tree b592b8ca66839479df20d0d964aec644e33d5916
parent a745c7d4398b22ceae1ce21bfbcb2fa2f7fab4d3
author Gilles Peskine <Gilles.Peskine@arm.com> 1656601300 +0200
committer Gilles Peskine <Gilles.Peskine@arm.com> 1656601300 +0200

Add setbuf platform function

Add a platform function mbedtls_setbuf(), defaulting to setbuf().

The intent is to allow disabling stdio buffering when reading or writing
files with sensitive data, because this exposes the sensitive data to a
subsequent memory disclosure vulnerability.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>