hleej / text_encryptor

Personal Project 5: encrypt unicode string in text file using the FNV hash function with a password.

Personal Project 5: Text Encryptor

Warning: Security Unproved Algorithm

I don't know how much it is secure, as I'm new to Cryptography.
I made it just for fun and curiosity, combining the concepts of Caesar cipher and hash function.
Please feel free to tell me your opinion when you:

• are knowledgeable about security (I would like to know how secure this algorithm is)
• know this algorithm is already exists
• find any errors or ways to improve it
• have any other feedback

Brief

Encrypt unicode string in text file using the FNV hash function with a password.
Support encoding: utf-8

Simplified explanation: to be added someday

Features

• Remains language type when encrypted (currently support only Digits, Basic symbols, English, Korean)
  • Ascii Codes including number, English, basic symbols(abcd -> 3a>$)
  • Hangul Syllables (가나다 -> 왢킘뎝)
  • Hangul Compatability Jamo (ㄱㄴㄷ -> ㆌㄱㅶ)
  • other letters: ignore
• Provides options on letters to encrypt or not to encrypt (currently support only whitespace, horizontal tab)

Samples

In folder 'test',
test_encrypted.txt is encrypted from test.txt with password "password". test_encrypted_decrypted.txt is decrypted from test_encrypted.txt with password "password*.