alfa.central-servicos.ufv.br

Issued by R3

About this certificate

This digital certificate with serial number 03:c1:83:9b:d1:2f:fb:ed:0b:1a:27:c2:bc:b3:78:5a:47:cc was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=alfa.central-servicos.ufv.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:c1:83:9b:d1:2f:fb:ed:0b:1a:27:c2:bc:b3:78:5a:47:cc
Serial Number (int): 327186292527308058372618279162267926415308
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9c:79:e1:4c:dc:3a:0d:32:3e:7d:f3:00:4f:ff:53:5d:28:19:f6:82
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7e:92:fc:59:69:c4:19:27:03:ae:12:14:51:90:6e:4f:14:b1:6e:21
Fingerprint (sha256): 1c:dd:d3:57:3a:ad:23:5d:f0:09:3c:45:6d:99:dd:3b:e0:95:82:28:cf:50:a7:2e:ac:f8:89:e3:d3:98:6d:f1

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

Revocation information

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

Check the revocation status for certificate alfa.central-servicos.ufv.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alfa.central-servicos.ufv.br

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

alfa.central-servicos.ufv.br

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Certificate

The complete raw certificate details for alfa.central-servicos.ufv.br in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAto7+vI2d9/GhGXDP+nN7
fy2DPKMPjhbThYhaX8cYqL+B7cm5Leg81HNqLwx7APzE2Qks24AfUZ6v+8Ks/VS3
3PFWT12UElamE1/G0jNtpnxncrj+AgeV/GRBioNnOnGKahiR+d+kT5sgFSSuAdcX
W8N46w3uSLwuoeO9/mUd41xT7Gh3rP55kF91+WyZ61psPOUZtjjzZ7gdzEqkdUKb
b6xal7QIqTvU7gZJgUg3t1xGp4zGHIz9RGJ+zNZtxbH5nAwuSo+ARKCWTvOl0c0z
t9Kc5CVag+e7Ed3Ox7vBD9ovPAvMtC2QFbtvMCb/8B0hfAlsVTQHMojOApPzwLji
+wIDAQAB
-----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 327186292527308058372618279162267926415308
 . . . . . . . . [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 2024-04-02 21:13:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-01 21:13:46 +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 'alfa.central-servicos.ufv.br'
 . . . . . . . . [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 23045884998247591816956589377875859475290565273881235912988228079827346106093561700860138331950231031098930524743989563570367246007265866942253849783290396916844367372168687734208734151294334469698554628356507703661984160610042794231289303388009102101770262055103955651966373364108209959255869169428081726791627448353604198326670772184805467936034188360522153850837140671780208539934168330600638297841885117443880160365558955594538799465106461583719621607934057825568465189019605352281540328602449773014266680622124936431085550478707525474927663506130080462756666699382656573082896781413420315662987470047692138799867
 . . . . . . . . . . . . . . . . . . . . [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)
							9c79e14cdc3a0d323e7df3004fff535d2819f682
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alfa.central-servicos.ufv.br'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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