Usuda的音标

The concept of proxy signature introduced by Mambo, Usuda, and Okamoto in 1996 allows a designated person, called a proxy signer, to sign on behalf of an original signer.

代理签章概念是指由一个指定的人所谓代理签章者代表原签章者去执行签署行为，由Mambo，Usuda等人在1996年提出。

Mambo, Usuda, and Okamoto first introduced the concept of proxy signature in 1996 [ 2].

代理数字签名方案是由Mambo、Usudu和Okamoto在文献[2]中首次提出的。

In 1996, Mambo, Usuda and Okamoto firstly proposed the concept of proxy signature.

1996年，Mambo、Usuda和Okamoto首先明确提出并系统阐述了代理签名的概念。