rocketchat.cs.fit.edu

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3e:9c:e0:0d:66:72:a6:9b:c1:45:dd:6d:55:1e:9a:ae:fb 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=rocketchat.cs.fit.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3e:9c:e0:0d:66:72:a6:9b:c1:45:dd:6d:55:1e:9a:ae:fb
Serial Number (int): 282642887458005763484427136964274245250811
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 14:d9:d0:4a:08:7b:86:f4:de:9d:76:2c:ba:b7:1b:1d:2d:87:b0:b1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b8:6c:89:ee:8e:e3:2a:9f:70:2e:fd:26:ec:f0:a3:e1:0b:ec:7f:7c
Fingerprint (sha256): 15:8d:3a:a1:89:84:89:ea:de:7c:30:77:b3:b2:7a:2a:91:77:8d:de:19:33:5e:5f:12:d5:23:6d:24:f9:d3:31

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate rocketchat.cs.fit.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rocketchat.cs.fit.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

rocketchat.cs.fit.edu

Other certificates including the domain name fit.edu

(limited to 100 certificates)

Certificate

The complete raw certificate details for rocketchat.cs.fit.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFYTCCBEmgAwIBAgISAz6c4A1mcqabwUXdbVUemq77MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjUwNjAxMzFaFw0x
OTA4MjMwNjAxMzFaMCAxHjAcBgNVBAMTFXJvY2tldGNoYXQuY3MuZml0LmVkdTCC
ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALKz07Fm++gGAUGjUeHCEN+z
7gIKo+pAr1/AoH5lvWwt8Deyjtc2ORWbwdyCzbT8cYizJWgg1PA9rlho9u3QOxC2
Jdoc8ODB/8Hs+nbuk8G2EAB4vvu6VeqTPGUf1ybqtWXaboDlu2xDdIS3Kig84sUg
tYr5C5oMO/DMlbND9rPQpHmSo5K1fyDo0Vk2Xf1kJmN070hRxH0kJVqv1Th0en7J
gLBCGxQByB+8PW6FcHtrUn/6HwkSt137mW0wk22fjNN7mgbSVHbct08jwTWMDJjj
WxBvwKMexFdQj/urNaMILx7h5ibnCTEK1xoJk6Kpy/s9DuMy/9eJ0xHlw26r+e0C
AwEAAaOCAmkwggJlMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD
AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUFNnQSgh7hvTenXYs
urcbHS2HsLEwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB
BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu
Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu
Y3J5cHQub3JnLzAgBgNVHREEGTAXghVyb2NrZXRjaGF0LmNzLmZpdC5lZHUwTAYD
VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa
aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx
AO8AdgB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWrty2btAAAE
AwBHMEUCIFIcGpOtiEyhinEM9tvS8wvZbsZJ4v8kbYDF8EPrlP+UAiEA3S66UhAQ
ImH+8xV9kAcT/l6tEDT4PqEJyMKsrmKqVKgAdQApPFGWVMg5ZbqqUPxYB9S3b79Y
eily3KTDDPTlRUf0eAAAAWrty2bcAAAEAwBGMEQCIAcinm5o4qLl9/lL82rAgseU
VTjw6+izDkdPyEVW5IoUAiAw8namOaVrWlk2BGDM+nZ5eIe765rQmTftpshfoqSY
GTANBgkqhkiG9w0BAQsFAAOCAQEAXw49pD6CzWnLAI6gIl2C3bqmGuI11cjQXPA2
gwLOPWMPqLfQVOsYAQ0EThnTguUsMOo8q0H/rUtGJwvi9bFFioA/lMONeW3GnwSH
NrQLr1udip9anUhzIH6oCi9NxB4LyIkk/Ua4asx73Z2U71Zt9m1O9LmfrCod8iiL
ZtxDxh2SfnBPgAmHy6xkb+jTi35c3cYDQiqOT2tovMHj3ticEcF1/+/ow4rLqQqD
8QOTIpctHPOmcstGqpX+4pDXt4TBv4J7Z6zPMpL0kdtUN7teJCu9DLdNClj2ccvQ
DRMY0Dem9pYjeC/7QTmxCkOnmuKUpg2YhGUCoBbJykdXKI/2VQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsrPTsWb76AYBQaNR4cIQ
37PuAgqj6kCvX8CgfmW9bC3wN7KO1zY5FZvB3ILNtPxxiLMlaCDU8D2uWGj27dA7
ELYl2hzw4MH/wez6du6TwbYQAHi++7pV6pM8ZR/XJuq1ZdpugOW7bEN0hLcqKDzi
xSC1ivkLmgw78MyVs0P2s9CkeZKjkrV/IOjRWTZd/WQmY3TvSFHEfSQlWq/VOHR6
fsmAsEIbFAHIH7w9boVwe2tSf/ofCRK3XfuZbTCTbZ+M03uaBtJUdty3TyPBNYwM
mONbEG/Aox7EV1CP+6s1owgvHuHmJucJMQrXGgmToqnL+z0O4zL/14nTEeXDbqv5
7QIDAQAB
-----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 282642887458005763484427136964274245250811
 . . . . . . . . [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 2019-05-25 06:01:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-23 06:01:31 +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 'rocketchat.cs.fit.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 22559094246016507381049092168935250763556789282174512580889115761239622134050525090642107028537027267152613362484264174827116468389210608985562607556080863053980069772052228927444284532255383223197553586329163469932211849351754143297773882159020372838452587634913253541171707741770399769119304156861654556756066849596058711617980305679793307509206496352638009421336880581130206712712042681945056691015960612426741446899105486499266369595599841321334525577494425367562953308741860485504343892357412585636465182124061524114789209838458958715837380436193737770137716320376630340117369291587695529857382715943522214345197
 . . . . . . . . . . . . . . . . . . . . [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)
							14d9d04a087b86f4de9d762cbab71b1d2d87b0b1
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rocketchat.cs.fit.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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016aedcb66ed00000403004730450220521c1a93ad884ca18a710cf6dbd2f30bd96ec649e2ff246d80c5f043eb94ff94022100dd2eba5210102261fef3157d900713fe5ead1034f83ea109c8c2acae62aa54a8007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016aedcb66dc0000040300463044022007229e6e68e2a2e5f7f94bf36ac082c7945538f0ebe8b30e474fc84556e48a14022030f276a639a56b5a59360460ccfa76797887bbeb9ad09937eda6c85fa2a49819
 . . . . [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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