Fix build of v3.6 with unset MBEDTLS_DHM_C but MBEDTLS_USE_PSA_CRYPTO…

… set (fixes Mbed-TLS#9188) Avoid compiler warning about size comparison (like in commit 7910cdd): Clang builds fail, warning about comparing uint8_t to a size that may be >255. Signed-off-by: Michael Schuster <michael@schuster.ms>
misch7 · Jul 24, 2024 · 2d814cc · 2d814cc
1 parent 830d704
commit 2d814cc
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diff --git a/ChangeLog.d/fix-clang-psa-build-without-dhm.txt b/ChangeLog.d/fix-clang-psa-build-without-dhm.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix Clang compilation error when MBEDTLS_USE_PSA_CRYPTO is enabled
+     but MBEDTLS_DHM_C is disabled. Reported by Michael Schuster in #9188.
diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c
@@ -3921,7 +3921,7 @@ static int ssl_parse_client_key_exchange(mbedtls_ssl_context *ssl)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_status_t destruction_status = PSA_ERROR_CORRUPTION_DETECTED;
-        uint8_t ecpoint_len;
+        size_t ecpoint_len;
 
         mbedtls_ssl_handshake_params *handshake = ssl->handshake;