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Proxmark / proxmark3

Proxmark 3
http://www.proxmark.org/
GNU General Public License v2.0
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chk function inconsistent #988

Closed boredjo closed 2 years ago

boredjo commented 2 years ago

The hf mf chk function is inconsistent. It verifies key, but at different positions.

[usb] pm3 --> hf mf fchk -k 3503a1fa51d9
[ 0] key 35 03 A1 FA 51 D9 
[=] Running strategy 1
[=] Chunk 1,6s | found 0/32 keys (1)
[=] Running strategy 2
[=] Chunk 0,4s | found 1/32 keys (1)
[=] time in checkkeys (fast) 2,0s

[+] found keys:

[+] |-----|----------------|---|----------------|---|
[+] | Sec | key A          |res| key B          |res|
[+] |-----|----------------|---|----------------|---|
[+] | 000 | ------------   | 0 | ------------   | 0 |
[+] | 001 | ------------   | 0 | ------------   | 0 |
[+] | 002 | ------------   | 0 | ------------   | 0 |
[+] | 003 | ------------   | 0 | ------------   | 0 |
[+] | 004 | ------------   | 0 | ------------   | 0 |
[+] | 005 | ------------   | 0 | ------------   | 0 |
[+] | 006 | ------------   | 0 | ------------   | 0 |
[+] | 007 | ------------   | 0 | ------------   | 0 |
[+] | 008 | ------------   | 0 | ------------   | 0 |
[+] | 009 | ------------   | 0 | ------------   | 0 |
[+] | 010 | ------------   | 0 | ------------   | 0 |
[+] | 011 | ------------   | 0 | ------------   | 0 |
[+] | 012 | ------------   | 0 | ------------   | 0 |
[+] | 013 | ------------   | 0 | ------------   | 0 |
[+] | 014 | ------------   | 0 | ------------   | 0 |
[+] | 015 | ------------   | 0 | 3503a1fa51d9   | 1 |
[+] |-----|----------------|---|----------------|---|
[+] ( 0:Failed / 1:Success )

When I try to verify that:


[usb] pm3 --> hf mf chk -b --blk 15 --1k -k 3503a1fa51d9
[ 0] key 35 03 A1 FA 51 D9 
[=] Start check for keys...
[=] .................
[=] time in checkkeys 1 seconds

[+] found keys:

[+] |-----|----------------|---|----------------|---|
[+] | Sec | key A          |res| key B          |res|
[+] |-----|----------------|---|----------------|---|
[+] | 000 | ------------   | 0 | ------------   | 0 |
[+] | 001 | ------------   | 0 | ------------   | 0 |
[+] | 002 | ------------   | 0 | ------------   | 0 |
[+] | 003 | ------------   | 0 | ------------   | 0 |
[+] | 004 | ------------   | 0 | ------------   | 0 |
[+] | 005 | ------------   | 0 | ------------   | 0 |
[+] | 006 | ------------   | 0 | ------------   | 0 |
[+] | 007 | ------------   | 0 | ------------   | 0 |
[+] | 008 | ------------   | 0 | ------------   | 0 |
[+] | 009 | ------------   | 0 | ------------   | 0 |
[+] | 010 | ------------   | 0 | ------------   | 0 |
[+] | 011 | ------------   | 0 | ------------   | 0 |
[+] | 012 | ------------   | 0 | 3503a1fa51d9   | 1 |
[+] | 013 | ------------   | 0 | ------------   | 0 |
[+] | 014 | ------------   | 0 | ------------   | 0 |
[+] | 015 | ------------   | 0 | ------------   | 0 |
[+] |-----|----------------|---|----------------|---|
[+] ( 0:Failed / 1:Success )```

Now I can't use nested or hardnested.
pwpiwi commented 2 years ago

You are most probably using RRG's software and have to raise your issue in their repository: https://github.com/RfidResearchGroup/proxmark3