// infrastructure
CypherTalk
CipherTalk
Post-Quantum Resistant Messaging
Forward-secret messaging resistant to quantum decryption. ML-KEM key exchange for future-proof confidentiality. SLHDSA signatures. Zero metadata leakage. Deniable authentication for high-risk communications.
Post-Quantum Security Architecture
CipherTalk uses NIST-standardized post-quantum algorithms. Secure against both classical and quantum adversaries. Every session gets a fresh key.
🔐 ML-KEM Key Exchange
Lattice-based key encapsulation mechanism (FIPS 203). Quantum-resistant key establishment. No discrete-log assumption.
✍️ SLHDSA Signatures
Stateless hash-based digital signatures (FIPS 206). Quantum-resistant message authentication and non-repudiation.
⏱️ Forward Secrecy
Per-message ephemeral keys. Compromise of long-term key does not expose past message content.
🔇 Zero Metadata
Encrypted headers. Timestamp, sender ID, recipient, and message length all hidden from network observer.
🎭 Deniable Auth
Recipient cannot prove sender identity to third party. High-risk communications leave no cryptographic proof of authorship.
🔄 One-Time Pads
Optional mode for ultra-sensitive communications. Pre-shared symmetric key material for information-theoretic secrecy.
Communication Modes
CipherTalk supports multiple modes tailored to operational security requirements. Single binary, all modes available.
Real-Time Messaging
- Line-by-line encryption
- Per-message key derivation
- Transparent metadata stripping
- Multi-device support
Secure Document Exchange
- Streaming encryption for large files
- Integrity verification
- Resumable transfers
- Batch operations
Asynchronous Communication
- Message store encrypted at rest
- Ephemeral message expiry
- Recipient presence undetectable
- One-time pad mode available
Multi-Party Encrypted Groups
- Tree-based key distribution
- Forward secrecy on member exit
- Post-compromise security
- Subgroup operations