www.ezwriting.com.tw

Issued by TWCA Secure SSL Certification Authority

About this certificate


This digital certificate with serial number 47:df:00:00:00:00:2c:d2:4d:d0:70:86:41:04:90:73 was issued on by TAIWAN-CA .

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.

Computer Skills Foundation

Organization: Computer Skills Foundation
Organization unit: MIS
State / Province: TAIWAN
Locality: TAIPEI
Country: TW

TAIWAN-CA

Organization: TAIWAN-CA
Organization unit: Secure SSL Sub-CA
State / Province: TAIWAN
Locality: TAIPEI
Country: TW

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Certificate Details

Serial Number (hex): 47:df:00:00:00:00:2c:d2:4d:d0:70:86:41:04:90:73
Serial Number (int): 95533069900182505200881208962710802547
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 74:ce:6a:e8:86:cb:71:c9:0a:31:41:e7:72:4d:41:45:73:a5:fc:71:63:95:a0:76:aa:9d:45:7b:0d:a3:a1:1f
AuthorityKeyId: f8:07:c2:68:24:ff:85:95:cb:db:1e:e3:33:9c:2a:4f:97:20:56:7b

Fingerprint (sha1): d2:37:e5:30:de:73:7e:a7:4e:35:f5:da:75:08:ef:d1:1a:c6:07:b2
Fingerprint (sha256): 0f:ae:41:75:b8:c0:f4:10:1a:7e:e9:7d:f7:6c:23:21:1f:13:de:2d:fd:62:65:29:98:ae:48:88:fd:32:bd:5c

Issuing Certificate URL: http://sslserver.twca.com.tw/cacert/secure_sha2_2014.crt

Revocation information

OCSP Server: http://twcasslocsp.twca.com.tw/
CRL Distribution Point: http://sslserver.twca.com.tw/sslserver/Securessl_revoke_sha2_2014.crl

Check the revocation status for the current certificate on www.ezwriting.com.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

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client 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: www.ezwriting.com.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFPTCCBCWgAwIBAgIQR98AAAAALNJN0HCGQQSQczANBgkqhkiG9w0BAQsFADBv MQswCQYDVQQGEwJUVzESMBAGA1UEChMJVEFJV0FOLUNBMRowGAYDVQQLExFTZWN1 cmUgU1NMIFN1Yi1DQTEwMC4GA1UEAxMnVFdDQSBTZWN1cmUgU1NMIENlcnRpZmlj YXRpb24gQXV0aG9yaXR5MB4XDTE1MTIyMzAxMzY1MVoXDTE3MTIyMzE1NTk1OVow gYExCzAJBgNVBAYTAlRXMQ8wDQYDVQQIEwZUQUlXQU4xDzANBgNVBAcTBlRBSVBF STEjMCEGA1UEChMaQ29tcHV0ZXIgU2tpbGxzIEZvdW5kYXRpb24xDDAKBgNVBAsT A01JUzEdMBsGA1UEAxMUd3d3LmV6d3JpdGluZy5jb20udHcwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDkrebvYtCYAxfGBPP1rAWZAr0xSeGuOM+mMiau JDtiLpwtxuQMljp95r4NtWqqAOG9rrTXoLMYlk9Td6O+o4UYzHd/xNwNmsB29iaC CF0KeCIz8AAD8Jwn+l70wKHAdFZavke96LbSo42uDmcbt1KAORCKxjUD+UPKNkFI JbCMN/nrRgkA6zJlXQkuSvVus3N3h9pJC9ML98oQ87QKG5z2gtNTfsMZlmUwaft2 rlnNdNrz1I+Qt9ITUx+cr1D+nlmou0/18owI3AZSE6Kc5suiFsHFvfqRCIl4lL3V hY2usNluHMHg0awxaF66DG63JdlT7EU2l+BRIQAdbV4k53wXAgMBAAGjggHAMIIB vDAfBgNVHSMEGDAWgBT4B8JoJP+FlcvbHuMznCpPlyBWezApBgNVHQ4EIgQgdM5q 6IbLcckKMUHnck1BRXOl/HFjlaB2qp1Few2joR8wVgYDVR0fBE8wTTBLoEmgR4ZF aHR0cDovL3NzbHNlcnZlci50d2NhLmNvbS50dy9zc2xzZXJ2ZXIvU2VjdXJlc3Ns X3Jldm9rZV9zaGEyXzIwMTQuY3JsMB8GA1UdEQQYMBaCFHd3dy5lendyaXRpbmcu Y29tLnR3MIGBBggrBgEFBQcBAQR1MHMwRAYIKwYBBQUHMAKGOGh0dHA6Ly9zc2xz ZXJ2ZXIudHdjYS5jb20udHcvY2FjZXJ0L3NlY3VyZV9zaGEyXzIwMTQuY3J0MCsG CCsGAQUFBzABhh9odHRwOi8vdHdjYXNzbG9jc3AudHdjYS5jb20udHcvMDcGA1Ud IAQwMC4wLAYLKwYBBAGCvyUBARkwHTAbBggrBgEFBQcCARYPd3d3LnR3Y2EuY29t LnR3MAkGA1UdEwQCMAAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjANBgkqhkiG9w0BAQsFAAOCAQEAE1NkxNZJaIeu8Ie/Vu2i 4WnMOLSVUUtEcLfmFjlL7bvUaAL0UHMohb1tvS4fzBDCKBXETsKlrjCbOoS2krh+ JAMB2RMAyL+H2i6eSSH8KJaVMsa7Dge5pvAz8Cem2G4IpRBCDuQa4K3zlENyBznk /GmNxUp3H21vsjMxhzCEUfnoN/w2PKEjlx7y054q+inui5e0ISO8o2PanHARmniH 0GwZ4QHRbbzFXyMy/PkMAoiqCp9BQ2ZSRpoNphiFavPFkPY8P3OiRJ1RB26b6/rY lkqYnycfYpOZd67RX0AL3/+NGKAtS3hQZOUo2ha87iwnAQkhwCY5TiRxk/YCsTnc Sg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5K3m72LQmAMXxgTz9awF mQK9MUnhrjjPpjImriQ7Yi6cLcbkDJY6fea+DbVqqgDhva6016CzGJZPU3ejvqOF GMx3f8TcDZrAdvYmgghdCngiM/AAA/CcJ/pe9MChwHRWWr5Hvei20qONrg5nG7dS gDkQisY1A/lDyjZBSCWwjDf560YJAOsyZV0JLkr1brNzd4faSQvTC/fKEPO0Chuc 9oLTU37DGZZlMGn7dq5ZzXTa89SPkLfSE1MfnK9Q/p5ZqLtP9fKMCNwGUhOinObL ohbBxb36kQiJeJS91YWNrrDZbhzB4NGsMWheugxutyXZU+xFNpfgUSEAHW1eJOd8 FwIDAQAB -----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 95533069900182505200881208962710802547 . . . . . . . . [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 'TW' . . . . . . . . . . . . [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 'TAIWAN-CA' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Secure SSL Sub-CA' . . . . . . . . . . . . [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 'TWCA Secure SSL Certification Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-23 01:36:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-23 15:59:59 +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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TW' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TAIWAN' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TAIPEI' . . . . . . . . . . . . [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 'Computer Skills Foundation' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'MIS' . . . . . . . . . . . . [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 'www.ezwriting.com.tw' . . . . . . . . [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 28868087849066067796258949189199442368659356133193079778491594408892044751571999856835678300363770603453575827101572885991422842919491083052264876497642486166309823751853282143189232994097641927308483511047456341145433224800870052408980982092784698501564130584331669563668031950755386261991312337675705601808053700933941774935588069395118189734127009781501498867819905422114764125550824454163262048028003437008879048217638869479082916091779426854801455882974730286170908363310891304206698404032923364233078058077791830126364185063909892442269226275729036325340855483607716140602290404369516868961871705878008863095831 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName f807c26824ff8595cbdb1ee3339c2a4f9720567b . . . . . . . . . . . . . . . . [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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (32 bytes) 74ce6ae886cb71c90a3141e7724d414573a5fc716395a076aa9d457b0da3a11f . . . . . . . . . . . . . . . . [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 (79 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://sslserver.twca.com.tw/sslserver/Securessl_revoke_sha2_2014.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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ezwriting.com.tw' . . . . . . . . . . . . . . . . [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 (117 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://sslserver.twca.com.tw/cacert/secure_sha2_2014.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://twcasslocsp.twca.com.tw/' . . . . . . . . . . . . . . . . [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 (48 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.40869.1.1.25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'www.twca.com.tw' . . . . . . . . . . . . . . . . [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 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . [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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