Short description of Solid Encryption 1.21: This gives you access to unbreakable OTP encryption. You can encrypt to and from files or directly to the clipboard. Paste cipher-text directly into text documents. Generate real random keys with no more than a radio and a sound card. One-Time Pad (OTP) encryption a.k.a. infinite key encryption. OTP encryption is absolutely unbreakable if used correctly. This system is well known and has been used for a long time by various intelligence agencies