| 摘要 |
<p>A scanner (250), terminal (205) and method are provided for reading an optical code (171) where a portion of the information stored in the optical code (171) is encrypted. In accordance with an aspect of the invention, a public cryptographic key associated with the optical code (171) is used to decrypt the encrypted portion of the information and data from the decrypted portion is used to authenticate the remainder of the information.</p> |
