潜水病 法則 窒素

潜水病　法則　窒素　ヘンリーの法則　潜水病
ヘスの法則

万有重力

→　ル・シャトリエ　万有重力
万有重力

始原系　始原系　生成系
始原系　ル・シャトリエの法則　ル・シャトリエの法則　逆反応
活量
* ラウールの法則
* ヘンリーの法則
* フガシティー

触媒 パズルを解く OR 鍵を開ける

→　触媒　パズルを解く　OR　鍵を開ける

パスワードを解く労働。扉を開ける労働、鍵を開ける労働、パズルを解く労働。

→

In IT security, entropy refers to the degree of randomness of characters making up a password or personal identification number. It is used to determine the amount of effort needed to guess them.

パスワードを解く労働。扉を開ける労働、鍵を開ける労働、パズルを解く労働。

How strong is your password?

→　Entropy is a measure of the difficulty in determining a password or key.

http://www.gcn.com/print/24_23/36630-1.html
How strong is your password? NIST has some formulas

A password only works when nobody else knows it

Entropy is a measure of disorder within a system. It’s what happens when you drop a glass of water on the floor, and a coherent system for containing liquid becomes a random assortment of shards in a puddle.

Physicists say the universe is moving inexorably toward entropy. Scientists at the National Institute of Standards and Technology’s Computer Security Division can help you speed the process a little by adding entropy to your computer passwords.

In IT security, entropy refers to the degree of randomness of characters making up a password or personal identification number. It is used to determine the amount of effort needed to guess them.