cPlainKeySeca Class Reference

Inheritance diagram for cPlainKeySeca:

List of all members.

Public Member Functions
	cPlainKeySeca (bool Super)
virtual bool	Parse (const char *line)
Protected Member Functions
virtual bool	IsBNKey (void) const
virtual int	IdSize (void)
virtual cString	PrintKeyNr (void)

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Detailed Description

Definition at line 67 of file seca.c.

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Constructor & Destructor Documentation

cPlainKeySeca::cPlainKeySeca

(

bool

Super

)

Definition at line 79 of file seca.c.

:cDualKey(Super,true)
{}

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Member Function Documentation

virtual int cPlainKeySeca::IdSize

(

void

)

[inline, protected, virtual]

Reimplemented from cPlainKey.

Definition at line 70 of file seca.c.

{ return 4; }

bool cPlainKeySeca::IsBNKey

(

void

)

const [protected, virtual]

Implements cDualKey.

Definition at line 83 of file seca.c.

References C2MASK, cPlainKey::keynr, and MBC.

Referenced by Parse(), and PrintKeyNr().

{
  switch(keynr&C2MASK) {
    case MBC('E','1'):
    case MBC('M','1'):
    case MBC('E','3'):
    case MBC('M','3'):
    case MBC('E','5'):
    case MBC('M','5'):
    case MBC('E','9'):
    case MBC('M','9'): return true;
    }
  return false;
}

bool cPlainKeySeca::Parse

(

const char *

line

)

[virtual]

Implements cPlainKey.

Definition at line 98 of file seca.c.

References ADDC3, AUTOMEM, Bin2Int, C2, EMM_MAGIC, GetChar(), GetHex(), IsBNKey(), cPlainKey::keynr, N51_MAGIC, PLAINLEN_SECA_B, PLAINLEN_SECA_D, PLAINLEN_SECA_E, PLAINLEN_SECA_H, cMutableKey::SetBinKey(), skipspace(), and cPlainKey::type.

{
  unsigned char sid[2];
  int len;
  if(GetChar(line,&type,1) && (len=GetHex(line,sid,2,false))) {
    type=toupper(type); id=Bin2Int(sid,len);
    line=skipspace(line);
    int emmnr=0, keylen=PLAINLEN_SECA_B;
    if(!strncasecmp(line,"EMM",3)) { // EMM RSA key
      emmnr=EMM_MAGIC;
      line+=3;
      line=skipspace(line);
      }
    else if(!strncasecmp(line,"N51",3)) { // Nano 51 RSA key
      emmnr=N51_MAGIC;
      line+=3;
      line=skipspace(line);
      keylen=toupper(*line)=='E'?1:129;
      }
    bool ok;
    switch(toupper(*line)) {
      case 'E':
      case 'M': ok=GetChar(line,&keynr,2);
                keynr=ADDC3(keynr,emmnr);
                break;
      default:  ok=emmnr ? false : GetHex(line,sid,1);
                keynr=sid[0];
                break;
      }
    if(ok) {
      unsigned char *skey=AUTOMEM(keylen);
      len=GetHex(line,skey,keylen,false);
      if(IsBNKey()) {
        if(C2(keynr)=='E' && len==PLAINLEN_SECA_E) {
          // support short exponent keys
          keylen=len;
          }
        }
      else {
        if(len==PLAINLEN_SECA_H || len==PLAINLEN_SECA_D) {
          // support for 16 & 8 byte keys
          keylen=len;
          }
        }
      if(len==keylen) {
        SetBinKey(skey,keylen);
        return true;
        }
      }
    }
  return false;
}

cString cPlainKeySeca::PrintKeyNr

(

void

)

[protected, virtual]

Reimplemented from cPlainKey.

Definition at line 151 of file seca.c.

References C3, EMM_MAGIC, IsBNKey(), cPlainKey::keynr, and N51_MAGIC.

{
  char nr[32];
  int q=0;
  switch(C3(keynr)) {
    case EMM_MAGIC: q+=snprintf(nr+q,sizeof(nr)-q,"EMM "); break;
    case N51_MAGIC: q+=snprintf(nr+q,sizeof(nr)-q,"N51 "); break;
    }
  if(IsBNKey()) {
    nr[q  ]=(keynr>>8) & 0xff;
    nr[q+1]= keynr     & 0xff;
    nr[q+2]=0;
    q+=2;
    }
  else q+=snprintf(nr+q,sizeof(nr)-q,"%.2X",keynr);
  return nr;
}

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The documentation for this class was generated from the following file:

• sc/PLUGINS/src/sc-src/systems/seca/seca.c