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-rw-r--r--src/rand_stm32.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/rand_stm32.h b/src/rand_stm32.h
index 6f9ba3d..3e89ec3 100644
--- a/src/rand_stm32.h
+++ b/src/rand_stm32.h
@@ -4,6 +4,8 @@
#include <stdint.h>
#include <unistd.h>
+#define BLAKE2S_HASH_SIZE 32
+
void rand_init(void);
#endif