1 files changed, 138 insertions, 0 deletions
diff --git a/src/Volume/Hash.cpp b/src/Volume/Hash.cpp
new file mode 100644
index 00000000..cca8cc6b
--- /dev/null
+++ b/src/Volume/Hash.cpp
@@ -0,0 +1,138 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "Hash.h"
+
+#include "Crypto/Rmd160.h"
+#include "Crypto/Sha1.h"
+#include "Crypto/Sha2.h"
+#include "Crypto/Whirlpool.h"
+
+namespace TrueCrypt
+{
+	HashList Hash::GetAvailableAlgorithms ()
+	{
+		HashList l;
+
+		l.push_back (shared_ptr <Hash> (new Ripemd160 ()));
+		l.push_back (shared_ptr <Hash> (new Sha512 ()));
+		l.push_back (shared_ptr <Hash> (new Whirlpool ()));
+		l.push_back (shared_ptr <Hash> (new Sha1 ()));
+
+		return l;
+	}
+
+	void Hash::ValidateDataParameters (const ConstBufferPtr &data) const
+	{
+		if (data.Size() < 1)
+			throw ParameterIncorrect (SRC_POS);
+	}
+
+	void Hash::ValidateDigestParameters (const BufferPtr &buffer) const
+	{
+		if (buffer.Size() != GetDigestSize ())
+			throw ParameterIncorrect (SRC_POS);
+	}
+
+	// RIPEMD-160
+	Ripemd160::Ripemd160 ()
+	{
+		Context.Allocate (sizeof (RMD160_CTX));
+		Init();
+	}
+
+	void Ripemd160::GetDigest (const BufferPtr &buffer)
+	{
+		if_debug (ValidateDigestParameters (buffer));
+		RMD160Final (buffer, (RMD160_CTX *) Context.Ptr());
+	}
+
+	void Ripemd160::Init ()
+	{
+		RMD160Init ((RMD160_CTX *) Context.Ptr());
+	}
+
+	void Ripemd160::ProcessData (const ConstBufferPtr &data)
+	{
+		if_debug (ValidateDataParameters (data));
+		RMD160Update ((RMD160_CTX *) Context.Ptr(), data.Get(), (int) data.Size());
+	}
+	
+	// SHA-1
+	Sha1::Sha1 ()
+	{
+		Deprecated = true;
+		Context.Allocate (sizeof (sha1_ctx));
+		Init();
+	}
+
+	void Sha1::GetDigest (const BufferPtr &buffer)
+	{
+		if_debug (ValidateDigestParameters (buffer));
+		sha1_end (buffer, (sha1_ctx *) Context.Ptr());
+	}
+
+	void Sha1::Init ()
+	{
+		sha1_begin ((sha1_ctx *) Context.Ptr());
+	}
+
+	void Sha1::ProcessData (const ConstBufferPtr &data)
+	{
+		if_debug (ValidateDataParameters (data));
+		sha1_hash (data.Get(), (int) data.Size(), (sha1_ctx *) Context.Ptr());
+	}
+
+	// SHA-512
+	Sha512::Sha512 ()
+	{
+		Context.Allocate (sizeof (sha512_ctx));
+		Init();
+	}
+
+	void Sha512::GetDigest (const BufferPtr &buffer)
+	{
+		if_debug (ValidateDigestParameters (buffer));
+		sha512_end (buffer, (sha512_ctx *) Context.Ptr());
+	}
+
+	void Sha512::Init ()
+	{
+		sha512_begin ((sha512_ctx *) Context.Ptr());
+	}
+
+	void Sha512::ProcessData (const ConstBufferPtr &data)
+	{
+		if_debug (ValidateDataParameters (data));
+		sha512_hash (data.Get(), (int) data.Size(), (sha512_ctx *) Context.Ptr());
+	}
+
+	// Whirlpool
+	Whirlpool::Whirlpool ()
+	{
+		Context.Allocate (sizeof (WHIRLPOOL_CTX));
+		Init();
+	}
+
+	void Whirlpool::GetDigest (const BufferPtr &buffer)
+	{
+		if_debug (ValidateDigestParameters (buffer));
+		WHIRLPOOL_finalize ((WHIRLPOOL_CTX *) Context.Ptr(), buffer);
+	}
+
+	void Whirlpool::Init ()
+	{
+		WHIRLPOOL_init ((WHIRLPOOL_CTX *) Context.Ptr());
+	}
+
+	void Whirlpool::ProcessData (const ConstBufferPtr &data)
+	{
+		if_debug (ValidateDataParameters (data));
+		WHIRLPOOL_add (data.Get(), (int) data.Size() * 8, (WHIRLPOOL_CTX *) Context.Ptr());
+	}
+}