LPS-33511 Use AES-256 for company key encryption
LPS-33511 Remove MACs - we don't need hashes, we need to decrypt streams
LPS-33511 Remove RC2 and RC4 because we don't support nonces making the ciphers insecure.
LPS-33512 Company key upgrade process
LPS-33511 Simplify BCrypt implementation
LPS-33511 Simplify PBKDF2 implementation
LPS-33511 Add more tests into PwdEncryptorTest