Remove the broken references to the old keys.

将已经损坏的对以前键值的引用移除。

youdao

SELF required each node update the identity key of the node and the neighbor key between nodes and invalidate the old keys at given intervals.

SELF要求各节点每经过一个规定的时间间隔，就更新一次节点的身份密钥和节点间的邻居密钥，并将原密钥作废。

youdao

Federal prosecutors allege 26-year-old Matthew Keys provided the hacking group Anonymous with login information to access the computer system of The Tribune Co.

WSJ: Reuters editor charged with hacking: I was fired

His dismissal came the day before 26-year-old Matthew Keys was scheduled to appear in federal court for the first time on the felony charges.

WSJ: Reuters editor charged with hacking: I was fired

The attorney for 26-year-old Matthew Keys said he will plead not guilty during the arraignment in Sacramento, his first court appearance since charges were filed last month.

WSJ: Social media editor in court on hacking charges