RaRCTF 2021

• https://ctf.rars.win/

• 2021/08/07 02:00 JST - 2021/08/10 02:00 JST

My Challenges

Solved

tag	problem	comment	score	solved
Pwn	Archer		100	223
Reversing	Dotty	Base32	150	189
Web	Secure Uploader	os.path.join	150	145
Crypto	babycrypt	RSA, n%(p-1)	200	110
Crypto	minigen	XOR	100	158
Crypto	sRSA		100	224
Crypto	unrandompad	RSA, Håstad's Broadcast Attack	150	90
Reversing	verybabyrev	XOR	100	235

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Result

• 1170 points

• 144 / 845 (> 1 pt)