Key Decryptor

December Cryptography Challenges

31 Days • 31 Ciphers

Day 12

Broken Block Cipher

Easy

An AES-CBC encrypted message was leaked along with its IV and key. Decrypt the ciphertext to retrieve the flag.

Encrypted Text:

IV=7365637265746b65 KEY=7365637265746b65 CIPHERTEXT=a8x+ex25mGjLFejTc9TydS50VRjL8XATkI2Dkd+wSPM=
December Cryptography Challenges - 31 Days of Encoding and Decoding Challenges