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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31508-2015 |
Information security techniques—Public key infrastructure—Digital certificate policies classification and grading specification 信息安全技术 公钥基础设施 数字证书策略分类分级规范 |
China National Standards Information security techniques—Public |
 English PDF |
| GB/T 30274-2013 |
Information security techniques—Public Key Infrastructure―Specification of testing on application interfaces of electronic signature card 信息安全技术 公钥基础设施 电子签名卡应用接口测试规范 |
China National Standards Information security techniques—Public |
English PDF |
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