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Everything about Double encoding

Attack technique for bypassing security measures

Double encoding is the act of encoding data twice in a row using the same encoding scheme. It is usually used as an attack technique to bypass authorization schemes or security filters that intercept user input. In double encoding attacks against security filters, characters of the payload that are treated as illegal by those filters are replaced with their double-encoded form. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Double encodingA 5-minute orientation
  2. Skim a recent paper: Audio encryption using two chaotic map based dynamic diffusion and double DNA encodingInfluential work since 2022
  3. Pick up a classic book: Home recording for musicians for dummiesThe most-reprinted book on the subject
  4. Read the landmark paper: Double random-phase encoding in the Fresnel domainCited 933 times
  5. Go sideways: Path traversal attackA closely related topic
  6. Go sideways: XML external entity attackA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

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