| 摘要 |
The invention provides computer-enabled methods and systems for the secure transmission and platform-independent receipt and decryption of encrypted messages. According to the invention messages are encrypted by a symmetric encryption algorithm using a secret key that is, or is based on, a password known to the intended recipient. The recipient is also sent a computer program which upon input of the correct password, uses the password to generate the secret key, or alternatively, uses the password as the secret key. The program then uses the secret key to decrypt the encrypted message. The invention further provides for ensuring the integrity and authenticity of sent and received messages. The communications medium over which messages are sent according to the invention may be a communications network such as the Internet and the messages may be electronic mail messages and MIME messages. The invention also provides for the secure delivery of statement and transaction information pertaining to an account. |
