Added SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 support

src/Nazara/Core/Hash/SHA1.cpp

@@ -0,0 +1,47 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Core/Hash/SHA1.hpp>
+#include <Nazara/Core/Hash/SHA/Internal.hpp>
+#include <Nazara/Core/Debug.hpp>
+
+NzHashSHA1::NzHashSHA1()
+{
+	m_state = new SHA_CTX;
+}
+
+NzHashSHA1::~NzHashSHA1()
+{
+	delete m_state;
+}
+
+void NzHashSHA1::Append(const nzUInt8* data, unsigned int len)
+{
+	SHA1_Update(m_state, data, len);
+}
+
+void NzHashSHA1::Begin()
+{
+	SHA1_Init(m_state);
+}
+
+NzHashDigest NzHashSHA1::End()
+{
+	nzUInt8 digest[SHA1_DIGEST_LENGTH];
+
+	SHA1_End(m_state, digest);
+
+	return NzHashDigest(GetHashName(), digest, SHA1_DIGEST_LENGTH);
+}
+
+unsigned int NzHashSHA1::GetDigestLength()
+{
+	return SHA1_DIGEST_LENGTH;
+}
+
+NzString NzHashSHA1::GetHashName()
+{
+	static NzString hashName = "SHA1";
+	return hashName;
+}