sslvpn.sysu.org.cn

Issued by WoSign Class 1 DV Server CA

About this certificate


This digital certificate with serial number 4d:92:84:92:e7:6d:d5:91:44:73:82:f8:6d:ca:57:f0 was issued on by WoSign CA Limited .

While the 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.

Cerificate errors/warnings *beta

  • ERROR: KeyUsage extension SHOULD be marked as critical when present

sslvpn.sysu.org.cn

WoSign CA Limited

Organization: WoSign CA Limited

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 4d:92:84:92:e7:6d:d5:91:44:73:82:f8:6d:ca:57:f0
Serial Number (int): 103111319933787834877287723198428370928
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 24:d5:a0:0e:18:74:d2:2c:1a:d2:e0:e8:41:ad:db:f7:ba:76:5a:04
AuthorityKeyId: 0c:d0:e1:be:b7:3e:17:a8:b6:e1:75:23:66:31:73:9d:7d:5d:da:f9

Fingerprint (sha1): 6b:e8:c2:aa:06:02:8b:55:92:7e:8b:65:4d:60:f4:d2:32:f2:9f:84
Fingerprint (sha256): d1:4b:5f:00:6e:0e:3a:71:eb:bf:ed:28:a2:31:6f:a5:fb:ad:31:cd:c3:2e:8b:17:68:2a:b0:46:3f:0e:d9:c3

Issuing Certificate URL: http://aia1.wosign.com/class1.server.ca1.cer

Revocation information

OCSP Server: http://ocsp1.wosign.com/class1/server/ca1
CRL Distribution Point: http://crls1.wosign.com/ca1-server-1.crl

Check the revocation status for the current certificate on sslvpn.sysu.org.cn
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

Client Authentication
Server Authentication

Extensions

9 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: sslvpn.sysu.org.cn

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEnzCCA4egAwIBAgIQTZKEkudt1ZFEc4L4bcpX8DANBgkqhkiG9w0BAQUFADBP MQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxJDAiBgNV BAMTG1dvU2lnbiBDbGFzcyAxIERWIFNlcnZlciBDQTAeFw0xNTA3MDEwODIxMTda Fw0xNjA3MDEwODIxMTdaMB0xGzAZBgNVBAMMEnNzbHZwbi5zeXN1Lm9yZy5jbjCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMHEOVOnTfQy3TR+Z2dcJE4F ikPfdYDfCTk6a6X0PMXl0BKfl7Yq/TjuHViJmN1OSXulOB8PLMQRaxS+ilvzGOgK ceCnJ9S/Z1zxU5LWYj8VM6Z9LhLGhrFrO2/9zOHBpQ0yOcmfm4l/sGedP+IdA025 c93k4WHYAAOoAbmJmgLXbXo0+o+cAoUKyiW+gf6K4c2RvIGbCs+dhnSyDQoaaIfA qrfdmYSxH8aMlymUfDlSVS44fbbqcgRwKfmGBWFbVJp0sOMrVjzAvFndYT/kiRrA dfNTd4vX0uphpGVmpZCuWz4IkdTJvMMZcwAC5Y+imixHt9eXc6vUovWo0HatUA0C AwEAAaOCAacwggGjMAsGA1UdDwQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAgYI KwYBBQUHAwEwCQYDVR0TBAIwADAdBgNVHQ4EFgQUJNWgDhh00iwa0uDoQa3b97p2 WgQwHwYDVR0jBBgwFoAUDNDhvrc+F6i24XUjZjFznX1d2vkwfwYIKwYBBQUHAQEE czBxMDUGCCsGAQUFBzABhilodHRwOi8vb2NzcDEud29zaWduLmNvbS9jbGFzczEv c2VydmVyL2NhMTA4BggrBgEFBQcwAoYsaHR0cDovL2FpYTEud29zaWduLmNvbS9j bGFzczEuc2VydmVyLmNhMS5jZXIwOQYDVR0fBDIwMDAuoCygKoYoaHR0cDovL2Ny bHMxLndvc2lnbi5jb20vY2ExLXNlcnZlci0xLmNybDAdBgNVHREEFjAUghJzc2x2 cG4uc3lzdS5vcmcuY24wTwYDVR0gBEgwRjAIBgZngQwBAgEwOgYLKwYBBAGCm1EB AQIwKzApBggrBgEFBQcCARYdaHR0cDovL3d3dy53b3NpZ24uY29tL3BvbGljeS8w DQYJKoZIhvcNAQEFBQADggEBAEdKcbiUDwEKTzjAPZgDnLfWHW0K21OcfvEXQUsX Wektf1choUhXl7YmAZcCgyIW2PtWAHWYcbyEFVsgFXmyqV0MhgB1mn85fI4bBejn Yx+JXxhr+sakjUg4gmwgWiuFMV8joTX9wwrrKOqqUith5PspeEYwl4hhIYxdwSlf vpN5K1yORZKQ4anl0SRisg+zcdKZ13xD1Emf/jBgj3ZQWSbZXVzWLmUiTqpMh9hO 5vCNKOztEk7u3BYaVD7U/ztE838VKxXbdYx2q/E43WQzVFoCHOWIRfu/PZRDuJL4 fstE6NOQVCxg8kqirYfnottFUn1brNpp2HYUQOXMMtaH1Ho= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwcQ5U6dN9DLdNH5nZ1wk TgWKQ991gN8JOTprpfQ8xeXQEp+Xtir9OO4dWImY3U5Je6U4Hw8sxBFrFL6KW/MY 6Apx4Kcn1L9nXPFTktZiPxUzpn0uEsaGsWs7b/3M4cGlDTI5yZ+biX+wZ50/4h0D Tblz3eThYdgAA6gBuYmaAtdtejT6j5wChQrKJb6B/orhzZG8gZsKz52GdLINChpo h8Cqt92ZhLEfxoyXKZR8OVJVLjh9tupyBHAp+YYFYVtUmnSw4ytWPMC8Wd1hP+SJ GsB181N3i9fS6mGkZWalkK5bPgiR1Mm8wxlzAALlj6KaLEe315dzq9Si9ajQdq1Q DQIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded

[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 103111319933787834877287723198428370928 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'CN' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'WoSign CA Limited' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'WoSign Class 1 DV Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-07-01 08:21:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-01 08:21:17 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'sslvpn.sysu.org.cn' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24460754486019728967361597523669688041475220201792136622648682723985060290057831014827254587923232200493736612012287667772674456236985364386550027469195305211541019145203770304182072095077484560135933489918898710042180779551555139262886236630111624609026910720794905903153261606714232218179860694446455809342118482034918088234678522158289404210357045394461435385621698516186975632078516606099711476771804820573548122745662760404100290332330189791729572593440584205852270004220867514832497025990673197138080919222046951814075516676143721192933747243422094276923107005413043835375760912978945146174529128930054280925197 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 24d5a00e1874d22c1ad2e0e841addbf7ba765a04 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 0cd0e1beb73e17a8b6e175236631739d7d5ddaf9 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (115 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp1.wosign.com/class1/server/ca1' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://aia1.wosign.com/class1.server.ca1.cer' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls1.wosign.com/ca1-server-1.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sslvpn.sysu.org.cn' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (72 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.36305.1.1.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://www.wosign.com/policy/' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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