Abstract:

Grid is a new kind of distributed computing technology, which stresses that the entities should share the resources and cooperate in the form of virtu al organization. A security mechanism that can be used in the automated negollation course of the formation of grid virtual organizations is proposed bystudying the formation of grid virtual organizations,automated negotiation and associated security techniques. This mechanism provides the security ens  urance for the course of negotiation.

Key words: （grid;virtual organizatiomautomated negotiation, digital signature）