puzzlehunt.club.cc.cmu.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:96:de:b4:4e:21:ca:a7:61:c1:c0:fa:c6:d5:cb:60:9f:2e was issued on by Let's Encrypt.
With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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=puzzlehunt.club.cc.cmu.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:96:de:b4:4e:21:ca:a7:61:c1:c0:fa:c6:d5:cb:60:9f:2eSerial Number (int): 399787523578385740470800049427047040196398
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 3b:6d:8a:f9:3a:db:8a:8f:ed:4d:96:e3:97:61:f0:61:28:d8:e0:68
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 9d:61:b9:78:43:a1:be:07:7d:63:c0:a1:e8:17:22:fb:1b:27:57:9a
Fingerprint (sha256): 02:27:5c:4b:40:b9:b5:30:66:cd:35:6b:c8:8a:e4:ba:61:af:d3:50:80:15:8c:3e:d8:80:17:9e:45:6f:fb:47
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate puzzlehunt.club.cc.cmu.edu
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for puzzlehunt.club.cc.cmu.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
dev.puzzlehunt.club.cc.cmu.edu
puzzlehunt.club
puzzlehunt.club.cc.cmu.edu
www.puzzlehunt.club
puzzlehunt.club
puzzlehunt.club.cc.cmu.edu
www.puzzlehunt.club
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Certificate
The complete raw certificate details for puzzlehunt.club.cc.cmu.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGZDCCBUygAwIBAgISBJbetE4hyqdhwcD6xtXLYJ8uMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEwMTgxMzExMzhaFw0x OTAxMTYxMzExMzhaMCUxIzAhBgNVBAMTGnB1enpsZWh1bnQuY2x1Yi5jYy5jbXUu ZWR1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyl+xxNIBCQ4lWLep dHGWlIciUBfaYgzX5dCQBLqj+96HvHdR90UY7saaaiuz+VrF/zk5GpleFwGAqHGu +7XyDyrH4d3lG7+unf1ai7lKf5vLJ+TVKZa0npyUtpE4HzUGCYEw03UiyiVTh+eO AoEXHC57hFiqE3tdxV4OfF4uLBsRMpM3GNqbn5lVVp9HmePOqUgpkPT3WiblFhGw mfAPE7JDA49Wo7zaKJDhqdzye9X/NYTAKNztQdqQ++n+XKA2rQKhIP/1dGUspsbY MADin2M1bOhvcvzEK2MZ9ur8dBJhjEqbiBJ4GqGUzCDh1cPOtg1geudmvujYnoFl YXIvMQIDAQABo4IDZzCCA2MwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ7bYr5OtuK j+1NluOXYfBhKNjgaDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMGsGA1UdEQRkMGKCHmRldi5wdXp6bGVodW50LmNsdWIu Y2MuY211LmVkdYIPcHV6emxlaHVudC5jbHVighpwdXp6bGVodW50LmNsdWIuY2Mu Y211LmVkdYITd3d3LnB1enpsZWh1bnQuY2x1YjCB/gYDVR0gBIH2MIHzMAgGBmeB DAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMu bGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNh dGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFu ZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5 IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMIIB AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAVYHUwhaQNgFK6gubVzxT8MDkOHhwJQgX L6OqHQcT0wwAAAFmh4R8eQAABAMARjBEAiAyvH1rrO9JBL7HW5NFSrF04PrGp81J uHQ8ZrBAcr1rQgIgSKdaf5UKTl6zSmpB/M6zWtiyLUS1VjimEv4b5/UsPAoAdgAp PFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAWaHhHxiAAAEAwBHMEUC IBuuWRMwgkQaepegGEWSxDZS7IANxwL/Z7EDfvNiRY2VAiEA8SDnlH4znKosUUdp fmu/jJWlsBI3RwbEkf4Jp4Ao5JowDQYJKoZIhvcNAQELBQADggEBAEsBAwE60Y1p oAm7OOiE80biPfUVGCm1RYlCjIJsjsvqQRzyBe7fZivaq52Nc0mqzOykrDGHrB6o VyS0DhEB50GSGsU9z8h+ZPqPiIpyZ50qy2rqyS11dmYJpJummhxS4Q//7Gr8O+yx CGZvCg3BWG7D5VcTcThFjBV9/8My6Tb7KEe3icwHHCvp2sG9NXIiFOxozsW4lQ5+ pxHeaYgUqrdinhvlv7ORYuHY7+11yGAs73HJDWVouwI63NdOSwNrIp6roBlWltKX ddyMtbjzfm52u8DnlVe8/Ef5CE/gyUKG31PGTt4SQZkOSCzH4aZM2suNKLlMU9RS IX6JcCG7lKE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyl+xxNIBCQ4lWLepdHGW lIciUBfaYgzX5dCQBLqj+96HvHdR90UY7saaaiuz+VrF/zk5GpleFwGAqHGu+7Xy DyrH4d3lG7+unf1ai7lKf5vLJ+TVKZa0npyUtpE4HzUGCYEw03UiyiVTh+eOAoEX HC57hFiqE3tdxV4OfF4uLBsRMpM3GNqbn5lVVp9HmePOqUgpkPT3WiblFhGwmfAP E7JDA49Wo7zaKJDhqdzye9X/NYTAKNztQdqQ++n+XKA2rQKhIP/1dGUspsbYMADi n2M1bOhvcvzEK2MZ9ur8dBJhjEqbiBJ4GqGUzCDh1cPOtg1geudmvujYnoFlYXIv MQIDAQAB -----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 399787523578385740470800049427047040196398 . . . . . . . . [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 2018-10-18 13:11:38 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-16 13:11:38 +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 'puzzlehunt.club.cc.cmu.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 25547326275209191099143254260061684141746664898872468761690616701027917675401086457065163905332284270205900977841122956926703873519139188209339011054009195373940946624121541245091585000057135996279079082374399826797700055186953389620610164750865383071604736496333339373025582301833071798978494339308329554216061581434595476420469143399303778706804624813345632144324481923302857479003976151189343364098920436863691274123356285774251383984158431276921616188833655375296587059897215652446560633221004432263305945977989859910891731185648050796595592816511498752613937704351609976604567183400227552452884995612913209323313 . . . . . . . . . . . . . . . . . . . . [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) 3b6d8af93adb8a8fed4d96e39761f06128d8e068 . . . . . . . . . . . . . . . . [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 (100 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.puzzlehunt.club.cc.cmu.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'puzzlehunt.club' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'puzzlehunt.club.cc.cmu.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.puzzlehunt.club' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00ef0075005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c0000016687847c790000040300463044022032bc7d6bacef4904bec75b93454ab174e0fac6a7cd49b8743c66b04072bd6b42022048a75a7f950a4e5eb34a6a41fcceb35ad8b22d44b55638a612fe1be7f52c3c0a007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016687847c62000004030047304502201bae59133082441a7a97a0184592c43652ec800dc702ff67b1037ef362458d95022100f120e7947e339caa2c5147697e6bbf8c95a5b012374706c491fe09a78028e49a . . . . [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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