SafeKuvert is a computer application that provides the user with the ability to encrypt, digitally sign, compress, and/or securely delete files from the hard disk. It uses the Public Key Infrastructure (PKI) built into Windows, standard X-509 certificates from any source including Active Directory, and support for AES, 3DES, DES, RC2, RC4 symmetrical encryption algorithms. It also adds several useful Windows Shell extensions that make managing files more convenient. The resulting encoded files are standard PKCS#7 messages saved in files with a ".pkcs7" extension.
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