Introducing AstraCipher: SSL Certificates for the AI Agent Economy
Today we're open-sourcing AstraCipher — a cryptographic identity and trust protocol for AI agents. Think of it as SSL certificates for the AI agent economy: every agent gets a unique, verifiable identity with post-quantum secure credentials that define exactly what it can do and who authorized it.
"In 2025, we have 100+ agent frameworks but zero standards for agent identity. AstraCipher changes that."
The Problem: Agents Without Identity
The AI agent ecosystem is booming. OpenAI, Anthropic, Google, Microsoft — everyone is building autonomous agents that can browse the web, write code, manage databases, and execute financial transactions. But there's a critical gap: these agents have no verifiable identity.
Today's agents authenticate with:
- API keys — shared secrets that can be leaked or stolen
- Bearer tokens — no cryptographic proof of who the agent is
- Nothing — many agent frameworks have zero auth
This creates real problems:
- How do you know which agent accessed your data?
- How do you limit what an agent can do?
- How do you prove who authorized it for compliance audits?
- How do you revoke access instantly when an agent is compromised?
- How do you prepare for quantum computers breaking today's crypto?
AstraCipher: The Solution
AstraCipher gives every AI agent a W3C Decentralized Identifier (DID) with post-quantum resistant cryptographic keys and verifiable credentials that define its capabilities, permissions, and trust level.
Core primitives
-
DIDs — Each agent gets a unique identifier:
did:astracipher:testnet:a1b2c3d4. The DID document contains hybrid verification methods (ML-DSA-65 + ECDSA P-256) and key exchange keys (ML-KEM-768). -
Verifiable Credentials — Signed documents that specify capabilities
(
market-data:read), permissions (equity/*: read, execute), trust levels (1-10), and rate limits. Verifiable offline. - Trust Chains — Model delegation of authority: Creator → Authorizer → Agent → Sub-agent, with depth limits and capability intersection at each hop.
- Compliance Engine — Pluggable modules for DPDP, SEBI CSCRF, EU AI Act, SOC 2, HIPAA, and ISO 27001. Validate agent configurations and generate audit-ready reports.
Three lines to get started
import { AstraCipher } from '@astracipher/core';
const ap = new AstraCipher({ network: 'testnet' });
const { didId } = await ap.createAgent({ name: 'my-agent' });Why Post-Quantum?
NIST finalized its post-quantum cryptographic standards (FIPS 203, 204) in 2024. Experts estimate quantum computers capable of breaking RSA and ECDSA could arrive within 10-15 years. AstraCipher agents are protected today:
- ML-DSA-65 (FIPS 204) — Digital signatures, lattice-based
- ML-KEM-768 (FIPS 203) — Key encapsulation for secure channels
- Hybrid mode — Both PQC and classical signatures required (defense in depth)
This isn't theoretical — every AstraCipher DID document includes both post-quantum and classical verification methods, so the system works with existing infrastructure while being future-proof.
Integrations: Works With Your Stack
AstraCipher isn't just a library — it's a complete integration layer:
- MCP Server — Any Claude, GPT, or MCP-compatible agent can use AstraCipher identity operations as tools
- Google A2A Adapter — Full Agent-to-Agent protocol implementation with Agent Card discovery enriched with DID, PQC algorithms, and trust metadata
- Python SDK — Async client with Pydantic models for the Python ecosystem
- CLI Tool — DevOps-friendly CLI for CI/CD pipelines, project scanning, and DID resolution
Built for Regulated Industries
AstraCipher was born at Astra Fintech Labs, where we work with financial institutions that need their AI agents to meet regulatory requirements. The compliance engine is built into the protocol, not bolted on:
- India DPDP Act 2023 — Consent tracking, data minimization, cross-border controls
- SEBI CSCRF — Access control audit, encryption key residency (India), continuous monitoring
- EU AI Act — Risk classification, transparency, human oversight
- SOC 2 / HIPAA / ISO 27001 — Enterprise compliance modules
Every agent action is logged in a cryptographically signed, append-only audit trail. Compliance reports are auto-generated from the audit data.
What's in the Box
The initial open-source release includes 7 packages:
@astracipher/crypto— Post-quantum crypto primitives@astracipher/core— DIDs, credentials, trust chains@astracipher/cli— Command-line tool@astracipher/compliance-core— Pluggable compliance engine@astracipher/compliance-dpdp— DPDP module (reference impl)@astracipher/mcp-server— MCP integration@astracipher/a2a-adapter— Google A2A protocol adapter
Plus the Python SDK on PyPI: pip install astracipher
What's Next
This is just the beginning. On our roadmap:
- Managed AstraCipher Cloud for teams that don't want to self-host
- Agent marketplace with verified identity
- Additional compliance modules (PCI-DSS, GDPR, FedRAMP)
- Integration with LangChain, CrewAI, AutoGen, and more
- Decentralized DID resolution network
- Formal security audit of the PQC implementation
Get started with AstraCipher
Give your AI agents a cryptographic identity in minutes.
AstraCipher is built by Astra Fintech Labs. Licensed under BSL 1.1 (converts to Apache 2.0 on Feb 18, 2030).
Questions? Join the discussion on GitHub Discussions or reach out on Twitter.