It to through keep common key change , realize evolving private key according to definite period with one-way function mainly, after guaranteeing that the present private key is let out, will not influence the signature before this period.
英
美
- 它主要是通過(guò)保持公鑰不變，把私鑰按照確定的時(shí)段用單向函數實(shí)現進(jìn)化，保證了當前的私鑰泄漏后，不會(huì )影響到這個(gè)時(shí)段之前的簽名。
