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1 typedef unsigned char uchar;
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2 typedef unsigned short ushort;
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3 typedef unsigned int uint;
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4 typedef unsigned long ulong;
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5
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6 static unsigned long S[1][1]={0x00820200};
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7
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8 static int body(out0,out1,ks,Eswap0,Eswap1)
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9 ulong *out0,*out1;
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10 int *ks;
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11 ulong Eswap0,Eswap1;
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12 {
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13 register unsigned long l,r,t,u,v;
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14 register unsigned long *s;
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15 register int i,j;
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16 register unsigned long E0,E1;
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17
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18 l=0;
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19 r=0;
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20
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21 s=(ulong *)ks;
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22 E0=Eswap0;
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23 E1=Eswap1;
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24
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25 for (i=0; i<(16 *2); i+=4)
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26 {
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27 v=(r^(r>>16));
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28 u=(v&E0);
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29 v=(v&E1);
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30 u=(u^(u<<16))^r^s[ i ];
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31 t=(v^(v<<16))^r^s[ i+1];
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32 t=(t>>4)|(t<<28);
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33 l^=S[1][(t)&0x3f]| S[3][(t>> 8)&0x3f]| S[5][(t>>16)&0x3f]| S[7][(t>>24)&0x3f]| S[0][(u)&0x3f]| S[2][(u>> 8)&0x3f]| S[4][(u>>16)&0x3f]| S[6][(u>>24)&0x3f];
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34 v=(l^(l>>16));
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35 u=(v&E0);
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36 v=(v&E1);
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37 u=(u^(u<<16))^l^s[ i+2 ];
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38 t=(v^(v<<16))^l^s[ i+2+1];
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39 t=(t>>4)|(t<<28);
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40 r^= S[1][(t )&0x3f];
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41 }
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42 t=l;
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43 l=r;
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44 r=t;
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45
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46 t=r;
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47 r=(l>>1)|(l<<31);
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48 l=(t>>1)|(t<<31);
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49
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50 *out0=l;
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51 *out1=r;
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52 return(0);
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53 }
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