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-rw-r--r--libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/paddings/ZeroBytePadding.java73
1 files changed, 0 insertions, 73 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/paddings/ZeroBytePadding.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/paddings/ZeroBytePadding.java
deleted file mode 100644
index 53c805999..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/paddings/ZeroBytePadding.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package org.spongycastle.crypto.paddings;
-
-import java.security.SecureRandom;
-
-import org.spongycastle.crypto.InvalidCipherTextException;
-
-/**
- * A padder that adds NULL byte padding to a block.
- */
-public class ZeroBytePadding
- implements BlockCipherPadding
-{
- /**
- * Initialise the padder.
- *
- * @param random - a SecureRandom if available.
- */
- public void init(SecureRandom random)
- throws IllegalArgumentException
- {
- // nothing to do.
- }
-
- /**
- * Return the name of the algorithm the padder implements.
- *
- * @return the name of the algorithm the padder implements.
- */
- public String getPaddingName()
- {
- return "ZeroByte";
- }
-
- /**
- * add the pad bytes to the passed in block, returning the
- * number of bytes added.
- */
- public int addPadding(
- byte[] in,
- int inOff)
- {
- int added = (in.length - inOff);
-
- while (inOff < in.length)
- {
- in[inOff] = (byte) 0;
- inOff++;
- }
-
- return added;
- }
-
- /**
- * return the number of pad bytes present in the block.
- */
- public int padCount(byte[] in)
- throws InvalidCipherTextException
- {
- int count = in.length;
-
- while (count > 0)
- {
- if (in[count - 1] != 0)
- {
- break;
- }
-
- count--;
- }
-
- return in.length - count;
- }
-}