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...is now considered obsolete; its small key size makes it vulnerable to a [[brute force attack]] DES uses a 56-bit key. That is simply too small to resist a [[brute force attack]], an exhaustive search in which the enemy just tries keys until he finds t

...ciple combines two objectives. The key needs to be long enough to make a [[brute force attack]] impractical and the cipher internals robust enough that ''no attack faste

...except a one-time pad can be broken with enough computational effort (by [[brute force attack]] if nothing else), but the amount of effort needed to break a cipher may b * [[brute force attack]] — try all possible keys

...except a one-time pad can be broken with enough computational effort (by [[brute force attack]] if nothing else), but the amount of effort needed to break a cipher may b * [[brute force attack]] — try all possible keys

...ld be large enough and sufficiently random that searching for the key (a [[brute force attack]]) is effectively impossible, and in any application which encrypts large v * make the '''key size large enough''' that he cannot use a [[brute force attack]], trying all possible keys

...irthday attack then roughly matches the strength of the cipher against a [[brute force attack]].

...its 56-bit [[Block_cipher#Key size | key size]] was inadequate to resist [[brute force attack]]s, given modern technology.

{{rpr|Brute force attack}} (August 13)

...velopments. For instance, the effects of [[Moore's Law]] on the speed of [[brute force attack]]s must be taken into account when specifying [[cryptographic key#key lengt Hardware can also be used to facilitate attacks on ciphers. [[Brute force attack]]s on [[cipher]]s work very well on parallel hardware; in effect you can ma

...1999. One source suggests the 1996 encoding scheme was susceptible to a [[brute force attack]] because export regulations of the [[United States of America]] discourage

...key makes any cipher inherently weak see [[Brute_force#Choosing_key_sizes|brute force attack]]. For discussion of debate about those laws see [[politics of cryptography