Cipher tools

A very simple method of encription, the Caesar cipher - also known as a shift cipher - 'shifts' the alphabet a certain number of spaces, pushing the letters at the end to the beginning. The most common Caeser cipher is Rot 13, where A becomes N and so forth. You can optionally add a key to the cipher to further encrypt your results, this will create a custom alphabet to rotate through – see the Substiution Cipher below for more information.

There is more information available on the Caesar_cipher Wikipedia page.

A substitution cipher uses a key or a phrease to make a new alphabet, with the end result potentially being a completely jumbled up alphabet.

A quick example substitution: SENTENCE → TEST → QBLRBLSB - The full alphabet would look like TESABCDFGHIJKLMNOPQRUVWXYZ – notice that T, E and S have moved to the start, the second T in TEST isn't present again as it has already been used and placed. Mixed case strings and keys are supported here, for example: SENTence → TEST → QBLRblsb or SENTence → TEst → PAKQaksa – There is more information available on the Substitution cipher Wikipedia page.

One of the most well known cipher methods. Each letter of the message is shifted by a corresponding character of the key, running out of characters in the key will loop back to the beginning. For example: SENTENCE encrypted with a key of TEST would shift like: S → T → L E → E → I N → S → F T → T → M - for the next letters, the key would loop back and start from the first T in TEST again. There is more information available on the Vigenère cipher Wikipedia page.

Generate various hash values for a given text string. More information about hashes and the libraries used here, can be found on the CryptoJS Gitbook documentation site.