.PUBLIC File Extension

Public Key File

General Information

Title Public File Extension
Extension .public
Full Form Public Key File
File Type Security File
Developer Various
MIME Type application/x-pkcs7-certificates

File Function

Primary Function Store public keys
Additional Functions Verify identity, Encrypt data
Features Non-confidential, Asymmetric encryption

File Characteristics

Quality High security
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Email Encryption Yes
Data Encryption Yes
Software Signing Yes

Security and Practices

Security Risks None inherent
Best Practices Key management, Regular updates

Historical/Version Information

Initial Release Varies by standard
Latest Version Dependent on software

Associated Types

Similar Extensions .pem, .key, .crt, .cer

Software Compatibility

Software Usage Policy OS Compatibility
GnuPG Free Windows, Mac, Linux
OpenSSL Free Windows, Mac, Linux, BSD, Solaris
Kleopatra Free Windows, Linux