Encoding a message with a phrase includes utilizing a key phrase to remodel the unique message right into a secret code. For example, if we use the key phrase “SECRET” to encode the message “HELLO,” we assign every letter of the message to the corresponding letter within the key phrase. This leads to the encoded message “SFMBU.”
Encoding messages with phrases has been used for hundreds of years as a easy but efficient method to defend delicate info. It’s significantly helpful in conditions the place written communication must be stored confidential, reminiscent of throughout wartime or diplomatic negotiations.
