| 摘要 |
A communication apparatus includes: a first storage unit configured to store a plurality of addresses of a plurality of first communication apparatuses; an acquiring unit configured to acquire a self-public key; a specifying unit configured to specify an address of at least one of the plurality of first communication apparatuses stored in the first storage unit when the self-public key is acquired; and a first public key sending unit configured to send the self-public key to the address of the at least one of the plurality of first communication apparatuses specified by the specifying unit.
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