Patent ID: 11930125
Assignee: ENTRUST CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The computer-implemented method of claim 2, further comprising:
generating, at each of a plurality of third root certificate authorities, a third root certificate, the third root certificate including:
an identity of the third root certificate authority;
a third key identifier associated with a third key associated with the third root certificate authority and an identity of a third digital signature algorithm used by the respective third root certificate authorities;
a first extension including the first key identifier of the third key associated with the first root certificate authority and the identity of the first digital signature algorithm used by the first root certificate authority;
a second extension including the second key identifier of the second key associated with the second root certificate authority and the identity of the second digital signature algorithm used by the second root certificate authority; and
one or more third extensions corresponding to others of the third root certificate authorities.