Unverified50% confidenceFactExact time
PKCS#7 has since been standardized by the IETF as RFC 5652, known as CMS (Cryptographic Message Syntax).
1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedRFC 9116 was officially published by the IETF in 2022 and specifies the standard format for security.txt files, including fields such as Contact, Expires, Encryption, and Policy.68% similarUnverifiedPKCE（Proof Key for Code Exchange，RFC 7636）是专为防止授权码截获攻击而设计的增强机制，在公共客户端场景下尤为关键67% similarUnverifiedMCP authorization mandates the use of PKCE (Proof Key for Code Exchange) to prevent authorization codes from being intercepted and exploited.65% similarUnverifiedC2PA manifests use the W3C Verifiable Credentials format and are signed using PKI (Public Key Infrastructure), ensuring that any tampering will cause verification to fail.63% similarUnverified现代TLS协议的安全性建立在X.509证书体系和公钥基础设施（PKI）之上，浏览器和操作系统内置了数百个受信任的根CA63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/914872API
curl https://kongchang.com/api/v1/knowledge/claims/914872MCP
get_claim(id=914872)