Nagra Hex block Decryption

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so guys. I have an NC + Cayman Caid 1884 card. I have dumps and keys. Card runs in oscam with found. however, cwpk is active. How can I decrypten my cwpk? dump is from a ci +!
 
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Some additional information

Tdes:. SYSID Some Providers

Tdes:. SYSID 5211 =
3F XX 84 XX 17 XX 3B XX 3F XX 84 XX 17 XX 3B XX

Tdes:. SYSID 3341 =
FC XX CE XX 7E XX A9 XX FC XX CE XX 7E XX A9 XX

Tdes:. SYSID 3411 =
6F XX 27 XX 9B XX 86 XX 6F XX 27 XX 9B XX 86 XX

Tdes:. SYSID 7201 =
79 XX A5 XX CC XX 1D XX 79 XX A5 XX CC XX 1D XX

:cool::eek:
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Some additional information Tdes:.
together attached Photo

By :p

attention, cwpk treatment is lacking before

Hello Master ! I think I know this program!
Photo showed me my mistake !!!
Could you help me improve it?
 
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I think the information is very correct, but the algorithms are very complicated, onsitbin knows a lot, is it possible to know onsitbin sysid 3411 6b ?? 27 some clue, thanks
 
is more in the post # 729 dt06 expand the algorithm is difficult to know,
?? XOR ?? = ??
new crypt key = ???????
cipher with the ideacbc Key: ??????
ect ....
the data is correct, is giving a lot of clues, what nobody does, is a good way to learn although in my case I spend days and days breaking my head without getting anything,but this is so, if we want to learn
 
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Tdes:. SYSID Some Providers

to inform that this key is only found in the STB ram, and with the card there, if they remove the card, this key disappears, the origin of the key is found in the (stlinux in .rodata) or in Os21 SH40 in the flash nor in cak7, coming from a xor between two keys I just see people here who do not want to study, I'm sorry.
Tankyou
 
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