tl;dr
- Extract higher bits of secret using input manipulation
- Extract lower bits of secret using the highers bits and input manipulation
tl;dr
tl;dr
Intended solution of PRetty stroNG challenge from InCTF Internationals 2019
tl;dr
Intended solution of waRSAw challenge from InCTF Internationals 2019
tl;dr variant of LSB Oracle Attack on unpadded RSA
tl;dr
Full solution of EZDSA challenge from MidnightSun CTF Quals 2019.
tl;dr retrieving key using Euler’s Criterion to break signature authentication
tl;dr solving RSA Digital Signature using it’s homomorphic property:
M
to be signed, separatelyM
tl;dr Coppersmith’s Attack to recover RSA primes
tl;dr
tl;dr Known plaintext attack on a multithreaded AES-CTR
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