Based on the idea of signcryption, an ID-based designated recipient group signcryption scheme without trusted PKG (private key generator) was proposed by improving an ID-based group signature scheme.是什么意思_Based on the idea of signcryption, an ID-based designated recipient group signcryption scheme without trusted PKG (private key generator) was proposed by improving an ID-based group signature scheme.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句