compact1, compact2, compact3
java.security.spec
Class RSAKeyGenParameterSpec
- java.lang.Object
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- java.security.spec.RSAKeyGenParameterSpec
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- All Implemented Interfaces:
- AlgorithmParameterSpec
public class RSAKeyGenParameterSpec extends Object implements AlgorithmParameterSpec
This class specifies the set of parameters used to generate an RSA key pair.- Since:
- 1.3
- See Also:
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KeyPairGenerator.initialize(java.security.spec.AlgorithmParameterSpec)
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Field Summary
Fields Modifier and Type Field and Description static BigIntegerF0The public-exponent value F0 = 3.static BigIntegerF4The public exponent-value F4 = 65537.
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Constructor Summary
Constructors Constructor and Description RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent)Constructs a newRSAKeyGenParameterSpecobject from the given keysize, public-exponent value, and null key parameters.RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent, AlgorithmParameterSpec keyParams)Constructs a newRSAKeyGenParameterSpecobject from the given keysize, public-exponent value, and key parameters.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description AlgorithmParameterSpecgetKeyParams()Returns the parameters to be associated with key.intgetKeysize()Returns the keysize.BigIntegergetPublicExponent()Returns the public-exponent value.
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Field Detail
F0
public static final BigInteger F0
The public-exponent value F0 = 3.
F4
public static final BigInteger F4
The public exponent-value F4 = 65537.
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Constructor Detail
RSAKeyGenParameterSpec
public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent)Constructs a newRSAKeyGenParameterSpecobject from the given keysize, public-exponent value, and null key parameters.- Parameters:
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keysize- the modulus size (specified in number of bits) -
publicExponent- the public exponent
RSAKeyGenParameterSpec
public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent, AlgorithmParameterSpec keyParams)Constructs a newRSAKeyGenParameterSpecobject from the given keysize, public-exponent value, and key parameters.- API Note:
- This method is defined in Java SE 8 Maintenance Release 3.
- Parameters:
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keysize- the modulus size (specified in number of bits) -
publicExponent- the public exponent -
keyParams- the key parameters, may be null - Since:
- 8
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Method Detail
getKeysize
public int getKeysize()
Returns the keysize.- Returns:
- the keysize.
getPublicExponent
public BigInteger getPublicExponent()
Returns the public-exponent value.- Returns:
- the public-exponent value.
getKeyParams
public AlgorithmParameterSpec getKeyParams()
Returns the parameters to be associated with key.- API Note:
- This method is defined in Java SE 8 Maintenance Release 3.
- Returns:
- the associated parameters, may be null if not present
- Since:
- 8
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