Reorganizing library structure, prep for 2.0.0

2016-07-09 21:17:37 +02:00
parent 4811eb5573
commit ba6bb915c2
1020 changed files with 5 additions and 143645 deletions
@@ -0,0 +1,41 @@
+// This code is taken from https://github.com/Cathedrow/Cryptosuite (Peter Knight) and is lightly modified for MySensors use
+#ifndef Sha256_h
+#define Sha256_h
+#if !DOXYGEN
+#include <inttypes.h>
+
+#define HASH_LENGTH 32
+#define BLOCK_LENGTH 64
+
+union _buffer {
+  uint8_t b[BLOCK_LENGTH];
+  uint32_t w[BLOCK_LENGTH/4];
+};
+union _state {
+  uint8_t b[HASH_LENGTH];
+  uint32_t w[HASH_LENGTH/4];
+};
+
+class Sha256Class
+{
+  public:
+    void init(void);
+    void initHmac(const uint8_t* secret, int secretLength);
+    uint8_t* result(void);
+    uint8_t* resultHmac(void);
+    void write(uint8_t);
+  private:
+    void pad();
+    void addUncounted(uint8_t data);
+    void hashBlock();
+    uint32_t ror32(uint32_t number, uint8_t bits);
+    _buffer buffer;
+    uint8_t bufferOffset;
+    _state state;
+    uint32_t byteCount;
+    uint8_t keyBuffer[BLOCK_LENGTH];
+    uint8_t innerHash[HASH_LENGTH];
+};
+
+#endif
+#endif