tted.cher.ntnu.edu.tw

Issued by TWCA Secure CA

About this certificate


This digital certificate with serial number 65:c8:3b:7f was issued on by TAIWAN-CA INC..

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.

Cerificate errors/warnings *beta

  • Certificate contains no Authority Info Access Issuers
  • commonName field is deprecated
  • Certificate doesn't contain any subjectAltName

National Taiwan Normal University

Organization: National Taiwan Normal University
Organization unit: Center for Educational Research and Evaluation
State / Province: Taiwan
Locality: Taipei
Country: TW

TAIWAN-CA INC.

Organization: TAIWAN-CA INC.
Organization unit: SSL Certification Service Provider
State / Province: Taiwan
Locality: Taipei
Country: TW

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 65:c8:3b:7f
Serial Number (int): 1707621247
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: 02:ef:4c:db:b9:bc:0e:9c:25:3d:26:99:89:66:1a:62:b4:e5:21:95
AuthorityKeyId: 0a:69:4d:3b:5c:3c:e7:1d:61:12:54:3e:cb:58:d9:58:d0:79:f9:74

Fingerprint (sha1): 98:f5:62:db:39:46:ba:af:43:31:25:cd:5e:1b:50:c9:66:56:81:c1
Fingerprint (sha256): 90:f3:4c:9b:01:cf:a9:6c:ee:90:f3:b1:e1:7e:9e:c4:80:af:33:f0:2e:b3:8d:db:0c:91:87:cb:da:f6:a1:8f


Revocation information

CRL Distribution Point: http://sslserver.twca.com.tw/sslserver/revoke11.crl

Check the revocation status for the current certificate on tted.cher.ntnu.edu.tw
0
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

7 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any subject alternative names.

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEvjCCA6agAwIBAgIEZcg7fzANBgkqhkiG9w0BAQUFADBsMQswCQYDVQQGEwJU VzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xKzApBgNVBAsTIlNTTCBDZXJ0aWZp Y2F0aW9uIFNlcnZpY2UgUHJvdmlkZXIxFzAVBgNVBAMTDlRXQ0EgU2VjdXJlIENB MB4XDTExMDkzMDA5NTMxNVoXDTEzMTAwNTE1NTk1OVowgbQxCzAJBgNVBAYTAlRX MQ8wDQYDVQQIEwZUYWl3YW4xDzANBgNVBAcTBlRhaXBlaTEqMCgGA1UEChMhTmF0 aW9uYWwgVGFpd2FuIE5vcm1hbCBVbml2ZXJzaXR5MTcwNQYDVQQLEy5DZW50ZXIg Zm9yIEVkdWNhdGlvbmFsIFJlc2VhcmNoIGFuZCBFdmFsdWF0aW9uMR4wHAYDVQQD ExV0dGVkLmNoZXIubnRudS5lZHUudHcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw ggEKAoIBAQC2dOx+U3GvDbkgeeBxVCrEGXAjMyML4CefcCIi3HsTk7CZH+oOUVkw pli/4AYp1KWr6LPJldmbcOAFSjD4ucMO6qCD4G5W0mx8b1tREMc6GHG+OW8K08lK DBEEt2r0DEgFsy+JwA77BesN4hUVZyP860Ghmep8JdPIJCISdBxccySizEN0Amdl q3qA0m3JhK045Y8Tse8bDZRwtZrhkWIxztwdFLnWlGzJrTsEa65fDu5nfDehrrsi U9+9aKq+XKkcYfDJC70bd+e+OOgFcQ+64Bb9Y3qYt8Rh/OiFiX+ZYPMvu6mh1FUW UZER/m0EoluOWLCSE/5t9OlG1Z8dbScpAgMBAAGjggEdMIIBGTAfBgNVHSMEGDAW gBQKaU07XDznHWESVD7LWNlY0Hn5dDAdBgNVHQ4EFgQUAu9M27m8DpwlPSaZiWYa YrTlIZUwRAYDVR0fBD0wOzA5oDegNYYzaHR0cDovL3NzbHNlcnZlci50d2NhLmNv bS50dy9zc2xzZXJ2ZXIvcmV2b2tlMTEuY3JsMFcGA1UdIARQME4wTAYHYIEeAwEI BTBBMCIGCCsGAQUFBwICMBYaFFJlc3RyaWN0aW9uID0zLjIuMS4xMBsGCCsGAQUF BwIBFg93d3cudHdjYS5jb20udHcwCQYDVR0TBAIwADAOBgNVHQ8BAf8EBAMCBaAw HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA0GCSqGSIb3DQEBBQUAA4IB AQBF4qP9PiqOUSnkwKYMh9Fg7VvmRfaZ3FfTlDlmADZnB0YCnGiSRC5sj1bj8ALw l2mu8+MS85QN2SYhJFNvzQq1kJIpt+d4QFs1hBugNjiAFLr+uc0+GOSNyMKypJYS mtvbzxcq3p2OdfB0+L9qc6Fk5rWO48HxRikC237elhdtqEu/PwAzy87XWmqDI0NW 2M/coWptp9Z5DL4GorrKsCdu4aMwZco14quSN3n1BF/14TBQxfy9ZBBRFNrSuc3e gWc2gisbfj+U3m0qVg9MaxwvyzFTRXvqGpiXqVFSj4vtR94hzSVHddIU9QuwAlig EQByAfX/gHQHLaVlSSPbAfvt -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtnTsflNxrw25IHngcVQq xBlwIzMjC+Ann3AiItx7E5OwmR/qDlFZMKZYv+AGKdSlq+izyZXZm3DgBUow+LnD Duqgg+BuVtJsfG9bURDHOhhxvjlvCtPJSgwRBLdq9AxIBbMvicAO+wXrDeIVFWcj /OtBoZnqfCXTyCQiEnQcXHMkosxDdAJnZat6gNJtyYStOOWPE7HvGw2UcLWa4ZFi Mc7cHRS51pRsya07BGuuXw7uZ3w3oa67IlPfvWiqvlypHGHwyQu9G3fnvjjoBXEP uuAW/WN6mLfEYfzohYl/mWDzL7upodRVFlGREf5tBKJbjliwkhP+bfTpRtWfHW0n KQIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded