| Filename extension | .p7b, .p7s, .p7m, .p7c, .p7r |
|---|---|
| Developed by | RSA Security |
| Latest release | 1.5 1 March 1998 |
| Type of format | Archive file format |
| Container for | X.509 public key certificates, X.509 CRLs |
In cryptography, PKCS #7 ("PKCS #7: Cryptographic Message Syntax", "CMS") is a standard syntax for storing signed and/or encrypted data. PKCS #7 is one of the family of standards called Public-Key Cryptography Standards (PKCS) created by RSA Laboratories.