Because it mixes symmetrical and asymmetrical encryption for performance reasons. Technically speaking, PGP uses a hybrid solution. The password is also required in order to use the private key for decryption. The content can only be decrypted with the corresponding counterpart, the private PGP key. PGP preferably uses the principle of asymmetric encryption, in which a message is encrypted with the recipient’s public key. The human being is and remains the greatest risk in the chain. It is an environment that is isolated from your system. We therefore advise you to do this in a sandbox if you want to transmit or receive very confidential information. One more thing about security: There are always ways to completely bypass applications and their security functions. In the further course of this article we will introduce you to other programs that are suitable for professional use on Windows, Linux or Mac for professional use. Our PGP Tool is intended for fast, uncomplicated purposes and should give you the opportunity to use PGP here and now – especially anywhere, regardless of the platform. Therefore, we cannot help you if you lose the key or password. This would be in contradiction to asymmetrical encryption, in which only one person should have the private key. Please note when using our PGP tool that we do not store any data about you. Even if it is tedious to type in the password when decrypting it using the smartphone keyboard, it is the safest. If you forget your passphrase, your private key is useless – the reverse is true! The highest risk arises when handling, especially if the key and password are stored on the cell phone. In addition, a good password (PGP passphrase) is essential because it protects your private key from misuse. The private PGP key is always required for the decryption of messages, which you should protect against unauthorized access in a suitable storage space.

When used correctly, PGP is perfectly safe.

And our PGP Tool works with the same technology, which you can use free of charge for the encryption and decryption of messages. OpenPGP is based on PGP, but has been supplemented by many other useful functions. Because OpenPGP, a free form of encryption technology, has prevailed. The commercial variant of PGP is less important today. While the sender encrypts the content of his message with the recipient’s public key, the text can then only be decrypted with the correct counterpart – the recipient’s private PGP key. PGP is based on the principle of asymmetric encryption. The software with the name “pretty good privacy” was launched in 1991 by the former developer Phil Zimmermann. Pretty Good Privacy is a program used to encrypt and sign messages and emails.

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