Class RSAKeyPairGenerator
- java.lang.Object
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- org.bouncycastle.crypto.generators.RSAKeyPairGenerator
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- All Implemented Interfaces:
AsymmetricCipherKeyPairGenerator
public class RSAKeyPairGenerator extends java.lang.Object implements AsymmetricCipherKeyPairGenerator
an RSA key pair generator.
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Constructor Summary
Constructors Constructor Description RSAKeyPairGenerator()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.math.BigInteger
chooseRandomPrime(int bitlength, java.math.BigInteger e, java.math.BigInteger sqrdBound)
Choose a random prime value for use with RSAAsymmetricCipherKeyPair
generateKeyPair()
return an AsymmetricCipherKeyPair containing the generated keys.void
init(KeyGenerationParameters param)
intialise the key pair generator.protected boolean
isProbablePrime(java.math.BigInteger x)
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Method Detail
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init
public void init(KeyGenerationParameters param)
Description copied from interface:AsymmetricCipherKeyPairGenerator
intialise the key pair generator.- Specified by:
init
in interfaceAsymmetricCipherKeyPairGenerator
- Parameters:
param
- the parameters the key pair is to be initialised with.
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generateKeyPair
public AsymmetricCipherKeyPair generateKeyPair()
Description copied from interface:AsymmetricCipherKeyPairGenerator
return an AsymmetricCipherKeyPair containing the generated keys.- Specified by:
generateKeyPair
in interfaceAsymmetricCipherKeyPairGenerator
- Returns:
- an AsymmetricCipherKeyPair containing the generated keys.
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chooseRandomPrime
protected java.math.BigInteger chooseRandomPrime(int bitlength, java.math.BigInteger e, java.math.BigInteger sqrdBound)
Choose a random prime value for use with RSA- Parameters:
bitlength
- the bit-length of the returned primee
- the RSA public exponent- Returns:
- A prime p, with (p-1) relatively prime to e
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isProbablePrime
protected boolean isProbablePrime(java.math.BigInteger x)
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