Commit e7584b8b authored by Niels Möller's avatar Niels Möller
Browse files

Diagrams for serpent sboxes.

Rev: nettle/misc/.cvsignore:1.1
Rev: nettle/misc/Makefile:1.1
Rev: nettle/misc/serpent-sbox3.dot:1.1
Rev: nettle/misc/serpent-sbox4.dot:1.1
Rev: nettle/misc/serpent-sbox5.dot:1.1
parent b44a75d0
# Nothing here is built or distributed by default.
all: serpent-sbox3.pdf serpent-sbox4.pdf serpent-sbox5.pdf
%.pdf: %.dot
dot -Tpdf $< -o $@
strict digraph sbox3 {
x0 -> t01; x2 -> t01; // t01 = x0 ^ x2;
x0 -> t02; x3 -> t02; // t02 = x0 | x3;
x0 -> t03; x3 -> t03; // t03 = x0 & x3;
t01 -> t04; t02 -> t04; // t04 = t01 & t02;
x1 -> t05; t03 -> t05; // t05 = x1 | t03;
x0 -> t06; x1 -> t06; // t06 = x0 & x1;
x3 -> t07; t04 -> t07; // t07 = x3 ^ t04;
x2 -> t08; t06 -> t08; // t08 = x2 | t06;
x1 -> t09; t07 -> t09; // t09 = x1 ^ t07;
x3 -> t10; t05 -> t10; // t10 = x3 & t05;
t02 -> t11; t10 -> t11; // t11 = t02 ^ t10;
t08 -> y3; t09 -> y3; // y3 = t08 ^ t09;
x3 -> t13; y3 -> t13; // t13 = x3 | y3;
x0 -> t14; t07 -> t14; // t14 = x0 | t07;
x1 -> t15; t13 -> t15; // t15 = x1 & t13;
t08 -> y2; t11 -> y2; // y2 = t08 ^ t11;
t14 -> y0; t15 -> y0; // y0 = t14 ^ t15;
t05 -> y1; t04 -> y1; // y1 = t05 ^ t04;
}
strict digraph sbox4 {
x0 [shape=box, label="\N"];
x1 [shape=box, label="\N"];
x2 [shape=box, label="\N"];
x3 [shape=box, label="\N"];
t02 [label="\N\ny2\n1"];
t01 [label="\N\ny3\n2"];
t03 [label="\N\ny2\n3"];
t06 [label="\N\ny3\n4"];
t04 [label="\N\ny0\n5"];
t05 [label="\N\nx3\n6"];
t15 [label="\N\nx0\n7"];
t11 [label="\N\nx1\n8"];
t10 [label="\N\nx2\n9"];
y3 [shape=box, label="\N\n10"];
t13 [label="\N\ny2\n11"];
t08 [label="\N\ny1\n12"];
y2 [shape=box, label="\N\n13"];
t12 [label="\N\ny1\n14"];
t16 [label="\N\ny1\n15"];
y1 [shape=box, label="\N\n16"];
t09 [label="\N\ny0\n17"];
t14 [label="\N\ny0\n18"];
y0 [shape=box, label="\N\n19"];
x0 -> t01; x1 -> t01; // t01 = x0 | x1;
x1 -> t02; x2 -> t02; // t02 = x1 | x2;
x0 -> t03; t02 -> t03; // t03 = x0 ^ t02;
x1 -> t04; x3 -> t04; // t04 = x1 ^ x3;
x3 -> t05; t03 -> t05; // t05 = x3 | t03;
x3 -> t06; t01 -> t06; // t06 = x3 & t01;
t03 -> y3; t06 -> y3; // y3 = t03 ^ t06;
y3 -> t08; t04 -> t08; // t08 = y3 & t04;
t04 -> t09; t05 -> t09; // t09 = t04 & t05;
x2 -> t10; t06 -> t10; // t10 = x2 ^ t06;
x1 -> t11; x2 -> t11; // t11 = x1 & x2;
t04 -> t12; t08 -> t12; // t12 = t04 ^ t08;
t11 -> t13; t03 -> t13; // t13 = t11 | t03;
t10 -> t14; t09 -> t14; // t14 = t10 ^ t09;
x0 -> t15; t05 -> t15; // t15 = x0 & t05;
t11 -> t16; t12 -> t16; // t16 = t11 | t12;
t13 -> y2; t08 -> y2; // y2 = t13 ^ t08;
t15 -> y1; t16 -> y1; // y1 = t15 ^ t16;
t14 -> y0; // y0 = ~ t14;
}
strict digraph sbox5 {
x0 [shape=box];
x1 [shape=box];
x2 [shape=box];
x3 [shape=box];
t02 [label="\N\ny0\n1"];
t04 [label="\N\ny0\n2"];
t01 [label="\N\nx2\n3"];
t07 [label="\N\ny2\n4"];
t03 [label="\N\nx0\n5"];
t05 [label="\N\ny0\n6"];
t11 [label="\N\ny3\n7"];
t09 [label="\N\nx1\n8"];
y0 [shape=box, label="\N\n9"];
t12 [label="\N\nx0\n10"];
t14 [label="\N\ny3\n11"];
y3 [shape=box, label="\N\n12"];
t08 [label="\N\ny1\n13"];
t10 [label="\N\nx3\n14"];
y1 [shape=box, label="\N\n15"];
t13 [label="\N\ny2\n16"];
y2 [shape=box, label="\N\n17"];
x1 -> t01; x3 -> t01; // t01 = x1 ^ x3;
x1 -> t02; x3 -> t02; // t02 = x1 | x3;
x0 -> t03; t01 -> t03; // t03 = x0 & t01;
x2 -> t04; t02 -> t04; // t04 = x2 ^ t02;
t03 -> t05; t04 -> t05; // t05 = t03 ^ t04;
t05 -> y0; // y0 = ~ t05;
x0 -> t07; t01 -> t07; // t07 = x0 ^ t01;
x3 -> t08; y0 -> t08; // t08 = x3 | y0;
x1 -> t09; t05 -> t09; // t09 = x1 | t05;
x3 -> t10; t08 -> t10; // t10 = x3 ^ t08;
x1 -> t11; t07 -> t11; // t11 = x1 | t07;
t03 -> t12; y0 -> t12; // t12 = t03 | y0;
t07 -> t13; t10 -> t13; // t13 = t07 | t10;
t01 -> t14; t11 -> t14; // t14 = t01 ^ t11;
t09 -> y2; t13 -> y2; // y2 = t09 ^ t13;
t07 -> y1; t08 -> y1; // y1 = t07 ^ t08;
t12 -> y3; t14 -> y3; // y3 = t12 ^ t14;
}
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