register.columbiacme.org

- Columbia University -

Issued by

About this certificate

This digital certificate with serial number 0d:17:0b was issued on by Equifax.

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:
  • KeyUsage [ContentCommitment DataEncipherment DigitalSignature KeyEncipherment] (00001111) inconsistent with multiple purpose ExtKeyUsage [clientAuth serverAuth] The certificate MUST only be used for a purpose consistent with both key usage extension and extended key usage extension. (RFC 5280, Section 4.2.1.12.)

Columbia University

Organization: Columbia University
Organization unit: Center for Continuing Medical Education
State / Province: New York
Locality: New York
Country: US

Equifax

Organization: Equifax
Organization unit: Equifax Secure Certificate Authority
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0d:17:0b
Serial Number (int): 857867
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: 39:d9:27:a2:f2:63:1c:56:92:de:40:2b:d5:42:6b:f8:bb:8f:85:f5
AuthorityKeyId: 48:e6:68:f9:2b:d2:b2:95:d7:47:d8:23:20:10:4f:33:98:90:9f:d4

Fingerprint (sha1): 94:fe:ac:59:b1:82:d7:d0:8f:20:04:38:26:ed:0e:34:48:da:70:3b
Fingerprint (sha256): f1:ce:99:5f:27:ee:ba:ab:9a:cd:34:45:3f:b7:1a:0f:d5:5b:ff:1e:cd:35:6d:bc:7d:82:bf:8f:4b:7b:ef:0b


Revocation information

CRL Distribution Point: http://crl.geotrust.com/crls/secureca.crl

Check the revocation status for certificate register.columbiacme.org

0

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for register.columbiacme.org

Public Key Algorithm

RSA

Key Size

1024

Signature Algorithm

SHA1 with RSA

Key Usage

Digital Signature
Content Commitment
Key Encipherment
Data Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

5 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.

Other certificates including the domain name columbiacme.org

(limited to 100 certificates)
www.columbiacme.org
register.columbiacme.org
register.columbiacme.org
register.columbiacme.org
register.columbiacme.org
www.columbiacme.org
*.columbiacme.org
*.columbiacme.org
register.columbiacme.org

Certificate

The complete raw certificate details for register.columbiacme.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7kfsmYUOUTrI9EkCGos5BwkS3
5e8iHu6/CWcrdAyRi2LDnvU7YL02a3a3iSEIXbI0qmCLPMELMg3qi+qkEGwwGlnN
jmLHKSQ5r6ENFniGKjDtXTJvb3W51E3w/TAele4aY2Wvb8tnX5FHXDD5+TpBiZ5A
bGasYV/Sf57mTBBgYQIDAQAB
-----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 857867
 . . . . . . . . [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 '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 'Equifax'
 . . . . . . . . . . . . [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 'Equifax Secure Certificate Authority'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2009-09-25 02:00:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-09-26 22:11:43 +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 'New York'
 . . . . . . . . . . . . [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 'New York'
 . . . . . . . . . . . . [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 'Columbia University'
 . . . . . . . . . . . . [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 'Center for Continuing Medical Education'
 . . . . . . . . . . . . [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 'register.columbiacme.org'
 . . . . . . . . [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 (1120 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 131716300798660487989891753781313748483346375593147653036369630529146602580948068816585677944600753492827044869280093422126801561380960544366743794813654237174866096977829728984856728226640492774482102141584872512795774542063980621531822564960308269145058465829042710030161072344658397420961225517706226196577
 . . . . . . . . . . . . . . . . . . . . [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:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4 bits)
							04f0
 . . . . . . . . . . . . . . . . [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)
							39d927a2f2631c5692de402bd5426bf8bb8f85f5
 . . . . . . . . . . . . . . . . [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 (51 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.geotrust.com/crls/secureca.crl'
 . . . . . . . . . . . . . . . . [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 48e668f92bd2b295d747d82320104f3398909fd4
 . . . . . . . . . . . . . . . . [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 (1024 bits)
		003f870e1636cce8b64d588e9bef68bde255dd41980fd73385af8a73df334db49ed221394a06a3d6e2b655c0d20c3f57cf1302198eff5bb4f57cc4e767043c3c5f44f06b9592d4b2b7a447fb6f20b9ec953a1709f86d8c641e995e61e7cd4e36754862ee872a5e172aa40d2aae6eccb6307ab7189e4b1110c078396be5471f4e7a