标签:DN 编码 CN 证书 ASN.1 学号 Liu Jinming 数字证书
查看姓名、学号的16进制ASCII码
echo -n "Liu Jinming" | od -tc -tx1
echo -n "20201327" | od -tc -tx1
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230410211434860-778482440.png)
对TBSCertificate进行DER编码
1.序列号1174(0x0496)
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230410223759190-964461086.png)
2.证书签发者DN="CN=Virtual CA
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230410223857254-823950454.png)
证书有效期=20200222000000-20220222000000
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230410223957534-699610146.png)
4.证书持有者DN=CN=Liu Jinming, OU=Person
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230410224818741-1048193794.png)
OpenEuler
查看姓名、学号的16进制ASCII码
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230411221005026-2136091086.png)
4.证书持有者DN=CN=Liu Jinming, OU=Person
![](/i/l/?n=23&i=blog/2166558/202304/2166558-20230411222733498-474303639.png)
标签:DN,
编码,
CN,
证书,
ASN.1,
学号,
Liu,
Jinming,
数字证书
From: https://www.cnblogs.com/yycyhyhf/p/17304647.html