Certificate summary -

Owner: *.sourceforge.net, "Geeknet, Inc.", L=Fairfax, ST=Virginia, US, SERIALNUMBER=Z-nML/xz6lTjAkHxw6TNBVhSoUqNdFdm

Issuer: GeoTrust SSL CA, "GeoTrust, Inc.", US

Expiration: Tue Oct 01 09:55:27 EDT 2013

MD5: 4D:DF:82:9F:87:4F:68:92:4F:A1:1E:D1:AD:EC:58:BF

Hash: Owner Hash=ffb34440, Issuer Hash=4b841d5f

Information extracted out of the certificate:

Owner: CN=*.sourceforge.net, O="Geeknet, Inc.", L=Fairfax, ST=Virginia,
C=US, SERIALNUMBER=Z-nML/xz6lTjAkHxw6TNBVhSoUqNdFdm
Issuer: CN=GeoTrust SSL CA, O="GeoTrust, Inc.", C=US
Serial number: 1948c
Valid from: Mon Jul 30 20:05:34 EDT 2012 until: Tue Oct 01 09:55:27 EDT
2013
Certificate fingerprints:
	 MD5:  4D:DF:82:9F:87:4F:68:92:4F:A1:1E:D1:AD:EC:58:BF
	 SHA1: E4:EC:3F:6D:2C:0E:D1:96:B6:F7:D5:5B:B5:83:02:EE:F4:7D:DB:65
	 Signature algorithm name: SHA1withRSA
	 Version: 3

Extensions: 

#1: ObjectId: 2.5.29.15 Criticality=true
KeyUsage [
  DigitalSignature
  Key_Encipherment
  Data_Encipherment
]

#2: ObjectId: 2.5.29.19 Criticality=true
BasicConstraints:[
  CA:false
  PathLen: undefined
]

#3: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [
0000: B6 E5 EB 84 93 CB 86 BE	55 8D 02 42 93 55 DD 6E  ........U..B.U.n
0010: 9B 2A 88 63					 .*.c
]
]

#4: ObjectId: 1.3.6.1.5.5.7.1.1 Criticality=false
AuthorityInfoAccess [
  [
   accessMethod: 1.3.6.1.5.5.7.48.1
   accessLocation: URIName: http://gtssl-ocsp.geotrust.com, 
   accessMethod: 1.3.6.1.5.5.7.48.2
   accessLocation: URIName: http://gtssl-aia.geotrust.com/gtssl.crt]
]

#5: ObjectId: 2.5.29.31 Criticality=false
CRLDistributionPoints [
  [DistributionPoint:
     [URIName: http://gtssl-crl.geotrust.com/crls/gtssl.crl]
]]

#6: ObjectId: 2.5.29.32 Criticality=false
CertificatePolicies [
  [CertificatePolicyId: [2.16.840.1.113733.1.7.54]
[PolicyQualifierInfo: [
  qualifierID: 1.3.6.1.5.5.7.2.1
  qualifier: 0000: 16 25 68 74 74 70 3A 2F   2F 77 77 77 2E 67 65 6F 
.%http://www.geo
0010: 74 72 75 73 74 2E 63 6F	6D 2F 72 65 73 6F 75 72  trust.com/resour
0020: 63 65 73 2F 63 70 73				 ces/cps

]]  ]
]

#7: ObjectId: 2.5.29.37 Criticality=false
ExtendedKeyUsages [
  serverAuth
  clientAuth
]

#8: ObjectId: 2.5.29.35 Criticality=false
AuthorityKeyIdentifier [
KeyIdentifier [
0000: 42 79 54 1B 61 CD 55 2B	3E 63 D5 3C 48 57 F5 9F  ByT.a.U+>c.<HW..
0010: FB 45 CE 4A					 .E.J
]

]

#9: ObjectId: 2.5.29.17 Criticality=false
SubjectAlternativeName [
  DNSName: *.sourceforge.net
  DNSName: sourceforge.net
]

Certificate in PEM format (Base64 encoded X.509):

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

Visit the Web site using this certificate: https://www.sourceforge.net

Search for the certificate of the issuer.