Question
The following is an X.509 certificate. Certificate: Data: Version: 3 (0x2) Serial Number: 3d:0e:98:b2:bf:af:fa:9e:99:91:05:64:69:6e:11:2a Signature Algorithm: sha256WithRSAEncryption Issuer: C=US, O=Symantec Corporation, OU=Symantec Trust Network, CN=Symantec
The following is an X.509 certificate.
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
3d:0e:98:b2:bf:af:fa:9e:99:91:05:64:69:6e:11:2a
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Symantec Corporation,
OU=Symantec Trust Network,
CN=Symantec Class 3 EV SSL CA - G3 Validity
Not Before: Aug 14 00:00:00 2017 GMT
Not After : Sep 13 23:59:59 2018 GMT
Subject: ... C=US/postalCode=22230, ST=Virginia, L=Arlington/street=4201 Wilson Blvd,
O=National Science Foundation, OU=DIS,
CN=www.nsf.gov
Subject Public Key Info: Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:ca:fb:26:78:06:25:b1:9e:67:1d:69:0b:10:06:
cf:25:b6:7d:de:8e:56:80:e1:1c:38:52:62:43:fd:
...
Exponent: 65537 (0x10001)
Signature Algorithm: sha256WithRSAEncryption
4b:0d:62:11:b4:dc:78:09:12:c1:1b:24:ff:98:43:58:1c:54:
0a:34:be:8f:3f:12:8f:17:4a:fe:5b:26:13:1a:5f:a7:87:ad:
...
ba:2c:10:c7:bc:8b:2c:15:6e:0c:d2:d0:8b:74:52:c8:ed:05:
0b:9b:62:41
a) Who issues the certificate? Who is the owner of the certificate? Who generated the signature on this certificate, and how can this signature be verified?
Before issuing the certificate, the CA needs to do a verification regarding the subject field. Please describe what this verification is, and why it is necessary
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