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カテゴリー全て - integrity - encryption - confidentiality

によって CAITLYN KNIGHTS 2年前.

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Cryptography

Cryptography involves the practice of securing information by converting it into an unreadable format, known as ciphertext, which can only be transformed back into readable text, or plaintext, with the use of a key.

Oyinyioza Edi-lawani STAR Report

oyinyioza edilawaniにより

Group 4 Project Medicine and the Law

Sarah Maybinにより

CASP CAS-002

Richard Falconにより

CASP CAS-002

Richard Falconにより

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

Cryptography

Cryptography involves the practice of securing information by converting it into an unreadable format, known as ciphertext, which can only be transformed back into readable text, or plaintext, with the use of a key.

Oyinyioza Edi-lawani STAR Report

Group 4 Project Medicine and the Law

CASP CAS-002

CASP CAS-002

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

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Mindomo

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