authentic signature

An authentic digital signature scheme useed to sign classical digital message was presented, it does not need an arbitrator to authenticate the signature unless some disputes had happened between the issuer and verifier.

提出了一个可信量子数字签名协议。对经典数字信息进行签名，一般情况下不需要第三方参与签名和认证，除非有争议发生。

An authentic signature; a bona fide manuscript; an unquestionable antique; photographs taken in a veritable bull ring.

可信的签名；真实的手稿；毫无疑问的古董；在真实的斗牛场拍摄的相片。

this picture should be very valuable becanuse there is an(authentic)signature of the painter on it.

这张照片应该是很有价值因为有一个（真正）的画家签名。

An authentic document, signature, painting.

正式文件、亲笔签字、原作绘画。

Electronic Authentication Services is defined that provide authentic and reliable public service activities for electronic signature parters.

电子认证服务是指为电子签名相关各方提供真实性、可靠性验证的公众服务活动。