D:/opendownloadmanager/ODM-1.x/FDMCustomized/FDMCustomized_lib/libdes/3ecb_enc.c

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/* 3ecb_enc.c */

/* Copyright (C) 1993 Eric Young - see README for more details */

#ifdef _MSC_VER
  #include "des_locl.h"
#else
  #include "libdes/des_locl.h"
#endif /* _MSC_VER */


int des_3ecb_encrypt(input,output,ks1,ks2,encrypt)
des_cblock *input;
des_cblock *output;
des_key_schedule ks1,ks2;
int encrypt;
        {
        register unsigned long l0,l1;
        register unsigned char *in,*out;
        unsigned long ll[2];

        in=(unsigned char *)input;
        out=(unsigned char *)output;
        c2l(in,l0);
        c2l(in,l1);
        ll[0]=l0;
        ll[1]=l1;
        des_encrypt(ll,ll,ks1,encrypt);
        des_encrypt(ll,ll,ks2,!encrypt);
        des_encrypt(ll,ll,ks1,encrypt);
        l0=ll[0];
        l1=ll[1];
        l2c(l0,out);
        l2c(l1,out);
        return(0);
        }

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