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1 certificate file formats – ZyXEL Communications ZyXEL ZyWALL 2WG User Manual

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Chapter 15 Certificates

ZyWALL 2WG User’s Guide

306

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You must remove any spaces from the certificate’s filename before you can
import it.

15.8.1 Certificate File Formats

The certification authority certificate that you want to import has to be in one of these file
formats:

• Binary X.509: This is an ITU-T recommendation that defines the formats for X.509

certificates.

• PEM (Base-64) encoded X.509: This Privacy Enhanced Mail format uses 64 ASCII

characters to convert a binary X.509 certificate into a printable form.

• Binary PKCS#7: This is a standard that defines the general syntax for data (including

digital signatures) that may be encrypted. The ZyWALL currently allows the importation
of a PKS#7 file that contains a single certificate.

• PEM (Base-64) encoded PKCS#7: This Privacy Enhanced Mail (PEM) format uses 64

ASCII characters to convert a binary PKCS#7 certificate into a printable form.

• Binary PKCS#12: This is a format for transferring public key and private key certificates.

The private key in a PKCS #12 file is within a password-encrypted envelope. The file’s
password is not connected to your certificate’s public or private passwords. Exporting a
PKCS #12 file creates this and you must provide it to decrypt the contents when you
import the file into the ZyWALL.

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Be careful to not convert a binary file to text during the transfer process. It is
easy for this to occur since many programs use text files by default.