www.ydtg.com.cn

Issued by Certum Domain Validation CA SHA2

About this certificate

This digital certificate with serial number 24:f0:d4:70:bb:95:25:f3:3e:50:d6:0e:2d:e4:2d:d0 was issued on by Unizeto Technologies S.A..

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.


We have idenified some issues with this certificate:

  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
  • Compliant certificates SHOULD NOT use the noticeRef option (RFC 5280: 4.2.1.4)
  • Compliant certificates should use the utf8string encoding for explicitText (RFC 6818: 3)

www.ydtg.com.cn

Country: CN

Unizeto Technologies S.A.

Organization: Unizeto Technologies S.A.
Organization unit: Certum Certification Authority
Country: PL

This certificate has expire since

Certificate Details

Serial Number (hex): 24:f0:d4:70:bb:95:25:f3:3e:50:d6:0e:2d:e4:2d:d0
Serial Number (int): 49102667896749511805443168455035727312
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: cc:26:dd:92:a7:41:26:d9:d1:5c:1b:4f:af:dd:b9:57:d8:f0:1a:f3
AuthorityKeyId: e5:31:ad:bf:3a:11:96:f4:83:bc:50:3c:d4:b7:90:9b:90:ee:de:25

Fingerprint (sha1): 20:7a:9d:b5:12:3f:44:4c:29:a8:a0:37:ac:ef:b0:9d:7c:74:67:cc
Fingerprint (sha256): 00:23:b5:8b:a2:8e:99:18:6a:e1:00:40:ae:97:d1:e2:e2:3f:c4:03:48:bc:33:56:10:ff:d4:6d:6b:6d:7f:0a

Issuing Certificate URL: http://repository.certum.pl/dvcasha2.cer

Revocation information

OCSP Server: http://dvcasha2.ocsp-certum.com
CRL Distribution Point: http://crl.certum.pl/dvcasha2.crl

Check the revocation status for certificate www.ydtg.com.cn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ydtg.com.cn


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

11 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ydtg.com.cn
www.ydtg.com.cn

Other certificates including the domain name ydtg.com.cn

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ydtg.com.cn in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8aoGW3RSXhTfHX8j66F8
jNt5fhhA4lVKkvvXKCryK+LzX77UYkWiVgfw7US5+86ss5UlABoyxtL0OzbQt1sC
+fMCW9MtBc1zkbyxNVPp098gJksjvIv98aT8P0Flnm65yR1D3tgKgAsER801jy8x
MroewmD4XqMzq0timzEHe1EAe1imlv7sLrVUFr9cyCM/NjXJ3Hh3zuiFatm6H8oD
ZjbnCeKmYto30JeEljSMkXfGoDYJntvYeXi1/mP2NGX6JNsTCJYeVXMvWpCortRy
RJ42RYcvOBSQkoocvyBRpx/H7fIB+I8DF5MmxecR9JSUwO9wGQcrllOfHF/sDVwa
GQIDAQAB
-----END PUBLIC KEY-----

ASN.1 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 49102667896749511805443168455035727312
 . . . . . . . . [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 'PL'
 . . . . . . . . . . . . [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 'Unizeto Technologies S.A.'
 . . . . . . . . . . . . [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 'Certum Certification Authority'
 . . . . . . . . . . . . [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 'Certum Domain Validation CA SHA2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-17 12:40:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-17 12:40:35 +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 'CN'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'www.ydtg.com.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 30507273866812028091215100925115027993861990381001860949382258511796490365644063472754037945260585519362102075161184521129987343360681593211564258858646515458341967575217564102722272710338478423659330267171156847633624944884865539864932589109534314832270161376730875214791943302707522496418596483978046225405329040590028378222835542915345370845914896623786950676270480766654264129120598376221364830504429784048658300376492585538046430186031001539231226431033405198854802030059446158297600795561964662906167679984823229052428132172913121105218313392748568570411437193969558429703387747129766726051933438160548870756889
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (43 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://crl.certum.pl/dvcasha2.crl'
 . . . . . . . . . . . . . . . . [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 (101 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://dvcasha2.ocsp-certum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://repository.certum.pl/dvcasha2.cer'
 . . . . . . . . . . . . . . . . [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 e531adbf3a1196f483bc503cd4b7909b90eede25
 . . . . . . . . . . . . . . . . [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)
							cc26dd92a74126d9d15c1b4fafddb957d8f01af3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.18 (issuerAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:1|false] IA5String ''
 . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (269 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.616.1.113527.2.5.1.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'Unizeto Technologies S.A.'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:26|false] VisibleString, ISO646String [85 115 97 103 101 32 111 102 32 116 104 105 115 32 99 101 114 116 105 102 105 99 97 116 101 32 105 115 32 115 116 114 105 99 116 108 121 32 115 117 98 106 101 99 116 101 100 32 116 111 32 116 104 101 32 67 69 82 84 85 77 32 67 101 114 116 105 102 105 99 97 116 105 111 110 32 80 114 97 99 116 105 99 101 32 83 116 97 116 101 109 101 110 116 32 40 67 80 83 41 32 105 110 99 111 114 112 111 114 97 116 101 100 32 98 121 32 114 101 102 101 114 101 110 99 101 32 104 101 114 101 105 110 32 97 110 100 32 105 110 32 116 104 101 32 114 101 112 111 115 105 116 111 114 121 32 97 116 32 104 116 116 112 115 58 47 47 119 119 119 46 99 101 114 116 117 109 46 112 108 47 114 101 112 111 115 105 116 111 114 121 46]
 . . . . . . . . . . . . . . . . [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 2.16.840.1.113730.1.1 (netscape-cert-type)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2 bits)
							06c0
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ydtg.com.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ydtg.com.cn'
 . . . . [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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