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Copyright © Innovative Technology Ltd 2018 Doc: NV9 Range User Manual
Version: 1.0
Page 37 of 63
6.3.3 ccTalk
®
DES Encryption
When using ccTalk
®
DES encryption, the validator and host machine must exchange
a secret key which forms the basis of the communication encryption. This exchange
is performed in a Trusted Mode maintaining security. The Trusted Mode can only be
entered by a physical access to the validator. Please refer to Appendix 11.6 for
details.
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