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Add ecdh_psa_shared_key flag to protect PSA privkey if imported

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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2022-03-23 10:57:04 +01:00
parent 5cd5f76d67
commit 8113d25d1e
3 changed files with 14 additions and 8 deletions
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3
library/ssl_tls.c
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@ -3146,7 +3146,8 @@ void mbedtls_ssl_handshake_free( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_ECDH_C) && \
( defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) )
psa_destroy_key( handshake->ecdh_psa_privkey );
if( handshake->ecdh_psa_shared_key == 0 )
psa_destroy_key( handshake->ecdh_psa_privkey );
#endif /* MBEDTLS_ECDH_C && MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)