From 67b1752748d3cbf31b2986c13bce3cee3cacb211 Mon Sep 17 00:00:00 2001 From: Lucifer Voeltner Date: Thu, 27 Mar 2025 22:15:36 +0700 Subject: [PATCH] ZUID - Second clarification revision -- Visualise usable bytes --- doc/magic_cards_notes.md | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/doc/magic_cards_notes.md b/doc/magic_cards_notes.md index 65ba6178b..2328bb950 100644 --- a/doc/magic_cards_notes.md +++ b/doc/magic_cards_notes.md @@ -1343,7 +1343,7 @@ All commands are available before sealing. ^[Top](#top) -That tag is a UID tag, built on USCUID chip. It doesn't sold separately, but could be found on marketplaces under the guise of a UID tag. +That tag is a UID tag, built on USCUID chip. It is not sold separately, but could be found on marketplaces under the guise of a UID tag. ### Characteristics @@ -1351,7 +1351,14 @@ That tag is a UID tag, built on USCUID chip. It doesn't sold separately, but cou * Default configuration block value: `7AFF0000000000000000000000000008` * Responds to magic wakeup `40(7)`, `43` commands -* Does not have hidden blocks, and only acknowledges the seventh (block use of key B if it is readable), eighth (direct write toggle), and last (SAK) config bytes. +* Does not have hidden blocks, and only acknowledges the following bytes marked with carats. As such, Gen 1a mode cannot be disabled. All acknowledged bytes follow the standard USCUID format. + +``` +7AFF0000000000000000000000000008 + ^^ >> Block use of Key B if readable by ACL + ^^ >> CUID mode + ^^ >> SAK*** +``` ### Identify @@ -1365,9 +1372,6 @@ hf mf info ``` -Currently Proxmark3 doesn't identify it as a separate tag. -Could be detected from the config block value. - ### Parsed configuration ^[Top](#top)