Based on the zero-knowledge proof protocol a new forward-secure digital signature scheme is proposed.

提出了一种基于零知识证明协议的前向安全数字签名的新方案。

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Secure Digital memory card. A flash based memory card designed to provide secure high capacity data storage.

安全电子存储卡。一种基于为提供安全的大容量数据存储功能而设计的闪存。

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USB thumb drives, Secure Digital Card (SD) memories and other flash memories are rapidly increasing in popularity and capacity.

US B拇指驱动器，安全数码卡(SD)记忆和其他快闪记忆体正在迅速增加人气和能力。

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The tiny Secure Digital memory card is beginning to loom large on the consumer electronics landscape.

FORBES: Magazine Article

The Secure Digital (SD) memory card will hold up to two hours of video on 64 megabytes.

FORBES: Panasonic Gets Minuscule

Games will be made available on Secure Digital memory cards, and the Zodiac will have two SD slots.

FORBES: Magazine Article