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。

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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。

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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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