函数逻辑报告 |
Source Code:lib\crypto\des.c |
Create Date:2022-07-27 07:44:51 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
首页 | 函数Tree |
注解内核,赢得工具 | 下载SCCT | English |
函数名称:Encryption key expansion* RFC2451: Weak key checks SHOULD be performed.* FIPS 74:* Keys having duals are keys which produce all zeros, all ones, or* alternating zero-one patterns in the C and D registers after Permuted* Choice 1 has operated on the key.
函数原型:static unsigned long des_ekey(u32 *pe, const u8 *k)
返回类型:unsigned long
参数:
类型 | 参数 | 名称 |
---|---|---|
u32 * | pe | |
const u8 * | k |
629 | d与等于0x0e |
629 | d左移等于4位 |
629 | d等于Lookup tables for key expansion [d] |
630 | c与等于0x0e |
630 | c左移等于4位 |
630 | c等于Lookup tables for key expansion [c] |
631 | b与等于0x0e |
631 | b左移等于4位 |
631 | b等于Lookup tables for key expansion [b] |
632 | a与等于0x0e |
632 | a左移等于4位 |
632 | a等于Lookup tables for key expansion [a] |
655 | pt加等于512 |
657 | d与等于0xe0 |
657 | d右移等于4位 |
657 | d等于Lookup tables for key expansion [d + 1] |
658 | c与等于0xe0 |
658 | c右移等于4位 |
658 | c等于Lookup tables for key expansion [c + 1] |
659 | b与等于0xe0 |
659 | b右移等于4位 |
659 | b等于Lookup tables for key expansion [b + 1] |
660 | a与等于0xe0 |
660 | a右移等于4位 |
660 | a等于Lookup tables for key expansion [a + 1] |
687 | c与等于0xffff0000 |
696 | 返回:w |
名称 | 描述 |
---|---|
des_expand_key | |
des3_ede_expand_key |
源代码转换工具 开放的插件接口 | X |
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支持:c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现:逻辑报告 代码生成和批量转换代码 |