SF files exist as 3 different types. Please find information about each of them below.
Type 1: Minecraft JAR Signature File
Revised text: Options icon for changing defaults apps. Update software to open .SF. Minecraft JAR Signature File format, current version supports latest. Search manufacturer website for SF updates. ...
General Information
| Title | SF File Extension |
| Extension | .sf |
| Full Form | Signature File |
| File Type | Security File |
| Developer | Mojang Studios |
| MIME Type | application/x-pkcs7-signature |
File Function
| Primary Function | Verify integrity |
| Additional Functions | Secure distribution |
| Features | Digital signatures, Authentication |
File Characteristics
| Quality | High security |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Game Modding | Yes |
| Software Distribution | Yes |
| Authentication | Yes |
Security and Practices
| Security Risks | Signature spoofing |
| Best Practices | Key management, Secure algorithms |
Historical/Version Information
| Initial Release | Around 2011 |
| Latest Version | Varies with game updates |
Associated Types
| Similar Extensions | .jar, .rsa, .gpg |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Minecraft |
Paid | Windows, Mac, Linux |
 Java Runtime Environment |
Free | Windows, Mac, Linux |
| Various Cryptographic Tools |
Free, Paid | Windows, Mac, Linux |
Type 2: IRCAM Sound File
SF is an audio file format developed by the Institut de Recherche et Coordination Acoustique / Musique in Paris. The format is used to store CSound audio samples. SF files are commonly 16-bit PCM, 32-...
General Information
| Title | SF File Extension |
| Extension | .sf |
| Full Form | SoundFile |
| File Type | Audio File |
| Developer | IRCAM |
| MIME Type | audio/x-ircam |
File Function
| Primary Function | Store audio data |
| Additional Functions | Preserve sound quality |
| Features | High fidelity, Multiple channels |
File Characteristics
| Quality | High fidelity |
| Supports Layers | No |
| Supports Transparency | N/A |
| Editable | Yes |
Use Cases
| Music Production | Yes |
| Audio Editing | Yes |
| Sound Research | Yes |
Security and Practices
| Security Risks | Low |
| Best Practices | Regular backups, Verify sources |
Historical/Version Information
| Initial Release | 1980s |
| Latest Version | Dependent on software |
Associated Types
| Similar Extensions | .wav, .aiff, .mp3 |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Audacity |
Free | Windows, Mac, Linux |
| IRCAM AudioSculpt |
Paid | Mac |
 Adobe Audition |
Subscription | Windows, Mac |
Type 3: APK Digital Signature
The MANIFEST.MF file contains a list of all files in the APK. The CERT.SF file contains copies of MANIFEST.MF sections for verifying the app. The CERT.RSA file contains the certificate to verify CERT....
General Information
| Title | SF File Extension |
| Extension | .sf |
| Full Form | Signature File |
| File Type | Security File |
| Developer | Oracle Corporation |
| MIME Type | application/pgp-signature |
File Function
| Primary Function | Store signature |
| Additional Functions | Verify integrity, Authenticate APK |
| Features | Digital signature, SHA-1 digest |
File Characteristics
| Quality | Standardized |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| App Distribution | Yes |
| Software Publishing | Yes |
| Code Signing | Yes |
Security and Practices
| Security Risks | Signature spoofing |
| Best Practices | Key management, Time-stamping |
Historical/Version Information
| Initial Release | Java 1.2 (1998) |
| Latest Version | Dependent on JDK version |
Associated Types
| Related Files | .rsa, .dsa, .ec, .apk, .jar |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| JAR Signer |
Bundled with JDK | Windows, Mac, Linux |
| APK Signer |
Free | Windows, Mac, Linux |
 OpenSSL |
Free | Windows, Mac, Linux, BSD, Solaris |