This reminds of the times when I was at school and was solving the weekly online challenges for National Cipher Challenge (UK). My program which cracked Vigener

This reminds of the times when I was at school and was solving the weekly online challenges for National Cipher Challenge (UK). My program which cracked Vigenere cipher was one of my first projects when I was learning programming. My solution depended on the fact that I knew a few words which will occur in the plaintext, and I would just try these words in all possible positions in the text and get the possible keys.