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Certificate File Format Supported on Mac

Q

Which certificate file format should I use when exporting a certificate on Mac computer? What is the "Certificate Bundle (.p7b)" format?

✍: FYIcenter.com

A

When exporting a certificate from Keychain Access to a file, it offers 3 certificate file formats for you:

  • "Certificate (.cer)" - This format uses the DER (Distinguished Encoding Rules) encoding to store certificate content as a binary file.
  • "Privacy Enhanced Mail (.pem)" - This format uses DER algorithm to encode the certificate first. The output is then Base64 encoded into printable characters and stored as a text file.
  • "Certificate Bundle (.p7b)" - This format uses the PKCS#7 (Public-Key Cryptography Standards #7) algorithm to store certificate content as a binary file. It is capable to store a chain of multiple certificates into a single file.
Keychain Access - Certificate File Formats Supported
Keychain Access - Certificate File Formats Supported

 

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2021-11-30, 2722🔥, 0💬

Android Apple Mac DH Keys DSA Keys EC Keys Firefox General Google Chrome IE (Internet Explorer) Intermediate CA Java VM JDK Keytool Microsoft CertUtil Microsoft Edge Mozilla CertUtil OpenSSL Other Portecle Publishers Revoked Certificates Root CA RSA Keys Tools Tutorial What Is Windows