With this app you can encrypt or decrypt your text with cryptographically strong cipher SEED.
SEED is used in Korean banking for making encrypted transaction.
App can send encrypted or decrypted message via e-mail, SMS, IMS, Facebook and so on, save it in notes or open this text in any other app that can receive text messages.
It is full version with feature of switching between dark and light themes.

Specifications:
Algorithm: KISA SEED (symmetric block encryption);
Key length: 128 bits;
Cipher mode: ECB – Electronic Code Book;
Source of the key: MD5 checksum of your password;
Integrity check: MD5 checksum of message;
Encrypted data format: Base64 string.