Flag_hasher
Pwn
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Sha256 is a well-known secure hash algorithm. No one can reverse the original text from the output hash. As proof, I going to prove the Sha256 hash of the flag to you, and you will never find the original flag.
Note: There is a step-by-step guide to the challenge.
https://hackmd.io/@blackb6a/hkcert-ctf-2024-ii-en-07128acbc80dd0a4
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