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Diffstat (limited to 'lib/mbedtls/mbedtls_def_config.h')
-rw-r--r--lib/mbedtls/mbedtls_def_config.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/mbedtls/mbedtls_def_config.h b/lib/mbedtls/mbedtls_def_config.h
index 1d2314e90e4..fd440c392f9 100644
--- a/lib/mbedtls/mbedtls_def_config.h
+++ b/lib/mbedtls/mbedtls_def_config.h
@@ -56,6 +56,10 @@
#endif
#endif
+#if CONFIG_IS_ENABLED(HKDF_MBEDTLS)
+#define MBEDTLS_HKDF_C
+#endif
+
#if defined CONFIG_MBEDTLS_LIB_X509
#if CONFIG_IS_ENABLED(X509_CERTIFICATE_PARSER)