BCArchive 2.07.1

BCArchive is designed to compress a group of files/folders to a single encrypted file. The following options to encrypt data are implemented:

• Create compressed and encrypted archive file protected by password.
• Create compressed and encrypted archive file encrypted using the public key of another user.
• Add several passwords to an existing archive file.
• Apply more than one public keys to an archive file enabling a number of users to decrypt the archive.
• Generate new or use existing secret/public key pairs in PKCS-12/X.509 format.
• Compress and encrypt data to a self-extracted executable program. The user can run the program and extract the data even on a computer where BCArchive is not installed.

BCArchive enables the use of existing public key databases, such as those created for PGP software, which have been used world-wide for many years. BCArchive utilizes the following encryption algorithms, standards and specifications:

• Symmetric algorithms: Rijndael (AES), Blowfish-256, Blowfish-448, IDEA, CAST5, GOST 28147-89, Triple DES.
• Secure Hash Algorithms: SHA-256, SHA-1, MD5 and RIPEMD-160.
• Asymmetric (public/secret key pair) algorithms: RSA, ElGamal / Diffie-Hellman.
• Specifications for public/secret key pair format: PKCS #12, X.509.
• PKCS #5 recommendations for the implementation of password-based cryptography.
• RFC 2440 specifications for session keys encrypted by symmetric or public key encryption algorithms.

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