P7A

PKCS #7 signature
File type: Encoded and encrypted file
A p7a file extension is associated with the PKCS #7 signature data.
What is p7a file?
File type category:
Encoded and encrypted file
Date updated: November 7, 2017
The p7a file extension is related to the PKCS #7 signature data.
S/MIME (Secure/Multipurpose Internet Mail Extensions) provides a consistent way to send and receive secure MIME data.
Based on the popular Internet MIME standard, S/MIME provides the following cryptographic security services for electronic messaging applications: authentication, message integrity and non-repudiation of origin (using digital signatures) and privacy and data security (using encryption).
Mime types:
application/x-pkcs7-signature
Suggested software to open p7a file:
Associated software actions with the p7a file
Software applications that handle other tasks involving p7a files:
OpenSSL (Multiplatform)