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Gnupg (Gpg)

GnuPG (GNU Privacy Guard) is a free software for encrypting and verifying data. The tool implements the OpenPGP standard, enabling users to digitally sign files or communications for authentication and to encrypt sensitive information for secure transmission. GnuPG lets users create public and private cryptographic keys that can be used with multiple email and file sharing programs. Its compatibility with other OpenPGP-compliant systems makes it a versatile solution for individuals and organizations concerned about privacy and security in electronic communications or data storage.