LPS-33512 Use AES-256 for company key encryption
LPS-33512 Remove MACs - we don't need hashes, we need to decrypt streams
LPS-33512 Remove RC2 and RC4 because we don't support nonces making the ciphers insecure.
LPS-33512 Company key upgrade process
LPS-33512 minor src format
LPS-33512 SF