Produits
Personas
The cryptographic foundation for AI-native identity, encryption, signing, verifiable credentials, and consensus — proven in mission-critical production. Not your agent's keys, not your agent's identity.
Capacités
Personas
Personas is the cryptographic foundation for AI-native identity, encryption, signing, verifiable credentials, and consensus — proven in mission-critical production by major Japanese enterprises and government-backed consortia.
- Self-sovereign keys.
- Create and store public/private key pairs that you alone control. No certificate authority, no custodian — not even Keychain — ever holds your private keys.
- Encrypt and sign anything.
- End-to-end encrypt data so only intended recipients can read it, and digitally sign with full non-repudiation. Every signature is verifiable, attributable, and tamper-evident.
- Verifiable credentials with delegation.
- Issue and verify multi-layered, hierarchical credentials. Prove the ownership, rights, and authorizations of your agent or machine fleet — exposing nothing more than required.
Product screenshot Proven in production
Keychain has been proving itself in production for years — long before the agentic era arrived.
- Mission-critical, for years
- Run in production by major Japanese enterprises and government-sponsored consortia, where failure is not an option.
- Engineered ahead of its time
- We shipped the foundation the agentic era needs nearly a decade before it arrived.
- Designed to be relied on
- Well-defined, precisely documented, and unambiguous under scrutiny.
Capacités
The cryptographic foundation for AI-native identity, encryption, signing, verifiable credentials, and consensus — proven in mission-critical production. Not your agent's keys, not your agent's identity.
- Application-level consensus
- Offchain smart contracts: programmable, authenticated PROPOSE/PRECOMMIT/COMMIT agreement that coordinates autonomous machines. Multi-party, auditable, and rail-agnostic.
- Seamless key rollover
- Rotate keys without breaking delegation chains or counterparty relationships. Counterparties are notified and coordinated automatically — identity continuity without disruption.
- Offline capable
- Full cryptographic functionality with no network connection. Deploy to edge, IoT, embedded, and air-gapped environments — and recover through degraded conditions.
- Pre- and post-quantum
- NIST standard defaults with non-NIST options available. Future-proof your security posture today without re-architecting tomorrow.
- Multiparty computation
- Compute across multiple parties without revealing inputs. Collaborative security without shared secrets.
- Human-in-the-loop escalation
- Agents act within policy and escalate to the right human with cryptographic context when they can't. The bridge between autonomous action and human authority.
Disponible en tant que
SDK Libraries
First-class native SDKs in every major language
HTTP Server
RESTful API — sidecar, microservice, or hosted
MCP Server
Model Context Protocol tools for AI agents
CLI
Scripting, CI/CD pipelines, and automation
AI Agent Skills
Drop-in identity skills for any agent framework
Runs natively wherever you deploy
One core library — under 16 MB — built and architecture-verified across the operating systems, processors, and languages your systems already run. From cloud servers to embedded controllers, online or fully air-gapped.
- Operating systems
- LinuxAndroidiOSmacOSWindowsQNX
- Architectures
- x86-64x86ARMv7ARM64 / AArch64RISC-V 64
- C libraries
- glibcmusl
- Languages & runtimes
- C / C++PythonC#KotlinGoRustObjective-CROS 2
For embedded delivery, Keychain ships as a hermetic, dependency-free drop-in with a wide backward-compatibility floor — with Cortex-M and ESP32 (Zephyr / FreeRTOS) class targets on the roadmap.
Right for your world
Keychain runs in under 16 MB, online or offline, on every major architecture, operating system, and language, with NIST-standard defaults and non-NIST options. That range exists for one reason: so Keychain can meet the exact standards, environment, and configuration your domain demands.
Aviation & Defense
Air-gapped, offline-capable, and deterministic enough for safety-critical and classified systems.
Finance
Non-repudiation and auditable, application-level consensus for payments and digital-asset custody — at the latency your rails demand.
Healthcare
Confidential, self-sovereign handling of sensitive data, protected at rest, in transit, and in use.
Transportation & Robotics
A tiny footprint and offline robot-to-robot trust for fleets and vehicles operating on untrusted networks.
Logistics
Verifiable provenance and credentials that travel across partners, devices, and borders.
Enterprise IT
Standards-aligned identity, key, and access control that fits the estate you already run.
Entertainment
Self-sovereign identity and rights for digital twins, characters, and creator IP.