USE OF NON-INTERACTIVE IDENTITY BASED KEY AGREEMENT DERIVED SECRET KEYS WITH AUTHENTICATED ENCRYPTION

摘要

A sender private key is created from a master key. The sender private key and public information about a recipient is used to produce a secret key. Data is encrypted with the secret key. The encryption uses authentication data. The encrypted data is sent to the recipient. A recipient private key is created from the master key. The recipient private key is different from the sender private key. The recipient private key and public information about the sender is used to recreate the secret key. At the recipient, the secret key is used to decrypt the encrypted data and the authentication data is used to authenticate the data.