Patent ID: 9106406
Filing Date: 2015-08-11
Classification: H04L

Abstract:
1. A communication apparatus comprising: a first interface configured to receive a message from an application; a second interface configured to exchange a cryptographic key; first key storage configured to store therein a first cryptographic key that is exchanged by using the second interface; second key storage configured to store therein a second cryptographic key that is exchanged by using the second interface; a first access controller configured to control accessing to the first cryptographic key; a second access controller configured to control accessing to the second cryptographic key; an analyzing unit configured to analyze whether the message received from the first interface includes a first access request for the first cryptographic key or the second cryptographic key; and a generating unit configured to, when the message includes the first access request, generate a second access request used to request an access to the first cryptographic key or the second cryptographic key requested by the first access request, the second access request having a format different from a format of the first access request, wherein the first access controller controls the accessing to the first cryptographic key when the generated second access request indicates an access request for the first cryptographic key, and transmits the second access request to the second access controller when the generated second access request indicates an access request for the second cryptographic key, and the second access controller controls the access to the second cryptographic key based on the second access request received from the first access controller.