54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
typedef unsigned char uchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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static unsigned long S[1][1]={0x00820200};
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static int body(out0,out1,ks,Eswap0,Eswap1)
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ulong *out0,*out1;
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int *ks;
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ulong Eswap0,Eswap1;
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{
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register unsigned long l,r,t,u,v;
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register unsigned long *s;
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register int i,j;
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register unsigned long E0,E1;
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l=0;
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r=0;
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s=(ulong *)ks;
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E0=Eswap0;
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E1=Eswap1;
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for (i=0; i<(16 *2); i+=4)
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{
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v=(r^(r>>16));
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u=(v&E0);
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v=(v&E1);
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u=(u^(u<<16))^r^s[ i ];
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t=(v^(v<<16))^r^s[ i+1];
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t=(t>>4)|(t<<28);
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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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v=(l^(l>>16));
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u=(v&E0);
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v=(v&E1);
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u=(u^(u<<16))^l^s[ i+2 ];
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t=(v^(v<<16))^l^s[ i+2+1];
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t=(t>>4)|(t<<28);
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r^= S[1][(t )&0x3f];
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}
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t=l;
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l=r;
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r=t;
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t=r;
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r=(l>>1)|(l<<31);
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l=(t>>1)|(t<<31);
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*out0=l;
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*out1=r;
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return(0);
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}
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