? "0");
if (userId == 0)
{
return AuthenticationResult.Failure("Invalid refresh token");
}
var user = await _userService.GetUserByIdAsync(userId);
if (user == null || !user.IsActive)
{
return AuthenticationResult.Failure("User not found or inactive");
}
var newToken = await GenerateJwtTokenAsync(user);
return AuthenticationResult.Success(newToken, user);
}
catch (Exception ex)
{
_logger.LogError(ex, "Token refresh failed");
return AuthenticationResult.Failure("Token refresh failed");
}
}
private async Task<string> GenerateJwtTokenAsync(UserDto user)
{
var jwtSecret = _config.Get<string>("security.jwt_secret");
var tokenExpiration = _config.Get<int>("security.token_expiration_minutes", 60);
var refreshTokenExpiration = _config.Get<int>("security.refresh_token_expiration_days", 7);
if (string.IsNullOrEmpty(jwtSecret))
{
throw new InvalidOperationException("JWT secret not configured");
}
var tokenHandler = new JwtSecurityTokenHandler();
var key = Encoding.ASCII.GetBytes(jwtSecret);
var claims = new List<Claim>
{
new Claim("user_id", user.Id.ToString()),
new Claim("email", user.Email),
new Claim("role", user.Role),
new Claim("jti", Guid.NewGuid().ToString()),
new Claim("iat", DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString(), ClaimValueTypes.Integer64)
};
var tokenDescriptor = new SecurityTokenDescriptor
{
Subject = new ClaimsIdentity(claims),
Expires = DateTime.UtcNow.AddMinutes(tokenExpiration),
SigningCredentials = new SigningCredentials(
new SymmetricSecurityKey(key),
SecurityAlgorithms.HmacSha256Signature),
Issuer = _config.Get<string>("security.jwt_issuer", "tusklang-app"),
Audience = _config.Get<string>("security.jwt_audience", "tusklang-users")
};
var token = tokenHandler.CreateToken(tokenDescriptor);
return tokenHandler.WriteToken(token);
}
private ClaimsPrincipal ValidateRefreshToken(string refreshToken)
{
var jwtSecret = _config.Get<string>("security.jwt_secret");
var key = Encoding.ASCII.GetBytes(jwtSecret);
var tokenHandler = new JwtSecurityTokenHandler();
tokenHandler.ValidateToken(refreshToken, new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = new SymmetricSecurityKey(key),
ValidateIssuer = false,
ValidateAudience = false,
ClockSkew = TimeSpan.Zero
}, out SecurityToken validatedToken);
return tokenHandler.ValidateToken(refreshToken, new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = new SymmetricSecurityKey(key),
ValidateIssuer = false,
ValidateAudience = false,
ClockSkew = TimeSpan.Zero
}, out _);
}
private async Task RecordLoginAsync(int userId, bool success)
{
try
{
await _userService.RecordLoginAttemptAsync(userId, success, DateTime.UtcNow);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to record login attempt for user {UserId}", userId);
}
}
}public class AuthenticationResult
{
public bool IsSuccess { get; private set; }
public string? Token { get; private set; }
public UserDto? User { get; private set; }
public string? ErrorMessage { get; private set; }
public static AuthenticationResult Success(string token, UserDto user)
{
return new AuthenticationResult
{
IsSuccess = true,
Token = token,
User = user
};
}
public static AuthenticationResult Failure(string errorMessage)
{
return new AuthenticationResult
{
IsSuccess = false,
ErrorMessage = errorMessage
};
}
}
Password Security
public interface IPasswordHasher
{
string HashPassword(string password);
bool VerifyPassword(string password, string hash);
}public class BCryptPasswordHasher : IPasswordHasher
{
private readonly ILogger<BCryptPasswordHasher> _logger;
public BCryptPasswordHasher(ILogger<BCryptPasswordHasher> logger)
{
_logger = logger;
}
public string HashPassword(string password)
{
if (string.IsNullOrEmpty(password))
{
throw new ArgumentException("Password cannot be null or empty", nameof(password));
}
// Use BCrypt with work factor 12 (good balance of security and performance)
return BCrypt.Net.BCrypt.HashPassword(password, 12);
}
public bool VerifyPassword(string password, string hash)
{
if (string.IsNullOrEmpty(password) || string.IsNullOrEmpty(hash))
{
return false;
}
try
{
return BCrypt.Net.BCrypt.Verify(password, hash);
}
catch (Exception ex)
{
_logger.LogError(ex, "Password verification failed");
return false;
}
}
}
public class PasswordPolicyValidator
{
private readonly TSKConfig _config;
private readonly ILogger<PasswordPolicyValidator> _logger;
public PasswordPolicyValidator(TSKConfig config, ILogger<PasswordPolicyValidator> logger)
{
_config = config;
_logger = logger;
}
public ValidationResult ValidatePassword(string password)
{
var result = new ValidationResult();
var minLength = _config.Get<int>("security.password.min_length", 8);
var requireUppercase = _config.Get<bool>("security.password.require_uppercase", true);
var requireLowercase = _config.Get<bool>("security.password.require_lowercase", true);
var requireDigit = _config.Get<bool>("security.password.require_digit", true);
var requireSpecialChar = _config.Get<bool>("security.password.require_special_char", true);
if (password.Length < minLength)
{
result.AddError($"Password must be at least {minLength} characters long");
}
if (requireUppercase && !password.Any(char.IsUpper))
{
result.AddError("Password must contain at least one uppercase letter");
}
if (requireLowercase && !password.Any(char.IsLower))
{
result.AddError("Password must contain at least one lowercase letter");
}
if (requireDigit && !password.Any(char.IsDigit))
{
result.AddError("Password must contain at least one digit");
}
if (requireSpecialChar && !password.Any(c => !char.IsLetterOrDigit(c)))
{
result.AddError("Password must contain at least one special character");
}
return result;
}
}
🛡️ Authorization
Role-Based Authorization
public class AuthorizationService
{
private readonly ILogger<AuthorizationService> _logger;
private readonly TSKConfig _config;
private readonly IUserService _userService;
public AuthorizationService(ILogger<AuthorizationService> logger, TSKConfig config, IUserService userService)
{
_logger = logger;
_config = config;
_userService = userService;
}
public async Task<bool> AuthorizeAsync(int userId, string requiredRole)
{
try
{
var user = await _userService.GetUserByIdAsync(userId);
if (user == null)
{
return false;
}
return HasRole(user.Role, requiredRole);
}
catch (Exception ex)
{
_logger.LogError(ex, "Authorization failed for user {UserId} with role {RequiredRole}", userId, requiredRole);
return false;
}
}
public async Task<bool> AuthorizeResourceAsync(int userId, string resourceType, int resourceId)
{
try
{
var user = await _userService.GetUserByIdAsync(userId);
if (user == null)
{
return false;
}
// Admin users can access all resources
if (HasRole(user.Role, "admin"))
{
return true;
}
// Check resource-specific permissions
return await CheckResourcePermissionAsync(user, resourceType, resourceId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Resource authorization failed for user {UserId} on {ResourceType} {ResourceId}",
userId, resourceType, resourceId);
return false;
}
}
private bool HasRole(string userRole, string requiredRole)
{
// Role hierarchy: admin > manager > user
var roleHierarchy = new Dictionary<string, int>
{
["user"] = 1,
["manager"] = 2,
["admin"] = 3
};
if (!roleHierarchy.ContainsKey(userRole) || !roleHierarchy.ContainsKey(requiredRole))
{
return false;
}
return roleHierarchy[userRole] >= roleHierarchy[requiredRole];
}
private async Task<bool> CheckResourcePermissionAsync(UserDto user, string resourceType, int resourceId)
{
// Implementation depends on your resource permission model
// This is a simplified example
switch (resourceType.ToLower())
{
case "user":
// Users can only access their own data
return user.Id == resourceId;
case "document":
// Check document ownership or shared permissions
return await CheckDocumentPermissionAsync(user.Id, resourceId);
default:
return false;
}
}
private async Task<bool> CheckDocumentPermissionAsync(int userId, int documentId)
{
// Implementation would check document ownership or shared permissions
// This is a placeholder
await Task.CompletedTask;
return false;
}
}[AttributeUsage(AttributeTargets.Method | AttributeTargets.Class)]
public class AuthorizeAttribute : Attribute
{
public string Role { get; set; } = string.Empty;
public string ResourceType { get; set; } = string.Empty;
public AuthorizeAttribute(string role = "")
{
Role = role;
}
public AuthorizeAttribute(string role, string resourceType)
{
Role = role;
ResourceType = resourceType;
}
}
Permission-Based Authorization
public class PermissionService
{
private readonly ILogger<PermissionService> _logger;
private readonly TSKConfig _config;
private readonly IDbConnection _connection;
public PermissionService(ILogger<PermissionService> logger, TSKConfig config, IDbConnection connection)
{
_logger = logger;
_config = config;
_connection = connection;
}
public async Task<bool> HasPermissionAsync(int userId, string permission)
{
try
{
var query = @"
SELECT COUNT(*)
FROM user_permissions up
JOIN permissions p ON up.permission_id = p.id
WHERE up.user_id = @UserId AND p.name = @Permission";
var parameters = new { UserId = userId, Permission = permission };
var count = await _connection.ExecuteScalarAsync<int>(query, parameters);
return count > 0;
}
catch (Exception ex)
{
_logger.LogError(ex, "Permission check failed for user {UserId} with permission {Permission}",
userId, permission);
return false;
}
}
public async Task<List<string>> GetUserPermissionsAsync(int userId)
{
try
{
var query = @"
SELECT p.name
FROM user_permissions up
JOIN permissions p ON up.permission_id = p.id
WHERE up.user_id = @UserId";
var parameters = new { UserId = userId };
var permissions = await _connection.QueryAsync<string>(query, parameters);
return permissions.ToList();
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to get permissions for user {UserId}", userId);
return new List<string>();
}
}
public async Task<bool> GrantPermissionAsync(int userId, string permission)
{
try
{
// First, ensure the permission exists
var permissionId = await GetOrCreatePermissionAsync(permission);
// Check if user already has this permission
var existingQuery = @"
SELECT COUNT(*)
FROM user_permissions
WHERE user_id = @UserId AND permission_id = @PermissionId";
var existingParameters = new { UserId = userId, PermissionId = permissionId };
var existingCount = await _connection.ExecuteScalarAsync<int>(existingQuery, existingParameters);
if (existingCount > 0)
{
return true; // Permission already granted
}
// Grant the permission
var grantQuery = @"
INSERT INTO user_permissions (user_id, permission_id, granted_at)
VALUES (@UserId, @PermissionId, @GrantedAt)";
var grantParameters = new { UserId = userId, PermissionId = permissionId, GrantedAt = DateTime.UtcNow };
await _connection.ExecuteAsync(grantQuery, grantParameters);
_logger.LogInformation("Permission {Permission} granted to user {UserId}", permission, userId);
return true;
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to grant permission {Permission} to user {UserId}", permission, userId);
return false;
}
}
public async Task<bool> RevokePermissionAsync(int userId, string permission)
{
try
{
var permissionId = await GetPermissionIdAsync(permission);
if (permissionId == 0)
{
return false; // Permission doesn't exist
}
var query = @"
DELETE FROM user_permissions
WHERE user_id = @UserId AND permission_id = @PermissionId";
var parameters = new { UserId = userId, PermissionId = permissionId };
var rowsAffected = await _connection.ExecuteAsync(query, parameters);
if (rowsAffected > 0)
{
_logger.LogInformation("Permission {Permission} revoked from user {UserId}", permission, userId);
}
return rowsAffected > 0;
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to revoke permission {Permission} from user {UserId}", permission, userId);
return false;
}
}
private async Task<int> GetOrCreatePermissionAsync(string permission)
{
var permissionId = await GetPermissionIdAsync(permission);
if (permissionId == 0)
{
var createQuery = @"
INSERT INTO permissions (name, description, created_at)
VALUES (@Name, @Description, @CreatedAt)
RETURNING id";
var parameters = new { Name = permission, Description = $"Permission: {permission}", CreatedAt = DateTime.UtcNow };
permissionId = await _connection.ExecuteScalarAsync<int>(createQuery, parameters);
}
return permissionId;
}
private async Task<int> GetPermissionIdAsync(string permission)
{
var query = "SELECT id FROM permissions WHERE name = @Name";
var parameters = new { Name = permission };
return await _connection.ExecuteScalarAsync<int>(query, parameters);
}
}
🔒 Encryption
Data Encryption Service
public class EncryptionService
{
private readonly ILogger<EncryptionService> _logger;
private readonly TSKConfig _config;
private readonly byte[] _key;
private readonly byte[] _iv;
public EncryptionService(ILogger<EncryptionService> logger, TSKConfig config)
{
_logger = logger;
_config = config;
var encryptionKey = _config.Get<string>("security.encryption_key");
if (string.IsNullOrEmpty(encryptionKey) || encryptionKey.Length < 32)
{
throw new InvalidOperationException("Encryption key must be at least 32 characters long");
}
_key = Encoding.UTF8.GetBytes(encryptionKey.Substring(0, 32));
_iv = Encoding.UTF8.GetBytes(encryptionKey.Substring(0, 16));
}
public async Task<string> EncryptAsync(string plaintext)
{
if (string.IsNullOrEmpty(plaintext))
{
return plaintext;
}
try
{
using var aes = Aes.Create();
aes.Key = _key;
aes.IV = _iv;
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
using var encryptor = aes.CreateEncryptor();
using var ms = new MemoryStream();
using var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write);
using var writer = new StreamWriter(cs);
await writer.WriteAsync(plaintext);
await writer.FlushAsync();
cs.FlushFinalBlock();
var encryptedBytes = ms.ToArray();
return Convert.ToBase64String(encryptedBytes);
}
catch (Exception ex)
{
_logger.LogError(ex, "Encryption failed");
throw new EncryptionException("Failed to encrypt data", ex);
}
}
public async Task<string> DecryptAsync(string ciphertext)
{
if (string.IsNullOrEmpty(ciphertext))
{
return ciphertext;
}
try
{
var encryptedBytes = Convert.FromBase64String(ciphertext);
using var aes = Aes.Create();
aes.Key = _key;
aes.IV = _iv;
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
using var decryptor = aes.CreateDecryptor();
using var ms = new MemoryStream(encryptedBytes);
using var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read);
using var reader = new StreamReader(cs);
return await reader.ReadToEndAsync();
}
catch (Exception ex)
{
_logger.LogError(ex, "Decryption failed");
throw new EncryptionException("Failed to decrypt data", ex);
}
}
public async Task<byte[]> EncryptBytesAsync(byte[] data)
{
if (data == null || data.Length == 0)
{
return data;
}
try
{
using var aes = Aes.Create();
aes.Key = _key;
aes.IV = _iv;
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
using var encryptor = aes.CreateEncryptor();
using var ms = new MemoryStream();
using var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write);
await cs.WriteAsync(data);
await cs.FlushAsync();
cs.FlushFinalBlock();
return ms.ToArray();
}
catch (Exception ex)
{
_logger.LogError(ex, "Byte encryption failed");
throw new EncryptionException("Failed to encrypt bytes", ex);
}
}
public async Task<byte[]> DecryptBytesAsync(byte[] encryptedData)
{
if (encryptedData == null || encryptedData.Length == 0)
{
return encryptedData;
}
try
{
using var aes = Aes.Create();
aes.Key = _key;
aes.IV = _iv;
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
using var decryptor = aes.CreateDecryptor();
using var ms = new MemoryStream(encryptedData);
using var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read);
using var resultMs = new MemoryStream();
await cs.CopyToAsync(resultMs);
return resultMs.ToArray();
}
catch (Exception ex)
{
_logger.LogError(ex, "Byte decryption failed");
throw new EncryptionException("Failed to decrypt bytes", ex);
}
}
}public class EncryptionException : Exception
{
public EncryptionException(string message) : base(message)
{
}
public EncryptionException(string message, Exception innerException) : base(message, innerException)
{
}
}
Secure Configuration
public class SecureConfigurationService
{
private readonly ILogger<SecureConfigurationService> _logger;
private readonly TSKConfig _config;
private readonly EncryptionService _encryptionService;
public SecureConfigurationService(
ILogger<SecureConfigurationService> logger,
TSKConfig config,
EncryptionService encryptionService)
{
_logger = logger;
_config = config;
_encryptionService = encryptionService;
}
public async Task<string> GetSecureValueAsync(string key, string? defaultValue = null)
{
try
{
var encryptedValue = _config.Get<string>(key);
if (string.IsNullOrEmpty(encryptedValue))
{
return defaultValue ?? string.Empty;
}
// Check if value is encrypted (starts with ENC:)
if (encryptedValue.StartsWith("ENC:"))
{
var ciphertext = encryptedValue.Substring(4);
return await _encryptionService.DecryptAsync(ciphertext);
}
return encryptedValue;
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to get secure value for key {Key}", key);
return defaultValue ?? string.Empty;
}
}
public async Task SetSecureValueAsync(string key, string value)
{
try
{
var encryptedValue = await _encryptionService.EncryptAsync(value);
_config.Set(key, $"ENC:{encryptedValue}");
_logger.LogInformation("Secure value set for key {Key}", key);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to set secure value for key {Key}", key);
throw;
}
}
public async Task<bool> IsEncryptedAsync(string key)
{
var value = _config.Get<string>(key);
return !string.IsNullOrEmpty(value) && value.StartsWith("ENC:");
}
public async Task<List<string>> GetEncryptedKeysAsync()
{
var encryptedKeys = new List<string>();
var allKeys = _config.GetAllKeys();
foreach (var key in allKeys)
{
if (await IsEncryptedAsync(key))
{
encryptedKeys.Add(key);
}
}
return encryptedKeys;
}
}
🚨 Security Monitoring
Security Event Logger
public class SecurityEventLogger
{
private readonly ILogger<SecurityEventLogger> _logger;
private readonly TSKConfig _config;
private readonly IDbConnection _connection;
public SecurityEventLogger(ILogger<SecurityEventLogger> logger, TSKConfig config, IDbConnection connection)
{
_logger = logger;
_config = config;
_connection = connection;
}
public async Task LogSecurityEventAsync(SecurityEvent securityEvent)
{
try
{
// Log to database
await LogToDatabaseAsync(securityEvent);
// Log to application logs
LogToApplicationLogs(securityEvent);
// Send alerts for critical events
if (securityEvent.Severity == SecurityEventSeverity.Critical)
{
await SendSecurityAlertAsync(securityEvent);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to log security event: {EventType}", securityEvent.EventType);
}
}
private async Task LogToDatabaseAsync(SecurityEvent securityEvent)
{
var query = @"
INSERT INTO security_events (
event_type, user_id, ip_address, user_agent, severity,
description, metadata, created_at
) VALUES (
@EventType, @UserId, @IpAddress, @UserAgent, @Severity,
@Description, @Metadata, @CreatedAt
)";
var parameters = new
{
securityEvent.EventType,
securityEvent.UserId,
securityEvent.IpAddress,
securityEvent.UserAgent,
Severity = securityEvent.Severity.ToString(),
securityEvent.Description,
Metadata = JsonSerializer.Serialize(securityEvent.Metadata),
CreatedAt = DateTime.UtcNow
};
await _connection.ExecuteAsync(query, parameters);
}
private void LogToApplicationLogs(SecurityEvent securityEvent)
{
var logLevel = securityEvent.Severity switch
{
SecurityEventSeverity.Low => LogLevel.Information,
SecurityEventSeverity.Medium => LogLevel.Warning,
SecurityEventSeverity.High => LogLevel.Error,
SecurityEventSeverity.Critical => LogLevel.Critical,
_ => LogLevel.Information
};
_logger.Log(logLevel, "Security Event: {EventType} - {Description} - User: {UserId} - IP: {IpAddress}",
securityEvent.EventType, securityEvent.Description, securityEvent.UserId, securityEvent.IpAddress);
}
private async Task SendSecurityAlertAsync(SecurityEvent securityEvent)
{
var alertUrl = _config.Get<string>("security.alert_webhook_url");
if (string.IsNullOrEmpty(alertUrl))
{
return;
}
try
{
using var client = new HttpClient();
var alert = new SecurityAlert
{
EventType = securityEvent.EventType,
Severity = securityEvent.Severity.ToString(),
Description = securityEvent.Description,
UserId = securityEvent.UserId,
IpAddress = securityEvent.IpAddress,
Timestamp = DateTime.UtcNow,
ServiceName = _config.Get<string>("app.name", "unknown"),
Environment = _config.Get<string>("app.environment", "unknown")
};
var json = JsonSerializer.Serialize(alert);
var content = new StringContent(json, Encoding.UTF8, "application/json");
var response = await client.PostAsync(alertUrl, content);
response.EnsureSuccessStatusCode();
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to send security alert for event {EventType}", securityEvent.EventType);
}
}
}public class SecurityEvent
{
public string EventType { get; set; } = string.Empty;
public int? UserId { get; set; }
public string? IpAddress { get; set; }
public string? UserAgent { get; set; }
public SecurityEventSeverity Severity { get; set; }
public string Description { get; set; } = string.Empty;
public Dictionary<string, object> Metadata { get; set; } = new();
}
public enum SecurityEventSeverity
{
Low,
Medium,
High,
Critical
}
public class SecurityAlert
{
public string EventType { get; set; } = string.Empty;
public string Severity { get; set; } = string.Empty;
public string Description { get; set; } = string.Empty;
public int? UserId { get; set; }
public string? IpAddress { get; set; }
public DateTime Timestamp { get; set; }
public string ServiceName { get; set; } = string.Empty;
public string Environment { get; set; } = string.Empty;
}
📝 Summary
This guide covered comprehensive security implementation strategies for C# TuskLang applications:
- Authentication: JWT-based authentication with password security and policy validation - Authorization: Role-based and permission-based authorization systems - Encryption: Data encryption service for sensitive information - Secure Configuration: Encrypted configuration values and secure key management - Security Monitoring: Security event logging and alerting systems
These security implementation strategies ensure your C# TuskLang applications are secure, compliant, and protected against various security threats.