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@agora-protocol/crypto

v0.3.3

Published

ACP cryptographic primitives: Ed25519, X25519, ChaCha20-Poly1305, SHA-256

Vulnerabilities

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Links

Git

Maintainers

mscarlos107mscarlos107

Keywords

acpagentprotocolai-agentsed25519x25519chacha20-poly1305sha-256

Readme

@agora-protocol/crypto

Cryptographic primitives for the ACP Protocol. Thin wrappers around @noble/{curves,ciphers,hashes} — deterministic, audited, browser-compatible.

Install

npm install @agora-protocol/crypto

What's inside

  • Ed25519 — generateEd25519KeyPair, signMessage, verifyMessage.
  • X25519 — deriveSharedSecret (ECDH for handshake).
  • ChaCha20-Poly1305 — encrypt, decrypt (wire AEAD + at-rest sealing).
  • SHA-256 hash chain — computeMessageHash, verifyChain, GENESIS_HASH, canonicalizeForHashing (drops undefined keys so audit_root is stable across schema evolution).
  • Key ratcheting — helper primitives for forward secrecy.

Every message in the ACP chain is signed with Ed25519 and hash-linked to its predecessor; the canonicalizer is what makes the chain reproducible across implementations.

License

MIT