【摘要】 对Ji和Li的基于椭圆曲线离散对数问题的代理多签名体制提出了两个伪造攻击。利用这两个伪造攻击,任何一个原始签名人都能伪造出一个有效的代理多重数字签名。并对Ji和Li的代理多签名体制进行了改进,提出了新的安全的基于椭圆曲线离散对数问题的代理多签名体制。更多还原

【Abstract】 Two forgery attacks presented on a proxy multi-signature scheme based on elliptic curves discrete logarithm problem proposed by Ji and Li. Using these forgery attacks, anyone of original signers can produce a valid proxy multi-signature. Furthermore, a new modified and secure proxy multi-signature scheme based on elliptic curves discrete logarithm problem were proposed.更多还原