tree 5f413b08832a753789ed8c2a35e3a0eb75719138
parent 26b7c93d9d5d73aa4d586b41ddb79cc32243e6fd
author Yanray Wang <yanray.wang@arm.com> 1691737431 +0800
committer Yanray Wang <yanray.wang@arm.com> 1691742629 +0800

pkwrite.c: save stack usage for pk_write_pubkey_pem

mbedtls_pk_write_pubkey_pem would allocate 2086 bytes in writing a DER
encoded RSA public key. To save stack usage significantly, we use
heap memory instead.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>