Cryptography

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Cooperation agreement LE - FEFU

Szerző: Alexander Fedotov

ETHICAL SUPPLY MANAGEMENT

Szerző: Jennifer Alejandra Ramos

IMPLIED TERMS IN CONTRACT OF EMPLOYMENT (COMMON LAW DUTIES)

Szerző: Hafizah Azahari

Personal Ethical Framework Map

Szerző: Alexander Thompson

Cryptography

Important terms

Key space

Number of possible keys that can be created from an algorithm

Key

Whats used to turn Plaintext->Ciphertext

Description

Ciphertext->Plaintext

Encryption

Plaintext->Ciphertext

Cipher

Encryption algorithm/technique

Ciphertext

Encrypted text

Plaintext

Readable text

What is it

Needs key to convert it back to readable texts

Converts readable texts into a form which we cannot read

Encryption Cipher

Vigenenere

Uses 26*26 a-z grid

rot 13

Letter + 13 = letter

Caesar

Letter + 3= letter

Authentication

One's identity

non-repudiation

Sender did send the data

Integrity

Received data isn't tempted with or altered

Confidentiality

Can only be seen by intended people