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Bouncy Castle Cryptography 1.45 | ||||||||
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java.lang.Objectorg.bouncycastle.crypto.PBEParametersGenerator
public abstract class PBEParametersGenerator
super class for all Password Based Encryption (PBE) parameter generator classes.
| Field Summary | |
|---|---|
protected int |
iterationCount
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protected byte[] |
password
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protected byte[] |
salt
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| Constructor Summary | |
|---|---|
protected |
PBEParametersGenerator()
base constructor. |
| Method Summary | |
|---|---|
abstract CipherParameters |
generateDerivedMacParameters(int keySize)
generate derived parameters for a key of length keySize, specifically for use with a MAC. |
abstract CipherParameters |
generateDerivedParameters(int keySize)
generate derived parameters for a key of length keySize. |
abstract CipherParameters |
generateDerivedParameters(int keySize,
int ivSize)
generate derived parameters for a key of length keySize, and an initialisation vector (IV) of length ivSize. |
int |
getIterationCount()
return the iteration count. |
byte[] |
getPassword()
return the password byte array. |
byte[] |
getSalt()
return the salt byte array. |
void |
init(byte[] password,
byte[] salt,
int iterationCount)
initialise the PBE generator. |
static byte[] |
PKCS12PasswordToBytes(char[] password)
converts a password to a byte array according to the scheme in PKCS12 (unicode, big endian, 2 zero pad bytes at the end). |
static byte[] |
PKCS5PasswordToBytes(char[] password)
converts a password to a byte array according to the scheme in PKCS5 (ascii, no padding) |
static byte[] |
PKCS5PasswordToUTF8Bytes(char[] password)
converts a password to a byte array according to the scheme in PKCS5 (UTF-8, no padding) |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected byte[] password
protected byte[] salt
protected int iterationCount
| Constructor Detail |
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protected PBEParametersGenerator()
| Method Detail |
|---|
public void init(byte[] password,
byte[] salt,
int iterationCount)
password - the password converted into bytes (see below).salt - the salt to be mixed with the password.iterationCount - the number of iterations the "mixing" function
is to be applied for.public byte[] getPassword()
public byte[] getSalt()
public int getIterationCount()
public abstract CipherParameters generateDerivedParameters(int keySize)
keySize - the length, in bits, of the key required.
public abstract CipherParameters generateDerivedParameters(int keySize,
int ivSize)
keySize - the length, in bits, of the key required.ivSize - the length, in bits, of the iv required.
public abstract CipherParameters generateDerivedMacParameters(int keySize)
keySize - the length, in bits, of the key required.
public static byte[] PKCS5PasswordToBytes(char[] password)
password - a character array reqpresenting the password.
public static byte[] PKCS5PasswordToUTF8Bytes(char[] password)
password - a character array reqpresenting the password.
public static byte[] PKCS12PasswordToBytes(char[] password)
password - a character array representing the password.
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Bouncy Castle Cryptography 1.45 | ||||||||
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