www.eiestore.com

- Museum of Science -

Issued by thawte SSL CA - G2

About this certificate

This digital certificate with serial number 54:17:c7:ea:2d:80:6d:7f:b4:c5:bc:d7:e4:6d:8c:7e was issued on by thawte, Inc..

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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Museum of Science

Organization: Museum of Science
Organization unit: Engineering is Elementary
State / Province: Massachusetts
Locality: Boston
Country: US

thawte, Inc.

Organization: thawte, Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 54:17:c7:ea:2d:80:6d:7f:b4:c5:bc:d7:e4:6d:8c:7e
Serial Number (int): 111778629226662474420225712783505591422
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: c2:4f:48:57:fc:d1:4f:9a:c0:5d:38:7d:0e:05:db:d9:2e:b5:52:60

Fingerprint (sha1): 74:da:6f:55:49:c9:e7:38:78:87:1f:4b:6a:0b:5c:f5:a1:6c:43:ac
Fingerprint (sha256): 16:84:cf:28:52:d3:84:38:33:0c:df:f8:4e:f6:01:48:35:2d:0a:da:85:63:4b:17:8d:6d:d3:95:e3:ec:53:96

Issuing Certificate URL: http://tj.symcb.com/tj.crt

Revocation information

OCSP Server: http://tj.symcd.com
CRL Distribution Point: http://tj.symcb.com/tj.crl

Check the revocation status for certificate www.eiestore.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.eiestore.com

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.eiestore.com
eiestore.com

Other certificates including the domain name eiestore.com

(limited to 100 certificates)
www.eiestore.com
www.eiestore.com
www.eiestore.com
www.eiestore.com
eiestore.com
eiestore.com
cpanel.eiestore.com
eiestore.com
eiestore.com
eiestore.com
eiestore.com
eiestore.com
www.eiestore.com
www.eiestore.com
eiestore.com
eiestore.com
webdisk.eiestore.com
eiestore.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtdKI6g1EUbmC2izW5NYb
bdkS2EpcNYZQihBSn1Iybjp/bWVLJuGRl0VlyFiAYKos+kZcaEjbb4l+DzZWwTFR
oWHgBI0J0DszgCstYROQX6NjpQ9ifanA0bLiq0FB9xnVRLlklmQWC/mz7/0RpQxL
9kmQ3A08vBODlOqS3OS6zuIFEJBpkaeJ1Fg80Ufs2Da5fuc9/bVoeoG+f4tOq42X
N3Do28P53wPqs8TbaRStAUX15mLOmrh5VnyEOKcFe3OvAhV/vB7CIwkOTka8ZQFB
OHxkSKg6E6xT+6cS2EF3l2BYdJQVcfvuRjXszhpAaZqLkRH72XsZg4jTHc2iypa0
+QIDAQAB
-----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 111778629226662474420225712783505591422
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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 'thawte, Inc.'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'thawte SSL CA - G2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-07-28 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-26 23:59:59 +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 'US'
 . . . . . . . . . . . . [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 'Massachusetts'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Boston'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Museum of Science'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Engineering is Elementary'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'www.eiestore.com'
 . . . . . . . . [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 22952951788634847885723045319992676473642704457130171684819204255076856224632638080225564160622590131188828168914997863105584898955456127829288707152049491296632111232192067131739658817287388935022203409980351526810199235279071278592968181973308745799701795428822557348557731468276685661931388168096145616050671685951085214499304840142755713607218424178437876439599916606509521851750745653222307251773349519636943091153848663868001065823102657495917181829529031234731326603502040941334553033409657853631447296215114103927901491054933027422523874854828111316496766108391299367048587626634284291594020285866998532322553
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.eiestore.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'eiestore.com'
 . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (103 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.thawte.com/cps'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:12|false] UTF8String 'https://www.thawte.com/repository'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c24f4857fcd14f9ac05d387d0e05dbd92eb55260
 . . . . . . . . . . . . . . . . [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 (36 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://tj.symcb.com/tj.crl'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://tj.symcd.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://tj.symcb.com/tj.crt'
 . . . . [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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