In turn, this key contains the âcypherâ, which dictates how the data encryption occurs. What is a cypher? A cypher is an algorithm for performing encryption and decryption â a series of steps to follow as a procedure. There are many different ways in which plaintext can be encrypted, but essentially there are two main processes used: symmetric key algorithms and asymmetric key algorithms . Algorithms . Symmetric key algorithms
The average price of a barrel of crude oil this year is $69.90. Prior to September 11th, 2001, oil cost $23 per barrel.This pricing difference has been attributed to the increasing difficulty to obtain oil from the Middle Eastern region, as well as the increasing shortage of oil supply throughout the world.he average price of a barrel of crude oil this year is $69.90. Prior to September 11th, 2001, oil cost $23 per barrel.
standard poor s s p appeared more bullish on oil prices than goldman forecasting on tuesday that brent oil would average $ 55 per barrel in 2016 up from an average of $ 50 for the remainder of this yearhis has helped catalyze an historic collapse in the price of crude oil with both brent and wti trading below $ 50 per barrel down from around $ 110 per barrel until june 2014