1. Home
  2. Encrypt & Decrypt
  3. #

LS47 Cipher

Password
Padding
Signature

LS47 Cipher is a slight improvement of the ElsieFour cipher as described by Alan Kaminsky. It use 7x7 characters instead of original (barely fitting) 6x6, to be able to encrypt some structured information. It also describe a simple key-expansion algorithm, because remembering passwords is popular.

Similar security considerations as with ElsieFour hold.
The LS47 alphabet consists of following characters: _abcdefghijklmnopqrstuvwxyz.0123456789,-+*/:?!'()
A LS47 key is a permutation of the alphabet that is then represented in a 7x7 grid used for the encryption or decryption.

References

https://wikipedia.org/wiki/Salsa20#ChaCha_variant

Featured Tools
Featured tools that you might find useful.

Popular Tools
List of popular tools that users love and frequently use.

New Tools
The latest tools added to our collection, designed for you.

Topics
The tools grouped by topics to quickly find what you need.

Related Tools

The ADFGX Cipher is a fractionating transposition cipher which combined a modified Polybius square with a single columnar transposition. It is closely related to the ADFGVX Cipher.

ADFGX Cipher
The ADFGX Cipher is a fractionating transposition cipher which combined a modified Polybius square with a single columnar transposition. It is closely related to the ADFGVX Cipher.
Affine Cipher is a type of monoalphabetic substitution cipher. It encrypts a text using an affine function (f(x) = ax + b).

Affine Cipher
Affine Cipher is a type of monoalphabetic substitution cipher. It encrypts a text using an affine function (f(x) = ax + b).
Autokey Cipher is a polyalphabetic substitution cipher. It is closely related to the Vigenere cipher, but uses a different method of generating the key.

Autokey Cipher
Autokey Cipher is a polyalphabetic substitution cipher. It is closely related to the Vigenere cipher, but uses a different method of generating the key.
Caesar Cipher, also known as Shift Cipher, or Caesar Shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.

Caesar Cipher
Caesar Cipher, also known as Shift Cipher, or Caesar Shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.