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X.509 Certificate Extractor
About X.509 certificates
X.509 certificates are digital certificates that use the X.509 standard for public key infrastructure (PKI). They are widely used for:
- HTTPS/TLS: SSL/TLS certificates for secure websites
- Code signing: Certificates for signing applications
- Email: S/MIME and digital signature certificates
- VPNs and authentication: Certificates for VPNs and smart cards
The PEM format is the most common encoding, identified by the headers
-----BEGIN CERTIFICATE-----.
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