diff --git a/.catalog/README.md b/.catalog/README.md index 295e849a96f..82fed0e2079 100644 --- a/.catalog/README.md +++ b/.catalog/README.md @@ -34,9 +34,9 @@ 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 @@ -44,8 +44,9 @@ These instructions are intended to be performed all at the same time. If you us 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"