compphotolab.northwestern.edu
Issued by R3
About this certificate
This digital certificate with serial number 03:20:37:fa:84:2d:dc:f6:f3:f3:fe:96:57:8e:30:46:1e:9d was issued on by Let's Encrypt.
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- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=compphotolab.northwestern.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:20:37:fa:84:2d:dc:f6:f3:f3:fe:96:57:8e:30:46:1e:9dSerial Number (int): 272300301831645295095727199318090925350557
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6c:ea:0a:5f:74:bf:03:3b:ac:b0:fc:43:41:96:f5:a3:9d:c2:00:ae
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): f8:61:bb:40:72:22:20:1f:01:84:5c:c3:27:c2:32:af:b6:e1:f3:98
Fingerprint (sha256): 01:9d:54:46:49:08:e1:46:b0:a3:54:7c:11:0d:be:4c:90:87:80:61:bc:3b:79:b0:b9:a9:b9:16:e8:bd:cd:ef
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate compphotolab.northwestern.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for compphotolab.northwestern.edu
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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
compphotolab.northwestern.edu
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Certificate
The complete raw certificate details for compphotolab.northwestern.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFBzCCA++gAwIBAgISAyA3+oQt3Pbz8/6WV44wRh6dMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAxMTQwNDQ0NTRaFw0yNDA0MTMwNDQ0NTNaMCgxJjAkBgNVBAMT HWNvbXBwaG90b2xhYi5ub3J0aHdlc3Rlcm4uZWR1MIIBIjANBgkqhkiG9w0BAQEF AAOCAQ8AMIIBCgKCAQEAzT5VvJVhNF3whqSPPb/CH8edEscdfLc3G4tbK9Shse7A F+jWLgFV06nLVweSl1uqnU1HdzSOKkp5g4zPkxDkFFbEfT5vxGR97G8/CPtpYiaQ knt9q4Ljq0oBNno9LIBJhpVtGS+TZEgN6ZuBwMIqKCdzySo4pvjlMagRFfLPkLqZ rLjJfrmMNhCcKziemMsnn7ydC4uqCLRDo4Y6eq6J+pA/vfj0bJPZ0dahP3Jnod2+ EIm93x6Oqp5loMUcwKDfVpjGlzj7cpTiQ6+L3vU7GkgNlvESVFQi2cEjeJLjTBbI g2N70AHYUVHfNnzs5GA3iIdDmxKTmrSnRNWLolAxrwIDAQABo4ICHzCCAhswDgYD VR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNV HRMBAf8EAjAAMB0GA1UdDgQWBBRs6gpfdL8DO6yw/ENBlvWjncIArjAfBgNVHSME GDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYB BQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDov L3IzLmkubGVuY3Iub3JnLzAoBgNVHREEITAfgh1jb21wcGhvdG9sYWIubm9ydGh3 ZXN0ZXJuLmVkdTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIE gfUEgfIA8AB2AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjQaA ZooAAAQDAEcwRQIhANIEBQQ67+KKb7vRBh+JjcTASE7kwkEbsBgvJ8ujRfA8AiBQ ZHl+oKhLEUKuP72a1wxtsLtzDNmvgr6ERfslMlqm6wB2AO7N0GTV2xrOxVy3nbTN E6Iyh0Z8vOzew1FIWUZxH7WbAAABjQaAZp0AAAQDAEcwRQIgVwqFJjPdZ2ih3a5g N9hr1QcKW0maxasGw/mGpu0y9SkCIQDggOAhhsOxplM/D47FAh3F8eYWSJQam7n6 0sqzs3CHuzANBgkqhkiG9w0BAQsFAAOCAQEAg5uBNt5TTKqa8tGjXggpTjMxLJlc +oouiUAFTtRzyGbERqC7iZfBZ0AqcY+Njt4gUvd35VtGG1q7pJzyKcDlNHN+UcGA 7eMsqnysquEHRg+Ho1iS1/lYdNULVAqNt9JwKCO5F6PoMZ7CrjXJ0s2GqMAkftqB PIi7XAPe9711tCDN8d590UIvzHIejqMZrMJuR2SQuKWi+F8obek2/QoGjIEPMvw9 +YtWiZQfYr8dOZGp4l2cTDJOGq0dnOVj7O9vqa8Edbnb01S9phgy0TmV8vXvhKMT 2F3P0RXL56PcGW/V//4fO6DN9ShPkcqaERWNADxrAXNGp7UtqNbpQ4BT5A== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzT5VvJVhNF3whqSPPb/C H8edEscdfLc3G4tbK9Shse7AF+jWLgFV06nLVweSl1uqnU1HdzSOKkp5g4zPkxDk FFbEfT5vxGR97G8/CPtpYiaQknt9q4Ljq0oBNno9LIBJhpVtGS+TZEgN6ZuBwMIq KCdzySo4pvjlMagRFfLPkLqZrLjJfrmMNhCcKziemMsnn7ydC4uqCLRDo4Y6eq6J +pA/vfj0bJPZ0dahP3Jnod2+EIm93x6Oqp5loMUcwKDfVpjGlzj7cpTiQ6+L3vU7 GkgNlvESVFQi2cEjeJLjTBbIg2N70AHYUVHfNnzs5GA3iIdDmxKTmrSnRNWLolAx rwIDAQAB -----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 272300301831645295095727199318090925350557 . . . . . . . . [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 'Let's Encrypt' . . . . . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-14 04:44:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-13 04:44:53 +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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'compphotolab.northwestern.edu' . . . . . . . . [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 25909591007213470174614206055404471160382782179098959285542211324533713200928919986166740317907056590820341046976551986015741812703321313184061548062584839150605402856817136002723482362242050345942240574136370045606203463605419448377826265729936090444155205811859630993434458870111022116555199285190315255081581256393052473078114814089795153991052950117989055835688299940901628807042181599334339693528059199132742037307975732264348384985328541124904809696489185848719278531373452152724898319750705684461478898393136700452863007016279768194079089416400257170724010772968499499377318614058562263699860359165893751615919 . . . . . . . . . . . . . . . . . . . . [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 (3 bits) 05a0 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 6cea0a5f74bf033bacb0fc434196f5a39dc200ae . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [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 (33 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'compphotolab.northwestern.edu' . . . . . . . . . . . . . . . . [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 (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d0680668a0000040300473045022100d20405043aefe28a6fbbd1061f898dc4c0484ee4c2411bb0182f27cba345f03c02205064797ea0a84b1142ae3fbd9ad70c6db0bb730cd9af82be8445fb25325aa6eb007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d0680669d00000403004730450220570a852633dd6768a1ddae6037d86bd5070a5b499ac5ab06c3f986a6ed32f529022100e080e02186c3b1a6533f0f8ec5021dc5f1e61648941a9bb9fad2cab3b37087bb . . . . [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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