Diff: SHA2_32.h

Revision:

0:7a1237bd2d13

Child:

5:06cd9c8afa0b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SHA2_32.h	Sat Sep 07 23:47:28 2013 +0000
@@ -0,0 +1,40 @@
+#ifndef SHA2_32_H
+#define SHA2_32_H
+
+#include <stdint.h>
+
+enum SHA_32_TYPE
+{
+    SHA_224,
+    SHA_256
+};
+
+class SHA2_32
+{
+    public :
+    
+        SHA2_32(SHA_32_TYPE type);
+        void add(uint8_t *in, uint32_t length);
+        void computeDigest(uint8_t *digest);
+        static void computeDigest(SHA_32_TYPE type, uint8_t *digest, uint8_t *in, uint32_t length);
+        
+    private : 
+    
+        static void computeBlock(uint32_t *h02, 
+                                 uint32_t *h12, 
+                                 uint32_t *h22, 
+                                 uint32_t *h32, 
+                                 uint32_t *h42, 
+                                 uint32_t *h52, 
+                                 uint32_t *h62,
+                                 uint32_t *h72,
+                                 uint8_t *buffer);
+
+        SHA_32_TYPE type;
+        uint32_t h0, h1, h2, h3, h4, h5, h6, h7;
+        uint32_t totalBufferLength;
+        uint8_t buffer[64];
+        uint8_t bufferLength;   
+};
+
+#endif