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org.bouncycastle.crypto.params

public Class DESedeParameters

extends DESParameters
Class Inheritance

Field Summary

Modifier and TypeField and Description
public static final int
DES_EDE_KEY_LENGTH

Inherited from org.bouncycastle.crypto.params.DESParameters:
DES_KEY_LENGTH

Constructor Summary

AccessConstructor and Description
public
DESedeParameters(byte[] key)

Method Summary

Modifier and TypeMethod and Description
public static boolean
isReal2Key(byte[]
bytes making up the key
key, int
offset into the byte array the key starts at
offset)

return true if the passed in key is a real 2 part DES-EDE key.

public static boolean
isReal3Key(byte[]
bytes making up the key
key, int
offset into the byte array the key starts at
offset)

return true if the passed in key is a real 3 part DES-EDE key.

public static boolean
isRealEDEKey(byte[]
bytes making up the key
key, int
offset into the byte array the key starts at
offset)

return true if the passed in key is a real 2/3 part DES-EDE key.

public static boolean
isWeakKey(byte[]
bytes making up the key
key, int
offset into the byte array the key starts at
offset, int
number of bytes making up the key
length)

return true if the passed in key is a DES-EDE weak key.

public static boolean
isWeakKey(byte[]
bytes making up the key
key, int
offset into the byte array the key starts at
offset)

Hides org.bouncycastle.crypto.params.DESParameters.isWeakKey.

return true if the passed in key is a DES-EDE weak key.
Inherited from org.bouncycastle.crypto.params.DESParameters:
setOddParity

Field Detail

DES_EDE_KEY_LENGTHback to summary
public static final int DES_EDE_KEY_LENGTH

Constructor Detail

DESedeParametersback to summary
public DESedeParameters(byte[] key)

Method Detail

isReal2Keyback to summary
public static boolean isReal2Key(byte[] key, int offset)

return true if the passed in key is a real 2 part DES-EDE key.

Parameters
key:byte[]

bytes making up the key

offset:int

offset into the byte array the key starts at

isReal3Keyback to summary
public static boolean isReal3Key(byte[] key, int offset)

return true if the passed in key is a real 3 part DES-EDE key.

Parameters
key:byte[]

bytes making up the key

offset:int

offset into the byte array the key starts at

isRealEDEKeyback to summary
public static boolean isRealEDEKey(byte[] key, int offset)

return true if the passed in key is a real 2/3 part DES-EDE key.

Parameters
key:byte[]

bytes making up the key

offset:int

offset into the byte array the key starts at

isWeakKeyback to summary
public static boolean isWeakKey(byte[] key, int offset, int length)

return true if the passed in key is a DES-EDE weak key.

Parameters
key:byte[]

bytes making up the key

offset:int

offset into the byte array the key starts at

length:int

number of bytes making up the key

isWeakKeyback to summary
public static boolean isWeakKey(byte[] key, int offset)

Hides org.bouncycastle.crypto.params.DESParameters.isWeakKey.

return true if the passed in key is a DES-EDE weak key.

Parameters
key:byte[]

bytes making up the key

offset:int

offset into the byte array the key starts at

Returns:boolean

Doc from org.bouncycastle.crypto.params.DESParameters.isWeakKey.

true if the given DES key material is weak or semi-weak, false otherwise.