签名公钥有数字签名(非常类似于人工签名)来表明签署者对公钥的担保。
A signed public key has a digital signature (quite analogous to a human signature) that states that the signer vouches for the public key.
本文采用多重数字签名技术来对电子文件进行签署，以适应多个不同部门对同一份文件进行签名的情况。
The paper adopts digital multi- signatures technology to sign the document in OA system when the one document needs some signatures from different departments .
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