Certificate summary -

Owner: github.com, "GitHub, Inc.", L=San Francisco, ST=California, US, OID.2.5.4.17=94107, STREET=548 4th Street, SERIALNUMBER=5157550, OID.1.3.6.1.4.1.311.60.2.1.2=Delaware, OID.1.3.6.1.4.1.311.60.2.1.3=US, OID.2.5.4.15=Private Organization

Issuer: DigiCert High Assurance EV CA-1, www.digicert.com, DigiCert Inc, US

Expiration: Wed Sep 02 08:00:00 EDT 2015

MD5: C6:A0:CB:FB:53:01:82:6C:AC:D1:61:33:02:B1:64:DB

Hash: Owner Hash=8d0ba656, Issuer Hash=829a1002

Information extracted out of the certificate:

Owner: CN=github.com, O="GitHub, Inc.", L=San Francisco, ST=California,
C=US, OID.2.5.4.17=94107, STREET=548 4th Street, SERIALNUMBER=5157550,
OID.1.3.6.1.4.1.311.60.2.1.2=Delaware, OID.1.3.6.1.4.1.311.60.2.1.3=US,
OID.2.5.4.15=Private Organization
Issuer: CN=DigiCert High Assurance EV CA-1, OU=www.digicert.com, O=DigiCert
Inc, C=US
Serial number: 47fbe2e4bde0084d2caf8e3ecfe7058
Valid from: Sun Jun 09 20:00:00 EDT 2013 until: Wed Sep 02 08:00:00 EDT
2015
Certificate fingerprints:
	 MD5:  C6:A0:CB:FB:53:01:82:6C:AC:D1:61:33:02:B1:64:DB
	 SHA1: D7:12:E9:69:65:DC:F2:36:C8:74:C7:03:7D:C0:B2:24:A9:3B:D2:33
	 SHA256:
57:5A:AC:18:64:97:E1:29:1A:45:51:D9:2A:08:36:DC:AB:FB:56:74:94:30:B5:29:23:
27:64:A7:80:26:46:CB
	 Signature algorithm name: SHA1withRSA
	 Version: 3

Extensions: 

#1: ObjectId: 1.3.6.1.5.5.7.1.1 Criticality=false
AuthorityInfoAccess [
  [
   accessMethod: ocsp
   accessLocation: URIName: http://ocsp.digicert.com
, 
   accessMethod: caIssuers
   accessLocation: URIName:
http://cacerts.digicert.com/DigiCertHighAssuranceEVCA-1.crt
]
]

#2: ObjectId: 2.5.29.35 Criticality=false
AuthorityKeyIdentifier [
KeyIdentifier [
0000: 4C 58 CB 25 F0 41 4F 52	F4 28 C8 81 43 9B A6 A8  LX.%.AOR.(..C...
0010: A0 E6 92 E5					 ....
]
]

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

#4: ObjectId: 2.5.29.31 Criticality=false
CRLDistributionPoints [
  [DistributionPoint:
     [URIName: http://crl3.digicert.com/evca1-g2.crl]
, DistributionPoint:
     [URIName: http://crl4.digicert.com/evca1-g2.crl]
]]

#5: ObjectId: 2.5.29.32 Criticality=false
CertificatePolicies [
  [CertificatePolicyId: [2.16.840.1.114412.2.1]
[PolicyQualifierInfo: [
  qualifierID: 1.3.6.1.5.5.7.2.1
  qualifier: 0000: 16 2E 68 74 74 70 3A 2F   2F 77 77 77 2E 64 69 67 
..http://www.dig
0010: 69 63 65 72 74 2E 63 6F	6D 2F 73 73 6C 2D 63 70  icert.com/ssl-cp
0020: 73 2D 72 65 70 6F 73 69	74 6F 72 79 2E 68 74 6D  s-repository.htm

], PolicyQualifierInfo: [
  qualifierID: 1.3.6.1.5.5.7.2.2
  qualifier: 0000: 30 82 01 56 1E 82 01 52   00 41 00 6E 00 79 00 20 
0..V...R.A.n.y. 
0010: 00 75 00 73 00 65 00 20	00 6F 00 66 00 20 00 74  .u.s.e. .o.f. .t
0020: 00 68 00 69 00 73 00 20	00 43 00 65 00 72 00 74  .h.i.s. .C.e.r.t
0030: 00 69 00 66 00 69 00 63	00 61 00 74 00 65 00 20  .i.f.i.c.a.t.e. 
0040: 00 63 00 6F 00 6E 00 73	00 74 00 69 00 74 00 75  .c.o.n.s.t.i.t.u
0050: 00 74 00 65 00 73 00 20	00 61 00 63 00 63 00 65  .t.e.s. .a.c.c.e
0060: 00 70 00 74 00 61 00 6E	00 63 00 65 00 20 00 6F  .p.t.a.n.c.e. .o
0070: 00 66 00 20 00 74 00 68	00 65 00 20 00 44 00 69  .f. .t.h.e. .D.i
0080: 00 67 00 69 00 43 00 65	00 72 00 74 00 20 00 43  .g.i.C.e.r.t. .C
0090: 00 50 00 2F 00 43 00 50	00 53 00 20 00 61 00 6E  .P./.C.P.S. .a.n
00A0: 00 64 00 20 00 74 00 68	00 65 00 20 00 52 00 65  .d. .t.h.e. .R.e
00B0: 00 6C 00 79 00 69 00 6E	00 67 00 20 00 50 00 61  .l.y.i.n.g. .P.a
00C0: 00 72 00 74 00 79 00 20	00 41 00 67 00 72 00 65  .r.t.y. .A.g.r.e
00D0: 00 65 00 6D 00 65 00 6E	00 74 00 20 00 77 00 68  .e.m.e.n.t. .w.h
00E0: 00 69 00 63 00 68 00 20	00 6C 00 69 00 6D 00 69  .i.c.h. .l.i.m.i
00F0: 00 74 00 20 00 6C 00 69	00 61 00 62 00 69 00 6C  .t. .l.i.a.b.i.l
0100: 00 69 00 74 00 79 00 20	00 61 00 6E 00 64 00 20  .i.t.y. .a.n.d. 
0110: 00 61 00 72 00 65 00 20	00 69 00 6E 00 63 00 6F  .a.r.e. .i.n.c.o
0120: 00 72 00 70 00 6F 00 72	00 61 00 74 00 65 00 64  .r.p.o.r.a.t.e.d
0130: 00 20 00 68 00 65 00 72	00 65 00 69 00 6E 00 20  . .h.e.r.e.i.n. 
0140: 00 62 00 79 00 20 00 72	00 65 00 66 00 65 00 72  .b.y. .r.e.f.e.r
0150: 00 65 00 6E 00 63 00 65	00 2E			 .e.n.c.e..

]]  ]
]

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

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

#8: ObjectId: 2.5.29.17 Criticality=false
SubjectAlternativeName [
  DNSName: github.com
  DNSName: www.github.com
]

#9: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [
0000: 87 D1 8F 19 6E E4 87 6F	53 8C 77 91 07 50 DF A3  ....n..oS.w..P..
0010: BF 55 47 20					 .UG 
]
]

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

-----BEGIN CERTIFICATE-----
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+mx9u8cY//7uAxLWYS5gIZlCbxcf0lkiKSHJB319
-----END CERTIFICATE-----

Visit the Web site using this certificate: https://www.github.com

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