ftp.sjtu.edu.cn

Issued by WoSign CA Free SSL Certificate G2

About this certificate


This digital certificate with serial number 27:c9:d2:6c:30:52:af:75:35:cc:71:4a:ca:b3:1f:6f was issued on by WoSign CA Limited .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Cerificate errors/warnings *beta

  • ERROR: KeyUsage extension SHOULD be marked as critical when present
  • ERROR: Certificate has key usage [KeyAgreement] set

ftp.sjtu.edu.cn

WoSign CA Limited

Organization: WoSign CA Limited

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 27:c9:d2:6c:30:52:af:75:35:cc:71:4a:ca:b3:1f:6f
Serial Number (int): 52887811381790778752833713786970120047
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 8c:9a:6c:b0:a6:de:99:fa:cd:30:87:66:e7:8f:74:09:23:3d:f6:4d
AuthorityKeyId: d2:a7:16:20:7c:af:d9:95:9e:eb:43:0a:19:f2:e0:b9:74:0e:a8:c7

Fingerprint (sha1): 3c:67:58:55:5a:9f:c7:4b:3d:de:39:03:e5:0d:0e:ce:5b:cb:a4:63
Fingerprint (sha256): d8:36:19:1b:1a:b6:fa:1f:8d:0f:a5:cc:88:17:4c:6c:a5:1a:1f:ad:08:1a:c4:b7:b2:b7:d3:87:04:8c:a0:5b

Issuing Certificate URL: http://aia6.wosign.com/ca6.server1.free.cer

Revocation information

OCSP Server: http://ocsp6.wosign.com/ca6/server1/free
CRL Distribution Point: http://crls6.wosign.com/ca6-server1-free.crl

Check the revocation status for the current certificate on ftp.sjtu.edu.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

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment
Key Agreement

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: ftp.sjtu.edu.cn

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE4zCCA8ugAwIBAgIQJ8nSbDBSr3U1zHFKyrMfbzANBgkqhkiG9w0BAQsFADBV MQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxKjAoBgNV BAMTIVdvU2lnbiBDQSBGcmVlIFNTTCBDZXJ0aWZpY2F0ZSBHMjAeFw0xNTAzMDQw MTQyMDlaFw0xNzAzMDQwMTQyMDlaMFkxPTA7BgNVBA0MNEZyZWUgU1NMIENlcnQg YXBwbHkgVVJMOiBodHRwczovL2J1eS53b3NpZ24uY29tL2ZyZWUxGDAWBgNVBAMM D2Z0cC5zanR1LmVkdS5jbjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AMzEmonPkvvPtRoRio/HNkGGoQfRVg6e9LIF2c1elu0oEPdofSQrgnkoPEr5ZHSg TKvXqHmtvQnunNc2XyMCVY6yke7LXLyLSi+7ii8mItlKpk+4NFISaWHrvPm8ZdeW hO4LT4ErQ0othzJyYzctLKKQzxU5Bsorkb1XtZX7a7MSPnuwKVzwYomNzAOi9Esi jISwdnteeW3arCyl76pCYOFnagjTkRZo+8ymk6ktrVajq3Vb2p/Ayv93nm22nKKR W7BI4BPu5pw4dwFxHSO+UyRvXdKB3TcO37b0mwg+h8jS933Ytr42W8T6oohAvupK btekadJUbUBDHElVbq8A1JECAwEAAaOCAakwggGlMAsGA1UdDwQEAwIDqDAdBgNV HSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwEwCQYDVR0TBAIwADAdBgNVHQ4EFgQU jJpssKbemfrNMIdm5490CSM99k0wHwYDVR0jBBgwFoAU0qcWIHyv2ZWe60MKGfLg uXQOqMcwfQYIKwYBBQUHAQEEcTBvMDQGCCsGAQUFBzABhihodHRwOi8vb2NzcDYu d29zaWduLmNvbS9jYTYvc2VydmVyMS9mcmVlMDcGCCsGAQUFBzAChitodHRwOi8v YWlhNi53b3NpZ24uY29tL2NhNi5zZXJ2ZXIxLmZyZWUuY2VyMD0GA1UdHwQ2MDQw MqAwoC6GLGh0dHA6Ly9jcmxzNi53b3NpZ24uY29tL2NhNi1zZXJ2ZXIxLWZyZWUu Y3JsMBoGA1UdEQQTMBGCD2Z0cC5zanR1LmVkdS5jbjBSBgNVHSAESzBJMAgGBmeB DAECATA9Bg4rBgEEAYKbUQYBAgIBAjArMCkGCCsGAQUFBwIBFh1odHRwOi8vd3d3 Lndvc2lnbi5jb20vcG9saWN5LzANBgkqhkiG9w0BAQsFAAOCAQEAcBMFoaQkbin/ T5Aa7GBjgGnmlGaZDSufmdqCZ2PHSK/QHAbDCHpclx3ZVy4zokO74rA4rLs4BeJ9 QCARlSTXI1Wm+cCerUHcn6RVIaW26fw7/8LxPVU2yjfnZj7VOXM07tQSf285bGql 2sjGUniTFZ/se1wB4FmoY5h87vkEo1tI6fP76um9eFTtJFJeKyZXMocL11YUY2Jq m4NfwgxeuG9qGSG/OqM+VtA2S1K0ypXvyltxsAk3FNAeYbuiWP+/FC5LAeefu2XB 3lgyEnMB9pO6U/6WjTeR73c8uIq6WuZ5eEyIRjv90/oj987XnKKZbKefHWYxvLI0 U7Mjo+ZS3A== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzMSaic+S+8+1GhGKj8c2 QYahB9FWDp70sgXZzV6W7SgQ92h9JCuCeSg8SvlkdKBMq9eoea29Ce6c1zZfIwJV jrKR7stcvItKL7uKLyYi2UqmT7g0UhJpYeu8+bxl15aE7gtPgStDSi2HMnJjNy0s opDPFTkGyiuRvVe1lftrsxI+e7ApXPBiiY3MA6L0SyKMhLB2e155bdqsLKXvqkJg 4WdqCNORFmj7zKaTqS2tVqOrdVvan8DK/3eebbacopFbsEjgE+7mnDh3AXEdI75T JG9d0oHdNw7ftvSbCD6HyNL3fdi2vjZbxPqiiEC+6kpu16Rp0lRtQEMcSVVurwDU kQIDAQAB -----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 52887811381790778752833713786970120047 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [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 CA Free SSL Certificate G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-03-04 01:42:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-04 01:42:09 +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 2.5.4.13 (description) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Free SSL Cert apply URL: https://buy.wosign.com/free' . . . . . . . . . . . . [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 'ftp.sjtu.edu.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 25849563093782715895502309975620020634819973042863055369748342362763286535053057588620780379109419420189792041973674208228911305074880146425942909722059791865657463305967515824017394180922577850909907222359340676706438929422290101076126792874758469879565815803139948954884454789313173045201794657897718548439746515449632664106144110659369975150092384158768621248236023849475813731483213613870189706609562316887777994274836461674840428275065094969276869038461898267675029210488501277894541697078652826356284106928975472195824758082746798068493769490809489413165696338372374993217040005634299501361099803188203790324881 . . . . . . . . . . . . . . . . . . . . [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 (5 bits) 03a8 . . . . . . . . . . . . . . . . [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) 8c9a6cb0a6de99facd308766e78f7409233df64d . . . . . . . . . . . . . . . . [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 d2a716207cafd9959eeb430a19f2e0b9740ea8c7 . . . . . . . . . . . . . . . . [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 (113 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://ocsp6.wosign.com/ca6/server1/free' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://aia6.wosign.com/ca6.server1.free.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 (54 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://crls6.wosign.com/ca6-server1-free.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 (19 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.sjtu.edu.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 (75 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 1.3.6.1.4.1.36305.6.1.2.2.1.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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