Encryption and decoding for WEB
JAPAN ENGLISH
Let's encrypt your secret and keep it in the Blog, the WEB E-mail or E-mail safely.

Plaintext                           

Ciphertext                           

Key
Key list
Preserve the key and the memo by the number.
Number Memo
Open the key list in the encrypted cookie.
Key to the key list
Initialize the key list in the encrypted cookie.

It is a page of a safe encryption and decoding only by Javascript.
256bit key length of the AES(Rijndael) is used for the encryption.
The any of the plaintext, the ciphertext, the key and the key to the key list neither be transmitted in the server at all.
The key list encrypts with the key to the key list and preserves as a cookie.
This page can be recycled under LGPL license.