{"id":"rhel9-sha1-deprecated-hmac-exception","text":"SHA-1 is deprecated for cryptographic purposes across RHEL 9, but HMAC-SHA1 and UUID generation remain allowed.","truth_value":"IN","source":"repo:entries/2026/03/03/en-documentation-red_hat_enterprise_linux-9-html-91_release_notes-deprecated_fun.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"rhel9-sha1-deprecated-hmac-exception","truth_value":"IN","reason":"premise"}]}}