tree 28ad9ecfe3495d5668f3f360351ebdcb9c934c5c
parent 180f7bf60bcaae7c84cba6a28b4015cf780495e4
author Hanno Becker <hanno.becker@arm.com> 1551360238 +0000
committer Hanno Becker <hanno.becker@arm.com> 1561449986 +0100

Add public API to query for CRT frame and PK

This commit unconditionally adds two convenience API functions:
- mbedtls_x509_crt_get_frame()
- mbedtls_x509_crt_get_pk()
which allow users to extract a CRT frame or PK context
from a certificate.

The difference with the existing acquire/release API for frame and PK
contexts is that in contrast to the latter, the structures returned by
the new API are owned by the user (and, in case of the PK context, need
to be freed by him). This makes the API easier to use, but comes at the
cost of additional memory overhead.