Switch XOR input and output differential logic. Fixes #1155

n1474335 · n1474335 · commit c423de545fd0 · 2021-09-03T14:58:48.000+01:00
diff --git a/src/core/lib/BitwiseOp.mjs b/src/core/lib/BitwiseOp.mjs
@@ -34,10 +34,10 @@ export function bitOp (input, key, func, nullPreserving, scheme) {
             !(nullPreserving && (o === 0 || o === k))) {
             switch (scheme) {
                 case "Input differential":
-                    key[i % key.length] = x;
+                    key[i % key.length] = o;
                     break;
                 case "Output differential":
-                    key[i % key.length] = o;
+                    key[i % key.length] = x;
                     break;
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -34,10 +34,10 @@ export function bitOp (input, key, func, nullPreserving, scheme) {`
`34`	`34`	`!(nullPreserving && (o === 0 \|\| o === k))) {`
`35`	`35`	`switch (scheme) {`
`36`	`36`	`case "Input differential":`
`37`		`- key[i % key.length] = x;`
	`37`	`+ key[i % key.length] = o;`
`38`	`38`	`break;`
`39`	`39`	`case "Output differential":`
`40`		`- key[i % key.length] = o;`
	`40`	`+ key[i % key.length] = x;`
`41`	`41`	`break;`
`42`	`42`	`}`
`43`	`43`	`}`