diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2014-01-05 15:37:11 +0400 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2014-01-05 15:37:11 +0400 |
| commit | 96b4d9571c71a4471479d941b1db71347842b707 (patch) | |
| tree | 4e9bd09e3d70fc40eb09d41966f59967484b36c4 | |
| parent | e6697907b17d71b33e32ad15160627aa01b7fe5e (diff) | |
Implement Integers rotate methods for J2ME and JDK 1.4
| -rw-r--r-- | core/src/main/j2me/org/bouncycastle/util/Integers.java | 10 | ||||
| -rw-r--r-- | core/src/main/jdk1.4/org/bouncycastle/util/Integers.java | 10 |
2 files changed, 20 insertions, 0 deletions
diff --git a/core/src/main/j2me/org/bouncycastle/util/Integers.java b/core/src/main/j2me/org/bouncycastle/util/Integers.java index 2b9aaee0..e461a77c 100644 --- a/core/src/main/j2me/org/bouncycastle/util/Integers.java +++ b/core/src/main/j2me/org/bouncycastle/util/Integers.java @@ -2,6 +2,16 @@ package org.bouncycastle.util; public class Integers { + public static int rotateLeft(int i, int distance) + { + return (i << distance) ^ (i >>> -distance); + } + + public static int rotateRight(int i, int distance) + { + return (i >>> distance) ^ (i << -distance); + } + public static Integer valueOf(int value) { return new Integer(value); diff --git a/core/src/main/jdk1.4/org/bouncycastle/util/Integers.java b/core/src/main/jdk1.4/org/bouncycastle/util/Integers.java index 2b9aaee0..e461a77c 100644 --- a/core/src/main/jdk1.4/org/bouncycastle/util/Integers.java +++ b/core/src/main/jdk1.4/org/bouncycastle/util/Integers.java @@ -2,6 +2,16 @@ package org.bouncycastle.util; public class Integers { + public static int rotateLeft(int i, int distance) + { + return (i << distance) ^ (i >>> -distance); + } + + public static int rotateRight(int i, int distance) + { + return (i >>> distance) ^ (i << -distance); + } + public static Integer valueOf(int value) { return new Integer(value); |