diff options
Diffstat (limited to '')
| -rw-r--r-- | java/SHA3.java | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/java/SHA3.java b/java/SHA3.java index 3fc84e2..151b0fa 100644 --- a/java/SHA3.java +++ b/java/SHA3.java @@ -91,7 +91,7 @@ public class SHA3 /** * Message chunk that is being processes */ - private static byte[] message; + private static byte[] message = null; /** * The current state @@ -368,8 +368,22 @@ public class SHA3 SHA3.nr = 12 + (SHA3.l << 1); SHA3.wmod = w == 64 ? -1L : (1L << SHA3.w) - 1L; SHA3.S = new long[25]; - SHA3.M = new byte[(SHA3.r * SHA3.b) >> 2]; + if ((SHA3.M == null) || ((SHA3.r * SHA3.b) >> 2 != SHA3.M.length)) + SHA3.M = new byte[(SHA3.r * SHA3.b) >> 2]; SHA3.mptr = 0; + if (SHA3.message == null) + SHA3.message = new byte[8 << 10]; + } + + + /** + * Free up static resources + */ + public static void dispose() + { + SHA3.S = null; + SHA3.M = null; + SHA3.message = null; } @@ -400,7 +414,7 @@ public class SHA3 System.arraycopy(msg, 0, SHA3.M, SHA3.mptr, msglen); int len = SHA3.mptr += msglen; len -= len % ((SHA3.r * SHA3.b) >> 3); - System.arraycopy(SHA3.M, 0, SHA3.message = new byte[len], 0, len); + System.arraycopy(SHA3.M, 0, (SHA3.message.length < len) ? (SHA3.message = new byte[len]) : SHA3.message, 0, len); System.arraycopy(SHA3.M, len, SHA3.M, 0, SHA3.mptr -= len); int n = Math.min(len, rr); @@ -551,7 +565,6 @@ public class SHA3 System.arraycopy(msg, 0, SHA3.M, SHA3.mptr, msglen); len = SHA3.pad10star1(SHA3.M, SHA3.mptr + msglen, SHA3.r); } - SHA3.M = null; int rr = SHA3.r >> 3; int nn = (SHA3.n + 7) >> 3; |