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Alternative TitleMethod for realizing working mode of block cipher algorithm for WIA-PA security
董策; 段茂强; 王剑; 谢闯; 杨志家
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a method for realizing the working mode of a block cipher algorithm for WIA-PA security. The method comprises the following steps of: setting an encryption or decryption operation type; setting the working mode and the block input length; loading a secret key, initializing a vector, and setting a feedback cache variable; loading a data input variable, and generating an AES-128 encrypted/decrypted input x; performing AES-128 encryption/decryption operation of the input x to be encrypted/decrypted, and generating an output y; updating a feedback cache variable value; and generating a data output variable according to the operation type and the working mode. According to the invention, multiple working modes of the block cipher algorithm can be independently realized; the encryption/decryption function and the authentication function of a CCM* mode in an IEEE 802.15.4 protocol can also be supported; information security functions and requirements of a WIA-PA network can be satisfied; and thus, the disadvantages that the traditional upper control process is complex and the working load of a processor is heavy can be solved.
PCT Attributes
Application Date2014-12-26
Application NumberCN201410830365.7
Open (Notice) NumberCN105790926A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
董策,段茂强,王剑,等. 用于WIA-PA安全的分组密码算法工作模式实现方法[P]. 2016-07-20.
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