9 lines
306 B
Markdown
9 lines
306 B
Markdown
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## Login Error
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The main idea finding the flag is decryption of AES CBC encryption.
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#### Step-1:
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I am not that good at AES encryption, so looked up [here](https://dunsp4rce.github.io/csictf-2020/crypto/2020/07/21/Login-Error.html).
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#### Step-2:
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Finally the flag becomes:
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`csictf{Sh4u!d_hav3_n0t_u5ed_CBC}`
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