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readme, benchmarks, fix verification

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jude
2023-04-15 14:28:13 +01:00
parent 35dbf321e9
commit ad26788927
8 changed files with 575 additions and 33 deletions
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309
static/js/lz-string.js Normal file
View File

@ -0,0 +1,309 @@
var LZString = (function () {
var r = String.fromCharCode,
o = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
n = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-$",
e = {};
function t(r, o) {
if (!e[r]) {
e[r] = {};
for (var n = 0; n < r.length; n++) e[r][r.charAt(n)] = n;
}
return e[r][o];
}
var i = {
compressToBase64: function (r) {
if (null == r) return "";
var n = i._compress(r, 6, function (r) {
return o.charAt(r);
});
switch (n.length % 4) {
default:
case 0:
return n;
case 1:
return n + "===";
case 2:
return n + "==";
case 3:
return n + "=";
}
},
decompressFromBase64: function (r) {
return null == r
? ""
: "" == r
? null
: i._decompress(r.length, 32, function (n) {
return t(o, r.charAt(n));
});
},
compressToUTF16: function (o) {
return null == o
? ""
: i._compress(o, 15, function (o) {
return r(o + 32);
}) + " ";
},
decompressFromUTF16: function (r) {
return null == r
? ""
: "" == r
? null
: i._decompress(r.length, 16384, function (o) {
return r.charCodeAt(o) - 32;
});
},
compressToUint8Array: function (r) {
for (
var o = i.compress(r),
n = new Uint8Array(2 * o.length),
e = 0,
t = o.length;
e < t;
e++
) {
var s = o.charCodeAt(e);
(n[2 * e] = s >>> 8), (n[2 * e + 1] = s % 256);
}
return n;
},
decompressFromUint8Array: function (o) {
if (null == o) return i.decompress(o);
for (var n = new Array(o.length / 2), e = 0, t = n.length; e < t; e++)
n[e] = 256 * o[2 * e] + o[2 * e + 1];
var s = [];
return (
n.forEach(function (o) {
s.push(r(o));
}),
i.decompress(s.join(""))
);
},
compressToEncodedURIComponent: function (r) {
return null == r
? ""
: i._compress(r, 6, function (r) {
return n.charAt(r);
});
},
decompressFromEncodedURIComponent: function (r) {
return null == r
? ""
: "" == r
? null
: ((r = r.replace(/ /g, "+")),
i._decompress(r.length, 32, function (o) {
return t(n, r.charAt(o));
}));
},
compress: function (o) {
return i._compress(o, 16, function (o) {
return r(o);
});
},
_compress: function (r, o, n) {
if (null == r) return "";
var e,
t,
i,
s = {},
u = {},
a = "",
p = "",
c = "",
l = 2,
f = 3,
h = 2,
d = [],
m = 0,
v = 0;
for (i = 0; i < r.length; i += 1)
if (
((a = r.charAt(i)),
Object.prototype.hasOwnProperty.call(s, a) ||
((s[a] = f++), (u[a] = !0)),
(p = c + a),
Object.prototype.hasOwnProperty.call(s, p))
)
c = p;
else {
if (Object.prototype.hasOwnProperty.call(u, c)) {
if (c.charCodeAt(0) < 256) {
for (e = 0; e < h; e++)
(m <<= 1),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++;
for (t = c.charCodeAt(0), e = 0; e < 8; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
} else {
for (t = 1, e = 0; e < h; e++)
(m = (m << 1) | t),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t = 0);
for (t = c.charCodeAt(0), e = 0; e < 16; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
}
0 == --l && ((l = Math.pow(2, h)), h++), delete u[c];
} else
for (t = s[c], e = 0; e < h; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
0 == --l && ((l = Math.pow(2, h)), h++),
(s[p] = f++),
(c = String(a));
}
if ("" !== c) {
if (Object.prototype.hasOwnProperty.call(u, c)) {
if (c.charCodeAt(0) < 256) {
for (e = 0; e < h; e++)
(m <<= 1),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++;
for (t = c.charCodeAt(0), e = 0; e < 8; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
} else {
for (t = 1, e = 0; e < h; e++)
(m = (m << 1) | t),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t = 0);
for (t = c.charCodeAt(0), e = 0; e < 16; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
}
0 == --l && ((l = Math.pow(2, h)), h++), delete u[c];
} else
for (t = s[c], e = 0; e < h; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
0 == --l && ((l = Math.pow(2, h)), h++);
}
for (t = 2, e = 0; e < h; e++)
(m = (m << 1) | (1 & t)),
v == o - 1 ? ((v = 0), d.push(n(m)), (m = 0)) : v++,
(t >>= 1);
for (;;) {
if (((m <<= 1), v == o - 1)) {
d.push(n(m));
break;
}
v++;
}
return d.join("");
},
decompress: function (r) {
return null == r
? ""
: "" == r
? null
: i._decompress(r.length, 32768, function (o) {
return r.charCodeAt(o);
});
},
_decompress: function (o, n, e) {
var t,
i,
s,
u,
a,
p,
c,
l = [],
f = 4,
h = 4,
d = 3,
m = "",
v = [],
g = { val: e(0), position: n, index: 1 };
for (t = 0; t < 3; t += 1) l[t] = t;
for (s = 0, a = Math.pow(2, 2), p = 1; p != a; )
(u = g.val & g.position),
(g.position >>= 1),
0 == g.position && ((g.position = n), (g.val = e(g.index++))),
(s |= (u > 0 ? 1 : 0) * p),
(p <<= 1);
switch (s) {
case 0:
for (s = 0, a = Math.pow(2, 8), p = 1; p != a; )
(u = g.val & g.position),
(g.position >>= 1),
0 == g.position && ((g.position = n), (g.val = e(g.index++))),
(s |= (u > 0 ? 1 : 0) * p),
(p <<= 1);
c = r(s);
break;
case 1:
for (s = 0, a = Math.pow(2, 16), p = 1; p != a; )
(u = g.val & g.position),
(g.position >>= 1),
0 == g.position && ((g.position = n), (g.val = e(g.index++))),
(s |= (u > 0 ? 1 : 0) * p),
(p <<= 1);
c = r(s);
break;
case 2:
return "";
}
for (l[3] = c, i = c, v.push(c); ; ) {
if (g.index > o) return "";
for (s = 0, a = Math.pow(2, d), p = 1; p != a; )
(u = g.val & g.position),
(g.position >>= 1),
0 == g.position && ((g.position = n), (g.val = e(g.index++))),
(s |= (u > 0 ? 1 : 0) * p),
(p <<= 1);
switch ((c = s)) {
case 0:
for (s = 0, a = Math.pow(2, 8), p = 1; p != a; )
(u = g.val & g.position),
(g.position >>= 1),
0 == g.position &&
((g.position = n), (g.val = e(g.index++))),
(s |= (u > 0 ? 1 : 0) * p),
(p <<= 1);
(l[h++] = r(s)), (c = h - 1), f--;
break;
case 1:
for (s = 0, a = Math.pow(2, 16), p = 1; p != a; )
(u = g.val & g.position),
(g.position >>= 1),
0 == g.position &&
((g.position = n), (g.val = e(g.index++))),
(s |= (u > 0 ? 1 : 0) * p),
(p <<= 1);
(l[h++] = r(s)), (c = h - 1), f--;
break;
case 2:
return v.join("");
}
if ((0 == f && ((f = Math.pow(2, d)), d++), l[c])) m = l[c];
else {
if (c !== h) return null;
m = i + i.charAt(0);
}
v.push(m),
(l[h++] = i + m.charAt(0)),
(i = m),
0 == --f && ((f = Math.pow(2, d)), d++);
}
},
};
return i;
})();
"function" == typeof define && define.amd
? define(function () {
return LZString;
})
: "undefined" != typeof module && null != module
? (module.exports = LZString)
: "undefined" != typeof angular &&
null != angular &&
angular.module("LZString", []).factory("LZString", function () {
return LZString;
});

45
static/js/modules/crypto/paillier.js
View File

@ -4,6 +4,25 @@ import { gcd, mod_exp } from "./math.js";
const PAILLIER = 0;
const JURIK = 1;
function RSTransform(g, a, p) {
let plainText = p.toString(16);
if (plainText.length % 2 !== 0) {
plainText = "0" + plainText;
}
let aStr = a.toString(16);
if (aStr.length % 2 !== 0) {
aStr = "0" + aStr;
}
let hasher = new jsSHA("SHAKE256", "HEX");
hasher.update(g.toString(16));
hasher.update(plainText);
hasher.update(aStr);
return BigInt("0x" + hasher.getHash("HEX", { outputLen: 2048 }));
}
class Ciphertext {
constructor(key, plainText, r, set) {
if (set !== undefined) {
@ -93,28 +112,12 @@ class Ciphertext {
}
let a = mod_exp(rp, this.pubKey.n, this.pubKey.n2);
let hasher = new jsSHA("SHAKE256", "HEX");
let plainText = this.plainText.toString(16);
if (plainText.length % 2 !== 0) {
plainText = "0" + plainText;
}
let aStr = a.toString(16);
if (aStr.length % 2 !== 0) {
aStr = "0" + aStr;
}
hasher.update(this.pubKey.g.toString(16));
hasher.update(plainText);
hasher.update(aStr);
let challenge = BigInt("0x" + hasher.getHash("HEX", { outputLen: 2048 }));
let challenge = RSTransform(this.pubKey.g, a, this.plainText);
return {
plainText: "0x" + this.plainText.toString(16),
a: "0x" + a.toString(16),
challenge: "0x" + challenge.toString(16),
proof:
"0x" +
(
@ -195,11 +198,17 @@ export class ReadOnlyCiphertext {
}
verifyNI(statement) {
let challenge = RSTransform(
this.pubKey.g,
BigInt(statement.a),
BigInt(statement.plainText)
);
let verifier = new ValueProofSessionVerifier(
this,
BigInt(statement.plainText),
BigInt(statement.a),
BigInt(statement.challenge)
challenge
);
if (verifier.verify(BigInt(statement.proof))) {

2
static/js/modules/crypto/random_primes.js
View File

@ -1,6 +1,6 @@
import { mod_exp } from "./math.js";
export const KEY_SIZE = 512;
export const KEY_SIZE = 2048;
export function cryptoRandom(bits) {
if (bits === undefined) {

1
static/js/modules/interface/proofs.js
View File

@ -135,7 +135,6 @@ export function verifyRegions(obj, key) {
let plaintext = c.verifyNI(verification.zeroProofs[regionName]);
if (plaintext !== 0n) {
console.log(plaintext);
return false;
}
}