增加了git功能，但是还未完善

2025-11-24 17:53:48 +08:00
parent 925024bce1
commit fa1e291bed
682 changed files with 131314 additions and 157 deletions
--- a/node_modules/sha.js/sha256.js
+++ b/node_modules/sha.js/sha256.js
@@ -0,0 +1,189 @@
+'use strict';
+
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
+
+var inherits = require('inherits');
+var Hash = require('./hash');
+var Buffer = require('safe-buffer').Buffer;
+
+var K = [
+	0x428A2F98,
+	0x71374491,
+	0xB5C0FBCF,
+	0xE9B5DBA5,
+	0x3956C25B,
+	0x59F111F1,
+	0x923F82A4,
+	0xAB1C5ED5,
+	0xD807AA98,
+	0x12835B01,
+	0x243185BE,
+	0x550C7DC3,
+	0x72BE5D74,
+	0x80DEB1FE,
+	0x9BDC06A7,
+	0xC19BF174,
+	0xE49B69C1,
+	0xEFBE4786,
+	0x0FC19DC6,
+	0x240CA1CC,
+	0x2DE92C6F,
+	0x4A7484AA,
+	0x5CB0A9DC,
+	0x76F988DA,
+	0x983E5152,
+	0xA831C66D,
+	0xB00327C8,
+	0xBF597FC7,
+	0xC6E00BF3,
+	0xD5A79147,
+	0x06CA6351,
+	0x14292967,
+	0x27B70A85,
+	0x2E1B2138,
+	0x4D2C6DFC,
+	0x53380D13,
+	0x650A7354,
+	0x766A0ABB,
+	0x81C2C92E,
+	0x92722C85,
+	0xA2BFE8A1,
+	0xA81A664B,
+	0xC24B8B70,
+	0xC76C51A3,
+	0xD192E819,
+	0xD6990624,
+	0xF40E3585,
+	0x106AA070,
+	0x19A4C116,
+	0x1E376C08,
+	0x2748774C,
+	0x34B0BCB5,
+	0x391C0CB3,
+	0x4ED8AA4A,
+	0x5B9CCA4F,
+	0x682E6FF3,
+	0x748F82EE,
+	0x78A5636F,
+	0x84C87814,
+	0x8CC70208,
+	0x90BEFFFA,
+	0xA4506CEB,
+	0xBEF9A3F7,
+	0xC67178F2
+];
+
+var W = new Array(64);
+
+function Sha256() {
+	this.init();
+
+	this._w = W; // new Array(64)
+
+	Hash.call(this, 64, 56);
+}
+
+inherits(Sha256, Hash);
+
+Sha256.prototype.init = function () {
+	this._a = 0x6a09e667;
+	this._b = 0xbb67ae85;
+	this._c = 0x3c6ef372;
+	this._d = 0xa54ff53a;
+	this._e = 0x510e527f;
+	this._f = 0x9b05688c;
+	this._g = 0x1f83d9ab;
+	this._h = 0x5be0cd19;
+
+	return this;
+};
+
+function ch(x, y, z) {
+	return z ^ (x & (y ^ z));
+}
+
+function maj(x, y, z) {
+	return (x & y) | (z & (x | y));
+}
+
+function sigma0(x) {
+	return ((x >>> 2) | (x << 30)) ^ ((x >>> 13) | (x << 19)) ^ ((x >>> 22) | (x << 10));
+}
+
+function sigma1(x) {
+	return ((x >>> 6) | (x << 26)) ^ ((x >>> 11) | (x << 21)) ^ ((x >>> 25) | (x << 7));
+}
+
+function gamma0(x) {
+	return ((x >>> 7) | (x << 25)) ^ ((x >>> 18) | (x << 14)) ^ (x >>> 3);
+}
+
+function gamma1(x) {
+	return ((x >>> 17) | (x << 15)) ^ ((x >>> 19) | (x << 13)) ^ (x >>> 10);
+}
+
+Sha256.prototype._update = function (M) {
+	var w = this._w;
+
+	var a = this._a | 0;
+	var b = this._b | 0;
+	var c = this._c | 0;
+	var d = this._d | 0;
+	var e = this._e | 0;
+	var f = this._f | 0;
+	var g = this._g | 0;
+	var h = this._h | 0;
+
+	for (var i = 0; i < 16; ++i) {
+		w[i] = M.readInt32BE(i * 4);
+	}
+	for (; i < 64; ++i) {
+		w[i] = (gamma1(w[i - 2]) + w[i - 7] + gamma0(w[i - 15]) + w[i - 16]) | 0;
+	}
+
+	for (var j = 0; j < 64; ++j) {
+		var T1 = (h + sigma1(e) + ch(e, f, g) + K[j] + w[j]) | 0;
+		var T2 = (sigma0(a) + maj(a, b, c)) | 0;
+
+		h = g;
+		g = f;
+		f = e;
+		e = (d + T1) | 0;
+		d = c;
+		c = b;
+		b = a;
+		a = (T1 + T2) | 0;
+	}
+
+	this._a = (a + this._a) | 0;
+	this._b = (b + this._b) | 0;
+	this._c = (c + this._c) | 0;
+	this._d = (d + this._d) | 0;
+	this._e = (e + this._e) | 0;
+	this._f = (f + this._f) | 0;
+	this._g = (g + this._g) | 0;
+	this._h = (h + this._h) | 0;
+};
+
+Sha256.prototype._hash = function () {
+	var H = Buffer.allocUnsafe(32);
+
+	H.writeInt32BE(this._a, 0);
+	H.writeInt32BE(this._b, 4);
+	H.writeInt32BE(this._c, 8);
+	H.writeInt32BE(this._d, 12);
+	H.writeInt32BE(this._e, 16);
+	H.writeInt32BE(this._f, 20);
+	H.writeInt32BE(this._g, 24);
+	H.writeInt32BE(this._h, 28);
+
+	return H;
+};
+
+module.exports = Sha256;