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<br><br><p align="center"><img align="center" src="https://i.imgur.com/JgjSLU0.png" width="312" alt="Picocrypt"></p><br><br> <br><br><p align="center"><img align="center" src="https://i.imgur.com/JgjSLU0.png" width="312" alt="Picocrypt"></p><br><br>
Picocrypt is a <i>very tiny</i> (hence "Pico"), very simple, yet very secure file encryption tool. It uses the modern ChaCha20-Poly1305 cipher suite as well as Argon2, making it about as secure and modern of an encryption tool as you'll ever get your hands on. It's very simple to use, which allows anyone to start encrypting private files, no matter what level of experience they have with computers. Picocrypt's focus is <i>security</i>, so it might be slightly slower and less attractive visually than others. Remember: your privacy and security is in your hands. Take good care of it and encrypt your files with Picocrypt. Picocrypt is a <i>very tiny</i> (hence "Pico"), very simple, yet very secure file encryption tool. It uses the modern ChaCha20-Poly1305 cipher suite as well as Argon2, making it about as secure and modern of an encryption tool as you'll ever get your hands on. It's very simple to use, which allows anyone to start encrypting private files, no matter what level of experience they have with computers. Picocrypt's focus is <i>security</i>, so it might be slightly slower and less attractive visually than others. Remember: your privacy and security is in your hands. Take good care of it and encrypt your files with Picocrypt. <strong>Please <a href="Donate.md">donate</a> to help raise money to get Picocrypt audited.</strong>
<p align="center"><img alt="Screenshot" src="https://i.imgur.com/KL8TPGK.png" width="384"></p> <p align="center"><img alt="Screenshot" src="https://i.imgur.com/KL8TPGK.png" width="384"></p>
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<ul> <ul>
<li>File metadata (editable for encryption, readonly for decryption): Use this to store notes, information, and text along with the file (it won't be encrypted). For example, you can put a description of the file before sending it to someone. When the person you sent it to selects the file in Picocrypt, your description will be shown to that person.</li> <li>File metadata (editable for encryption, readonly for decryption): Use this to store notes, information, and text along with the file (it won't be encrypted). For example, you can put a description of the file before sending it to someone. When the person you sent it to selects the file in Picocrypt, your description will be shown to that person.</li>
<li>Keep decrypted output even if it's corrupted or modified (decryption only): Picocrypt automatically checks for integrity upon decryption. If the file has been modified or is corrupted, Picocrypt will delete the output. If you want to keep the corrupted or modified data after decryption, check this option. Also, if this option is checked and the Reed-Solomon feature was used on the encrypted file, Picocrypt will attempt to recover as much of the file as possible during decryption, if it is corrupted.</li> <li>Keep decrypted output even if it's corrupted or modified (decryption only): Picocrypt automatically checks for integrity upon decryption. If the file has been modified or is corrupted, Picocrypt will delete the output. If you want to keep the corrupted or modified data after decryption, check this option. Also, if this option is checked and the Reed-Solomon feature was used on the encrypted file, Picocrypt will attempt to recover as much of the file as possible during decryption, if it is corrupted.</li>
<li>Securely erase and delete original file (encryption only): If checked, Picocrypt will generate pseudo-random data and write it to the original file while encrypting, effectively wiping the original file. The file will be deleted once encryption is complete. This method is better than just deleting the original file, because the original file can still be recovered by hackers using special software. Picocrypt overwrites the original file making sure that it's impossibe to retrieve the original file after deletion.</li> <li>Securely erase and delete original file (encryption only): If checked, Picocrypt will use system internals to overwrite the input file(s) multiple times and delete it. This method is better than just deleting the original file, because the original file can still be recovered by hackers using special software. Picocrypt securely deletes the original file making sure that it's impossibe to retrieve the original file after deletion.</li>
<li>Prevent corruption using Reed-Solomon (encryption only): This feature is very useful if you are planning on archiving important data on a cloud provider or external hard drive for a long time. If checked, Picocrypt will use the Reed-Solomon error correction code to add 13 extra bytes for every 128 bytes to prevent file corruption. This means that up to ~5% (13/128/2) of your file can corrupt, and Picocrypt will still be able to correct it and decrypt your files with no corruption. Obviously, if your file corrupts very badly (ie. you dropped your hard drive ), Picocrypt won't be able to fully recover your files, but it will try its best to recover what it can. Note that decryption is very slow because Picocrypt is reassembling and (if necessary) correcting broken bytes. The output will also be ~10% larger.</li> <li>Prevent corruption using Reed-Solomon (encryption only): This feature is very useful if you are planning on archiving important data on a cloud provider or external hard drive for a long time. If checked, Picocrypt will use the Reed-Solomon error correction code to add 13 extra bytes for every 128 bytes to prevent file corruption. This means that up to ~5% (13/128/2) of your file can corrupt, and Picocrypt will still be able to correct it and decrypt your files with no corruption. Obviously, if your file corrupts very badly (ie. you dropped your hard drive ), Picocrypt won't be able to fully recover your files, but it will try its best to recover what it can. Note that decryption is very slow because Picocrypt is reassembling and (if necessary) correcting broken bytes. The output will also be ~10% larger.</li>
</ul> </ul>