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Diffstat (limited to 'lib/libmbedtls/include/mbedtls_config_kernel.h')
-rw-r--r--lib/libmbedtls/include/mbedtls_config_kernel.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/libmbedtls/include/mbedtls_config_kernel.h b/lib/libmbedtls/include/mbedtls_config_kernel.h
index bb7b3787..7a803d61 100644
--- a/lib/libmbedtls/include/mbedtls_config_kernel.h
+++ b/lib/libmbedtls/include/mbedtls_config_kernel.h
@@ -63,6 +63,11 @@
#define MBEDTLS_CIPHER_C
#endif
+#if defined(CFG_CRYPTO_RSA) || defined(CFG_CRYPTO_DSA) || \
+ defined(CFG_CRYPTO_DH) || defined(CFG_CRYPTO_ECC)
+#define MBEDTLS_BIGNUM_C
+#endif
+
#endif /*CFG_CRYPTOLIB_NAME_mbedtls*/
#include <mbedtls/check_config.h>