Signing certificates for the server certificates.

服务器证书的签名证书。

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The last file, root.crl, is optional and is used to revoke server certificates.

最后一个文件root . crl是可选的，用于撤销服务器证书。

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For this trust, a client must trust the ca which signed the server certificates.

对于这种信任，客户机必须信任签署服务器证书的CA。

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Chase pays a software licensing fee to Entrust to generate its certificates, which are stored and retrieved from a server.

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