Block cipher challenge

Level: CBC mode

Sorry, you're not an admin (need is_admin: true)



Ciphertext (hexencoded), for easy copy-paste

ed3a5da49b2f497b0cbb2204200d426d1b5949bfca39e2ef6ed62220b8b277c937b4618406b9ef3301e9649d9927aab641550b37b1f9a929d7f0381d11cec4f2

Ciphertext (hexencoded):

ed3a5da49b2f497b0cbb2204200d426d 1b5949bfca39e2ef6ed62220b8b277c9 37b4618406b9ef3301e9649d9927aab6 41550b37b1f9a929d7f0381d11cec4f2

Plaintext (hexencoded):

ed3a5da49b2f497b0cbb2204200d426d 7b22757365726e616d65223a20226775 657374222c202269735f677565737422 3a20747275657d090909090909090909

Plaintext:

\xed:]\xa4\x9b/I{\x0c\xbb"\x04 \rBm {"username": "gu est", "is_guest" : true}\t\t\t\t\t\t\t\t\t

Final plaintext

{"username": "guest", "is_guest": true}