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UIUCTF 2020: nookcrypt

Challenge Summary Tom Nook is testing a new encryption scheme for nookphones, but it seems to be a bit faulty... can you break it? nookcrypt is a netcat service that have no source code released. There are two functions exposed: Gets an encrypted copy of the flag (and the message hello world). Encrypts an arbitrary message. For example, this is what I had when trying out the options:



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UIUCTF 2020: nookcrypt

https://b6a.black/posts/2020-07-22-uiuctf-nookcrypt

Challenge Summary Tom Nook is testing a new encryption scheme for nookphones, but it seems to be a bit faulty... can you break it? nookcrypt is a netcat service that have no source code released. There are two functions exposed: Gets an encrypted copy of the flag (and the message hello world). Encrypts an arbitrary message. For example, this is what I had when trying out the options:



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https://b6a.black/posts/2020-07-22-uiuctf-nookcrypt

UIUCTF 2020: nookcrypt

Challenge Summary Tom Nook is testing a new encryption scheme for nookphones, but it seems to be a bit faulty... can you break it? nookcrypt is a netcat service that have no source code released. There are two functions exposed: Gets an encrypted copy of the flag (and the message hello world). Encrypts an arbitrary message. For example, this is what I had when trying out the options:

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      Challenge Summary Tom Nook is testing a new encryption scheme for nookphones, but it seems to be a bit faulty... can you break it? nookcrypt is a netcat service that have no source code released. There are two functions exposed: Gets an encrypted copy of the flag (and the message hello world). Encrypts an arbitrary message. For example, this is what I had when trying out the options:

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