| java.lang.Object | |
| ↳ | org.bouncycastle.crypto.paddings.ISO7816d4Padding |
Class Overview
A padder that adds the padding according to the scheme referenced in ISO 7814-4 - scheme 2 from ISO 9797-1. The first byte is 0x80, rest is 0x00
Summary
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add the pad bytes to the passed in block, returning the
number of bytes added.
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Return the name of the algorithm the padder implements.
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Initialise the padder.
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return the number of pad bytes present in the block.
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From class
java.lang.Object
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From interface
org.bouncycastle.crypto.paddings.BlockCipherPadding
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Public Constructors
public ISO7816d4Padding ()
Public Methods
public int addPadding (byte[] in, int inOff)
add the pad bytes to the passed in block, returning the number of bytes added.
public String getPaddingName ()
Return the name of the algorithm the padder implements.
Returns
- the name of the algorithm the padder implements.
public void init (SecureRandom random)
Initialise the padder.
Parameters
| random | - a SecureRandom if available. |
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Throws
| IllegalArgumentException |
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public int padCount (byte[] in)
return the number of pad bytes present in the block.
Throws
| InvalidCipherTextException |
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