| 摘要 |
<p>The invention concerns an electronic public key signature method comprising a secret key s compatible with a verifying public key v. It consists in: generating a new secret key s' consisting of s and partial secret key, sl, , sj, , sn, in generating a new verifying public key v' consisting of v and reserve public keys, vl, , vj, vn, the secret keys (s, sl, , sj) being compatible with the keys (v, vl, , vj) and the secret key s' being compatible with any one key (v, vl, , vj) j ranging between 1 and n, signing the message m with the secret key s'. The invention aims at generating an electronic signature resistant to coercive attempts forcing disclosure of secret keys. This is achieved by varying the signature verification criteria.</p> |
