You could have downloaded Seald 0.1.11 for Mac from our application library for free. This Mac download was checked by our built-in antivirus and was rated as malware free. The actual developer of this free software for Mac is Seald. The application lies within Security Tools, more precisely Personal Security.
From the developer:
Seald is a one-click encryption tool that keeps unwanted eavesdroppers out of your conversations. This app makes secure communications easy and fun.
It allows you to end-to-end encrypt (RSA-4096 and AES-256) all your messages, documents, posts, etc. Only the intended recipient, and nobody else, can read your messages.
You may want to check out more Mac applications, such as ZendGuard, Kidwidget or LOCKME, which might be related to Seald.