diff --git a/crypto/src/crypto/engines/SkipjackEngine.cs b/crypto/src/crypto/engines/SkipjackEngine.cs
index 3d2a781e6..a45dc9b24 100644
--- a/crypto/src/crypto/engines/SkipjackEngine.cs
+++ b/crypto/src/crypto/engines/SkipjackEngine.cs
@@ -43,7 +43,7 @@ namespace Org.BouncyCastle.Crypto.Engines
* @exception ArgumentException if the parameters argument is
* inappropriate.
*/
- public void Init(
+ public virtual void Init(
bool forEncryption,
ICipherParameters parameters)
{
@@ -71,22 +71,22 @@ namespace Org.BouncyCastle.Crypto.Engines
}
}
- public string AlgorithmName
+ public virtual string AlgorithmName
{
get { return "SKIPJACK"; }
}
- public bool IsPartialBlockOkay
+ public virtual bool IsPartialBlockOkay
{
get { return false; }
}
- public int GetBlockSize()
+ public virtual int GetBlockSize()
{
return BLOCK_SIZE;
}
- public int ProcessBlock(
+ public virtual int ProcessBlock(
byte[] input,
int inOff,
byte[] output,
@@ -94,12 +94,11 @@ namespace Org.BouncyCastle.Crypto.Engines
{
if (key1 == null)
throw new InvalidOperationException("SKIPJACK engine not initialised");
- if ((inOff + BLOCK_SIZE) > input.Length)
- throw new DataLengthException("input buffer too short");
- if ((outOff + BLOCK_SIZE) > output.Length)
- throw new DataLengthException("output buffer too short");
- if (encrypting)
+ Check.DataLength(input, inOff, BLOCK_SIZE, "input buffer too short");
+ Check.OutputLength(output, outOff, BLOCK_SIZE, "output buffer too short");
+
+ if (encrypting)
{
EncryptBlock(input, inOff, output, outOff);
}
@@ -111,7 +110,7 @@ namespace Org.BouncyCastle.Crypto.Engines
return BLOCK_SIZE;
}
- public void Reset()
+ public virtual void Reset()
{
}
@@ -135,7 +134,7 @@ namespace Org.BouncyCastle.Crypto.Engines
return ((g5 << 8) + g6);
}
- public int EncryptBlock(
+ public virtual int EncryptBlock(
byte[] input,
int inOff,
byte[] outBytes,
@@ -203,7 +202,7 @@ namespace Org.BouncyCastle.Crypto.Engines
return ((h6 << 8) + h5);
}
- public int DecryptBlock(
+ public virtual int DecryptBlock(
byte[] input,
int inOff,
byte[] outBytes,
@@ -251,5 +250,4 @@ namespace Org.BouncyCastle.Crypto.Engines
return BLOCK_SIZE;
}
}
-
}
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