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Add note about support for buffer overlap

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Note that enabling MBEDTLS_PSA_COPY_CALLER_BUFFERS allows full buffer
overlap support, whereas without it, overlap support is reduced to that
documented in the function descriptions.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann 2023-12-14 16:14:41 +00:00
parent 9c97fda0ab
commit 93b2dc7853
1 changed files with 4 additions and 1 deletions
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5
include/mbedtls/config.h
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@ -1579,7 +1579,10 @@
* an untrusted party, for example where arguments to PSA calls are passed
* across a trust boundary.
*
* Note: Enabling this option increases memory usage and code size.
* \note Enabling this option increases memory usage and code size.
*
* \note Enabling this option enables full support for overlap of input and
* output buffers passed to PSA functions.
*/
#define MBEDTLS_PSA_COPY_CALLER_BUFFERS