签名权授权
delegatability of signing right
授权签字的印鉴
facsimiles of authorized signatures
可收回代理签名权
recall proxy signature right
proxy signature recovation
多重群签名
digital group-multisignature
高级门限群签名
advanced group-oriented threshold signature
高效群签名
Efficient group signature
基于身份群签名
Identity-based Group Signature
局部验证者撤销短群签名
short verifier local revocation group signature
门限群签名
threshold group-signature
threshold group signature
threshold group signatures
threshold group digital signature
group-oriented threshold signature
threshold multi-signature