Is there a way for me to decrypt message without key?
How can I decrypt a text when I don't know it's algorithm & key?
It looks like Vigenere cipher. To decrypt message without key, you can try this: http://www.dcode.fr/vigenere-cipher EDIT: Here is the result. It is indeed Vigenere cipher. "This course succeeds in part because it ignites and reignites the energy that comes from the joy of caring things and the confidence in the sense that you actually can care stuff" Key: Smile