tree fe75769107040f350e611c0bb4b4f5c340e1f861
parent 46937a9df622d1e9fb5b1e926a04176b8855fdce
author Michael Brown <mcb30@ipxe.org> 1724412336 +0100
committer Michael Brown <mcb30@ipxe.org> 1724417022 +0100

[crypto] Hold CMS message as a single ASN.1 object

Reduce the number of dynamic allocations required to parse a CMS
message by retaining the ASN.1 cursor returned from image_asn1() for
the lifetime of the CMS message.  This allows embedded ASN.1 cursors
to be used for parsed objects within the message, such as embedded
signatures.

Signed-off-by: Michael Brown <mcb30@ipxe.org>