challenge001

Description:

I forgot to buy a ticket! I asked the train conductor to let me off this time and he said he would, but only if I helped him decipher this message sent by his 3 fencing instructors. Help me solve it so i don’t have to pay a fine . Encrypted Message: irn6_l5}sc{3cn_nr151_zff104_3

Hints: Rail Fence Cipher Surely one Rail conductor doesn’t need 3 Fencing instructors

• Category: crypto

Solution:

1. use dcode.fr to decode railway fence cipher
2. the key is 3, and make sure u keep the puncutations and spaces, so that the ‘{‘ and ‘}’

Flag: isfcr{f3nc1n6_0n_r41l5_15_3z}