Cypher used in a sentence

Cypher in a sentence as a noun

There isn't really a cypher to it, no maths etc.

At that time, the cypher altered only once every few months.

If the data is encrypted, all wed be handing over would be the cypher text, he said.

How am I supposed to figure out what your cypher text telling me what is wrong actually says?

Cypher in a sentence as a verb

Here you have some time-serving cypher filling a slot to help the administration check a box.

When that person receives the cypher, if he XOR's the cypher with the key, out will pop the original message!The only visual difference to this method vs that in the linked article is that the message won't start to show up when you're a pixel or two out of alignment because there is no four-pixel subdivision.

Someone could record your message and re-transmit.- Simply encrypting your message will not assure that the contents haven't been modified, someone could patiently sit in the middle poking bits to see what happens.- Most encryption schemes will require you to choose a block cypher, doing so requires some knowledge of the options and the data you're sending.