Published at LXer:
Security researchers are warning that old Bitcoin addresses generated in the browser or through JavaScript-based wallet apps might be affected by a cryptographic flaw that allows attackers to brute-force private keys, take control of users' wallets, and steal funds... Wallet apps using those older versions of jsbn.js are still generating crackable Bitcoin address private keys. According to Gerard, cracking such a key would generally take around a week.
Read More...
