readme updates

RogueMaster · Jun 14, 2024 · 3dba39f · 3dba39f
1 parent 21eb0fb
commit 3dba39f
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/.catalog/README.md b/.catalog/README.md
@@ -34,18 +34,19 @@ There are some situations when the offline loclass may not find a key, such as:
 
 # NR-MAC read
 
-Due to the nature of how secure picopass works, it is possible to emulate some public fields from a card and capture the reader's response, which can be used to authenticate.  Two of the pieces involved in this are the NR and MAC.
+Due to the nature of how secure picopass works, it is possible to emulate some public fields from a card and capture the reader's response, which can be used to authenticate.  Two of the pieces involved in this are the NR and MAC.  This allows you to get a dump of the card, except for the key, even if you don't know the key.  For picopass in non-HID systems this can allow you to see what the data looks like.  For iClass SE the data is encrypted (SIO), but a friend with a HID SAM can decrypt it.
 
-These instructions are intended to be performed all at the same time.  If you use the card with the reader between Card Part 1 and Card Part 2, then Card Part 2 will fail.
+*These instructions are intended to be performed all at the same time.  If you use the card with the reader between Card Part 1 and Card Part 2, then Card Part 2 will fail.*
 
 ## Card Part 1
 
 1. Place card against Flipper Zero
 2. Run _Read_ from the picopass main menu
 3. Get a "Read Failed" message
 4. Select the "Menu" option
-5. Select "Save Partial"
+5. Select "Save Partial"  (regardless if this card has been saved previously)
 6. Name file something you'll remember
+7. Immediately proceed to Reader Part
 
 ## Reader Part
 
@@ -54,10 +55,12 @@ These instructions are intended to be performed all at the same time.  If you us
 3. Select _Emulate_
 4. Expose Flipper Zero to reader (It may work better a few inches from the reader, as opposed to physically touching)
 5. Flipper will buzz and screen will say "NR-MAC Saved!"
+6. Immediately proceed to Card Part 2
 
 ## Card Part 2
 
 1. Place card against Flipper Zero
 2. Run _Read_ from the picopass main menu
 3. Card will authenticate and read
+4. Suggested to both "Save" the card and "Save as Seader"