| 摘要 |
A method of certifying by a certification authority that two or more first digitally signed certificates or identities are held by the same authorised signatory, the method comprising the steps of determining that said two or more identities or digitally signed certificates refer to the same authorised signatory, creating a digital verification certificate including data relating to said two or more identities or first digitally signed certificates and data representative of evidence or facts used to determine that said two or more identities or digitally signed certificates relate to the same authorised signatory, applying a digital signature of the certification authority to said verification certificate, and linking or otherwise associating said verification certificate to said two or more identities or first digitally signed certificates. Thus, the certification authority is arranged to provide an interim digital certificate linking two digital certificates listing two different subject identities but relating to the same authorised digital signatory. Also described is a data structure of such a verification certificate.
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