tähestikukoodi
Tähestikukoodi is an Estonian term that translates to "alphabet code" or "letter code" in English. It refers to a simple substitution cipher where each letter of the alphabet is systematically replaced by another letter, a number, or a symbol. These codes are often used for basic obfuscation or in educational contexts to teach the principles of cryptography.
The most straightforward type of tähestikukoodi is a simple Caesar cipher, where each letter is shifted a
Tähestikukoodi is generally considered a weak form of encryption. Its main vulnerability lies in frequency analysis,