A comprehensive cryptographic toolkit providing industry-standard encryption, hashing, and advanced privacy-preserving protocols.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install cryptography
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install cryptography using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Cryptography Engine?
The Cryptography Engine is a sophisticated technical module designed to integrate advanced security primitives into modern applications. It provides a structured approach to security, moving from core concepts and mathematical principles to concrete code implementations and real-world applications. By utilizing these Openclaw Skills, developers can implement everything from standard AES symmetric encryption to cutting-edge Zero-Knowledge Proofs (ZKP) and Secure Multi-Party Computation (MPC).
This skill ensures that data integrity, confidentiality, and authenticity are maintained across diverse environments, including cloud infrastructure and decentralized blockchain networks. It prioritizes modern, secure defaults such as AES-GCM, Ed25519 signatures, and Argon2 password hashing, while also providing support for specialized standards like SM-series national algorithms.
Cryptography Engine Use Cases
- Securing large-scale data storage using high-performance symmetric encryption like AES-GCM or ChaCha20-Poly1305.
- Implementing secure identity verification and digital signatures for software distribution and financial transactions.
- Protecting user credentials against brute-force and rainbow table attacks using memory-hard hashing like Argon2.
- Facilitating secure, privacy-preserving data analysis using Homomorphic Encryption and Secure Multi-Party Computation.
- Establishing end-to-end encrypted communication channels via TLS 1.3 and automated PKI management.
How Cryptography Engine Works
- Identify the security objective, such as confidentiality (encryption), integrity (hashing), or authenticity (signatures).
- Select the appropriate cryptographic primitive, favoring AEAD (Authenticated Encryption with Associated Data) modes like GCM for symmetric tasks.
- Generate cryptographically secure keys or nonces using system-level entropy sources.
- Process the input data through the selected algorithm’s lifecycle, such as the SPN structure in AES or the ECDLP in elliptic curve cryptography.
- Integrate advanced protocols like JWT for session management or Merkle Trees for data integrity verification in distributed systems.
- Implement side-channel protections, such as constant-time comparisons, to mitigate timing and power analysis attacks.
Cryptography Engine Setup
To begin using these cryptographic capabilities, ensure your environment has the necessary libraries installed.
pip install cryptography
For advanced blockchain or Zero-Knowledge Proof applications, additional specialized toolkits for zk-SNARKs or MPC may be required depending on your specific implementation of Openclaw Skills.
Cryptography Engine Data Schema & Taxonomy
The Cryptography Engine organizes data based on the specific security primitive used. Key structures include:
| Data Type | Primary Algorithms | Common Metadata |
|---|---|---|
| Symmetric | AES-256, ChaCha20 | Nonce/IV, Auth Tag, Key Size |
| Asymmetric | RSA-4096, Ed25519 | Public/Private Key PEM, OAEP Labels |
| Hashing | SHA-256, Argon2id | Salt, Iteration Count, Memory Cost |
| Protocols | TLS 1.3, JWT | Certificates, Header Claims, Signature |
| Privacy | ZK-SNARK, MPC | Proofs, Witnesses, Commitments |
Cryptography Engine Advanced Features
- Support for national standards (SM2, SM3, SM4) for specialized regulatory compliance.
- Zero-Knowledge Proof (ZKP) implementation via zk-SNARKs and zk-STARKs for privacy-centric verification.
- Homomorphic Encryption support (Paillier, CKKS) allowing computation directly on encrypted ciphertexts.
- Advanced key derivation and management using HKDF and the HPKE (RFC 9180) standard.
- Built-in mitigations for side-channel attacks, including constant-time implementations and blinding techniques.
SKILL.md
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