📄 key_gen.c
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tempkey.k18=tempkey.k20; tempkey.k46=tempkey.k48;
tempkey.k19=tempkey.k21; tempkey.k47=tempkey.k49;
tempkey.k20=tempkey.k22; tempkey.k48=tempkey.k50;
tempkey.k21=tempkey.k23; tempkey.k49=tempkey.k51;
tempkey.k22=tempkey.k24; tempkey.k50=tempkey.k52;
tempkey.k23=tempkey.k25; tempkey.k51=tempkey.k53;
tempkey.k24=tempkey.k26; tempkey.k52=tempkey.k54;
tempkey.k25=tempkey.k27; tempkey.k53=tempkey.k55;
tempkey.k26=templ1; tempkey.k54=tempr1;
tempkey.k27=templ2; tempkey.k55=tempr2;
/*Permuted choice 2(for key 3)*/
subkey3.k0=tempkey.k13; subkey3.k1=tempkey.k16; subkey3.k2=tempkey.k10;
subkey3.k3=tempkey.k23; subkey3.k4=tempkey.k0; subkey3.k5=tempkey.k4;
subkey3.k6=tempkey.k2; subkey3.k7=tempkey.k27; subkey3.k8=tempkey.k14;
subkey3.k9=tempkey.k5; subkey3.k10=tempkey.k20;subkey3.k11=tempkey.k9;
subkey3.k12=tempkey.k22;subkey3.k13=tempkey.k18;subkey3.k14=tempkey.k11;
subkey3.k15=tempkey.k3; subkey3.k16=tempkey.k25;subkey3.k17=tempkey.k7;
subkey3.k18=tempkey.k15;subkey3.k19=tempkey.k6; subkey3.k20=tempkey.k26;
subkey3.k21=tempkey.k19;subkey3.k22=tempkey.k12;subkey3.k23=tempkey.k1;
subkey3.k24=tempkey.k40;subkey3.k25=tempkey.k51;subkey3.k26=tempkey.k30;
subkey3.k27=tempkey.k36;subkey3.k28=tempkey.k46;subkey3.k29=tempkey.k54;
subkey3.k30=tempkey.k29;subkey3.k31=tempkey.k39;subkey3.k32=tempkey.k50;
subkey3.k33=tempkey.k44;subkey3.k34=tempkey.k32;subkey3.k35=tempkey.k47;
subkey3.k36=tempkey.k43;subkey3.k37=tempkey.k48;subkey3.k38=tempkey.k38;
subkey3.k39=tempkey.k55;subkey3.k40=tempkey.k33;subkey3.k41=tempkey.k52;
subkey3.k42=tempkey.k45;subkey3.k43=tempkey.k41;subkey3.k44=tempkey.k49;
subkey3.k45=tempkey.k35;subkey3.k46=tempkey.k28;subkey3.k47=tempkey.k31;
/*********************************************/
/****************Key4 generation**************/
/*********************************************/
/*Left shift of the both parts(for key4)*/
templ1=tempkey.k0; tempr1=tempkey.k28;
templ2=tempkey.k1; tempr2=tempkey.k29;
tempkey.k0=tempkey.k2; tempkey.k28=tempkey.k30;
tempkey.k1=tempkey.k3; tempkey.k29=tempkey.k31;
tempkey.k2=tempkey.k4; tempkey.k30=tempkey.k32;
tempkey.k3=tempkey.k5; tempkey.k31=tempkey.k33;
tempkey.k4=tempkey.k6; tempkey.k32=tempkey.k34;
tempkey.k5=tempkey.k7; tempkey.k33=tempkey.k35;
tempkey.k6=tempkey.k8; tempkey.k34=tempkey.k36;
tempkey.k7=tempkey.k9; tempkey.k35=tempkey.k37;
tempkey.k8=tempkey.k10; tempkey.k36=tempkey.k38;
tempkey.k9=tempkey.k11; tempkey.k37=tempkey.k39;
tempkey.k10=tempkey.k12; tempkey.k38=tempkey.k40;
tempkey.k11=tempkey.k13; tempkey.k39=tempkey.k41;
tempkey.k12=tempkey.k14; tempkey.k40=tempkey.k42;
tempkey.k13=tempkey.k15; tempkey.k41=tempkey.k43;
tempkey.k14=tempkey.k16; tempkey.k42=tempkey.k44;
tempkey.k15=tempkey.k17; tempkey.k43=tempkey.k45;
tempkey.k16=tempkey.k18; tempkey.k44=tempkey.k46;
tempkey.k17=tempkey.k19; tempkey.k45=tempkey.k47;
tempkey.k18=tempkey.k20; tempkey.k46=tempkey.k48;
tempkey.k19=tempkey.k21; tempkey.k47=tempkey.k49;
tempkey.k20=tempkey.k22; tempkey.k48=tempkey.k50;
tempkey.k21=tempkey.k23; tempkey.k49=tempkey.k51;
tempkey.k22=tempkey.k24; tempkey.k50=tempkey.k52;
tempkey.k23=tempkey.k25; tempkey.k51=tempkey.k53;
tempkey.k24=tempkey.k26; tempkey.k52=tempkey.k54;
tempkey.k25=tempkey.k27; tempkey.k53=tempkey.k55;
tempkey.k26=templ1; tempkey.k54=tempr1;
tempkey.k27=templ2; tempkey.k55=tempr2;
/*Permuted choice 2(for key 4)*/
subkey4.k0=tempkey.k13; subkey4.k1=tempkey.k16; subkey4.k2=tempkey.k10;
subkey4.k3=tempkey.k23; subkey4.k4=tempkey.k0; subkey4.k5=tempkey.k4;
subkey4.k6=tempkey.k2; subkey4.k7=tempkey.k27; subkey4.k8=tempkey.k14;
subkey4.k9=tempkey.k5; subkey4.k10=tempkey.k20;subkey4.k11=tempkey.k9;
subkey4.k12=tempkey.k22;subkey4.k13=tempkey.k18;subkey4.k14=tempkey.k11;
subkey4.k15=tempkey.k3; subkey4.k16=tempkey.k25;subkey4.k17=tempkey.k7;
subkey4.k18=tempkey.k15;subkey4.k19=tempkey.k6; subkey4.k20=tempkey.k26;
subkey4.k21=tempkey.k19;subkey4.k22=tempkey.k12;subkey4.k23=tempkey.k1;
subkey4.k24=tempkey.k40;subkey4.k25=tempkey.k51;subkey4.k26=tempkey.k30;
subkey4.k27=tempkey.k36;subkey4.k28=tempkey.k46;subkey4.k29=tempkey.k54;
subkey4.k30=tempkey.k29;subkey4.k31=tempkey.k39;subkey4.k32=tempkey.k50;
subkey4.k33=tempkey.k44;subkey4.k34=tempkey.k32;subkey4.k35=tempkey.k47;
subkey4.k36=tempkey.k43;subkey4.k37=tempkey.k48;subkey4.k38=tempkey.k38;
subkey4.k39=tempkey.k55;subkey4.k40=tempkey.k33;subkey4.k41=tempkey.k52;
subkey4.k42=tempkey.k45;subkey4.k43=tempkey.k41;subkey4.k44=tempkey.k49;
subkey4.k45=tempkey.k35;subkey4.k46=tempkey.k28;subkey4.k47=tempkey.k31;
/*********************************************/
/****************Key5 generation**************/
/*********************************************/
/*Left shift of the both parts(for key5)*/
templ1=tempkey.k0; tempr1=tempkey.k28;
templ2=tempkey.k1; tempr2=tempkey.k29;
tempkey.k0=tempkey.k2; tempkey.k28=tempkey.k30;
tempkey.k1=tempkey.k3; tempkey.k29=tempkey.k31;
tempkey.k2=tempkey.k4; tempkey.k30=tempkey.k32;
tempkey.k3=tempkey.k5; tempkey.k31=tempkey.k33;
tempkey.k4=tempkey.k6; tempkey.k32=tempkey.k34;
tempkey.k5=tempkey.k7; tempkey.k33=tempkey.k35;
tempkey.k6=tempkey.k8; tempkey.k34=tempkey.k36;
tempkey.k7=tempkey.k9; tempkey.k35=tempkey.k37;
tempkey.k8=tempkey.k10; tempkey.k36=tempkey.k38;
tempkey.k9=tempkey.k11; tempkey.k37=tempkey.k39;
tempkey.k10=tempkey.k12; tempkey.k38=tempkey.k40;
tempkey.k11=tempkey.k13; tempkey.k39=tempkey.k41;
tempkey.k12=tempkey.k14; tempkey.k40=tempkey.k42;
tempkey.k13=tempkey.k15; tempkey.k41=tempkey.k43;
tempkey.k14=tempkey.k16; tempkey.k42=tempkey.k44;
tempkey.k15=tempkey.k17; tempkey.k43=tempkey.k45;
tempkey.k16=tempkey.k18; tempkey.k44=tempkey.k46;
tempkey.k17=tempkey.k19; tempkey.k45=tempkey.k47;
tempkey.k18=tempkey.k20; tempkey.k46=tempkey.k48;
tempkey.k19=tempkey.k21; tempkey.k47=tempkey.k49;
tempkey.k20=tempkey.k22; tempkey.k48=tempkey.k50;
tempkey.k21=tempkey.k23; tempkey.k49=tempkey.k51;
tempkey.k22=tempkey.k24; tempkey.k50=tempkey.k52;
tempkey.k23=tempkey.k25; tempkey.k51=tempkey.k53;
tempkey.k24=tempkey.k26; tempkey.k52=tempkey.k54;
tempkey.k25=tempkey.k27; tempkey.k53=tempkey.k55;
tempkey.k26=templ1; tempkey.k54=tempr1;
tempkey.k27=templ2; tempkey.k55=tempr2;
/*Permuted choice 2(for key 5)*/
subkey5.k0=tempkey.k13; subkey5.k1=tempkey.k16; subkey5.k2=tempkey.k10;
subkey5.k3=tempkey.k23; subkey5.k4=tempkey.k0; subkey5.k5=tempkey.k4;
subkey5.k6=tempkey.k2; subkey5.k7=tempkey.k27; subkey5.k8=tempkey.k14;
subkey5.k9=tempkey.k5; subkey5.k10=tempkey.k20;subkey5.k11=tempkey.k9;
subkey5.k12=tempkey.k22;subkey5.k13=tempkey.k18;subkey5.k14=tempkey.k11;
subkey5.k15=tempkey.k3; subkey5.k16=tempkey.k25;subkey5.k17=tempkey.k7;
subkey5.k18=tempkey.k15;subkey5.k19=tempkey.k6; subkey5.k20=tempkey.k26;
subkey5.k21=tempkey.k19;subkey5.k22=tempkey.k12;subkey5.k23=tempkey.k1;
subkey5.k24=tempkey.k40;subkey5.k25=tempkey.k51;subkey5.k26=tempkey.k30;
subkey5.k27=tempkey.k36;subkey5.k28=tempkey.k46;subkey5.k29=tempkey.k54;
subkey5.k30=tempkey.k29;subkey5.k31=tempkey.k39;subkey5.k32=tempkey.k50;
subkey5.k33=tempkey.k44;subkey5.k34=tempkey.k32;subkey5.k35=tempkey.k47;
subkey5.k36=tempkey.k43;subkey5.k37=tempkey.k48;subkey5.k38=tempkey.k38;
subkey5.k39=tempkey.k55;subkey5.k40=tempkey.k33;subkey5.k41=tempkey.k52;
subkey5.k42=tempkey.k45;subkey5.k43=tempkey.k41;subkey5.k44=tempkey.k49;
subkey5.k45=tempkey.k35;subkey5.k46=tempkey.k28;subkey5.k47=tempkey.k31;
/*********************************************/
/****************Key6 generation**************/
/*********************************************/
/*Left shift of the both parts(for key6)*/
templ1=tempkey.k0; tempr1=tempkey.k28;
templ2=tempkey.k1; tempr2=tempkey.k29;
tempkey.k0=tempkey.k2; tempkey.k28=tempkey.k30;
tempkey.k1=tempkey.k3; tempkey.k29=tempkey.k31;
tempkey.k2=tempkey.k4; tempkey.k30=tempkey.k32;
tempkey.k3=tempkey.k5; tempkey.k31=tempkey.k33;
tempkey.k4=tempkey.k6; tempkey.k32=tempkey.k34;
tempkey.k5=tempkey.k7; tempkey.k33=tempkey.k35;
tempkey.k6=tempkey.k8; tempkey.k34=tempkey.k36;
tempkey.k7=tempkey.k9; tempkey.k35=tempkey.k37;
tempkey.k8=tempkey.k10; tempkey.k36=tempkey.k38;
tempkey.k9=tempkey.k11; tempkey.k37=tempkey.k39;
tempkey.k10=tempkey.k12; tempkey.k38=tempkey.k40;
tempkey.k11=tempkey.k13; tempkey.k39=tempkey.k41;
tempkey.k12=tempkey.k14; tempkey.k40=tempkey.k42;
tempkey.k13=tempkey.k15; tempkey.k41=tempkey.k43;
tempkey.k14=tempkey.k16; tempkey.k42=tempkey.k44;
tempkey.k15=tempkey.k17; tempkey.k43=tempkey.k45;
tempkey.k16=tempkey.k18; tempkey.k44=tempkey.k46;
tempkey.k17=tempkey.k19; tempkey.k45=tempkey.k47;
tempkey.k18=tempkey.k20; tempkey.k46=tempkey.k48;
tempkey.k19=tempkey.k21; tempkey.k47=tempkey.k49;
tempkey.k20=tempkey.k22; tempkey.k48=tempkey.k50;
tempkey.k21=tempkey.k23; tempkey.k49=tempkey.k51;
tempkey.k22=tempkey.k24; tempkey.k50=tempkey.k52;
tempkey.k23=tempkey.k25; tempkey.k51=tempkey.k53;
tempkey.k24=tempkey.k26; tempkey.k52=tempkey.k54;
tempkey.k25=tempkey.k27; tempkey.k53=tempkey.k55;
tempkey.k26=templ1; tempkey.k54=tempr1;
tempkey.k27=templ2; tempkey.k55=tempr2;
/*Permuted choice 2(for key 6)*/
subkey6.k0=tempkey.k13; subkey6.k1=tempkey.k16; subkey6.k2=tempkey.k10;
subkey6.k3=tempkey.k23; subkey6.k4=tempkey.k0; subkey6.k5=tempkey.k4;
subkey6.k6=tempkey.k2; subkey6.k7=tempkey.k27; subkey6.k8=tempkey.k14;
subkey6.k9=tempkey.k5; subkey6.k10=tempkey.k20;subkey6.k11=tempkey.k9;
subkey6.k12=tempkey.k22;subkey6.k13=tempkey.k18;subkey6.k14=tempkey.k11;
subkey6.k15=tempkey.k3; subkey6.k16=tempkey.k25;subkey6.k17=tempkey.k7;
subkey6.k18=tempkey.k15;subkey6.k19=tempkey.k6; subkey6.k20=tempkey.k26;
subkey6.k21=tempkey.k19;subkey6.k22=tempkey.k12;subkey6.k23=tempkey.k1;
subkey6.k24=tempkey.k40;subkey6.k25=tempkey.k51;subkey6.k26=tempkey.k30;
subkey6.k27=tempkey.k36;subkey6.k28=tempkey.k46;subkey6.k29=tempkey.k54;
subkey6.k30=tempkey.k29;subkey6.k31=tempkey.k39;subkey6.k32=tempkey.k50;
subkey6.k33=tempkey.k44;subkey6.k34=tempkey.k32;subkey6.k35=tempkey.k47;
subkey6.k36=tempkey.k43;subkey6.k37=tempkey.k48;subkey6.k38=tempkey.k38;
subkey6.k39=tempkey.k55;subkey6.k40=tempkey.k33;subkey6.k41=tempkey.k52;
subkey6.k42=tempkey.k45;subkey6.k43=tempkey.k41;subkey6.k44=tempkey.k49;
subkey6.k45=tempkey.k35;subkey6.k46=tempkey.k28;subkey6.k47=tempkey.k31;
/*********************************************/
/****************Key7 generation**************/
/*********************************************/
/*Left shift of the both parts(for key7)*/
templ1=tempkey.k0; tempr1=tempkey.k28;
templ2=tempkey.k1; tempr2=tempkey.k29;
tempkey.k0=tempkey.k2; tempkey.k28=tempkey.k30;
tempkey.k1=tempkey.k3; tempkey.k29=tempkey.k31;
tempkey.k2=tempkey.k4; tempkey.k30=tempkey.k32;
tempkey.k3=tempkey.k5; tempkey.k31=tempkey.k33;
tempkey.k4=tempkey.k6; tempkey.k32=tempkey.k34;
tempkey.k5=tempkey.k7; tempkey.k33=tempkey.k35;
tempkey.k6=tempkey.k8; tempkey.k34=tempkey.k36;
tempkey.k7=tempkey.k9; tempkey.k35=tempkey.k37;
tempkey.k8=tempkey.k10; tempkey.k36=tempkey.k38;
tempkey.k9=tempkey.k11; tempkey.k37=tempkey.k39;
tempkey.k10=tempkey.k12; tempkey.k38=tempkey.k40;
tempkey.k11=tempkey.k13; tempkey.k39=tempkey.k41;
tempkey.k12=tempkey.k14; tempkey.k40=tempkey.k42;
tempkey.k13=tempkey.k15; tempkey.k41=tempkey.k43;
tempkey.k14=tempkey.k16; tempkey.k42=tempkey.k44;
tempkey.k15=tempkey.k17; tempkey.k43=tempkey.k45;
tempkey.k16=tempkey.k18; tempkey.k44=tempkey.k46;
tempkey.k17=tempkey.k19; tempkey.k45=tempkey.k47;
tempkey.k18=tempkey.k20; tempkey.k46=tempkey.k48;
tempkey.k19=tempkey.k21; tempkey.k47=tempkey.k49;
tempkey.k20=tempkey.k22; tempkey.k48=tempkey.k50;
tempkey.k21=tempkey.k23; tempkey.k49=tempkey.k51;
tempkey.k22=tempkey.k24; tempkey.k50=tempkey.k52;
tempkey.k23=tempkey.k25; tempkey.k51=tempkey.k53;
tempkey.k24=tempkey.k26; tempkey.k52=tempkey.k54;
tempkey.k25=tempkey.k27; tempkey.k53=tempkey.k55;
tempkey.k26=templ1; tempkey.k54=tempr1;
tempkey.k27=templ2; tempkey.k55=tempr2;
/*Permuted choice 2(for key 7)*/
subkey7.k0=tempkey.k13; subkey7.k1=tempkey.k16; subkey7.k2=tempkey.k10;
subkey7.k3=tempkey.k23; subkey7.k4=tempkey.k0; subkey7.k5=tempkey.k4;
subkey7.k6=tempkey.k2; subkey7.k7=tempkey.k27; subkey7.k8=tempkey.k14;
subkey7.k9=tempkey.k5; subkey7.k10=tempkey.k20;subkey7.k11=tempkey.k9;
subkey7.k12=tempkey.k22;subkey7.k13=tempkey.k18;subkey7.k14=tempkey.k11;
subkey7.k15=tempkey.k3; subkey7.k16=tempkey.k25;subkey7.k17=tempkey.k7;
subkey7.k18=tempkey.k15;subkey7.k19=tempkey.k6; subkey7.k20=tempkey.k26;
subkey7.k21=tempkey.k19;subkey7.k22=tempkey.k12;subkey7.k23=tempkey.k1;
subkey7.k24=tempkey.k40;subkey7.k25=tempkey.k51;subkey7.k26=tempkey.k30;
subkey7.k27=tempkey.k36;subkey7.k28=tempkey.k46;subkey7.k29=tempkey.k54;
subkey7.k30=tempkey.k29;subkey7.k31=tempkey.k39;subkey7.k32=tempkey.k50;
subkey7.k33=tempkey.k44;subkey7.k34=tempkey.k32;subkey7.k35=tempkey.k47;
subkey7.k36=tempkey.k43;subkey7.k37=tempkey.k48;subkey7.k38=tempkey.k38;
subkey7.k39=tempkey.k55;subkey7.k40=tempkey.k33;subkey7.k41=tempkey.k52;
subkey7.k42=tempkey.k45;subkey7.k43=tempkey.k41;subkey7.k44=tempkey.k49;
subkey7.k45=tempkey.k35;subkey7.k46=tempkey.k28;subkey7.k47=tempkey.k31;
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