Difference between revisions of "X.509"

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== See also ==
 
== See also ==
 
* {{X.509}}
 
* {{X.509}}
 +
* {{CSR}}
 
* {{TLS}}
 
* {{TLS}}
 
* {{CA}}
 
* {{CA}}

Revision as of 21:39, 21 February 2022

wikipedia:X.509 standard format for Public key certificate used in TLS.

Tools: openssl, keytool, certinfo (Cloudflare) https://github.com/cloudflare/cfssl/blob/master/certinfo/certinfo.go[1]


Examples

  • openssl x509 -inform pem -noout -text
  • openssl x509 -noout -text -in /path/to/your/cert.pem
  • keytool -printcert -file certificate.pem

Errors

  • Error response from daemon: Get https://URL/: x509: certificate signed by unknown authority

Security

  • ASN.1 and x509 parsers in the kernel have historically been quite problematic (CVE-2008-1673, CVE-2016-2053),

Activities


Related terms

See also

  • https://prefetch.net/blog/2019/12/10/converting-x509-certificates-to-json-objects/
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