webmail.ntsu.edu.tw

Issued by TWCA Secure CA

About this certificate


This digital certificate with serial number 40:01:33:05:51:00:00:00:00:65:c8:63:1e:be:64:ff 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

  • ERROR: Certificate contains no Authority Info Access Issuers

NTSU

Organization: NTSU
Organization unit: NTSU
State / Province: Taiwan
Locality: Taoyuan
Country: TW

TAIWAN-CA INC.

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

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 40:01:33:05:51:00:00:00:00:65:c8:63:1e:be:64:ff
Serial Number (int): 85076818851192035295543091499204764927
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: de:a5:93:58:46:71:2f:c9:bf:7a:de:1b:12:ad:b4:ca:fb:69:35:2c
AuthorityKeyId: 0a:69:4d:3b:5c:3c:e7:1d:61:12:54:3e:cb:58:d9:58:d0:79:f9:74

Fingerprint (sha1): 54:6d:53:e2:e2:44:82:d7:13:b1:f3:3a:8c:dd:a3:77:20:e9:af:ab
Fingerprint (sha256): a0:28:83:24:24:25:fd:61:86:dc:71:95:25:cb:61:d6:da:ab:27:09:76:85:15:57:16:5a:44:92:67:4a:c1:60


Revocation information

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

Check the revocation status for the current certificate on webmail.ntsu.edu.tw
1
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

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any other subject alternative names besides the common name of the subject: webmail.ntsu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEoTCCA4mgAwIBAgIQQAEzBVEAAAAAZchjHr5k/zANBgkqhkiG9w0BAQUFADBs MQswCQYDVQQGEwJUVzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xKzApBgNVBAsT IlNTTCBDZXJ0aWZpY2F0aW9uIFNlcnZpY2UgUHJvdmlkZXIxFzAVBgNVBAMTDlRX Q0EgU2VjdXJlIENBMB4XDTEyMDkxMzAzNTkyMloXDTEzMDkxNTE1NTk1OVowbDEL MAkGA1UEBhMCVFcxDzANBgNVBAgTBlRhaXdhbjEQMA4GA1UEBxMHVGFveXVhbjEN MAsGA1UEChMETlRTVTENMAsGA1UECxMETlRTVTEcMBoGA1UEAxMTd2VibWFpbC5u dHN1LmVkdS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMiqjMhx 913Qkf2whJs0kWLxlq3D6Yb7B9KhKGOjitKzAnc9G+Ih30NCRFcBtTvKMQwJ08tX JXXx3IiL/QFOF3VEzgpyFvadlEn9zWn/PQ6Rx33Cp02+PEbThe2AiWEmTBIlu/I6 wO9LxF77/e/9VdyZxC3MqmZSd5IDmIZ4gAtots/HdE6BmOcGXmwkspE+I9cBQYik MuoAxryUPi/f1EYs1otZ7YSMSzIzbjjKshz9lJYAxrS+9DLZqPrXZwZ4Smxh+VYc I4+6kHg5gInC3DSUd3A8iSxZdUJLUU7YDs3DzP5atltKoFzpOcN7AbhkXrJ0wToW IZrhqbB239drBEcCAwEAAaOCAT0wggE5MB8GA1UdIwQYMBaAFAppTTtcPOcdYRJU PstY2VjQefl0MB0GA1UdDgQWBBTepZNYRnEvyb963hsSrbTK+2k1LDBEBgNVHR8E PTA7MDmgN6A1hjNodHRwOi8vc3Nsc2VydmVyLnR3Y2EuY29tLnR3L3NzbHNlcnZl ci9yZXZva2UxMS5jcmwwHgYDVR0RBBcwFYITd2VibWFpbC5udHN1LmVkdS50dzBX BgNVHSAEUDBOMEwGB2CBHgMBCAUwQTAiBggrBgEFBQcCAjAWGhRSZXN0cmljdGlv biA9My4yLjEuMTAbBggrBgEFBQcCARYPd3d3LnR3Y2EuY29tLnR3MAkGA1UdEwQC MAAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjANBgkqhkiG9w0BAQUFAAOCAQEAZAwgjA/jHzrdByCsRCW0M51CK9JI5TBM17zA CvooMSdygxPue78uVHzD5vKa9fdefJbgxjfoLG3A1lZJ2ha2WLvYboh82FSkk4iA JiibMIgYu48dVqUU90e5ov9e4p+WCAssjFWDjvoVdgbzUzizyZ4n1RM4h586CQ7e fIeFyDNfOtVZZh1DqcU2cA04NL8uz52LHEvRm/6fA1QeFHZh+zPwbuKJQL5qsM9x AaTEiokh44ka2hGGNoQ4RWSAYMZcCKec49dr237m5nq9HZe2zXhLBR3HJEsXb/hx vD5tItnlnjdyHBusCLvqK4onTnUeaMy7LDLb0sz+p5nXkBrN5w== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyKqMyHH3XdCR/bCEmzSR YvGWrcPphvsH0qEoY6OK0rMCdz0b4iHfQ0JEVwG1O8oxDAnTy1cldfHciIv9AU4X dUTOCnIW9p2USf3Naf89DpHHfcKnTb48RtOF7YCJYSZMEiW78jrA70vEXvv97/1V 3JnELcyqZlJ3kgOYhniAC2i2z8d0ToGY5wZebCSykT4j1wFBiKQy6gDGvJQ+L9/U RizWi1nthIxLMjNuOMqyHP2UlgDGtL70Mtmo+tdnBnhKbGH5Vhwjj7qQeDmAicLc NJR3cDyJLFl1QktRTtgOzcPM/lq2W0qgXOk5w3sBuGResnTBOhYhmuGpsHbf12sE RwIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded