24-03-2022 дата публикации
Номер: US20220095109A1
Принадлежит:
A method includes: receiving, by an embedded universal integrated circuit card eUICC, first information sent by a local profile assistant LPA, where the first information includes a first certificate issuer CI public key identifier, and the first CI public key identifier is a CI public key identifier that the eUICC does not have; sending, by the eUICC, second information to an OPS by using the LPA, where the second information includes the first CI public key identifier; receiving, by the eUICC, a patch package sent by the OPS by using the LPA, where the patch package includes at least a first CI public key corresponding to the first CI public key identifier; and updating, by the eUICC, a CI public key of the eUICC by using the first CI public key. 1. A method for updating a certificate issuer public key , wherein the method comprises:sending, by a local profile assistant, LPA, an embedded universal integrated circuit card, eUICC, information to a subscription manager-data preparation, SM-DP+, server, wherein the eUICC information comprises a verification certificate issuer, CI, public key identifier list of an eUICC;receiving, by the LPA, first information from the SM-DP+ server, and sending, by the LPA, the first information to the eUICC;receiving, by the eUICC, the first information sent by the LPA, wherein the first information comprises a first CI public key identifier, wherein the first CI public key identifier is a CI public key identifier that is stored on the SM-DP+ server and that does not match any CI public key identifier in the verification CI public key identifier list, the first CI public key identifier is used for bidirectional authentication between the SM-DP+ server and the eUICC;sending, by the eUICC, second information to an operating system patch server, OPS, by using the LPA, wherein the second information comprises the first CI public key identifier;receiving, by the eUICC, a patch package sent by the OPS by using the LPA, wherein the patch ...
Подробнее