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    • 5. 发明申请
    • Method, system, and apparatus for dynamically validating a data encryption operation
    • 用于动态验证数据加密操作的方法,系统和装置
    • US20070116266A1
    • 2007-05-24
    • US11285408
    • 2005-11-22
    • Paul GrecoMelanie SandbergScott Schaffer
    • Paul GrecoMelanie SandbergScott Schaffer
    • H04L9/28
    • H04L9/3236H04L2209/30
    • A method, system, and apparatus for dynamically validating a data encryption operation are disclosed. In one embodiment, a method is provided which comprises decrypting a first sequential data element of a plurality of data elements substantially in parallel with the encryption of a second sequential data element of the plurality, where the first element comprises first data and first encryption validation metadata. In response to the decryption, second encryption validation metadata is generated utilizing the first data. Thereafter, a determination is made whether the first element has been validly encrypted based upon a comparison of the first and second metadata. In other embodiments, an encryption validation indicator may be generated (e.g., to notify a user of a detected encryption error and/or to mark a portion of data for re-encryption), further encryption operations may be suspended, and/or the storage of the first data element may be controlled following such a determination.
    • 公开了用于动态地验证数据加密操作的方法,系统和装置。 在一个实施例中,提供了一种方法,其包括与多个第二顺序数据元素的加密基本上并行地解密多个数据元素的第一顺序数据元素,其中第一元素包括第一数据和第一加密验证元数据 。 响应于解密,利用第一数据产生第二加密验证元数据。 此后,基于第一和第二元数据的比较,确定第一元素是否已被有效地加密。 在其他实施例中,可以生成加密验证指示符(例如,向用户通知检测到的加密错误和/或标记用于重新加密的数据的一部分),可以暂停进一步的加密操作,和/或存储 可以在这样的确定之后控制第一数据元素。
    • 6. 发明申请
    • Method and system for generating ciphertext and message authentication codes utilizing shared hardware
    • 使用共享硬件生成密文和消息认证码的方法和系统
    • US20070106896A1
    • 2007-05-10
    • US11268981
    • 2005-11-08
    • Melanie SandbergScott Schaffer
    • Melanie SandbergScott Schaffer
    • H04L9/00
    • H04L9/0643H04L9/0637H04L9/3242H04L2209/125H04L2209/38
    • A method and system for generating ciphertext and message authentication codes utilizing shared hardware are disclosed. According to one embodiment, a method is provided of generating ciphertext message data and message authentication codes utilizing shared authenticated encryption unit hardware. In the described embodiment, plaintext message data is received at an authenticated encryption unit which comprises first and second authenticated encryption hardware modules. Thereafter, a first message authentication code (MAC) associated with a first authenticated encryption mode and a second MAC associated with a second authenticated encryption mode are generated. More specifically, the first MAC is generated utilizing the plaintext message data and first authenticated encryption hardware module and ciphertext message data and the second MAC are generated utilizing the plaintext message data and second authenticated encryption hardware module.
    • 公开了一种利用共享硬件产生密文和消息认证码的方法和系统。 根据一个实施例,提供了一种利用共享认证加密单元硬件生成密文消息数据和消息认证码的方法。 在所描述的实施例中,在包括第一和第二认证加密硬件模块的认证加密单元处接收明文消息数据。 此后,生成与第一认证加密模式相关联的第一消息认证码(MAC)和与第二认证加密模式相关联的第二MAC。 更具体地,利用明文消息数据和第一认证加密硬件模块和密文消息数据生成第一MAC,并且利用明文消息数据和第二认证加密硬件模块生成第二MAC。