Issued by Autoridade Certificadora do SERPRO Final v4

About this certificate

This digital certificate with serial number 12:e0:4b was issued on by ICP-Brasil .

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.

Cerificate errors/warnings *beta

  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set
  • ERROR: Certificate doesn't contain any subjectAltName
  • ERROR: Certificate CN is not listed in subjectAltName


Organization: ICP-Brasil
Organization unit: Equipamento A1
Organization unit: ARSERPRO
Organization unit: Autoridade Certificadora SERPROACF
Country: BR


Organization: ICP-Brasil
Organization unit: CSPB-1
Organization unit: Servico Federal de Processamento de Dados - SERPRO
Country: BR

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 12:e0:4b
Serial Number (int): 1237067
Serial Number lenght: 21 bits, 3 octets

AuthorityKeyId: 64:db:67:5b:b3:95:17:52:84:89:b4:ef:67:20:b0:08:89:7c:07:71

Fingerprint (sha1): 44:a4:ca:a8:4b:8e:8c:6d:ce:a3:01:f0:8a:5d:2b:aa:2c:90:55:33
Fingerprint (sha256): a9:75:42:2b:ed:b4:43:f8:65:c4:9f:ce:75:9e:83:a0:7a:59:f4:a6:59:bf:5a:1f:b2:77:aa:8b:c0:4e:52:91

Issuing Certificate URL:

Revocation information

CRL Distribution Point:
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DNS Names
Email Addresses
IP Addresses

Advanced Certificate Properties

Technical details about this certificate

Public Key Algorithm


Key Size


Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Content Commitment
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication


7 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names