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Bouncy Castle Cryptography 1.45 | ||||||||
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java.lang.Objectorg.bouncycastle.crypto.encodings.PKCS1Encoding
public class PKCS1Encoding
this does your basic PKCS 1 v1.5 padding - whether or not you should be using this depends on your application - see PKCS1 Version 2 for details.
| Field Summary | |
|---|---|
static java.lang.String |
STRICT_LENGTH_ENABLED_PROPERTY
some providers fail to include the leading zero in PKCS1 encoded blocks. |
| Constructor Summary | |
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PKCS1Encoding(AsymmetricBlockCipher cipher)
Basic constructor. |
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| Method Summary | |
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int |
getInputBlockSize()
returns the largest size an input block can be. |
int |
getOutputBlockSize()
returns the maximum size of the block produced by this cipher. |
AsymmetricBlockCipher |
getUnderlyingCipher()
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void |
init(boolean forEncryption,
CipherParameters param)
initialise the cipher. |
byte[] |
processBlock(byte[] in,
int inOff,
int inLen)
process the block of len bytes stored in in from offset inOff. |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
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public static final java.lang.String STRICT_LENGTH_ENABLED_PROPERTY
The system property is checked during construction of the encoding object, it is set to true by default.
| Constructor Detail |
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public PKCS1Encoding(AsymmetricBlockCipher cipher)
cipher - | Method Detail |
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public AsymmetricBlockCipher getUnderlyingCipher()
public void init(boolean forEncryption,
CipherParameters param)
AsymmetricBlockCipher
init in interface AsymmetricBlockCipherforEncryption - if true the cipher is initialised for
encryption, if false for decryption.param - the key and other data required by the cipher.public int getInputBlockSize()
AsymmetricBlockCipher
getInputBlockSize in interface AsymmetricBlockCipherpublic int getOutputBlockSize()
AsymmetricBlockCipher
getOutputBlockSize in interface AsymmetricBlockCipher
public byte[] processBlock(byte[] in,
int inOff,
int inLen)
throws InvalidCipherTextException
AsymmetricBlockCipher
processBlock in interface AsymmetricBlockCipherin - the input datainOff - offset into the in array where the data startsinLen - the length of the block to be processed.
InvalidCipherTextException - data decrypts improperly.
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