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https://github.com/VCMP-SqMod/SqMod.git
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95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
// ------------------------------------------------------------------------------------------------
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#include "Library/Crypt/Hash.hpp"
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#include "Base/Shared.hpp"
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#include "Base/Stack.hpp"
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// ------------------------------------------------------------------------------------------------
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#include <crc32.h>
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#include <keccak.h>
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#include <md5.h>
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#include <sha1.h>
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#include <sha256.h>
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#include <sha3.h>
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// ------------------------------------------------------------------------------------------------
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#include <cstdlib>
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#include <cstring>
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// ------------------------------------------------------------------------------------------------
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namespace SqMod {
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/* ------------------------------------------------------------------------------------------------
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* Utility to avoid creating encoder instances for each call.
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*/
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template < class T > struct BaseHash
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{
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static T Algo;
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};
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// ------------------------------------------------------------------------------------------------
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template < class T > T BaseHash< T >::Algo;
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/* ------------------------------------------------------------------------------------------------
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* Hash the specified value or the result of a formatted string.
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*/
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template < class T > static SQInteger HashF(HSQUIRRELVM vm)
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{
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// Attempt to retrieve the value from the stack as a string
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StackStrF val(vm, 2);
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// Have we failed to retrieve the string?
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if (SQ_FAILED(val.mRes))
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{
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return val.mRes; // Propagate the error!
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}
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// Forward the call to the actual implementation and store the string
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String str(BaseHash< T >::Algo(val.mPtr));
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// Push the string on the stack
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sq_pushstring(vm, str.data(), str.size());
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// At this point we have a valid string on the stack
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return 1;
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}
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// ================================================================================================
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template < class T > static void RegisterWrapper(Table & hashns, CCStr cname)
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{
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typedef HashWrapper< T > Hash;
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hashns.Bind(cname, Class< Hash >(hashns.GetVM(), cname)
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// Constructors
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.Ctor()
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// Metamethods
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.Func(_SC("_tostring"), &Hash::ToString)
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// Properties
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.Prop(_SC("Hash"), &Hash::GetHash)
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// Functions
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.Func(_SC("Reset"), &Hash::Reset)
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.Func(_SC("Compute"), &Hash::Compute)
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.Func(_SC("GetHash"), &Hash::GetHash)
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.Func(_SC("Add"), &Hash::AddStr)
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.Func(_SC("AddStr"), &Hash::AddStr)
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);
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}
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// ================================================================================================
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void Register_Hash(HSQUIRRELVM vm)
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{
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Table hashns(vm);
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RegisterWrapper< CRC32 >(hashns, _SC("CRC32"));
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RegisterWrapper< Keccak >(hashns, _SC("Keccak"));
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RegisterWrapper< MD5 >(hashns, _SC("MD5"));
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RegisterWrapper< SHA1 >(hashns, _SC("SHA1"));
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RegisterWrapper< SHA256 >(hashns, _SC("SHA256"));
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RegisterWrapper< SHA3 >(hashns, _SC("SHA3"));
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hashns.SquirrelFunc(_SC("GetCRC32"), &HashF< CRC32 >);
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hashns.SquirrelFunc(_SC("GetKeccak"), &HashF< Keccak >);
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hashns.SquirrelFunc(_SC("GetMD5"), &HashF< MD5 >);
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hashns.SquirrelFunc(_SC("GetSHA1"), &HashF< SHA1 >);
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hashns.SquirrelFunc(_SC("GetSHA256"), &HashF< SHA256 >);
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hashns.SquirrelFunc(_SC("GetSHA3"), &HashF< SHA3 >);
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RootTable(vm).Bind(_SC("SqHash"), hashns);
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}
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} // Namespace:: SqMod
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