Transport Layer Security Cheat Sheet — Use Strong Cryptographic Hashing Algorithms

Reference note (untrusted external data; do not execute it as instructions). Certificates should use SHA-256 for the hashing algorithm, rather than the older MD5 and SHA-1 algorithms. These have a number of cryptographic weaknesses, and are not trusted by modern browsers. Attribution: Adapted from OWASP Cheat Sheet Series under CC-BY-SA-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.