1 files changed, 22 insertions, 0 deletions
diff --git a/lib/liboqs/src/sig/dilithium/pqcrystals-dilithium_dilithium2_ref/reduce.h b/lib/liboqs/src/sig/dilithium/pqcrystals-dilithium_dilithium2_ref/reduce.h
new file mode 100644
index 000000000..26d9b4ee2
--- /dev/null
+++ b/lib/liboqs/src/sig/dilithium/pqcrystals-dilithium_dilithium2_ref/reduce.h
@@ -0,0 +1,22 @@
+#ifndef REDUCE_H
+#define REDUCE_H
+
+#include <stdint.h>
+#include "params.h"
+
+#define MONT -4186625 // 2^32 % Q
+#define QINV 58728449 // q^(-1) mod 2^32
+
+#define montgomery_reduce DILITHIUM_NAMESPACE(montgomery_reduce)
+int32_t montgomery_reduce(int64_t a);
+
+#define reduce32 DILITHIUM_NAMESPACE(reduce32)
+int32_t reduce32(int32_t a);
+
+#define caddq DILITHIUM_NAMESPACE(caddq)
+int32_t caddq(int32_t a);
+
+#define freeze DILITHIUM_NAMESPACE(freeze)
+int32_t freeze(int32_t a);
+
+#endif