diff options
Diffstat (limited to 'src/com/isode/stroke/stringcodecs/HMACSHA1.java')
-rw-r--r-- | src/com/isode/stroke/stringcodecs/HMACSHA1.java | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/com/isode/stroke/stringcodecs/HMACSHA1.java b/src/com/isode/stroke/stringcodecs/HMACSHA1.java deleted file mode 100644 index 36f8f80..0000000 --- a/src/com/isode/stroke/stringcodecs/HMACSHA1.java +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2010, Isode Limited, London, England. - * All rights reserved. - */ -/* - * Copyright (c) 2010, Remko Tronçon. - * All rights reserved. - */ -package com.isode.stroke.stringcodecs; - -import com.isode.stroke.base.ByteArray; - -public class HMACSHA1 { - - private static final int B = 64; - - public static ByteArray getResult(ByteArray key, ByteArray data) { - assert key.getSize() <= B; - - /* And an assert that does something */ - if (key.getSize() > B) { - throw new IllegalStateException("Invalid key size."); - } - - // Create the padded key - ByteArray paddedKey = new ByteArray(key); - for (int i = key.getSize(); i < B; ++i) { - paddedKey.append((byte) 0x0); - } - - // Create the first value - ByteArray x = new ByteArray(paddedKey); - byte[] xInner = x.getData(); - for (int i = 0; i < xInner.length; ++i) { - xInner[i] ^= 0x36; - } - x = new ByteArray(xInner); - x.append(data); - - // Create the second value - ByteArray y = new ByteArray(paddedKey); - byte[] yInner = y.getData(); - for (int i = 0; i < yInner.length; ++i) { - yInner[i] ^= 0x5c; - } - y = new ByteArray(yInner); - y.append(SHA1.getHash(x)); - - return SHA1.getHash(y); - } -} |