Methods, systems, and devices are provided for securely updating private keys, key pairs, passwords, and other confidential information in a distributed environment. A transaction is created including appropriate encrypted soft-token content, and then transmitted to a new location. Comparisons are made...http://www.google.com.tw/patents/US6738907?utm_source=gb-gplus-share專利 US6738907 - Maintaining a soft-token private key store in a distributed environment
