SYSTEM AND METHOD OF TRANSFERRING SHORTCUT INFORMATION FROM CERTIFICATE USED FOR ENCRYPTATION OPERATIONS

摘要

FIELD: physics, computer technology. ^ SUBSTANCE: invention deals with data protection systems. Certificate-based encryptation mechanism failing to envisage the client source computer access to the whole of the certificate corresponding to the client target computer during encryptation of the e-message to be transferred to the client target computer. Instead the client source computer addresses the certificate server a request for but part of the certificate. The certificate part referred to contains encryptation information but may fail to include (completely or partly) the certificate self-checking information. The certificate server preferably carries out any check of the certificate authenticity before transfer of encryptation information to the client source computer which enables obviation of the need to specifically perform certificate authenticity check with the client source computer especially if the certificate server has been checked for trustworthiness with the client source computer. ^ EFFECT: reduction of amount of memory and processor resources used for certificate-based encryptation as well as minimisation of requirements to the width of band between certificate server and client source device. ^ 36 cl, 8 dwg