aparler/RosettaCodeData
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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions
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5
Task/SHA-1/D/sha-1-1.d Normal file
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void main() {
import std.stdio, std.digest.sha;
writefln("%-(%02x%)", "Ars longa, vita brevis".sha1Of);
}

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Task/SHA-1/D/sha-1-2.d Normal file
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import std.stdio, std.string, std.conv, std.algorithm, std.format, std.array,
std.range, std.digest.sha;
int rol(int n, int b) {
return ((n << b) | (n >>> (32 - b))) & 0xffffffff;
}
int btoi(string bin) {
int total = 0;
foreach (b; bin) {
total *= 2;
(b == '1') ? total += 1 : total;
}
return total;
}
string sha1(char[] intake) {
int h0 = 0x67452301;
int h1 = 0xEFCDAB89;
int h2 = 0x98BADCFE;
int h3 = 0x10325476;
int h4 = 0xC3D2E1F0;
auto bins = intake.map!(x => format("%08b", x.to!int));
int binsize = bins.join().length.to!int;
string o = bins.join() ~ "1";
o ~= replicate("0", 448%512 - o.length.to!int%512) ~ format("%064b", binsize);
auto binchunks = chunks(o, 512).array;
foreach (chunk; binchunks) {
string[] words = chunk.chunks(512/16).array
.map!(x => "%032s".format(x)).array;
foreach (i; iota(16, 80)) {
int newWord = btoi(words[i-3]) ^ btoi(words[i-8]) ^
btoi(words[i-14]) ^ btoi(words[i-16]);
newWord = rol(newWord, 1);
words = words.array ~ "%032b".format(newWord);
}
int A = h0;
int B = h1;
int C = h2;
int D = h3;
int E = h4;
foreach (i; iota(0, 80)) {
int F = 0;
int K = 0;
if (i < 20) {
F = D ^ (B & (C ^ D));
K = 0x5A827999;
}
else if (i < 40) {
F = B ^ C ^ D;
K = 0x6ED9EBA1;
}
else if (i < 60) {
F = (B & C) | (B & D) | (C & D);
K = 0x8F1BBCDC;
}
else if (i < 80) {
F = B ^ C ^ D;
K = 0xCA62C1D6;
}
int tempA = A;
A = rol(A, 5) + F + E + K + btoi(words[i]) & 0xffffffff;
E = D;
D = C;
C = rol(B,30);
B = tempA;
}
h0 = btoi("%032b".format(h0 + A).retro.array[0 .. 32].retro.to!string);
h1 = btoi("%032b".format(h1 + B).retro.array[0 .. 32].retro.to!string);
h2 = btoi("%032b".format(h2 + C).retro.array[0 .. 32].retro.to!string);
h3 = btoi("%032b".format(h3 + D).retro.array[0 .. 32].retro.to!string);
h4 = btoi("%032b".format(h4 + E).retro.array[0 .. 32].retro.to!string);
}
return "%08x%08x%08x%08x%08x".format(h0, h1, h2, h3, h4);
}
void main() {
writeln(sha1("Rosetta Code".dup));
}