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43
iTechSharp/srcbc/crypto/paddings/BlockCipherPadding.cs
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43
iTechSharp/srcbc/crypto/paddings/BlockCipherPadding.cs
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using System;
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using Org.BouncyCastle.Crypto;
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using Org.BouncyCastle.Security;
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namespace Org.BouncyCastle.Crypto.Paddings
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{
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/**
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* Block cipher padders are expected to conform to this interface
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*/
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public interface IBlockCipherPadding
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{
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/**
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* Initialise the padder.
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*
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* @param param parameters, if any required.
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*/
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void Init(SecureRandom random);
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//throws ArgumentException;
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/**
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* Return the name of the algorithm the cipher implements.
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*
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* @return the name of the algorithm the cipher implements.
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*/
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string PaddingName { get; }
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/**
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* add the pad bytes to the passed in block, returning the
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* number of bytes added.
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*/
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int AddPadding(byte[] input, int inOff);
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/**
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* return the number of pad bytes present in the block.
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* @exception InvalidCipherTextException if the padding is badly formed
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* or invalid.
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*/
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int PadCount(byte[] input);
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//throws InvalidCipherTextException;
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}
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}
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