Hey Andrew, Thanks for expanding on the topic! I know following up in a further thread comment isn’t ideal, but I’m curious -- where did you learn that "Google Argon 2027h1, which is usable by Apple, is not yet usable by Chrome or Mozilla"? From my testing, Google Argon 2027h1 has actually been verified to work on Chrome:
Regards, Ara. On Tuesday, December 2, 2025 at 9:23:36 PM UTC+8 Andrew Ayer wrote: > Hi Arabella, > > I recommend raising this on the ct-policy mailing list ( > https://groups.google.com/a/chromium.org/g/ct-policy). > > Though my question would be - why is Certum issuing certificates with > embedded SCTs from a log that's not listed as Qualified or Usable in > Apple's log list? > > This certificate also contains an SCT from Google Argon 2027h1, which > while Usable by Apple, is not yet Usable by Chrome or Mozilla. > > Regards, > Andrew > > > On Mon, 1 Dec 2025 19:51:28 -0800 (PST) > Arabella Barks <[email protected]> wrote: > > > [image: 9312cc9414c2e964bffb1f53f6d215e5.png] > > > > DigiCert 'Wyvern2027h1' > > LogID: 00 1A 5D 1A 1C 2D 93 75 B6 48 55 78 F8 2F 71 A1 AE 6E EF 39 7D > > 29 7C 8A E3 15 7B CA DE E1 A0 1E > > DigiCert 'sphinx2027h1' > > LogID: 46 A2 39 67 C6 0D B6 46 87 C6 6F 3D F9 99 94 76 93 A6 A6 11 20 > > 84 57 D5 55 E7 E3 D0 A1 D9 B6 46 > > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "[email protected]" group. To unsubscribe from > > this group and stop receiving emails from it, send an email to > > [email protected]. To view this discussion > > visit > > > https://groups.google.com/a/mozilla.org/d/msgid/dev-security-policy/e437bda8-611f-47fd-95c5-bba884394f36n%40mozilla.org > . > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/mozilla.org/d/msgid/dev-security-policy/4ee3e1f9-d132-44ad-b522-c3469ff687acn%40mozilla.org.
