appointment.lib.sfu.ca
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:28:71:e4:08:85:bc:09:c8:47:41:46:e2:f1:b0:28:83:6b was issued on by Let's Encrypt.
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)
Certificate Subject
CN=appointment.lib.sfu.ca
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:28:71:e4:08:85:bc:09:c8:47:41:46:e2:f1:b0:28:83:6bSerial Number (int): 275099539252180537364321146751496569258859
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 5b:eb:23:fa:99:64:23:38:0e:88:07:71:11:61:c6:4d:23:6a:6d:9b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 33:25:80:26:bb:b6:4f:42:a6:a0:fa:ff:d5:12:b1:6e:6f:7e:90:91
Fingerprint (sha256): 05:42:83:38:a1:aa:33:fc:59:e0:b8:66:ec:0a:88:1d:8e:e0:f1:a1:ca:36:c0:0a:0d:8d:bf:a2:9f:2c:07:20
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate appointment.lib.sfu.ca
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for appointment.lib.sfu.ca
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
appointment.lib.sfu.ca
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Certificate
The complete raw certificate details for appointment.lib.sfu.ca in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFZDCCBEygAwIBAgISAyhx5AiFvAnIR0FG4vGwKINrMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTYxMjAxMTNaFw0y MDAyMTQxMjAxMTNaMCExHzAdBgNVBAMTFmFwcG9pbnRtZW50LmxpYi5zZnUuY2Ew ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDdxZJ/Fbp4ozY01LevjbjH 2KKqH6x9GXlpbSY19rOrNeUraTewOR7lbCn3vYpwQqNTnU/0OBrK752HWA8n2BV3 kEpwl2r2gmn0g71IAUITy4cmAV/NbCZAqin1ivMtE31NJniCeU17mwe74TSuP/Re 9TubLbPNC7BazIM4oe9ZXBSPYeHm0VEsXiagKUCF2LHuwKFbcWL6NQBf3CaEZx0i PKgYzuv9nvs6wLw+1EbSd1S/Z2yxoBI7IE6ylyVxP+H+319GLvs9KzRWJxXXgPrk /H7aDlc+vj0kWLcPi9yb/tgaONKCfPWu96s36mAb/96PDTmpkR4t9i5iQf1Em1wp AgMBAAGjggJrMIICZzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFvrI/qZZCM4DogH cRFhxk0jam2bMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wIQYDVR0RBBowGIIWYXBwb2ludG1lbnQubGliLnNmdS5jYTBM BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE gfIA8AB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABbnRNnCIA AAQDAEcwRQIgAceutnxUW9201yDeQeH4icB/OAbQkykrdoMvOwDhRSwCIQCZB9tA nSyYvyEur6ll3zDajGO0cw7JEgNpR/Hp/IHDAAB2AAe3XBvlfWj/8bDGHSMVx7rm V3xXlLdq7rxhOhpp06IcAAABbnRNnFMAAAQDAEcwRQIgaSBiF78BW2EP3u8jTBdd YBpqB/YGKs3skNYBCGzKB+ICIQD/ufGYov1y1T35xHHcrqTXaHpDj0COBc0fE9zm 1xtw/jANBgkqhkiG9w0BAQsFAAOCAQEAVvJDnFmkYFYObEtRpJnUnIeORG7rBUMk /CcJrO6lIwXcy63UmSaeHzpWVPie3O6i/FAG6H9NF6QyIpfayCmBuO4iw75ru3r3 Gwdn5e6Jh72O0fj8/h2ZnthMnCet5ghJlm/scHRw/hiJEKmnJlw7rTnpmdBfwAbb Y40v+iOkOKyvP5H/EvLHVXRAAU4HyszgzDlsAptFFanYoe7ZuyDaKr4OMdaz4upA OMq0tUwu1Hw1R1eVlm/0RxSKtIGiCdyvA4bXu0SZnI6iNdW4DLVBw/0VHUAcmTSC wsWvYuuqJ865AZdowMuS2TEzaCq1JwpcQSamms6pUlKqFH7U0rbwqw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3cWSfxW6eKM2NNS3r424 x9iiqh+sfRl5aW0mNfazqzXlK2k3sDke5Wwp972KcEKjU51P9Dgayu+dh1gPJ9gV d5BKcJdq9oJp9IO9SAFCE8uHJgFfzWwmQKop9YrzLRN9TSZ4gnlNe5sHu+E0rj/0 XvU7my2zzQuwWsyDOKHvWVwUj2Hh5tFRLF4moClAhdix7sChW3Fi+jUAX9wmhGcd IjyoGM7r/Z77OsC8PtRG0ndUv2dssaASOyBOspclcT/h/t9fRi77PSs0VicV14D6 5Px+2g5XPr49JFi3D4vcm/7YGjjSgnz1rverN+pgG//ejw05qZEeLfYuYkH9RJtc KQIDAQAB -----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 275099539252180537364321146751496569258859 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-16 12:01:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-14 12:01:13 +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 'appointment.lib.sfu.ca' . . . . . . . . [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 27996091905928850792197604155015574230542389975383010344325029978535939103469291838947645536212234483950194779205285366375738441196972778267681044605427722608419013728587390086514073428945623555112611544027387637666108072990511655704856559351075313119404919238539826909846783527853355010468607744057968526822714448866791433962805408798660206180576616919401359913558612203211170301537719367444536448379904587430016212689941933009229792675541231054199048796362735387854977351578138820689405217932488216713882478940270621290913858224324909531654163227448539509964840969190457898760934381363979697213479063073362194160681 . . . . . . . . . . . . . . . . . . . . [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) 5beb23fa996423380e8807711161c64d236a6d9b . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'appointment.lib.sfu.ca' . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e744d9c220000040300473045022001c7aeb67c545bddb4d720de41e1f889c07f3806d093292b76832f3b00e1452c0221009907db409d2c98bf212eafa965df30da8c63b4730ec912036947f1e9fc81c30000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e744d9c530000040300473045022069206217bf015b610fdeef234c175d601a6a07f6062acdec90d601086cca07e2022100ffb9f198a2fd72d53df9c471dcaea4d7687a438f408e05cd1f13dce6d71b70fe . . . . [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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