IGCSE/ A-Level Revision Questions

Digital certificates are categorized based on their intended use. Here's a comparison of SSL/TLS, code signing, and email certificates:

SSL/TLS Certificates:

Purpose: Secure communication between a web server and a web browser. Encrypts data transmitted over the internet.

Benefits:

Ensures data confidentiality.
Authenticates the website.
Provides data integrity.
Builds user trust.

Code Signing Certificates:

Purpose: Verifies the authenticity and integrity of software code. Ensures that the code has not been tampered with and comes from a trusted source.

Benefits:

Prevents malware from being installed on a system.
Builds user trust in software.
Provides assurance that the code is genuine.

Email Certificates (S/MIME):

Purpose: Encrypts and digitally signs email messages. Ensures confidentiality, authenticity, and non-repudiation of email communication.

Benefits:

Confidentiality: Protects email content from unauthorized access.
Authenticity: Verifies the sender's identity.
Non-Repudiation: Prevents the sender from denying they sent the message.

Key Differences:

SSL/TLS is used for securing web traffic.

Code Signing is used for verifying software code.

Email Certificates are used for securing email communication.

Computer Science – 17.1 Encryption, Encryption Protocols and Digital Certificates | e-Consult

17.1 Encryption, Encryption Protocols and Digital Certificates (1 questions)