Password-based cryptography Password-based cryptography Password-based cryptography generally refers to two distinct classes of methods: Some systems attempt to derive a cryptographic key directly from a password. However, such practice is generally ill-advised when there is a threat of brute-force attack. Techniques to mitigate such attack include passphrases and iterated (deliberately slow) password-based key derivation functions such as PBKDF2 (RFC 2898). Password-authenticated key agreement systems allow two or more parties that agree on a password (or password-related data) to derive shared keys without exposing the password or keys to network attack. Earlier generations of challenge-response authentication systems have also been used with passwords,
Need for Speed: Most Wanted (2012 video game) shown by EA during a confidential presentation. However, the developer and what direction the racing series takes in 2012 was not revealed. On 23 January 2012, Criterion's creative director, Craig Sullivan, said on Twitter that the Guildford-based studio has "lots to share over the coming months". Sullivan didn't provide any further details, except to say the upcoming announcement/s are "going to be BIG". On 8 April 2012, South African-based online retailer BTGames listed "Dead Space 3" and "Need for Speed: Most Wanted 2" for pre-order. On 7 May 2012, EA confirmed that new entries in both the "Dead Space" and