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Swap on Curve

This is the fourth crypto challenge from ASCS 2021. It is an interesting question related to ECC.

CBCBC

This is the second crypto challenge from ASCS 2021. It tried to use double AES CBC to protect against padding oracle attack.

RSA stream

This is the first crypto challenge from ASCS 2021. It used Stream cipher with RSA to encrypt a message.

Space Noise

This is a challenge from Cryptography section of Standcon 2021. The challenge wants us to guess the encryption scheme

Ingenuity Installer

This is a challenge from Cryptography section of Standcon 2021. The challenge wants us to forge a signature of a zip file.