jython
diff --git a/‎Lib/test/test_hashlib.py‎
Lines changed: 0 additions & 349 deletions b/‎Lib/test/test_hashlib.py‎
Lines changed: 0 additions & 349 deletions
diff --git a/‎src/org/python/modules/_hashlib.java‎
Lines changed: 8 additions & 3 deletions b/‎src/org/python/modules/_hashlib.java‎
Lines changed: 8 additions & 3 deletions
@@ -162,7 +162,9 @@ private static final MessageDigest getDigest(String name) {
          */
         private MessageDigest cloneDigest() {
             try {
-                return (MessageDigest)digest.clone();
+                synchronized (this) {
+                    return (MessageDigest)digest.clone();
+                }
             } catch (CloneNotSupportedException cnse) {
                 throw Py.RuntimeError(String.format("_hashlib.HASH (%s) internal error", name));
             }
@@ -194,7 +196,10 @@ final void HASH_update(PyObject obj) {
                 throw Py.TypeError("update() argument 1 must be string or read-only buffer, not "
                                    + obj.getType().fastGetName());
             }
-            digest.update(StringUtil.toBytes(string));
+            byte[] input = StringUtil.toBytes(string);
+            synchronized (this) {
+                digest.update(input);
+            }
         }
 
         public PyObject digest() {
@@ -236,7 +241,7 @@ final PyObject HASH_copy() {
         }
 
         @ExposedGet(name = "digestsize")
-        public int getDigestSize() {
+        public synchronized int getDigestSize() {
             return digest.getDigestLength();
         }
Original file line number	Diff line number	Diff line change
`@@ -162,7 +162,9 @@ private static final MessageDigest getDigest(String name) {`
`162`	`162`	`*/`
`163`	`163`	`private MessageDigest cloneDigest() {`
`164`	`164`	`try {`
`165`		`- return (MessageDigest)digest.clone();`
	`165`	`+ synchronized (this) {`
	`166`	`+ return (MessageDigest)digest.clone();`
	`167`	`+ }`
`166`	`168`	`} catch (CloneNotSupportedException cnse) {`
`167`	`169`	`throw Py.RuntimeError(String.format("_hashlib.HASH (%s) internal error", name));`
`168`	`170`	`}`
`@@ -194,7 +196,10 @@ final void HASH_update(PyObject obj) {`
`194`	`196`	`throw Py.TypeError("update() argument 1 must be string or read-only buffer, not "`
`195`	`197`	`+ obj.getType().fastGetName());`
`196`	`198`	`}`
`197`		`- digest.update(StringUtil.toBytes(string));`
	`199`	`+ byte[] input = StringUtil.toBytes(string);`
	`200`	`+ synchronized (this) {`
	`201`	`+ digest.update(input);`
	`202`	`+ }`
`198`	`203`	`}`
`199`	`204`
`200`	`205`	`public PyObject digest() {`
`@@ -236,7 +241,7 @@ final PyObject HASH_copy() {`
`236`	`241`	`}`
`237`	`242`
`238`	`243`	`@ExposedGet(name = "digestsize")`
`239`		`- public int getDigestSize() {`
	`244`	`+ public synchronized int getDigestSize() {`
`240`	`245`	`return digest.getDigestLength();`
`241`	`246`	`}`
`242`	`247`