myuw.uw.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:8a:10:b0:56:c4:59:6d:c1:65:af:39:a8:6d:0c:f2:f6:93 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:
  • 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=myuw.uw.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8a:10:b0:56:c4:59:6d:c1:65:af:39:a8:6d:0c:f2:f6:93
Serial Number (int): 308318007682393531300366859600498024183443
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e8:bd:34:ee:d3:db:b2:c6:c0:e9:06:7c:8e:57:0a:ac:58:21:d7:0a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ce:07:a8:c0:aa:84:d2:76:11:9f:0e:83:12:0d:ea:15:cf:11:dd:d4
Fingerprint (sha256): 04:84:14:d3:29:c7:8f:fa:ac:97:38:66:c7:c0:16:fc:ed:bc:7b:1b:2f:e6:83:2e:fa:0b:43:f8:c6:48:d7:0c

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate myuw.uw.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for myuw.uw.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

myuw.uw.edu

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Certificate

The complete raw certificate details for myuw.uw.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE4zCCA8ugAwIBAgISA4oQsFbEWW3BZa85qG0M8vaTMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEwMjAwNTE2NTNaFw0yNDAxMTgwNTE2NTJaMBYxFDASBgNVBAMT
C215dXcudXcuZWR1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzyjI
BkAej/fQ34itaRBQpHreo55CsJG3i0RVxT9NeeVumJAzTiM6vKV2zSDHcejtb+k7
KFjDFE7WTBMDUN1uZmLhxuYHbEhPAKp4i2a+uJFtqos0m6N2vj6v+pvlc/baIW0L
1D4aRoY1QlcluRP6ZeBXc5A885GiGxiB8ZajwB8Nz90b/bxf7Vh77HWp7jS/eRh8
yWgM1lTMCkfkXO7tFT6s1n19AwEjgbt7Y0jwIg76Ao3YckzqLkiVNeP5Rgrgbv7r
Ff5dDZPrZ4RFdgo5zmkv5XGEwcsB1ttdtPgMWG3XiU9odzveQNa5ecjcE1+8a80y
JSurbnp+v4ScoVdDEQIDAQABo4ICDTCCAgkwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud
JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBTovTTu09uyxsDpBnyOVwqsWCHXCjAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm
H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v
LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAW
BgNVHREEDzANggtteXV3LnV3LmVkdTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQQG
CisGAQQB1nkCBAIEgfUEgfIA8AB3ANq2v2s/tbYin5vCu1xr6HCRcWy7UYSFNL2k
PTBI1/urAAABi0u6yB8AAAQDAEgwRgIhAMQ1oQ8GpXcPOhUvNSjnVilgDKu9Eq7D
IZRDpJ3fEsIOAiEArpH9lWoUAOUFfKuypN2ryL6fT7DGbUldtYAYb2VHVj8AdQDu
zdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAYtLushHAAAEAwBGMEQC
ID7nhlBNC/YDzzjtB6YY5rCf1SR9HvQecD91DIwfVbB7AiBBbwrjEP+kYfy4UphX
YFgmJ7c+MDu3xEFRE57su4zb/jANBgkqhkiG9w0BAQsFAAOCAQEALhjdVJ+kgJ9K
BzLGIX0Lu77PyvCxrDJQirmMXNiblE/skW0CmqyyMcWG+Yx8tKy3qi6WaHJ56mgt
VaD0hrnmvIP+4kaBd+6ySbzhdC6gFe6oXKWvyMM4Rtygs6uaoywk9KHxINP8rxa8
ld2AxsY0bP3dL4mSxNhQrOhoqjqJbhGy7RhFbd+IWlsnTeXX1vsapUdJh8HkLfmn
XYDanYrz+eqZj6JDrhu2cozHcC3MmMoaFmY74q7Y+ZpIoSOJIlrvC9uY2aKO3ugo
Awo52LKg3mTdDJu2EtSyDDcx6r3XFP5OmHSf14EuVtYF7j6OH0Ahp1O7hFc3qr0I
zZl2/hdcpA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzyjIBkAej/fQ34itaRBQ
pHreo55CsJG3i0RVxT9NeeVumJAzTiM6vKV2zSDHcejtb+k7KFjDFE7WTBMDUN1u
ZmLhxuYHbEhPAKp4i2a+uJFtqos0m6N2vj6v+pvlc/baIW0L1D4aRoY1QlcluRP6
ZeBXc5A885GiGxiB8ZajwB8Nz90b/bxf7Vh77HWp7jS/eRh8yWgM1lTMCkfkXO7t
FT6s1n19AwEjgbt7Y0jwIg76Ao3YckzqLkiVNeP5Rgrgbv7rFf5dDZPrZ4RFdgo5
zmkv5XGEwcsB1ttdtPgMWG3XiU9odzveQNa5ecjcE1+8a80yJSurbnp+v4ScoVdD
EQIDAQAB
-----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 308318007682393531300366859600498024183443
 . . . . . . . . [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 2023-10-20 05:16:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-18 05:16:52 +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 'myuw.uw.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 26151439158889440634772823342557575699626730585872262541494726023908869904136377817853026749636078557137898487351845224517161220406407852463077180032259447913205086760555989108570084713326346432701436076860882496725935091856260385355657760842633985279326395578525187192267850965433266673888011544657244143851255384835573194207101371991007705894009195948835941936896590405242831694122647104332161614921756629160479233952090144981135842278081949703531963612273924803933366827309461316660534232304730561243289245695520290850258933665329200531160020371871717237140641854546659663367869526984025520606401861410644227998481
 . . . . . . . . . . . . . . . . . . . . [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)
							e8bd34eed3dbb2c6c0e9067c8e570aac5821d70a
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'myuw.uw.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)
							00f0007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b4bbac81f0000040300483046022100c435a10f06a5770f3a152f3528e75629600cabbd12aec3219443a49ddf12c20e022100ae91fd956a1400e5057cabb2a4ddabc8be9f4fb0c66d495db580186f6547563f007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b4bbac847000004030046304402203ee786504d0bf603cf38ed07a618e6b09fd5247d1ef41e703f750c8c1f55b07b0220416f0ae310ffa461fcb852985760582627b73e303bb7c44151139eecbb8cdbfe
 . . . . [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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