Package org.bouncycastle.crypto.general
Class GeneralSecureRandom
- java.lang.Object
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- java.util.Random
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- java.security.SecureRandom
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- org.bouncycastle.crypto.general.GeneralSecureRandom
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- All Implemented Interfaces:
java.io.Serializable
public final class GeneralSecureRandom extends java.security.SecureRandom
Base class for DRBG/RNG SecureRandom implementations that use non-FIPS approved algorithms.- See Also:
- Serialized Form
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description byte[]
generateSeed(int numBytes)
int
getBlockSize()
Return the block size of the underlying DRBGvoid
nextBytes(byte[] bytes)
void
nextBytes(byte[] bytes, byte[] additionalInput)
void
reseed()
Force a reseed.void
reseed(byte[] additionalInput)
Force a reseed with additional input.void
setSeed(byte[] seed)
void
setSeed(long seed)
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Methods inherited from class java.security.SecureRandom
getAlgorithm, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstanceStrong, getParameters, getProvider, getSeed, next, nextBytes, reseed, toString
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Method Detail
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setSeed
public void setSeed(byte[] seed)
- Overrides:
setSeed
in classjava.security.SecureRandom
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setSeed
public void setSeed(long seed)
- Overrides:
setSeed
in classjava.security.SecureRandom
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nextBytes
public void nextBytes(byte[] bytes)
- Overrides:
nextBytes
in classjava.security.SecureRandom
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nextBytes
public void nextBytes(byte[] bytes, byte[] additionalInput)
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generateSeed
public byte[] generateSeed(int numBytes)
- Overrides:
generateSeed
in classjava.security.SecureRandom
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getBlockSize
public int getBlockSize()
Return the block size of the underlying DRBG- Returns:
- number of bits produced each cycle.
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reseed
public void reseed()
Force a reseed.- Overrides:
reseed
in classjava.security.SecureRandom
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reseed
public void reseed(byte[] additionalInput)
Force a reseed with additional input.- Parameters:
additionalInput
- additional input to be used in conjunction with reseed.
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