| 摘要 |
AN EXISTING COMMUNICATIONS DEVICE, SUCH AS A WAP-ENABLED MOBILE PHONE (10) OR OTHER DEVICE, CAN BE USED AS AN AUTHENTICATION TOKEN. THIS HAS THE ADVANTAGE THAT WAP-ENABLED DEVICES INCLUDE COMPONENTS WHICH ARE USED IN PUBLIC KEY/PRIVATE KEY CRYPTOGRAPHIC SYSTEMS AS A PART OF THEIR STANDARD COMMUNICATION FUNCTIONS. THESE COMPONENTS THEREFORE ADVANTAGEOUSLY ALLOW THE DEVICE (10) TO BE USED AS AN AUTHENTICATION TOKEN WHEN COMMUNICATING WITH A REMOTE SERVER (52). (FIG. 1)
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