您可以从签名授权机构获得一个官方的证书，或者忽略该消息。
You can either get an official certificate from a signing authority or ignore this message.
认证技术包括认证授权机构、SET模式、数字证书等。
Attestation technology includes attest right authorization institute, SET model, digit certificate, etc.
电子商务安全系统的关键是认证技术。认证技术包括认证授权机构、SET模式、数字证书等。
Attestation technology is the key to security system of e-business. Attestation technology includes attest right authorization institute, SET model, digit certificate, etc.
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