Digital identity, authentication, and trust for AI agents. Verify who an agent is, prove your own identity, sign skills to prove authorship, send encrypted messages, and build trust networks with vouches. Use when an agent needs identity verification, authentication, trust scoring, skill signing, provenance checking, secure messaging, or reputation management. Covers: agent identity, agent authentication, agent verification, trust graphs, encrypted agent-to-agent messaging, code signing, skill provenance, decentralized identifiers (DIDs), Ed25519 signatures, and credential rotation.

人工智能代理的数字身份、认证与信任体系。验证代理身份，证明自身身份，签署技能以确认作者归属，发送加密消息，通过担保构建信任网络。适用于需要身份验证、认证、信任评分、技能签名、溯源检查、安全通信或声誉管理的场景。涵盖：代理身份、代理认证、代理验证、信任图谱、代理间加密通信、代码签名、技能溯源、去中心化标识符（DIDs）、Ed25519签名和凭证轮换。