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<h1>Security Model</h1>
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<a href="../index.html">Home</a>
<a href="#overview">Overview</a>
<a href="#architecture">Security Architecture</a>
<a href="#implementation">Implementation</a>
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<section id="overview">
<h2>Overview</h2>
<p>Anya's security model is built on the principles of zero-trust architecture, defense in depth, and secure by default. The system implements multiple layers of security to protect sensitive data and operations.</p>
<h3>Key Security Features</h3>
<ul>
<li>End-to-end encryption for all sensitive data</li>
<li>Secure key generation and storage</li>
<li>Multi-factor authentication support</li>
<li>Audit logging and monitoring</li>
<li>Secure communication channels</li>
<li>Regular security updates and patches</li>
</ul>
</section>
<section id="architecture">
<h2>Security Architecture</h2>
<h3>Encryption</h3>
<p>All sensitive data is encrypted using industry-standard algorithms:</p>
<pre><code>use anya::security::{Encryption, EncryptionType};
impl SecurityManager {
/// Initialize encryption with specified algorithm
pub fn init_encryption(&self) -> Result<()> {
let encryption = Encryption::new(
EncryptionType::Aes256Gcm,
&self.config.encryption_key
)?;
// Configure encryption parameters
encryption.set_params(
iterations: 100_000,
memory_size: 64 * 1024,
parallelism: 4
)?;
Ok(())
}
}</code></pre>
<h3>Key Management</h3>
<p>Secure key management includes:</p>
<ul>
<li>Hardware Security Module (HSM) support</li>
<li>Key rotation policies</li>
<li>Secure key backup and recovery</li>
<li>Access control for key operations</li>
</ul>
<h3>Authentication</h3>
<pre><code>use anya::security::{Auth, AuthMethod};
impl SecurityManager {
/// Configure authentication methods
pub async fn setup_auth(&self) -> Result<()> {
let auth = Auth::new()
.with_method(AuthMethod::Password)
.with_method(AuthMethod::Totp)
.with_method(AuthMethod::HardwareKey);
auth.enforce_mfa(true);
auth.set_session_timeout(Duration::from_secs(3600));
Ok(())
}
}</code></pre>
</section>
<section id="implementation">
<h2>Implementation Details</h2>
<h3>Secure Storage</h3>
<pre><code>use anya::security::storage::SecureStorage;
impl SecureStorage {
/// Store sensitive data securely
pub async fn store(&self, key: &str, data: &[u8]) -> Result<()> {
// Encrypt data
let encrypted = self.encryption.encrypt(data)?;
// Store with access controls
self.storage
.with_acl(AccessLevel::Confidential)
.store(key, &encrypted)
.await?;
// Log access
self.audit_log.record(
Action::Store,
key,
self.current_user()?
).await?;
Ok(())
}
}</code></pre>
<h3>Audit Logging</h3>
<pre><code>use anya::security::audit::{AuditLog, LogLevel};
impl AuditLog {
/// Record security-relevant events
pub async fn record(
&self,
action: Action,
resource: &str,
user: &User
) -> Result<()> {
let event = AuditEvent::new()
.action(action)
.resource(resource)
.user(user)
.timestamp(Utc::now())
.metadata(self.get_context()?);
self.logger
.log(LogLevel::Security, event)
.await?;
Ok(())
}
}</code></pre>
</section>
<section id="best-practices">
<h2>Security Best Practices</h2>
<h3>Configuration</h3>
<pre><code># Security configuration example
[security]
encryption_type = "aes256gcm"
key_derivation = "argon2id"
mfa_required = true
session_timeout = 3600
audit_level = "high"
[storage]
encryption_at_rest = true
secure_delete = true
backup_encryption = true</code></pre>
<h3>Recommendations</h3>
<ul>
<li>Always use the latest version of Anya</li>
<li>Enable multi-factor authentication</li>
<li>Regularly rotate encryption keys</li>
<li>Monitor audit logs</li>
<li>Follow the principle of least privilege</li>
<li>Implement proper backup procedures</li>
</ul>
</section>
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