Replies to message #4,042

Don't forget the \n at the end. The trick for ROT13 is to stick it through a substitution array. Something like this: void rot13(char* s) {...

You never initialize encrypted_str so it will most likely be full of garbage and the C string functions won't work properly. Besides which, you...

Skull Gun is on point with substitution, so I'll be picky with what you've written. use uint8_t instead of int for ascii, you know the range for...

Good advice. You can find a lot of tables like this in a large number of crypto and hashing libs. This reminds me of a CRC32 thing I wrote back...