Properly vendor TOTP-MCU temporarily

movement/lib/TOTP-MCU/sha1.h

@@ -0,0 +1,25 @@
+#include <inttypes.h>
+
+#define HASH_LENGTH 20
+#define BLOCK_LENGTH 64
+
+union _buffer {
+  uint8_t b[BLOCK_LENGTH];
+  uint32_t w[BLOCK_LENGTH/4];
+} buffer;
+union _state {
+  uint8_t b[HASH_LENGTH];
+  uint32_t w[HASH_LENGTH/4];
+} state;
+
+uint8_t bufferOffset;
+uint32_t byteCount;
+uint8_t keyBuffer[BLOCK_LENGTH];
+uint8_t innerHash[HASH_LENGTH];
+
+void init(void);
+void initHmac(const uint8_t* secret, uint8_t secretLength);
+uint8_t* result(void);
+uint8_t* resultHmac(void);
+void write(uint8_t);
+void writeArray(uint8_t *buffer, uint8_t size);