www.crown.com.tw

Issued by TWCA Secure CA

About this certificate


This digital certificate with serial number 65:c8:4a:74 was issued on by TAIWAN-CA INC. .

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: Certificate contains no Authority Info Access Issuers
  • ERROR: Certificate doesn't contain any subjectAltName
  • ERROR: Certificate CN is not listed in subjectAltName

Crown Publishing Company, LTD.

Organization: Crown Publishing Company, LTD.
Organization unit: MIS Division
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:c8:4a:74
Serial Number (int): 1707625076
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: b4:f4:a5:c9:28:f3:ff:6d:4d:21:3c:34:a9:0c:3b:74:81:5b:31:86
AuthorityKeyId: 0a:69:4d:3b:5c:3c:e7:1d:61:12:54:3e:cb:58:d9:58:d0:79:f9:74

Fingerprint (sha1): 5d:43:d0:c2:b1:27:6f:d5:f7:cd:c1:58:88:6f:f1:88:7f:d7:6c:48
Fingerprint (sha256): 6c:a0:2c:f6:e1:1c:a4:e9:27:3c:4b:77:b2:35:18:18:21:0b:6f:34:22:6e:3e:7a:a8:42:cc:25:47:f2:a5:d2


Revocation information

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

Check the revocation status for the current certificate on www.crown.com.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 (DNS Name).

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIElzCCA3+gAwIBAgIEZchKdDANBgkqhkiG9w0BAQUFADBsMQswCQYDVQQGEwJU VzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xKzApBgNVBAsTIlNTTCBDZXJ0aWZp Y2F0aW9uIFNlcnZpY2UgUHJvdmlkZXIxFzAVBgNVBAMTDlRXQ0EgU2VjdXJlIENB MB4XDTEyMDIxNzA5NTkzMloXDTE1MDIyNTE1NTk1OVowgY0xCzAJBgNVBAYTAlRX MQ8wDQYDVQQIEwZUYWl3YW4xDzANBgNVBAcTBlRhaXBlaTEpMCcGA1UEChMgQ3Jv d24gIFB1Ymxpc2hpbmcgIENvbXBhbnksIExURC4xFjAUBgNVBAsTDU1JUyAgRGl2 aXNpb24xGTAXBgNVBAMTEHd3dy5jcm93bi5jb20udHcwggEiMA0GCSqGSIb3DQEB AQUAA4IBDwAwggEKAoIBAQCzWKvPAMRu5NrzHka9yoK6KigeO4dQ9WCw7tSpG1M5 ECZbnb/ZaZv7V8P/GMDII3/nefMUhRCl9Gced/Sqfne/dRt4Wu6NETeNvDzXFnH/ 9BGfYSz85PXSQhBLIErlffbjmbeeCh7CgNIvV5Gq2Flrr0PRoBoX0rODp+q8ySVw VljPa5tS2BYxXRWeZ8opQLQa1crDcvQC5IjDtyHbewW+htW1bVj2AWTPWJDe9G8Y lRYsyF+V5f712jcrMfqf/4WY1ZlSuFpgv7cmYZnBqR8dW1ysNzV3lStOwxna2XnI rWbXofrgYPnqmWmxmWVZJ0HAqxOnezWXg9o4dUd3OMGPAgMBAAGjggEdMIIBGTAf BgNVHSMEGDAWgBQKaU07XDznHWESVD7LWNlY0Hn5dDAdBgNVHQ4EFgQUtPSlySjz /21NITw0qQw7dIFbMYYwRAYDVR0fBD0wOzA5oDegNYYzaHR0cDovL3NzbHNlcnZl ci50d2NhLmNvbS50dy9zc2xzZXJ2ZXIvcmV2b2tlMTEuY3JsMFcGA1UdIARQME4w TAYHYIEeAwEIBTBBMCIGCCsGAQUFBwICMBYaFFJlc3RyaWN0aW9uID0zLjIuMS4x MBsGCCsGAQUFBwIBFg93d3cudHdjYS5jb20udHcwCQYDVR0TBAIwADAOBgNVHQ8B Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA0GCSqGSIb3 DQEBBQUAA4IBAQA8z2ELDeNZzWvgAWohLEWX+OhxzG7qM24OO7aPFNgRf9wKZRtV t5dC7lR9uPo5fLzwyiJt4Oh2XRsH7AfkCtj494qZM2+ILqPJ89TmV/2OJxGf8ajt NX7Q3lPo75wsmw37mUd7UhaZmC3aQJH1HzgpAQcXPUNkFpQ7tWX/J5WZHlknU4o0 dAf9pS0njRa/+AnYvFUvCvyVTNjEhyMA/WU8WmXa/uSxxTKt4zLAqsgO/F+zU2as EYJui+TK+dnBQy5S6PBBLkvIwvWusXs41Jmej4UveuG2JtVxxnG8pto3cLBodTGR 0DiElsd8EkQRLigfK8cyeX7n+3bVQw0jHx6l -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs1irzwDEbuTa8x5GvcqC uiooHjuHUPVgsO7UqRtTORAmW52/2Wmb+1fD/xjAyCN/53nzFIUQpfRnHnf0qn53 v3UbeFrujRE3jbw81xZx//QRn2Es/OT10kIQSyBK5X3245m3ngoewoDSL1eRqthZ a69D0aAaF9Kzg6fqvMklcFZYz2ubUtgWMV0VnmfKKUC0GtXKw3L0AuSIw7ch23sF vobVtW1Y9gFkz1iQ3vRvGJUWLMhfleX+9do3KzH6n/+FmNWZUrhaYL+3JmGZwakf HVtcrDc1d5UrTsMZ2tl5yK1m16H64GD56plpsZllWSdBwKsTp3s1l4PaOHVHdzjB jwIDAQAB -----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 1707625076 . . . . . . . . [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 '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 INC.' . . . . . . . . . . . . [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 'SSL Certification Service Provider' . . . . . . . . . . . . [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 CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-02-17 09:59:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-02-25 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 'Crown Publishing Company, LTD.' . . . . . . . . . . . . [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 Division' . . . . . . . . . . . . [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.crown.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 22640381951494790788009937458121370020746406889474579780910644035580023222890058309741828123173824089579738873959978525180966883625497998672655707916686712702625966588646702961153959946332624296922022490002753777133879957927693297297610542086365278653606758735259679523344041074748670049991434279518017065863032699085689525796102643834640027148619008141303587073740595812347955084195498390703323893551769871059308862221629248254777003687484979812784444601010882088075496878073380965916318247272653570975978561230505476544978275789192219157993465945954570084536747303648904693630693914662349337359316198079677999923599 . . . . . . . . . . . . . . . . . . . . [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 0a694d3b5c3ce71d6112543ecb58d958d079f974 . . . . . . . . . . . . . . . . [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) b4f4a5c928f3ff6d4d213c34a90c3b74815b3186 . . . . . . . . . . . . . . . . [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 (61 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/revoke11.crl' . . . . . . . . . . . . . . . . [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 (80 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.158.3.1.8.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:26|false] VisibleString, ISO646String [82 101 115 116 114 105 99 116 105 111 110 32 61 51 46 50 46 49 46 49] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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