PKCS7
From Just Solve the File Format Problem
PKCS #7 (PKCS7, Cryptographic Message Syntax Standard) defines standard formats for messages secured using public-key cryptography. S/MIME, a format for secure email messages, is based in part on PKCS7.
As of version 1.5, PKCS7 defines six content types:
- Data
- Signed data
- Enveloped data
- Signed-and-enveloped data
- Digested data
- Encrypted data
See also
Specifications
- RFC 2315: PKCS #7: Cryptographic Message Syntax, Version 1.5
