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Title:

Certificate Authority

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Certificate Authority ????????????????. ????????????????? ... Digital Signature = ????????????????????? ??????????????????? ????? CA ????????????????????? ... – PowerPoint PPT presentation

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Tags: authority | certificate | signature

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Title: Certificate Authority

1
?????????????????????????????? 5????????????????
??????????????????????????? ??.?????? ????????
???????? ?????????

?????????????????????
Certificate Authority ????????????????
???????????????????????????????????????????

2
?????????????????????????????????????????????????
???????????
3
???????????

CA Certificate Authority ???????????????????????
???????? ?????????????????????????????????????????
??????????????????????????????????????????????????
???????
PKI Public Key Infrastructure
??????????????????????????????????????????????????
???????????????? Public Key ?????????????????????
????????????????????????????? CA
?????????????????????????????????????????????
(Private Key) ???????????????????
??????????????????????
Digital Signature ?????????????????????
??????????????????? ????? CA ?????????????????????

4
Certificate Authority ????????????????

?????????????????????????????????????? CA
????????? ???????????????? CA ??????????????
?????????????????????????? (witness)
??????????????????????????????????????????????????
??????????? ???????????????????????????
???????????? ?????????????????? CA ???????
??????????????????????????????????????????
??????????????????????????????????????????????????
?? ??????????????????????
????????? CA ???????????? ?????? ???? ??????
????????????????????????????????????????

5
???????????????????????????????

??????????????????????????????????????????????????
??????????????????????????????????????????????????
???????????????????????????? ?????????????????????
??
??????????????????????????????????????????????????
??????
??????????????????????????????????????d???????????
??????????????????????? ??????????????????????????
?????????????????????????? ???????????????????????
?????????????????????????????
????????????????????????????????????????
?????????????????????? ?????????
?????????????????????????????????????????????

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