Security

File Formats

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Electronic File Formats

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Security

Formats specific to the storage and transmission of security information. See also Encryption.

Digital Certificates

• ARM (ASCII Armor, old for base64)
• CER (Canonical Encoding Rules)
• CRL (Certificate Revocation List)
• CRT (Certificate File)
• CSR (Certificate Signing Request)
• DER (Distinguished Encoding Rules)
• KEY (Private Key)
• P7B (Cryptographic Message Syntax Standard (PKCS #7) Certificate)
• P7R (Cryptographic Message Syntax Standard (PKCS #7) Certificate)
• PEM (Privacy-enhanced Electronic Mail)
• P12 (Personal Information Exchange Format)
• PFX (Personal Information Exchange Format)
• SPC (Cryptographic Message Syntax Standard (PKCS #7) Certificate)
• SST (Microsoft Serialized Certificate Store)
• STL (Certificate Trust List)

References

• Various SSL/TLS Certificate File Types/Extensions (MSDN article)