Merge pull request #11 from kikito/pgimeno-fix-large-strings

Pgimeno fix large strings

.travis.yml

@@ -14,13 +14,11 @@ before_install:
   - export PATH=$PATH:$PWD/lua_install/bin # Add directory with all installed binaries to PATH
 
 install:
-  - luarocks install luacheck
   - luarocks install busted
   - luarocks install luacov
   - luarocks install luacov-coveralls
 
 script:
-  - luacheck --no-unused-args --std max+busted *.lua spec
   - busted --verbose --coverage
 
 after_success:

md5.lua

@@ -346,7 +346,8 @@ local function transform(A,B,C,D,X)
   c=z(i,c,d,a,b,X[ 2],15,t[63])
   b=z(i,b,c,d,a,X[ 9],21,t[64])
 
-  return A+a,B+b,C+c,D+d
+  return bit_and(A+a,0xFFFFFFFF),bit_and(B+b,0xFFFFFFFF),
+         bit_and(C+c,0xFFFFFFFF),bit_and(D+d,0xFFFFFFFF)
 end
 
 ----------------------------------------------------------------

spec/md5_spec.lua

@@ -15,16 +15,18 @@ describe('md5', function()
       assert.equal(md5.sumhexa('The quick brown fox jumps over the lazy dog.'), 'e4d909c290d0fb1ca068ffaddf22cbd0')
       assert.equal(md5.sumhexa(''), 'd41d8cd98f00b204e9800998ecf8427e')
       assert.equal(md5.sumhexa(('1'):rep(824)), 'a126fd3611ab8d9b7e8a3384e2fa78a0')
+      assert.equal(md5.sumhexa(('1'):rep(1528)), '3750b6a29d923b633e05d6ae76895664')
     end)
   end)
 
   describe('md5.sum', function()
     it('works', function()
       assert.equal(md5.sum("asdf"), hex2bin '912ec803b2ce49e4a541068d495ab570')
-      assert.equal(md5.sum('The quick brown fox jumps over the lazy dog'), hex2bin'9e107d9d372bb6826bd81d3542a419d6')
-      assert.equal(md5.sum('The quick brown fox jumps over the lazy dog.'), hex2bin'e4d909c290d0fb1ca068ffaddf22cbd0')
-      assert.equal(md5.sum(''), hex2bin'd41d8cd98f00b204e9800998ecf8427e')
-      assert.equal(md5.sum(('1'):rep(824)), hex2bin'a126fd3611ab8d9b7e8a3384e2fa78a0')
+      assert.equal(md5.sum('The quick brown fox jumps over the lazy dog'), hex2bin '9e107d9d372bb6826bd81d3542a419d6')
+      assert.equal(md5.sum('The quick brown fox jumps over the lazy dog.'), hex2bin 'e4d909c290d0fb1ca068ffaddf22cbd0')
+      assert.equal(md5.sum(''), hex2bin 'd41d8cd98f00b204e9800998ecf8427e')
+      assert.equal(md5.sum(('1'):rep(824)), hex2bin 'a126fd3611ab8d9b7e8a3384e2fa78a0')
+      assert.equal(md5.sum(('1'):rep(1528)), hex2bin '3750b6a29d923b633e05d6ae76895664')
     end)
   end)
 end)