| 摘要 |
A transaction system which uses at least one smart card, one authorizing station and at least one transaction station, in which asymmetric cryptographic codes are used for transmission and verification of messages, and in which: a first cryptographic key is held only in said authorization station, a second cryptographic key is kept only in said authorization station and in said smart card, and a PIN, xi, which by said authorization station has been provided to said smart card and which is held only in said authorization station and in said smart card.
|
