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game/shared/cstrike15/playerdecals_signature.h

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+//========= Copyright <20> Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Player decals signature validation code
+//
+//=============================================================================//
+
+#ifndef PLAYERDECALS_SIGNATURE_H
+#define PLAYERDECALS_SIGNATURE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+//
+// We will be using RSA 1024-bit private signing key
+// PKCS1 signature length is guaranteed to be 128 bytes
+//
+#define PLAYERDECALS_SIGNATURE_VERSION 1
+#define PLAYERDECALS_SIGNATURE_BYTELEN 128
+
+#define PLAYERDECALS_NUMCHARGES 50
+
+#define PLAYERDECALS_UNITS_SIZE 48
+#define PLAYERDECALS_COOLDOWN_SECONDS 45
+
+#define PLAYERDECALS_DURATION_SOLID 240
+#define PLAYERDECALS_DURATION_FADE1  40
+#define PLAYERDECALS_DURATION_FADE2 120
+#define PLAYERDECALS_DURATION_APPLY 1.5f
+
+#define PLAYERDECALS_LIMIT_COUNT 100
+
+
+
+//
+// SECURITY INFORMATION: this file is included in DLLs that are
+// shipping to clients and to community gameservers with the intent
+// for those processes to verify signatures.
+// NEVER include/reference private key data in this header!
+// Private key must be used only on GC.
+//
+
+inline bool BClientPlayerDecalSignatureComposeSignBuffer( PlayerDecalDigitalSignature const &data, CUtlBuffer &buf )
+{
+	if ( data.endpos_size() != 3 ) return false;
+	for ( int k = 0; k < 3; ++ k ) buf.PutFloat( data.endpos( k ) );
+	if ( data.startpos_size() != 3 ) return false;
+	for ( int k = 0; k < 3; ++k ) buf.PutFloat( data.startpos( k ) );
+	if ( data.right_size() != 3 ) return false;
+	for ( int k = 0; k < 3; ++k ) buf.PutFloat( data.right( k ) );
+	if ( data.normal_size() != 3 ) return false;
+	for ( int k = 0; k < 3; ++k ) buf.PutFloat( data.normal( k ) );
+	
+	buf.PutInt( data.tx_defidx() );
+	buf.PutInt( data.tint_id() );
+	buf.PutInt( data.entindex() );
+	buf.PutInt( data.hitbox() );
+	
+	buf.PutFloat( data.creationtime() );
+
+	buf.PutUnsignedInt( data.accountid() );
+	buf.PutUnsignedInt( data.rtime() );
+	buf.PutUnsignedInt( data.trace_id() );
+
+	return true;
+}
+
+inline bool BValidateClientPlayerDecalSignature( PlayerDecalDigitalSignature const &data )
+{
+	CUtlBuffer bufData;
+	bufData.EnsureCapacity( PLAYERDECALS_SIGNATURE_BYTELEN );
+	if ( !BClientPlayerDecalSignatureComposeSignBuffer( data, bufData ) )
+		return false;
+
+	// Removed for partner depot
+	return true;
+}
+
+#endif // PLAYERDECALS_SIGNATURE_H