prob4

4

First impression

Encoded string.

Trial and error

• YzQwMzNiZmY5NGI1NjdhMTkwZTMzZmFhNTUxZjQxMWNhZWY0NDRmMg==.
• After base64 decode using cryptii, c4033bff94b567a190e33faa551f411caef444f2.
• After looking up in Hashkiller, a94a8fe5ccb19ba61c4c0873d391e987982fbbd3.
• After looking up in Hashkiller, test.

Solution

• = at the end of the string means that it could be encoded using base64.
• 40 bytes means that it could be encrypted using SHA1.