6a59d34bb1
Update configuration files, templates, and internal documentation for the provisioning repository system. Configuration Updates: - KMS configuration modernization - Plugin system settings - Service port mappings - Test cluster topologies - Installation configuration examples - VM configuration defaults - Cedar authorization policies Documentation Updates: - Library module documentation - Extension API guides - AI system documentation - Service management guides - Test environment setup - Plugin usage guides - Validator configuration documentation All changes are backward compatible.
663 lines
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<main>
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<h1 id="rustyvault-kms-backend-guide"><a class="header" href="#rustyvault-kms-backend-guide">RustyVault KMS Backend Guide</a></h1>
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<p><strong>Version</strong>: 1.0.0
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<strong>Date</strong>: 2025-10-08
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<strong>Status</strong>: Production-ready</p>
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<hr />
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<h2 id="overview"><a class="header" href="#overview">Overview</a></h2>
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<p>RustyVault is a self-hosted, Rust-based secrets management system that provides a <strong>Vault-compatible API</strong>. The provisioning platform now supports RustyVault as a KMS backend alongside Age, Cosmian, AWS KMS, and HashiCorp Vault.</p>
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<h3 id="why-rustyvault"><a class="header" href="#why-rustyvault">Why RustyVault?</a></h3>
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<ul>
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<li><strong>Self-hosted</strong>: Full control over your key management infrastructure</li>
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<li><strong>Pure Rust</strong>: Better performance and memory safety</li>
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<li><strong>Vault-compatible</strong>: Drop-in replacement for HashiCorp Vault Transit engine</li>
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<li><strong>OSI-approved License</strong>: Apache 2.0 (vs HashiCorp’s BSL)</li>
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<li><strong>Embeddable</strong>: Can run as standalone service or embedded library</li>
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<li><strong>No Vendor Lock-in</strong>: Open-source alternative to proprietary KMS solutions</li>
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</ul>
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<hr />
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<h2 id="architecture-position"><a class="header" href="#architecture-position">Architecture Position</a></h2>
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<pre><code>KMS Service Backends:
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├── Age (local development, file-based)
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├── Cosmian (privacy-preserving, production)
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├── AWS KMS (cloud-native AWS)
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├── HashiCorp Vault (enterprise, external)
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└── RustyVault (self-hosted, embedded) ✨ NEW
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</code></pre>
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<hr />
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<h2 id="installation"><a class="header" href="#installation">Installation</a></h2>
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<h3 id="option-1-standalone-rustyvault-server"><a class="header" href="#option-1-standalone-rustyvault-server">Option 1: Standalone RustyVault Server</a></h3>
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<pre><code class="language-bash"># Install RustyVault binary
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cargo install rusty_vault
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# Start RustyVault server
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rustyvault server -config=/path/to/config.hcl
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</code></pre>
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<h3 id="option-2-docker-deployment"><a class="header" href="#option-2-docker-deployment">Option 2: Docker Deployment</a></h3>
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<pre><code class="language-bash"># Pull RustyVault image (if available)
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docker pull tongsuo/rustyvault:latest
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# Run RustyVault container
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docker run -d \
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--name rustyvault \
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-p 8200:8200 \
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-v $(pwd)/config:/vault/config \
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-v $(pwd)/data:/vault/data \
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tongsuo/rustyvault:latest
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</code></pre>
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<h3 id="option-3-from-source"><a class="header" href="#option-3-from-source">Option 3: From Source</a></h3>
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<pre><code class="language-bash"># Clone repository
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git clone https://github.com/Tongsuo-Project/RustyVault.git
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cd RustyVault
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# Build and run
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cargo build --release
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./target/release/rustyvault server -config=config.hcl
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</code></pre>
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<hr />
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<h2 id="configuration"><a class="header" href="#configuration">Configuration</a></h2>
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<h3 id="rustyvault-server-configuration"><a class="header" href="#rustyvault-server-configuration">RustyVault Server Configuration</a></h3>
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<p>Create <code>rustyvault-config.hcl</code>:</p>
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<pre><code class="language-hcl"># RustyVault Server Configuration
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storage "file" {
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path = "/vault/data"
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}
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listener "tcp" {
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address = "0.0.0.0:8200"
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tls_disable = true # Enable TLS in production
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}
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api_addr = "http://127.0.0.1:8200"
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cluster_addr = "https://127.0.0.1:8201"
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# Enable Transit secrets engine
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default_lease_ttl = "168h"
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max_lease_ttl = "720h"
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</code></pre>
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<h3 id="initialize-rustyvault"><a class="header" href="#initialize-rustyvault">Initialize RustyVault</a></h3>
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<pre><code class="language-bash"># Initialize (first time only)
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export VAULT_ADDR='http://127.0.0.1:8200'
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rustyvault operator init
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# Unseal (after every restart)
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rustyvault operator unseal <unseal_key_1>
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rustyvault operator unseal <unseal_key_2>
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rustyvault operator unseal <unseal_key_3>
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# Save root token
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export RUSTYVAULT_TOKEN='<root_token>'
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</code></pre>
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<h3 id="enable-transit-engine"><a class="header" href="#enable-transit-engine">Enable Transit Engine</a></h3>
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<pre><code class="language-bash"># Enable transit secrets engine
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rustyvault secrets enable transit
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# Create encryption key
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rustyvault write -f transit/keys/provisioning-main
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# Verify key creation
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rustyvault read transit/keys/provisioning-main
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</code></pre>
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<hr />
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<h2 id="kms-service-configuration"><a class="header" href="#kms-service-configuration">KMS Service Configuration</a></h2>
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<h3 id="update-provisioningconfigkmstoml"><a class="header" href="#update-provisioningconfigkmstoml">Update <code>provisioning/config/kms.toml</code></a></h3>
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<pre><code class="language-toml">[kms]
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type = "rustyvault"
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server_url = "http://localhost:8200"
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token = "${RUSTYVAULT_TOKEN}"
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mount_point = "transit"
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key_name = "provisioning-main"
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tls_verify = true
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[service]
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bind_addr = "0.0.0.0:8081"
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log_level = "info"
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audit_logging = true
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[tls]
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enabled = false # Set true with HTTPS
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</code></pre>
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<h3 id="environment-variables"><a class="header" href="#environment-variables">Environment Variables</a></h3>
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<pre><code class="language-bash"># RustyVault connection
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export RUSTYVAULT_ADDR="http://localhost:8200"
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export RUSTYVAULT_TOKEN="s.xxxxxxxxxxxxxxxxxxxxxx"
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export RUSTYVAULT_MOUNT_POINT="transit"
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export RUSTYVAULT_KEY_NAME="provisioning-main"
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export RUSTYVAULT_TLS_VERIFY="true"
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# KMS service
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export KMS_BACKEND="rustyvault"
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export KMS_BIND_ADDR="0.0.0.0:8081"
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</code></pre>
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<hr />
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<h2 id="usage"><a class="header" href="#usage">Usage</a></h2>
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<h3 id="start-kms-service"><a class="header" href="#start-kms-service">Start KMS Service</a></h3>
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<pre><code class="language-bash"># With RustyVault backend
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cd provisioning/platform/kms-service
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cargo run
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# With custom config
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cargo run -- --config=/path/to/kms.toml
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</code></pre>
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<h3 id="cli-operations"><a class="header" href="#cli-operations">CLI Operations</a></h3>
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<pre><code class="language-bash"># Encrypt configuration file
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provisioning kms encrypt provisioning/config/secrets.yaml
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# Decrypt configuration
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provisioning kms decrypt provisioning/config/secrets.yaml.enc
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# Generate data key (envelope encryption)
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provisioning kms generate-key --spec AES256
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# Health check
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provisioning kms health
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</code></pre>
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<h3 id="rest-api-usage"><a class="header" href="#rest-api-usage">REST API Usage</a></h3>
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<pre><code class="language-bash"># Health check
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curl http://localhost:8081/health
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# Encrypt data
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curl -X POST http://localhost:8081/encrypt \
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-H "Content-Type: application/json" \
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-d '{
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"plaintext": "SGVsbG8sIFdvcmxkIQ==",
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"context": "environment=production"
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}'
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# Decrypt data
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curl -X POST http://localhost:8081/decrypt \
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-H "Content-Type: application/json" \
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-d '{
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"ciphertext": "vault:v1:...",
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"context": "environment=production"
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}'
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# Generate data key
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curl -X POST http://localhost:8081/datakey/generate \
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-H "Content-Type: application/json" \
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-d '{"key_spec": "AES_256"}'
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</code></pre>
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<hr />
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<h2 id="advanced-features"><a class="header" href="#advanced-features">Advanced Features</a></h2>
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<h3 id="context-based-encryption-aad"><a class="header" href="#context-based-encryption-aad">Context-based Encryption (AAD)</a></h3>
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<p>Additional authenticated data binds encrypted data to specific contexts:</p>
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<pre><code class="language-bash"># Encrypt with context
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curl -X POST http://localhost:8081/encrypt \
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-d '{
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"plaintext": "c2VjcmV0",
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"context": "environment=prod,service=api"
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}'
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|
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# Decrypt requires same context
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curl -X POST http://localhost:8081/decrypt \
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-d '{
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"ciphertext": "vault:v1:...",
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"context": "environment=prod,service=api"
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}'
|
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</code></pre>
|
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<h3 id="envelope-encryption"><a class="header" href="#envelope-encryption">Envelope Encryption</a></h3>
|
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<p>For large files, use envelope encryption:</p>
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<pre><code class="language-bash"># 1. Generate data key
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DATA_KEY=$(curl -X POST http://localhost:8081/datakey/generate \
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-d '{"key_spec": "AES_256"}' | jq -r '.plaintext')
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# 2. Encrypt large file with data key (locally)
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openssl enc -aes-256-cbc -in large-file.bin -out encrypted.bin -K $DATA_KEY
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# 3. Store encrypted data key (from response)
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echo "vault:v1:..." > encrypted-data-key.txt
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</code></pre>
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<h3 id="key-rotation"><a class="header" href="#key-rotation">Key Rotation</a></h3>
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<pre><code class="language-bash"># Rotate encryption key in RustyVault
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rustyvault write -f transit/keys/provisioning-main/rotate
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# Verify new version
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rustyvault read transit/keys/provisioning-main
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# Rewrap existing ciphertext with new key version
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curl -X POST http://localhost:8081/rewrap \
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-d '{"ciphertext": "vault:v1:..."}'
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</code></pre>
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<hr />
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<h2 id="production-deployment"><a class="header" href="#production-deployment">Production Deployment</a></h2>
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<h3 id="high-availability-setup"><a class="header" href="#high-availability-setup">High Availability Setup</a></h3>
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<p>Deploy multiple RustyVault instances behind a load balancer:</p>
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<pre><code class="language-yaml"># docker-compose.yml
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version: '3.8'
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services:
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rustyvault-1:
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image: tongsuo/rustyvault:latest
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ports:
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- "8200:8200"
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volumes:
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- ./config:/vault/config
|
||
- vault-data-1:/vault/data
|
||
|
||
rustyvault-2:
|
||
image: tongsuo/rustyvault:latest
|
||
ports:
|
||
- "8201:8200"
|
||
volumes:
|
||
- ./config:/vault/config
|
||
- vault-data-2:/vault/data
|
||
|
||
lb:
|
||
image: nginx:alpine
|
||
ports:
|
||
- "80:80"
|
||
volumes:
|
||
- ./nginx.conf:/etc/nginx/nginx.conf
|
||
depends_on:
|
||
- rustyvault-1
|
||
- rustyvault-2
|
||
|
||
volumes:
|
||
vault-data-1:
|
||
vault-data-2:
|
||
</code></pre>
|
||
<h3 id="tls-configuration"><a class="header" href="#tls-configuration">TLS Configuration</a></h3>
|
||
<pre><code class="language-toml"># kms.toml
|
||
[kms]
|
||
type = "rustyvault"
|
||
server_url = "https://vault.example.com:8200"
|
||
token = "${RUSTYVAULT_TOKEN}"
|
||
tls_verify = true
|
||
|
||
[tls]
|
||
enabled = true
|
||
cert_path = "/etc/kms/certs/server.crt"
|
||
key_path = "/etc/kms/certs/server.key"
|
||
ca_path = "/etc/kms/certs/ca.crt"
|
||
</code></pre>
|
||
<h3 id="auto-unseal-aws-kms"><a class="header" href="#auto-unseal-aws-kms">Auto-Unseal (AWS KMS)</a></h3>
|
||
<pre><code class="language-hcl"># rustyvault-config.hcl
|
||
seal "awskms" {
|
||
region = "us-east-1"
|
||
kms_key_id = "arn:aws:kms:us-east-1:123456789012:key/..."
|
||
}
|
||
</code></pre>
|
||
<hr />
|
||
<h2 id="monitoring"><a class="header" href="#monitoring">Monitoring</a></h2>
|
||
<h3 id="health-checks"><a class="header" href="#health-checks">Health Checks</a></h3>
|
||
<pre><code class="language-bash"># RustyVault health
|
||
curl http://localhost:8200/v1/sys/health
|
||
|
||
# KMS service health
|
||
curl http://localhost:8081/health
|
||
|
||
# Metrics (if enabled)
|
||
curl http://localhost:8081/metrics
|
||
</code></pre>
|
||
<h3 id="audit-logging"><a class="header" href="#audit-logging">Audit Logging</a></h3>
|
||
<p>Enable audit logging in RustyVault:</p>
|
||
<pre><code class="language-hcl"># rustyvault-config.hcl
|
||
audit {
|
||
path = "/vault/logs/audit.log"
|
||
format = "json"
|
||
}
|
||
</code></pre>
|
||
<hr />
|
||
<h2 id="troubleshooting"><a class="header" href="#troubleshooting">Troubleshooting</a></h2>
|
||
<h3 id="common-issues"><a class="header" href="#common-issues">Common Issues</a></h3>
|
||
<p><strong>1. Connection Refused</strong></p>
|
||
<pre><code class="language-bash"># Check RustyVault is running
|
||
curl http://localhost:8200/v1/sys/health
|
||
|
||
# Check token is valid
|
||
export VAULT_ADDR='http://localhost:8200'
|
||
rustyvault token lookup
|
||
</code></pre>
|
||
<p><strong>2. Authentication Failed</strong></p>
|
||
<pre><code class="language-bash"># Verify token in environment
|
||
echo $RUSTYVAULT_TOKEN
|
||
|
||
# Renew token if needed
|
||
rustyvault token renew
|
||
</code></pre>
|
||
<p><strong>3. Key Not Found</strong></p>
|
||
<pre><code class="language-bash"># List available keys
|
||
rustyvault list transit/keys
|
||
|
||
# Create missing key
|
||
rustyvault write -f transit/keys/provisioning-main
|
||
</code></pre>
|
||
<p><strong>4. TLS Verification Failed</strong></p>
|
||
<pre><code class="language-bash"># Disable TLS verification (dev only)
|
||
export RUSTYVAULT_TLS_VERIFY=false
|
||
|
||
# Or add CA certificate
|
||
export RUSTYVAULT_CACERT=/path/to/ca.crt
|
||
</code></pre>
|
||
<hr />
|
||
<h2 id="migration-from-other-backends"><a class="header" href="#migration-from-other-backends">Migration from Other Backends</a></h2>
|
||
<h3 id="from-hashicorp-vault"><a class="header" href="#from-hashicorp-vault">From HashiCorp Vault</a></h3>
|
||
<p>RustyVault is API-compatible, minimal changes required:</p>
|
||
<pre><code class="language-bash"># Old config (Vault)
|
||
[kms]
|
||
type = "vault"
|
||
address = "https://vault.example.com:8200"
|
||
token = "${VAULT_TOKEN}"
|
||
|
||
# New config (RustyVault)
|
||
[kms]
|
||
type = "rustyvault"
|
||
server_url = "http://rustyvault.example.com:8200"
|
||
token = "${RUSTYVAULT_TOKEN}"
|
||
</code></pre>
|
||
<h3 id="from-age"><a class="header" href="#from-age">From Age</a></h3>
|
||
<p>Re-encrypt existing encrypted files:</p>
|
||
<pre><code class="language-bash"># 1. Decrypt with Age
|
||
provisioning kms decrypt --backend age secrets.enc > secrets.plain
|
||
|
||
# 2. Encrypt with RustyVault
|
||
provisioning kms encrypt --backend rustyvault secrets.plain > secrets.rustyvault.enc
|
||
</code></pre>
|
||
<hr />
|
||
<h2 id="security-considerations"><a class="header" href="#security-considerations">Security Considerations</a></h2>
|
||
<h3 id="best-practices"><a class="header" href="#best-practices">Best Practices</a></h3>
|
||
<ol>
|
||
<li><strong>Enable TLS</strong>: Always use HTTPS in production</li>
|
||
<li><strong>Rotate Tokens</strong>: Regularly rotate RustyVault tokens</li>
|
||
<li><strong>Least Privilege</strong>: Use policies to restrict token permissions</li>
|
||
<li><strong>Audit Logging</strong>: Enable and monitor audit logs</li>
|
||
<li><strong>Backup Keys</strong>: Secure backup of unseal keys and root token</li>
|
||
<li><strong>Network Isolation</strong>: Run RustyVault in isolated network segment</li>
|
||
</ol>
|
||
<h3 id="token-policies"><a class="header" href="#token-policies">Token Policies</a></h3>
|
||
<p>Create restricted policy for KMS service:</p>
|
||
<pre><code class="language-hcl"># kms-policy.hcl
|
||
path "transit/encrypt/provisioning-main" {
|
||
capabilities = ["update"]
|
||
}
|
||
|
||
path "transit/decrypt/provisioning-main" {
|
||
capabilities = ["update"]
|
||
}
|
||
|
||
path "transit/datakey/plaintext/provisioning-main" {
|
||
capabilities = ["update"]
|
||
}
|
||
</code></pre>
|
||
<p>Apply policy:</p>
|
||
<pre><code class="language-bash">rustyvault policy write kms-service kms-policy.hcl
|
||
rustyvault token create -policy=kms-service
|
||
</code></pre>
|
||
<hr />
|
||
<h2 id="performance"><a class="header" href="#performance">Performance</a></h2>
|
||
<h3 id="benchmarks-estimated"><a class="header" href="#benchmarks-estimated">Benchmarks (Estimated)</a></h3>
|
||
<div class="table-wrapper"><table><thead><tr><th>Operation</th><th>Latency</th><th>Throughput</th></tr></thead><tbody>
|
||
<tr><td>Encrypt</td><td>5-15ms</td><td>2,000-5,000 ops/sec</td></tr>
|
||
<tr><td>Decrypt</td><td>5-15ms</td><td>2,000-5,000 ops/sec</td></tr>
|
||
<tr><td>Generate Key</td><td>10-20ms</td><td>1,000-2,000 ops/sec</td></tr>
|
||
</tbody></table>
|
||
</div>
|
||
<p><em>Actual performance depends on hardware, network, and RustyVault configuration</em></p>
|
||
<h3 id="optimization-tips"><a class="header" href="#optimization-tips">Optimization Tips</a></h3>
|
||
<ol>
|
||
<li><strong>Connection Pooling</strong>: Reuse HTTP connections</li>
|
||
<li><strong>Batching</strong>: Batch multiple operations when possible</li>
|
||
<li><strong>Caching</strong>: Cache data keys for envelope encryption</li>
|
||
<li><strong>Local Unseal</strong>: Use auto-unseal for faster restarts</li>
|
||
</ol>
|
||
<hr />
|
||
<h2 id="related-documentation"><a class="header" href="#related-documentation">Related Documentation</a></h2>
|
||
<ul>
|
||
<li><strong>KMS Service</strong>: <code>docs/user/CONFIG_ENCRYPTION_GUIDE.md</code></li>
|
||
<li><strong>Dynamic Secrets</strong>: <code>docs/user/DYNAMIC_SECRETS_QUICK_REFERENCE.md</code></li>
|
||
<li><strong>Security System</strong>: <code>docs/architecture/ADR-009-security-system-complete.md</code></li>
|
||
<li><strong>RustyVault GitHub</strong>: https://github.com/Tongsuo-Project/RustyVault</li>
|
||
</ul>
|
||
<hr />
|
||
<h2 id="support"><a class="header" href="#support">Support</a></h2>
|
||
<ul>
|
||
<li><strong>GitHub Issues</strong>: https://github.com/Tongsuo-Project/RustyVault/issues</li>
|
||
<li><strong>Documentation</strong>: https://github.com/Tongsuo-Project/RustyVault/tree/main/docs</li>
|
||
<li><strong>Community</strong>: https://users.rust-lang.org/t/rustyvault-a-hashicorp-vault-replacement-in-rust/103943</li>
|
||
</ul>
|
||
<hr />
|
||
<p><strong>Last Updated</strong>: 2025-10-08
|
||
<strong>Maintained By</strong>: Architecture Team</p>
|
||
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