DMOJ Capture The Flag '20 C3 - Small AES

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Points: 7
Time limit: 0.5s
Memory limit: 128M

Problem type
Allowed languages
Ada, Assembly, Awk, Brain****, C, C#, C++, COBOL, CommonLisp, D, Dart, F#, Forth, Fortran, Go, Groovy, Haskell, Intercal, Java, JS, Kotlin, Lisp, Lua, Nim, ObjC, OCaml, Octave, Pascal, Perl, PHP, Pike, Prolog, Python, Racket, Ruby, Rust, Scala, Scheme, Sed, Swift, TCL, Text, Turing, VB, Zig

Everyone knows that AES is secure... or is it?

Please decrypt the flag:

53rW_RiyUiwXq3PD7E4RHJuzjlHbw4YmG8wNRILXEQdBFiJZlpI2WjD_kNeQAUYG 0c313569ff977b98569ba702d56c4653 1K

This problem is from DMOJ Capture The Flag '20. For more details, please view the contest page.


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