From 417994ca6ae232c9a9be3e61c5f873f54f6a22ef Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Mon, 20 Jul 2015 01:15:35 -0400
Subject: [PATCH] Cleared signed/unsigned warnings under Visual Studio.

---
 arc4.cpp     | 18 +++++++++---------
 ida.cpp      |  4 ++--
 oaep.cpp     |  2 +-
 validat1.cpp |  2 +-
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arc4.cpp b/arc4.cpp
index b5c27309..2062ba11 100644
--- a/arc4.cpp
+++ b/arc4.cpp
@@ -32,12 +32,12 @@ void ARC4_Base::UncheckedSetKey(const byte *key, unsigned int keyLen, const Name
 
 	unsigned int i;
 	for (i=0; i<256; i++)
-		m_state[i] = i;
+		m_state[i] = byte(i);
 
 	unsigned int keyIndex = 0, stateIndex = 0;
 	for (i=0; i<256; i++)
 	{
-		unsigned int a = m_state[i];
+		byte a = m_state[i];
 		stateIndex += key[keyIndex] + a;
 		stateIndex &= 0xff;
 		m_state[i] = m_state[stateIndex];
@@ -53,9 +53,9 @@ void ARC4_Base::UncheckedSetKey(const byte *key, unsigned int keyLen, const Name
 template <class T>
 static inline unsigned int MakeByte(T &x, T &y, byte *s)
 {
-	unsigned int a = s[x];
+	byte a = s[x];
 	y = (y+a) & 0xff;
-	unsigned int b = s[y];
+	byte b = s[y];
 	s[x] = b;
 	s[y] = a;
 	x = (x+1) & 0xff;
@@ -65,7 +65,7 @@ static inline unsigned int MakeByte(T &x, T &y, byte *s)
 void ARC4_Base::GenerateBlock(byte *output, size_t size)
 {
 	while (size--)
-		*output++ = MakeByte(m_x, m_y, m_state);
+		*output++ = (byte)MakeByte(m_x, m_y, m_state);
 }
 
 void ARC4_Base::ProcessData(byte *outString, const byte *inString, size_t length)
@@ -93,8 +93,8 @@ void ARC4_Base::ProcessData(byte *outString, const byte *inString, size_t length
 		while(--length);
 	}
 
-	m_x = x;
-	m_y = y;
+	m_x = byte(x);
+	m_y = byte(y);
 }
 
 void ARC4_Base::DiscardBytes(size_t length)
@@ -112,8 +112,8 @@ void ARC4_Base::DiscardBytes(size_t length)
 	}
 	while(--length);
 
-	m_x = x;
-	m_y = y;
+	m_x = byte(x);
+	m_y = byte(y);
 }
 
 }
diff --git a/ida.cpp b/ida.cpp
index 37296a5d..a20685b2 100644
--- a/ida.cpp
+++ b/ida.cpp
@@ -379,7 +379,7 @@ size_t PaddingRemover::Put2(const byte *begin, size_t length, int messageEnd, bo
 
 	if (m_possiblePadding)
 	{
-		size_t len = find_if(begin, end, bind2nd(not_equal_to<byte>(), 0)) - begin;
+		size_t len = find_if(begin, end, bind2nd(not_equal_to<byte>(), byte(0))) - begin;
 		m_zeroCount += len;
 		begin += len;
 		if (begin == end)
@@ -400,7 +400,7 @@ size_t PaddingRemover::Put2(const byte *begin, size_t length, int messageEnd, bo
 #else
 	typedef reverse_iterator<const byte *> RevIt;
 #endif
-	const byte *x = find_if(RevIt(end), RevIt(begin), bind2nd(not_equal_to<byte>(), 0)).base();
+	const byte *x = find_if(RevIt(end), RevIt(begin), bind2nd(not_equal_to<byte>(), byte(0))).base();
 	if (x != begin && *(x-1) == 1)
 	{
 		AttachedTransformation()->Put(begin, x-begin-1);
diff --git a/oaep.cpp b/oaep.cpp
index 1d474be5..3b17f0b0 100644
--- a/oaep.cpp
+++ b/oaep.cpp
@@ -81,7 +81,7 @@ DecodingResult OAEP_Base::Unpad(const byte *oaepBlock, size_t oaepBlockLen, byte
 	// DB = pHash' || 00 ... || 01 || M
 	byte *M = std::find(maskedDB+hLen, maskedDB+dbLen, 0x01);
 	invalid = (M == maskedDB+dbLen) || invalid;
-	invalid = (std::find_if(maskedDB+hLen, M, std::bind2nd(std::not_equal_to<byte>(), 0)) != M) || invalid;
+	invalid = (std::find_if(maskedDB+hLen, M, std::bind2nd(std::not_equal_to<byte>(), byte(0))) != M) || invalid;
 	invalid = !pHash->VerifyDigest(maskedDB, encodingParameters.begin(), encodingParameters.size()) || invalid;
 
 	if (invalid)
diff --git a/validat1.cpp b/validat1.cpp
index 75d7db06..30c64c35 100644
--- a/validat1.cpp
+++ b/validat1.cpp
@@ -1287,7 +1287,7 @@ bool ValidateBaseCode()
 	bool pass = true, fail;
 	byte data[255];
 	for (unsigned int i=0; i<255; i++)
-		data[i] = i;
+		data[i] = byte(i);
 	static const char *hexEncoded = 
 "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F2021222324252627"
 "28292A2B2C2D2E2F303132333435363738393A3B3C3D3E3F404142434445464748494A4B4C4D4E4F"