openflow build environment setup

openflow/include/md5.h

@@ -0,0 +1,46 @@
+#ifndef __MD5_H__
+#define __MD5_H__  
+   
+typedef struct  
+{  
+	unsigned int count[2];  
+	unsigned int state[4];  
+	unsigned char buffer[64];     
+}MD5_CTX;  
+   
+						   
+#define F(x,y,z) ((x & y) | (~x & z))  
+#define G(x,y,z) ((x & z) | (y & ~z))  
+#define H(x,y,z) (x^y^z)  
+#define I(x,y,z) (y ^ (x | ~z))  
+#define ROTATE_LEFT(x,n) ((x << n) | (x >> (32-n)))  
+
+#define FF(a,b,c,d,x,s,ac){ \
+		a += F(b,c,d) + x + ac; \
+		a = ROTATE_LEFT(a,s); \
+		a += b; \
+		  }  
+#define GG(a,b,c,d,x,s,ac){ \
+		a += G(b,c,d) + x + ac; \
+		a = ROTATE_LEFT(a,s); \
+		a += b; \
+		}  
+#define HH(a,b,c,d,x,s,ac){ \
+		a += H(b,c,d) + x + ac; \
+		a = ROTATE_LEFT(a,s); \
+		a += b; \
+		}  
+#define II(a,b,c,d,x,s,ac){ \
+		a += I(b,c,d) + x + ac; \
+		a = ROTATE_LEFT(a,s); \
+		a += b; \
+		}                                              
+
+void MD5Init(MD5_CTX *context);  
+void MD5Update(MD5_CTX *context,unsigned char *input,unsigned int inputlen);  
+void MD5Final(MD5_CTX *context,unsigned char digest[16]);  
+void MD5Transform(unsigned int state[4],unsigned char block[64]);  
+void MD5Encode(unsigned char *output,unsigned int *input,unsigned int len);  
+void MD5Decode(unsigned int *output,unsigned char *input,unsigned int len);  
+   
+#endif  //__MD5_H__