SNAP Library, Developer Reference  2012-10-15 15:06:59
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md5.h File Reference
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Classes

class  TMd5Sig

Typedefs

typedef TB1Def::TB1 uint1
typedef TVec< TMd5Sig > TMd5SigV

Functions

void Init ()
void Transform (uint1 *buffer)
static void Encode (uint1 *Dst, uint4 *Src, uint4 Len)
static void Decode (uint4 *Dst, uint1 *Src, uint4 Len)
static void MemCpy (uint1 *Dst, uint1 *Src, uint4 Len)
static void MemSet (uint1 *Start, uint1 Val, uint4 Len)
static uint4 RotateLeft (uint4 x, uint4 n)
static uint4 F (uint4 x, uint4 y, uint4 z)
static uint4 G (uint4 x, uint4 y, uint4 z)
static uint4 H (uint4 x, uint4 y, uint4 z)
static uint4 I (uint4 x, uint4 y, uint4 z)
static void FF (uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac)
static void GG (uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac)
static void HH (uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac)
static void II (uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac)
 UndefCopyAssign (TMd5)
 TMd5 ()
static PMd5 New ()
 TMd5 (const PSIn &SIn)
static PMd5 New (const PSIn &SIn)
 TMd5 (TSIn &)
static PMd5 Load (TSIn &SIn)
void Save (TSOut &)
void Add (uchar *InBf, const int &InBfL)
void Add (const PSIn &SIn)
void Def ()
void GetSigMem (TMem &Mem) const
TStr GetSigStr () const
static TStr GetMd5SigStr (const PSIn &SIn)
static TStr GetMd5SigStr (const TStr &Str)
static TStr GetMd5SigStr (const TMem &Mem)
static bool Check ()

Variables

ClassTP(TMd5, PMd5) private
typedef TB2Def::TB2 		uint2
uint4 state [4]
uint4 count [2]
uint1 buffer [64]
uint1 Sig [16]
bool DefP

Typedef Documentation

typedef TVec<TMd5Sig> TMd5SigV

Definition at line 113 of file md5.h.

typedef TB1Def::TB1 uint1

Definition at line 8 of file md5.h.

Function Documentation

void Add ( uchar *  InBf,
const int &  InBfL 
)

Referenced by TVec< TVal >::AddBackSorted(), TLocClustStat::AddCut(), TVec< TVal >::AddSorted(), TVec< TVal >::AddUnique(), TVec< TVal >::AddV(), Def(), T8BitCodec< TEncoding_ISO8859_3 >::FromUnicode(), TVec< TVal >::Ins(), TVec< TVal >::LoadXml(), TVec< TVal >::Merge(), TUniChDb::TestWbFindNonIgnored(), TMd5(), and TMom().

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void Add ( const PSIn &  SIn)
static bool Check ( ) [static]
void TMd5::Decode ( uint4 *  Dst,
uint1 *  Src,
uint4  Len 
) [static]

Definition at line 140 of file md5.cpp.

                                                       {
  for (uint4 i=0, j=0; j<len; i++, j+=4){
    output[i]=
     ((uint4)input[j]) | (((uint4)input[j+1]) << 8) |
     (((uint4)input[j+2]) << 16) | (((uint4)input[j+3]) << 24);
  }
}
void TMom::Def ( )

Definition at line 187 of file md5.cpp.

References Add(), buffer, count, DefP, Encode(), IAssert, MemSet(), Sig, and state.

Referenced by TMd5(), and TMom().

              {
  unsigned char bits[8];
  static uint1 PADDING[64]={
    0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

  IAssert(!DefP);
  Encode(bits, count, 8); // save number of bits

  // Pad out to 56 mod 64.
  uint index=uint4((count[0] >> 3) & 0x3f);
  uint padLen=(index<56) ? (56-index) : (120-index);
  Add(PADDING, padLen);

  Add(bits, 8); // append length (before padding)
  Encode(Sig, state, 16); // store state in digest
  MemSet(buffer, 0, sizeof(*buffer)); // zeroize sensitive information
  DefP=true;
}

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void TMd5::Encode ( uint1 *  Dst,
uint4 *  Src,
uint4  Len 
) [static]

Definition at line 129 of file md5.cpp.

Referenced by Def().

                                                       {
  for (uint4 i=0, j=0; j<len; i++, j+=4){
    output[j]=uint1(input[i] & 0xff);
    output[j+1]=uint1((input[i]>>8) & 0xff);
    output[j+2]=uint1((input[i]>>16) & 0xff);
    output[j+3]=uint1((input[i]>>24) & 0xff);
  }
}

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static uint4 F ( uint4  x,
uint4  y,
uint4  z 
) [static]

Definition at line 30 of file md5.h.

Referenced by FF(), TAGM::GVizComGraph(), TTimeNet::LoadAmazon(), TTimeNet::PlotMedianDegOverTm(), TLocClustStat::PlotPhiInOut(), TSnap::PrintInfo(), TGHash< TDat >::SaveDetailTxt(), TSnap::SaveEdgeList(), TTimeNENet::SaveEdgeTm(), TSnap::SaveGViz(), TGraphKey::SaveGViz(), TSnap::SaveMatlabSparseMtx(), TSnap::SavePajek(), TLocClust::SavePajek(), TGnuPlot::SaveTs(), TKronMtx::SaveTxt(), TCnCom::SaveTxt(), TGStatVec::SaveTxt(), TNcpGraphsBase::SaveTxt(), TGHash< TDat >::SaveTxt(), TLocClustStat::SaveTxtInfo(), TNcpGraphsBase::SaveTxtNcpMin(), TUniChDb::TestCaseConversions(), TSparseRowMatrix::TSparseRowMatrix(), and TMAGFitBern::UpdateApxPhiMI().

{return (x&y)|(~x&z);}

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static void FF ( uint4 &  a,
uint4  b,
uint4  c,
uint4  d,
uint4  x,
uint4  s,
uint4  ac 
) [static]

Definition at line 36 of file md5.h.

References F(), and RotateLeft().

Referenced by TFfGGen::GenFFGraphs().

                                                                                 {
    a+=F(b, c, d)+x+ac; a=RotateLeft(a, s)+b;}

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static uint4 G ( uint4  x,
uint4  y,
uint4  z 
) [static]

Definition at line 31 of file md5.h.

Referenced by TForestFire::BurnExpFire(), TForestFire::BurnGeoFire(), TUndirFFire::BurnGeoFire(), TAGM::GenAGM(), TSnap::GenGeoPrefAttach(), TSnap::GenRndBipart(), TSnap::GenRndDegK(), TSnap::GenRndPowerLaw(), TD34GraphCounter::GetGraph(), TCliqueOverlap::GetMaximalCliques(), TGraphKey::GetNGraph(), TNGraph::GetSmallGraph(), GG(), TSnap::LoadDyNet(), TSnap::LoadDyNetGraphV(), TGStatVec::SaveTxt(), TKronMomentsFit::Test(), and TNetConstraint< PGraph >::Test().

{return (x&z)|(y&~z);}

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static TStr GetMd5SigStr ( const PSIn &  SIn) [static]

Definition at line 64 of file md5.h.

References New().

Referenced by GetMd5SigStr().

                                           {
    PMd5 Md5=TMd5::New(SIn); return Md5->GetSigStr();}

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static TStr GetMd5SigStr ( const TStr &  Str) [static]

Definition at line 66 of file md5.h.

References GetMd5SigStr(), and TStrIn::New().

                                           {
    return GetMd5SigStr(TStrIn::New(Str));}

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static TStr GetMd5SigStr ( const TMem &  Mem) [static]

Definition at line 68 of file md5.h.

References GetMd5SigStr(), and TMemIn::New().

                                           {
    return GetMd5SigStr(TMemIn::New(Mem));}

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void TMd5::GetSigMem ( TMem &  Mem) const

Definition at line 208 of file md5.cpp.

References DefP, IAssert, and Sig.

                                    {
  IAssert(DefP);
  Mem.Gen(16);
  for (int CdN=0; CdN<16; CdN++){Mem+=Sig[CdN];}
}
TStr TMd5::GetSigStr ( ) const

Definition at line 214 of file md5.cpp.

References DefP, TCh::GetHexCh(), IAssert, and Sig.

                           {
  IAssert(DefP);
  TChA ChA(32);
  for (int CdN=0; CdN<16; CdN++){
    ChA+=TCh::GetHexCh(Sig[CdN]/16);
    ChA+=TCh::GetHexCh(Sig[CdN]%16);
  }
  return ChA;
}

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static void GG ( uint4 &  a,
uint4  b,
uint4  c,
uint4  d,
uint4  x,
uint4  s,
uint4  ac 
) [static]

Definition at line 38 of file md5.h.

References G(), and RotateLeft().

                                                                                 {
    a+=G(b, c, d)+x+ac; a=RotateLeft(a, s)+b;}

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static uint4 H ( uint4  x,
uint4  y,
uint4  z 
) [static]

Definition at line 32 of file md5.h.

Referenced by TSpecFunc::EntropyBias(), TSecTm::GetDtTmFromStr(), and HH().

{return x^y^z;}

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static void HH ( uint4 &  a,
uint4  b,
uint4  c,
uint4  d,
uint4  x,
uint4  s,
uint4  ac 
) [static]

Definition at line 40 of file md5.h.

References H(), and RotateLeft().

                                                                                 {
    a+=H(b, c, d)+x+ac; a=RotateLeft(a, s)+b;}

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static uint4 I ( uint4  x,
uint4  y,
uint4  z 
) [static]

Definition at line 33 of file md5.h.

Referenced by TSnap::GetFarnessCentr(), TSparseSet< TKey, GroupSize >::GetKeyV(), TBigNet< TNodeData, IsDir >::GetNIdV(), II(), TBigNet< TNodeData, IsDir >::InvertFromSources(), TSnap::TSnapDetail::TCNMQMatrix::MergeBestQ(), TBigNet< TNodeData, IsDir >::SaveToDisk(), and TUniChDb::TestCaseConversions().

{return y^(x|~z);}

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static void II ( uint4 &  a,
uint4  b,
uint4  c,
uint4  d,
uint4  x,
uint4  s,
uint4  ac 
) [static]

Definition at line 42 of file md5.h.

References I(), and RotateLeft().

                                                                                 {
    a+=I(b, c, d)+x+ac; a=RotateLeft(a, s)+b;}

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void Init ( )

Referenced by TKCore< PGraph >::GetCoreK(), and TMd5().

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static PMd5 Load ( TSIn &  SIn) [static]

Definition at line 51 of file md5.h.

References TMd5().

{return new TMd5(SIn);}

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static void MemCpy ( uint1 *  Dst,
uint1 *  Src,
uint4  Len 
) [static]

Definition at line 22 of file md5.h.

References Len().

                                                       {
    for (uint4 ChN=0; ChN<Len; ChN++){Dst[ChN]=Src[ChN];}}

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static void MemSet ( uint1 *  Start,
uint1  Val,
uint4  Len 
) [static]

Definition at line 24 of file md5.h.

References Len().

Referenced by Def().

                                                        {
    for (uint4 ChN=0; ChN<Len; ChN++){Start[ChN]=Val;}}

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static PMd5 New ( ) [static]

Definition at line 47 of file md5.h.

References TMd5().

{return PMd5(new TMd5());}

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static PMd5 New ( const PSIn &  SIn) [static]

Definition at line 49 of file md5.h.

References TMd5().

{return PMd5(new TMd5(SIn));}

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static uint4 RotateLeft ( uint4  x,
uint4  n 
) [static]

Definition at line 28 of file md5.h.

Referenced by FF(), GG(), HH(), and II().

{return (x<<n)|(x>>(32-n));}

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void Save ( TSOut &  )

Definition at line 52 of file md5.h.

References Fail.

{Fail;}
TMd5 ( )

Definition at line 46 of file md5.h.

References Init().

Referenced by Load(), New(), and TMd5Sig::TMd5Sig().

{Init();}

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TMd5 ( const PSIn &  SIn)

Definition at line 48 of file md5.h.

References Add(), Def(), and Init().

{Init(); Add(SIn); Def();}

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TMd5 ( TSIn &  )

Definition at line 50 of file md5.h.

References Fail.

{Fail;}
void Transform ( uint1 *  buffer)
UndefCopyAssign ( TMd5  )

Variable Documentation

uint1 buffer[64]

Definition at line 13 of file md5.h.

Referenced by Def().

uint4 count[2]

Definition at line 12 of file md5.h.

Referenced by TMAGFitBern::ComputeJointLL(), Def(), TInt::LoadFrugalIntV(), TInt::SaveFrugalIntV(), and TKroneckerLL::SetRandomEdges().

bool DefP

Definition at line 15 of file md5.h.

Referenced by Add(), Def(), GetDecile(), GetExtent(), GetMean(), GetMedian(), GetMn(), GetMx(), GetPercentile(), GetQuart1(), GetQuart3(), GetSDev(), GetSErr(), GetSigMem(), GetSigStr(), GetVari(), IsDef(), IsUsable(), operator=(), and Save().

uint1 Sig[16]

Definition at line 14 of file md5.h.

Referenced by Def(), TKronMtx::GetNodeSig(), GetSigMem(), and GetSigStr().

uint4 state[4]

Definition at line 11 of file md5.h.

Referenced by Def().

ClassTP (TMd5, PMd5) private typedef TB2Def::TB2 uint2

Definition at line 3 of file md5.h.