From 0f111bf1ea0e5310852c50448a7226db57e61d5b Mon Sep 17 00:00:00 2001
From: "Pavel V. Shatov (Meister)" <meisterpaul1@yandex.ru>
Date: Wed, 23 Oct 2019 17:03:17 +0300
Subject: Added demo driver code for STM32.

---
 stm32/modexpng_util.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 stm32/modexpng_util.h

(limited to 'stm32/modexpng_util.h')

diff --git a/stm32/modexpng_util.h b/stm32/modexpng_util.h
new file mode 100644
index 0000000..a209f31
--- /dev/null
+++ b/stm32/modexpng_util.h
@@ -0,0 +1,30 @@
+//
+// helper precomputation routines for the "modexpng" core
+//
+
+
+//
+// headers
+//
+#include <stdint.h>
+
+
+//
+// defined values
+//
+#define UINT32_BITS		(sizeof(uint32_t) << 3)
+#define UINT16_BITS		(sizeof(uint16_t) << 3)
+
+#define BUF_NUM_WORDS (4096/UINT32_BITS)
+
+
+//
+// prototypes
+//
+void _calc_montgomery_factor(uint32_t, const uint32_t *, uint32_t *);
+void _calc_modulus_coeff(uint32_t, const uint32_t *, uint32_t *);
+
+
+//
+// end-of-file
+//
-- 
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