as you can see, this is the encryption page in GPG Chain. it is known that the private key selected in the, Your Key column can also decrypt files that are about to be encrypted. but the Sign and Add to Recipient on the right seem to have no effect...
I m curious how these QR payment systems have secured their QR codes. What kinds of security mechanisms are there in place? Decoding the QR gives a random string looking like some hash result that contains data for the payment to happen. What kind o...
take RSA as an example: 1. The server generates public and private key pairs, and the public key is sent to the client 2. The client uses the public key to encrypt the information, get the ciphertext S, and send it to the server 3. The server rece...
how reliable is the process of password authentication for user login? (do not discuss channel encryption on https) 1. The front-end plaintext passes the password to the back-end for encryption, and compares the processed ciphertext with the database t...