Differences

This shows you the differences between two versions of the page.

--- blug-canary-2 [2019/11/21 16:06]
persmule
+++ blug-canary-2 [2025/09/29 11:35] (current)
persmule
@@ Line 1: / Line 1: @@
-====== Beijing GNU/Linux User Group Canary (2/3) ======
 <code>
 -----BEGIN PGP SIGNED MESSAGE-----
@@ Line 8: / Line 6: @@
 ====================================
-Issued for November 2019.
+Issued for September 2025.
 Don't just trust the contents of this file blindly! Verify the
@@ Line 17: / Line 15: @@
 * biergaizi: 0x255211B2395A5A3E0E48A0F1FAD3EB05E88E8D6D
-* persmule : 0xEDFFE248ECFACDE3C805906804A40D21DBB89B60
+* persmule : 0x7636112A33805777A0646B1BFA7C50B699AC61D2
-* wnereiz  : 0x0A6A91990AC98712274AA18DFDFF2E13AA25BE72
+* vimacs   : 0x7079B481F04B5D8B65A0ECDEEA2DB82FE04A9403
 THREE DOCUMENTS IN TOTAL.
@@ Line 63: / Line 61: @@
 . We plan to publish the next of these canary statements in the first three
-weeks of December 2019. Special note should be taken if no new canary is published
+weeks of October 2025. Special note should be taken if no new canary is published
 by that time or if the list of statements changes without plausible explanation.
+. Due to the ongoing security issues of OpenPGP keyservers, it makes signature
+verification an issue and somewhat a challenge. For completeness, complete
+procedures for canary verification is included here.
 Special Announcements
 ~~~~~~~~~~~~~~~~~~~~~~~~
-. Since mid-October, persmule's old signing key 0x2987A25DAC8454A5 has
+None.
-expired. A new key, 0xEDFFE248ECFACDE3C805906804A40D21DBB89B60, has been
-created and uploaded to https://keys.openpgp.org/, it can be obtained from
+Canary Verification Procedures
-this keyserver.
+~~~~~~~~~~~~~~~~~~~~~~~~
+. To verify biergaizi's signature...
+    a. Obtain the public key from any traditional OpenPGP Keyserver, such as
+    https://keyserver.ubuntu.com, and import the public key. The fingerprint
+    is 0x255211B2395A5A3E0E48A0F1FAD3EB05E88E8D6D.
+    b. Use the latest GnuPG in any operating system.
+. To verify persmule's signature...
-. The new key will be used by persmule to sign future warrant canary
+    a. Due to the previous attacks on OpenPGP keyservers, persmule has published
-documents. You can verify the signature by crosschecking the other two
+    the OpenPGP public key to https://keys.openpgp.org without a User-ID. Using
-documents signed by biergaizi and wnereiz for consistency.
+    the standard method, it's impossible to import a OpenPGP public key without
+    User-ID. But since April 2013, we have developed a workaround, described
+    below.
-. Due to this key rollover, the October message was not signed by persmule.
+    b. Obtain the dummy public key from any traditional OpenPGP Keyserver,
-This did/does not indicate a security incident, all of the statements above
+    such as https://keyserver.ubuntu.com, and import the public key. The
-were valid, and are still valid.
+    fingerprint is 0x7636112A33805777A0646B1BFA7C50B699AC61D2. Note that, to
+    import this key, one must copy and paste the key in ASCII from the Keyserver
+    website to a file or console and use the command "gpg --import". Due to a
+    technical problem, Using "gpg --recv-key" or "gpg --search-keys" does not
+    work.
-. Recent attacks on OpenPGP keyservers have raised great security concerns
+    c. This is a special dummy public key with its User-IDs and subkeys stripped
-within the community, as a countermeasure, persmule's personal User-ID has
+    that we specifically created, leaving only a "stub" User-ID (with an invalid
-not published to the https://keys.openpgp.org/ keyserver. Instead, only
+    E-mail address, "Kikek <othar7ok@ep2quey.invalid>"). Its sole purpose is
-cryptographic information can be obtained from the keyserver, without any
+    allowing the subsequent import of additional subkeys.
-User-ID. Currently, it's impossible to import a OpenPGP public key without
-User-ID to a standard GnuPG installation, as a result, it's not possible
-for a 3rd-party to verify the canary document signed by persmule.
-. We are looking for a solution. But for now, we decided that the best
+    d. Next, with the stub key already imported, obtain the public key from
-option is starting publishing new canary documents using the new key.
+    https://keys.openpgp.org using the same fingerprint, and import this key.
-As a temporary measure, you can check the canary documents signed by
+    Because the dummy key with its stub User-ID is already in presence, it's
-biergaizi and wnereiz to decide the validity of the Statements. By signing
+    now possible to import the https://keys.openpgp.org public key directly.
-their own copies, it indicates that the new key has been verified privately
-by them as valid.
-. This effectively reduced the number of signers to two people. It reduces
+    e. Use the latest GnuPG in most operating system, the signatures made by
-the level of confidence, but currently there is no alternative option yet.
+    persmule's key can now be verified as usual.
-. Once the technical problem of OpenPGP public key without User-ID is
+. To verify vimacs' signature...
-resolved, you can check the previous signatures retroactively, and this
-would effectively restore the level of confidence. You can archive
-persmule's signature as soon as it's published to your own machine to
-ensure no data tampering has occured.
-. Unlike persmule, biergaizi and wnereiz's signing keys are unchanged,
+    a. Obtain the public key from any traditional OpenPGP Keyserver, such as
-but the Key-IDs have been changed to its full fingerprint format in the
+    https://keyserver.ubuntu.com, and import the public key. The fingerprint
-canary document for clarity.
+    is 0x7079B481F04B5D8B65A0ECDEEA2DB82FE04A9403.
-. When new information is available, it will be published in the "Special
+    b. Use the latest GnuPG in any operating system.
-Announcements" section in future warrant canary documents.
 Proof of Freshness
@@ Line 117: / Line 125: @@
 $ rsstail -1 -n5 -N -u https://www.telegraph.co.uk/news/rss.xml
- 'Designer babies' may not be as smart or tall as parents expect, study warns
+ BBC Breakfast boss cleared of bullying allegations
- Cambridge University students cry fowl over 17th century painting that upsets vegetarians
+ Northern Lights shine across the UK
- Indian businessman wore pilot disguise to get upgrades and special treatment
+ GCSE results day 2025: What time will grades be released today?
- Russia 'ruined' Ukrainian naval vessels before handing them back, says Ukrainian navy
+ Ucas Clearing 2025: How to get a last-minute university place
- Killer of Helen McCourt to be released despite refusing to reveal location of her body
+ Britain braces for heatwave temperatures to soar
 $ rsstail -1 -n5 -N -u https://rss.nytimes.com/services/xml/rss/nyt/World.xml
- At Odds With Labour, Britains Jews Are Feeling Politically Homeless
+ Octopuses Invade English Coast, Eating Anything in Their Path
- Prince Andrews Friendship With Epstein Joins a List of Royal Scandals
+ Missing From a U.N. Meeting on Helping Refugees? The Refugees.
- Afghanistans Curse: A Bomb From 2 Wars Ago Crushes a Family Today
+ Trump and Netanyahu to Discuss Plans for Postwar Gaza
- Arab Thinkers Call to Abandon Boycotts and Engage With Israel
+ New Ideas Emerge to End Gaza Conflict and Govern After War
- Rodrigo Duterte Calls for Ban on Public Vaping in the Philippines
+ Typhoon Bualoi Slams Into Central Vietnam, Adding to Death Toll
 $ date -R -u
-Thu, 21 Nov 2019 16:03:28 +0000
+Mon, 29 Sep 2025 11:27:05 +0000
 -----BEGIN PGP SIGNATURE-----
-iQEzBAEBCgAdFiEEwonfPqgFyacM7J3iwYAPuUJ74CEFAl3WtYsACgkQwYAPuUJ7
+iQIzBAEBCgAdFiEE6NbA/YKHzkBGdtgfQOe7vUGityQFAmjabRoACgkQQOe7vUGi
-CFi3ggA3x0ZIMF9pLOSagf+9JVbk7zTAzUK3BMKZTGR8CZ/TebkaSX72/SSLGEQ
+tyTSCBAAslARzUV0w6xDbMGiWxAt3E7OBWLR5IkvfYqiP0ubxTEzokKLVkc2WuzS
-g9KNf7ZxhdjKXUlU93Ori6C90yfLfGQ/mOGNjj/pcWx/s3kR9q6r/fLjG3D2UpAF
+miP1AiCQbh4TfgQMfafXJ8ZW8TuCOSwhDT+EdYQyb3WChm0w1QgamcwMwoBeLAKD
-izX1t76YSBoAoDQ2PJbRNmpZpsGTz51CLIgEdkH+javtqqcIfhJUF+71XKdU8BNv
+ZztjgLYKMOrNrcXiXlNl2RK5rYK5fwSh5PP/M8/qxLaCipAk7mmHYVUGBnjMmjp+
-IEtHvO9j0pD3m9mbiXW768B+R8LEQc6UKrxUc7u8aX/rXSRjcHg+F5iK8ED91fSy
+P+TMmJe3DklJ22UIuS27CZmMIlotn4wqXqCImiDrHoQQgRDwzt8WtpFuTcQqeT49
-zs2ls4VYs2m2S8slyMm8YlKWiFZUEcVGwCvhyqNTlTvg9MVIh8ol4yFuAZ+PTfK
+SiIIRHxXdCDGNbSulzu8n8T38pSxNsokgEfWW3c7Hoci2qHlZekwT8KLbre90P9p
-tXPOvb75y1ghdqYAE7xROoMvc2jQqA==
+jbm9exHA25VG1skBwcuzCNUgzdy+xDot7EHqxfF2eYJ7F1slJxNAyRMKcuiEQGlg
-=yM0h
+cusamNxn8S37y4U/fE3CXZ1JuVIrinKzRgnl3Qt2X1S12YzyEQBrmkauWQfcIkXN
+UeNeWMrjxjH6x7KfnHotwhCZkrymNRxYSccQJLNypskGveEvif8AGt3jMvxo3WUo
+LV9a73QeiJoL+93sdh7iO/POxhLfvNcoyzOdls8TiMGYXKt/PFPNIWy1UDQHFWvq
+VEOm/zsPBUAUGmJt8VZqghmIol1ovX7DKl02THwaNrNdPzq99KFgJHP5YLN7aK+E
+fihQOEHrTimogmPcIYHBX8DaR4WPa2dYXqFkBKmZstotASMbivk=
+=cfIj
 -----END PGP SIGNATURE-----
 </code>

BLUG Wiki

User Tools

Site Tools

Differences

Page Tools