com.ibm.crypto.provider
Class SHA1PRNG
java.lang.Object
java.security.SecureRandomSpi
com.ibm.crypto.provider.SHA1PRNG
- All Implemented Interfaces:
- Serializable
public final class SHA1PRNG
- extends SecureRandomSpi
- implements Serializable
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).
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SHA1PRNG
public SHA1PRNG()
SHA1PRNG
public SHA1PRNG(byte[] seed)
isFipsApproved
public boolean isFipsApproved()
- See Also:
com.ibm.crypto.fips.provider.AlgorithmStatus#isFipsApproved()
engineSetSeed
public void engineSetSeed(byte[] seed)
- Specified by:
engineSetSeed
in class SecureRandomSpi
internalSetSeed
protected void internalSetSeed(byte[] seed)
engineNextBytes
public void engineNextBytes(byte[] bytes)
- Specified by:
engineNextBytes
in class SecureRandomSpi
internalNextBytes
protected void internalNextBytes(byte[] bytes)
engineGenerateSeed
public byte[] engineGenerateSeed(int numBytes)
- Specified by:
engineGenerateSeed
in class SecureRandomSpi
internalGenerateSeed
protected byte[] internalGenerateSeed(int numBytes)