From 372b15afed0b7477bd83062feaa7f24c4d40e38d Mon Sep 17 00:00:00 2001
From: Azul <azul@riseup.net>
Date: Thu, 23 Mar 2017 14:12:30 +0100
Subject: git subrepo clone https://leap.se/git/srp_js
 app/assets/javascripts/srp

subrepo:
  subdir:   "app/assets/javascripts/srp"
  merged:   "9e1a417"
upstream:
  origin:   "https://leap.se/git/srp_js"
  branch:   "master"
  commit:   "9e1a417"
git-subrepo:
  version:  "0.3.1"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "a7ee886"
---
 app/assets/javascripts/srp               |   1 -
 app/assets/javascripts/srp/lib/SHA256.js | 100 +++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 1 deletion(-)
 delete mode 160000 app/assets/javascripts/srp
 create mode 100644 app/assets/javascripts/srp/lib/SHA256.js

(limited to 'app/assets/javascripts/srp/lib/SHA256.js')

diff --git a/app/assets/javascripts/srp b/app/assets/javascripts/srp
deleted file mode 160000
index 9e1a417..0000000
--- a/app/assets/javascripts/srp
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9e1a41733468d4a3f5102b04277b9cd7b52d0a45
diff --git a/app/assets/javascripts/srp/lib/SHA256.js b/app/assets/javascripts/srp/lib/SHA256.js
new file mode 100644
index 0000000..f47077b
--- /dev/null
+++ b/app/assets/javascripts/srp/lib/SHA256.js
@@ -0,0 +1,100 @@
+/**
+*
+*  Secure Hash Algorithm (SHA256)
+*  http://www.webtoolkit.info/
+*
+*  Original code by Angel Marin, Paul Johnston.
+*
+**/
+ 
+function SHA256(s){
+ 
+	var chrsz   = 8;
+	var hexcase = 0;
+ 
+	function safe_add (x, y) {
+		var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+		var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+		return (msw << 16) | (lsw & 0xFFFF);
+	}
+ 
+	function S (X, n) { return ( X >>> n ) | (X << (32 - n)); }
+	function R (X, n) { return ( X >>> n ); }
+	function Ch(x, y, z) { return ((x & y) ^ ((~x) & z)); }
+	function Maj(x, y, z) { return ((x & y) ^ (x & z) ^ (y & z)); }
+	function Sigma0256(x) { return (S(x, 2) ^ S(x, 13) ^ S(x, 22)); }
+	function Sigma1256(x) { return (S(x, 6) ^ S(x, 11) ^ S(x, 25)); }
+	function Gamma0256(x) { return (S(x, 7) ^ S(x, 18) ^ R(x, 3)); }
+	function Gamma1256(x) { return (S(x, 17) ^ S(x, 19) ^ R(x, 10)); }
+ 
+	function core_sha256 (m, l) {
+		var K = new Array(0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0xFC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x6CA6351, 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 HASH = new Array(0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19);
+		var W = new Array(64);
+		var a, b, c, d, e, f, g, h, i, j;
+		var T1, T2;
+ 
+		m[l >> 5] |= 0x80 << (24 - l % 32);
+		m[((l + 64 >> 9) << 4) + 15] = l;
+ 
+		for ( var i = 0; i<m.length; i+=16 ) {
+			a = HASH[0];
+			b = HASH[1];
+			c = HASH[2];
+			d = HASH[3];
+			e = HASH[4];
+			f = HASH[5];
+			g = HASH[6];
+			h = HASH[7];
+ 
+			for ( var j = 0; j<64; j++) {
+				if (j < 16) W[j] = m[j + i];
+				else W[j] = safe_add(safe_add(safe_add(Gamma1256(W[j - 2]), W[j - 7]), Gamma0256(W[j - 15])), W[j - 16]);
+ 
+				T1 = safe_add(safe_add(safe_add(safe_add(h, Sigma1256(e)), Ch(e, f, g)), K[j]), W[j]);
+				T2 = safe_add(Sigma0256(a), Maj(a, b, c));
+ 
+				h = g;
+				g = f;
+				f = e;
+				e = safe_add(d, T1);
+				d = c;
+				c = b;
+				b = a;
+				a = safe_add(T1, T2);
+			}
+ 
+			HASH[0] = safe_add(a, HASH[0]);
+			HASH[1] = safe_add(b, HASH[1]);
+			HASH[2] = safe_add(c, HASH[2]);
+			HASH[3] = safe_add(d, HASH[3]);
+			HASH[4] = safe_add(e, HASH[4]);
+			HASH[5] = safe_add(f, HASH[5]);
+			HASH[6] = safe_add(g, HASH[6]);
+			HASH[7] = safe_add(h, HASH[7]);
+		}
+		return HASH;
+	}
+ 
+	function str2binb (str) {
+		var bin = Array();
+		var mask = (1 << chrsz) - 1;
+		for(var i = 0; i < str.length * chrsz; i += chrsz) {
+			bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i%32);
+		}
+		return bin;
+	}
+ 
+	function binb2hex (binarray) {
+		var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
+		var str = "";
+		for(var i = 0; i < binarray.length * 4; i++) {
+			str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) +
+			hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);
+		}
+		return str;
+	}
+
+	return binb2hex(core_sha256(str2binb(s), s.length * chrsz));
+ 
+}
-- 
cgit v1.2.3