Fix building built-in hashes on Windows (#258)

Author: marty1885

trantor/utils/crypto/md5.h

@@ -16,8 +16,13 @@
 #define MD5_BLOCK_SIZE 16  // MD5 outputs a 16 byte digest
 
 /**************************** DATA TYPES ****************************/
+
+#ifndef _WIN32
 typedef unsigned char BYTE;  // 8-bit byte
 typedef unsigned int WORD;  // 32-bit word, change to "long" for 16-bit machines
+#else
+#include <Windows.h>
+#endif
 
 typedef struct
 {

trantor/utils/crypto/sha1.cc

@@ -38,9 +38,10 @@ A million repetitions of "a"
 #define BIG_ENDIAN 4321    /* most-significant byte first (IBM, net) */
 #define PDP_ENDIAN 3412    /* LSB first in word, MSW first in long (pdp)*/
 
-#if defined(vax) || defined(ns32000) || defined(sun386) ||      \
-    defined(__i386__) || defined(MIPSEL) || defined(_MIPSEL) || \
-    defined(BIT_ZERO_ON_RIGHT) || defined(__alpha__) || defined(__alpha)
+#if defined(vax) || defined(ns32000) || defined(sun386) ||                  \
+    defined(__i386__) || defined(MIPSEL) || defined(_MIPSEL) ||             \
+    defined(BIT_ZERO_ON_RIGHT) || defined(__alpha__) || defined(__alpha) || \
+    defined(__CYGWIN32__) || defined(_WIN64) || defined(_WIN32)
 #define BYTE_ORDER LITTLE_ENDIAN
 #endif
 
@@ -113,6 +114,10 @@ A million repetitions of "a"
 
 /* Hash a single 512-bit block. This is the core of the algorithm. */
 
+#ifdef _WIN32
+using u_int32_t = uint32_t;
+#endif
+
 void TrantorSHA1Transform(u_int32_t state[5], const unsigned char buffer[64])
 {
     u_int32_t a, b, c, d, e;
@@ -247,12 +252,10 @@ void TrantorSHA1Init(SHA1_CTX* context)
 
 /* Run your data through this. */
 
-void TrantorSHA1Update(SHA1_CTX* context,
-                       const unsigned char* data,
-                       u_int32_t len)
+void TrantorSHA1Update(SHA1_CTX* context, const unsigned char* data, size_t len)
 {
-    u_int32_t i;
-    u_int32_t j;
+    size_t i;
+    size_t j;
 
     j = context->count[0];
     if ((context->count[0] += len << 3) < j)

trantor/utils/crypto/sha1.h

@@ -9,16 +9,18 @@ Last modified by Martin Chang for the Trantor project
 
 #pragma once
 
+#include <stdint.h>
+
 typedef struct
 {
-    u_int32_t state[5];
-    u_int32_t count[2];
+    uint32_t state[5];
+    size_t count[2];
     unsigned char buffer[64];
 } SHA1_CTX;
 
-void TrantorSHA1Transform(u_int32_t state[5], const unsigned char buffer[64]);
+void TrantorSHA1Transform(uint32_t state[5], const unsigned char buffer[64]);
 void TrantorSHA1Init(SHA1_CTX* context);
 void TrantorSHA1Update(SHA1_CTX* context,
                        const unsigned char* data,
-                       u_int32_t len);
+                       size_t len);
 void TrantorSHA1Final(unsigned char digest[20], SHA1_CTX* context);

trantor/utils/crypto/sha256.h

@@ -10,14 +10,21 @@
 #define SHA256_H
 
 /*************************** HEADER FILES ***************************/
+#ifndef _WIN32
 #include <stddef.h>
+#else
+#include <Windows.h>
+#endif
 
 /****************************** MACROS ******************************/
 #define SHA256_BLOCK_SIZE 32  // SHA256 outputs a 32 byte digest
 
 /**************************** DATA TYPES ****************************/
+
+#ifndef _WIN32
 typedef unsigned char BYTE;  // 8-bit byte
 typedef unsigned int WORD;  // 32-bit word, change to "long" for 16-bit machines
+#endif
 
 typedef struct
 {