Encryption using a public-private key is slow and is directly proportional to the size of the data being encrypted.

使用公司密钥加密很慢，而且直接与加密的数据大小成正比。

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In this new scheme, the size of public key only lay on the number of members in the group, and would not increase infinitely along with the increase of number of members which were revoked.

新方案中群公钥的大小仅取决于群中成员的个数，不会随着撤销成员的增加而无限增大。

youdao

In this new scheme, the size of public key only lay on the number of members in the group, and would not increase infinitely along with the increase of number of members which were revoked.

新方案中群公钥的大小仅取决于群中成员的个数，不会随着撤销成员的增加而无限增大。

youdao