Learn how to use PGP (Pretty Good Privacy) to encrypt, sign, verify, and decrypt files, ensuring secure transmission and confidentiality. In this tutorial, we'll cover:
Introduction to PGP Encryption and Signing: Understand how PGP encrypts text and signs messages.
Encrypting and Signing Files: Step-by-step guide to encrypt and sign files such as images, documents, and PDFs.
Decrypting Files: Learn how recipients can decrypt files and verify signatures.
Sending Encrypted Files via Email: Tips for securely sending encrypted files via email.
Verifying File Signatures: Generate and verify file signatures for integrity and authenticity.
We'll also demonstrate:
Encrypting and signing an image, sending it via email, and verifying it on the recipient's end.
Generating a separate signature for a file and verifying it.
Key Points:
Encryption ensures only the recipient can read the file.
Signing allows verification of the sender and file integrity.
Both encrypted and signed files protect contents during transmission.
By the end of this lecture, you will understand how to use PGP to securely send files, ensuring that they remain confidential and unaltered during transmission.
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