com.ibm.crypto.fips.provider
Class SecureRandom
java.lang.Object
|
+--java.security.SecureRandomSpi
|
+--com.ibm.crypto.fips.provider.SecureRandom
- All Implemented Interfaces:
- AlgorithmStatus, java.io.Serializable
- public final class SecureRandom
- extends java.security.SecureRandomSpi
- implements java.io.Serializable, AlgorithmStatus
This class provides a cryptographically strong pseudo-random number
generator based on the SHA1 message digest algorithm.
Note that if a seed is not provided, we will generate a seed from a true
random number generator(TRNG).
- Version:
- 1.0, 07/09/99
- Author:
- Joyce Leung
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SecureRandom
public SecureRandom()
SecureRandom
public SecureRandom(byte[] seed)
isFipsApproved
public boolean isFipsApproved()
- Description copied from interface:
AlgorithmStatus
- Module identifies if the cryptographic operation (algorithm) is FIPS certified
- Specified by:
isFipsApproved
in interface AlgorithmStatus
- See Also:
AlgorithmStatus.isFipsApproved()
engineSetSeed
public void engineSetSeed(byte[] seed)
- Overrides:
engineSetSeed
in class java.security.SecureRandomSpi
internalSetSeed
protected void internalSetSeed(byte[] seed)
engineNextBytes
public void engineNextBytes(byte[] bytes)
- Overrides:
engineNextBytes
in class java.security.SecureRandomSpi
internalNextBytes
protected void internalNextBytes(byte[] bytes)
engineGenerateSeed
public byte[] engineGenerateSeed(int numBytes)
- Overrides:
engineGenerateSeed
in class java.security.SecureRandomSpi
internalGenerateSeed
protected byte[] internalGenerateSeed(int numBytes)