JPEG 用 AES-CBC 加密後變成 PNG,用 3DES-CBC 解密後變成 PDF...

直接練出一份 PoC 讓大家看:「a JPEG that becomes a PNG after AES encryption and a PDF after 3DES decryption」,這是原始檔:(這邊直接引用 Google Code 上的 image)

透過 AES-CBC 加密後會是這樣的圖片:

透過 3DES-CBC 解密後則是這樣的 PDF:

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