There is a need in the art for improved techniques for managing expired and active encryption keys for removable storage media, such as tape cartridges.
本领域内需要一种改进的用于管理可更换的存储介质（例如盒式带）的到期和活动加密密钥的技术。
The software will be capable of decrypting volumes, folders and files of suspected media including that which is subject to various types of encryption - including 32 and 64-bit systems.
该软件将能解密各种加密类型的可疑媒体的卷，文件夹和文件——包括32位和64位系统。
Encrypted cryptographic key, which need to be saved in the extern media, was encrypted with Password-Based Encryption technology and was saved in the computer file system.
对于系统中需要外在的物理媒介来保存的加密密钥，使用基于口令的加密技术对密钥加密，将密钥保存在计算机文件系统中。
Data encryption is also supported to other media.
数据加密，也支持其他媒体。
The funtion of MAC module is media access control and encryption.
媒体控制模块提供媒体访问控制和加密机制。
Watermark embedding at a server end, encryption and PDCF packaging of media data and reverse processing of a client are the core content of the invention.
服务器端水印嵌入、媒体数据的加密和PD CF打包以及客户端的逆处理过程是本发明的核心内容。
Removable media protection Secures data on removable media such as USB connected storage devices and disks by encryption and password protection.
可移动媒体保护保证了数据的可移动媒体，如usb连接的存储设备和磁盘的加密和密码保护。
The I/O manager code 8 may use the encryption engine 10, which performs operations to encrypt and decrypt data on a coupled removable storage media 4 using one or more encryption keys.
I／O管理器代码8可使用加密引擎10，该加密引擎10执行操作以使用一个或多个加密密钥对耦合的可更换存储介质4上的数据加密和解密。
The I/O manager code 8 may use the encryption engine 10, which performs operations to encrypt and decrypt data on a coupled removable storage media 4 using one or more encryption keys.
I／O管理器代码8可使用加密引擎10，该加密引擎10执行操作以使用一个或多个加密密钥对耦合的可更换存储介质4上的数据加密和解密。
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