How to sign and encrypt emails using PGP ? You can sign, encrypt and decrypt your private email and send a signed and encrypted email to a sender using PGP. Both the sender and the recipient of the email should create their own key-pair and import each other’s public...
How to Encrypt and Decrypt files using PGP PGP uses public key cryptography for encryption and decryption. After installation of PGP, you would first need to generate a PGP public-private keypair. If you want to send an encrypted document to someone, you would need to...
We use encryption to keep our sensitive data safe and secure. We take a plaintext message and encrypt it using a strong encryption key to generate the ciphertext. The purpose is that an adversary should not be able to retrieve the secret plaintext message from the...
PGP is a widely known software program using which one can sign, encrypt, and decrypt documents, texts, or emails. It can even be used to encrypt a whole disk. But, we often see the terms PGP, OpenPGP, and GnuPG. Are they the same, or are they different? What is the...
SMTP, or Simple Mail Transfer Protocol, was first developed in 1982. At that time, it had very few security features. As a result, we gradually needed to make email communications more secure. We wanted features to digitally sign, encrypt, and decrypt emails. S/MIME...
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