Key expansion and encryption/decryption are synchronized,so key expansion can be shared by several parallel eccryption/decryption modules.
密钥扩展过程和加密(解密)过程同步,在多个加密(解密)部件并行工作的情况下可以共享同一个密钥扩展部件,从而降低芯片逻辑资源的使用。
参考来源 - 支持变长密钥的AES算法的FPGA实现The realization of Rijndael algorithm was divided into three modules, including the key expansion module, the encryption module and the decryption module. The results can be used as API functions in the program of embedded encryption application directly.
Rijndael算法的实现分为三大模块:密钥扩展、加密和解密模块,其结果可作为API函数,在嵌入式加密应用软件编程中直接调用。
参考来源 - 基于ARM的高级数据加密算法应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
One-time key expansion was adopted.
密钥扩展采用一次性生成方式。
The other is adopt the inverse expansion in decryption key expansion module of feedback working pattern.
第二是在反馈工作模式下对解密密钥扩展运用了逆向扩展的方法。
The Confederation of British Industry, the key employers' organization, wants even more expansion in higher education to help fight competition on world markets from booming Asian economies.
主要雇主组织——英国工业联合会希望进一步扩大高等教育，以帮助应对亚洲经济体在世界市场上的竞争。
Another key element,he said, is the expansion of regional markets through intra-African trade.
VOA: standard.2009.10.20
"I want to emphasize our commitment to the Nigerian market,". "This new flight is a key part of Delta's African expansion and ensures that we maintain our position as the number one US carrier to Nigeria and more broadly to Africa."
VOA: standard.2009.06.13
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