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BLOCKCHAIN-ASSISTED HASH-BASED DATA SIGNATURE SYSTEM AND METHOD
BLOCKCHAIN-ASSISTED HASH-BASED DATA SIGNATURE SYSTEM AND METHOD
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机译:基于区块的基于哈希的数据签名系统和方法
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摘要
A set of secret, indexed keys (z1;...; zN) is generated and used in requests from a signing entity (D) to a signing server (S) for digital signature of messages (m). The signing server maintains a counter (i) as well as a hash tree (220) that aggregates requests during a round into a root value (rt) that is stored in an append-only data structure (330) in a repository (R). Each signing entity is associated with a leaf (li) of the hash tree. After a signature is formed, the counter for the requesting signing entity is incremented, whereby the secret key (zt) that was used cannot be used again.
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机译:一组秘密,索引键(z 1 sub>; ...; z n sub>),并将签名实体(d)的请求用于签名服务器( s)用于消息的数字签名(m)。签名服务器维护一个计数器(i)以及哈希树(220),它在圆形期间聚合请求的请求(R t sub>)存储在仅附加数据结构( 330)在存储库(R)中。每个签名实体与哈希树的叶子(l i sub>)相关联。在形成签名之后,用于请求签名实体的计数器递增,从而不能再次使用使用的密钥(z t sub>)。
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