"decipher the code" is a correct and usable phrase in written English.
You can use it to refer to the act of figuring out a code or message which has been written in a complicated way. For example: "We had to decipher the code in order to discover the hidden message."
Yes, you will be able to decipher the code on the cover at the end.
Part of the trick of gaining the banks' support is to understand their language, decipher the code.
The goal is to decipher the code of all human DNA — our genetic blueprint — and then to use the information to understand how each gene contributes to health or disease.
The capture of Enigma technology by the Royal Navy from a disabled Nazi submarine in May 1941 enabled the Bletchley Park counterintelligence people finally to decipher the code that Berlin had thought uncrackable.
We know that perspective is a trick, and that a flat surface stands for a denser and more far-reaching world, but it is an illusion of which art — in drawing and painting, in still photography, and in two-dimensional films — has availed itself with unstinting intelligence, relying on our instinct to decipher the code.
A team employee, sitting in the center-field scoreboard, would use a portable telescope to spy on the opposing catcher's fingers, decipher the code he was using with his pitcher to call pitches, and signal the next pitch to the batter by putting up a white or dark card in an opening in the scoreboard where the hitters knew to look.
There is a lesson for all of us from the following tale: no matter who is footing the bill, hospital charges should be carefully vetted by someone who, with the Internet and perhaps professional help, can decipher the codes and uncover unreasonable and erroneous charges.
A businessman in Finland claims to have deciphered the code of the mysterious Voynich Manuscript.
Mr. Lamphere was involved in deciphering the code used by the K.G.B., the Soviet intelligence apparatus, in spy communications until 1945.
BERLIN — A German computer engineer said Tuesday that he had deciphered the code used to encrypt most of the world's mobile Internet traffic and that he planned to publish a guide to prompt global operators to improve their safeguards.
That's followed-up today by a commenter, tenthings, who has deciphered the code Apple uses to reject apps.
