Created on January 28, 2022
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Décryptons la crypto
JPO - IUT du Limousin
Jeremy DRON & Alexandre Bourdarie
1. Qu'est ce que la cryptologie?
2. La cryptologie et la sécurité informatique
3. La cryptologie: entre réalité et fiction
Qu'est ce que la cryptologie?
Pourquoi la cryptologie
Chiffrement de Cesa
Brut force attack
Test all possibilies and compare the output
Find recurring patterns and make a dictionary attack with words with a size of a multiple of the space between patterns
cryptology in everyday life
The authority of our
- Technology is at the service of the citizen
How it works ?
- Integrity -> Hash fonction
Encryption / Decryption
Each person with an email address has a pair of keys associated with that address
the field of health
The limits of cryptography in terms of its capacity
to preserve privacy raises questions
Secret messages in the world
XVIIIth century - Shugborought
Still life painting
1921 - C. BARREAU
Where is the secret message ?
The message is for his mistress Miss Martha
Sculture in front of the CIA
1990 - Krytos
Cryptology in the 7th art
A mystery murder at the Louvre museum. The professor Langdon is called for a stange message on the floor.
A. Turing a famous mathematician is called by UK authorities for help them to break enigma.
The Imitation Game
The Dr. Jhon Nash works to us secret services for decipher the messages from URSS in the newspapers
- Is a really science with two sub-domains
- It's use everyday
- It is a field that fascinates the general public