.RSA File Extension

RSA files exist as 2 different types. Please find information about each of them below.

Type 1: RSA Certificate File

File with RSA extension used for storing RSA digital certificates. RSA is cryptographic algorithm used for data encryption and certificates. RSA files store certificate that enables secure communicati...

General Information

Title RSA Certificate File
Extension .rsa
Full Form RSA Public Key Certificate
File Type Security Certificate File
Developer RSA Security LLC
MIME Type application/x-pkcs7

File Function

Primary Function Store Public Key
Additional Functions Secure Communications
Features Asymmetric Encryption, Digital Signatures

File Characteristics

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

Use Cases

Secure Email Yes
SSH Authentication Yes
Code Signing Yes
SSL/TLS Encryption Yes

Security and Practices

Security Risks Private Key Exposure
Best Practices Strong Passphrases, Secure Storage

Historical/Version Information

Initial Release 1970s
Latest Standards PKCS #1, PKCS #7

Associated Types

Similar Extensions .pem, .der, .crt, .key

Software Compatibility

Software Usage Policy OS Compatibility
OpenSSL Free Windows, Mac, Linux, BSD
PuTTYgen Free Windows
Keychain Access (Mac) Free Mac

Type 2: Minecraft JAR Codesign File

General Information

Title RSA File Extension
Extension .rsa
Full Form Minecraft JAR Codesign File
File Type Security Certificate File
Developer Mojang Studios
MIME Type application/x-pkcs7-signature

File Function

Primary Function Verify authenticity
Additional Functions Secure Minecraft JARs
Features Digital signature, Security

File Characteristics

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

Use Cases

Game Modding Yes
Software Security Yes
Distribution Yes

Security and Practices

Security Risks Certificate spoofing
Best Practices Private key security, Trusted certificates

Historical/Version Information

Initial Release N/A
Latest Version N/A

Associated Types

Similar Extensions .sf, .mf, .cer, .der

Software Compatibility

Software Usage Policy OS Compatibility
Minecraft Paid Windows, Mac, Linux
Java Runtime Environment Free Windows, Mac, Linux
Various Code Signing Tools Varies Varies