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[H4CK1T]Mozambique – 150pts

Description:

EN: Implementing of the latest encryption system as alwaysbrought a set of problems for one of the known FSI services: theyhave lost the module which is responsible for decoding information.And some information has been already ciphered! Your task fortoday: to define a cryptoalgorithm and decode the message.

Solution:
在查看圖片後發現被插入了一些像數 , 出現的間隔24個Pixel
在找出最後一點的像數後 , 發現是1512 , 除以24是63 , 由於是為0開始 ,所以最終圖片可能是64x64
故寫一script抽出所有像數
得到

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