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/sha1.js
+++ b/node_modules/sha.js/sha1.js
@@ -0,0 +1,109 @@
+'use strict';
+
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
+ * in FIPS PUB 180-1
+ * Version 2.1a Copyright Paul Johnston 2000 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for details.
+ */
+
+var inherits = require('inherits');
+var Hash = require('./hash');
+var Buffer = require('safe-buffer').Buffer;
+
+var K = [
+	0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+];
+
+var W = new Array(80);
+
+function Sha1() {
+	this.init();
+	this._w = W;
+
+	Hash.call(this, 64, 56);
+}
+
+inherits(Sha1, Hash);
+
+Sha1.prototype.init = function () {
+	this._a = 0x67452301;
+	this._b = 0xefcdab89;
+	this._c = 0x98badcfe;
+	this._d = 0x10325476;
+	this._e = 0xc3d2e1f0;
+
+	return this;
+};
+
+function rotl1(num) {
+	return (num << 1) | (num >>> 31);
+}
+
+function rotl5(num) {
+	return (num << 5) | (num >>> 27);
+}
+
+function rotl30(num) {
+	return (num << 30) | (num >>> 2);
+}
+
+function ft(s, b, c, d) {
+	if (s === 0) {
+		return (b & c) | (~b & d);
+	}
+	if (s === 2) {
+		return (b & c) | (b & d) | (c & d);
+	}
+	return b ^ c ^ d;
+}
+
+Sha1.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;
+
+	for (var i = 0; i < 16; ++i) {
+		w[i] = M.readInt32BE(i * 4);
+	}
+	for (; i < 80; ++i) {
+		w[i] = rotl1(w[i - 3] ^ w[i - 8] ^ w[i - 14] ^ w[i - 16]);
+	}
+
+	for (var j = 0; j < 80; ++j) {
+		var s = ~~(j / 20);
+		var t = (rotl5(a) + ft(s, b, c, d) + e + w[j] + K[s]) | 0;
+
+		e = d;
+		d = c;
+		c = rotl30(b);
+		b = a;
+		a = t;
+	}
+
+	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;
+};
+
+Sha1.prototype._hash = function () {
+	var H = Buffer.allocUnsafe(20);
+
+	H.writeInt32BE(this._a | 0, 0);
+	H.writeInt32BE(this._b | 0, 4);
+	H.writeInt32BE(this._c | 0, 8);
+	H.writeInt32BE(this._d | 0, 12);
+	H.writeInt32BE(this._e | 0, 16);
+
+	return H;
+};
+
+module.exports = Sha1;