Added remark

9 months ago · 01ee00fceb
parent f35f041633
commit 01ee00fceb
1 changed files with 1 additions and 0 deletions
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@ -10187,6 +10187,7 @@ public class FragmentMessages extends FragmentBase
                                            // https://datatracker.ietf.org/doc/html/rfc3850#section-4.4.2

                                            for (X509Certificate c : certs) {
+                                                // https://datatracker.ietf.org/doc/html/rfc3280#section-4.2.1.3
                                                boolean[] usage = c.getKeyUsage();
                                                boolean keyCertSign = (usage != null && usage.length > 5 && usage[5]);
                                                boolean selfSigned = c.getIssuerX500Principal().equals(c.getSubjectX500Principal());