Bouncy Castle Provider (FIPS Distribution) 1.0.2.5 · org.bouncycastle.jcajce.spec.DHDomainParameterSpec

Modifier and Type	Field and Description
private final BigInteger	j
private final int	m
private final BigInteger	q
private final DHValidationParameters	validationParameters

Constructor Summary

Access	Constructor and Description
public	DHDomainParameterSpec(DHDomainParameters the Diffie-Hellman domain parameters to wrap. domainParameters) Base constructor - use the values in an existing set of domain parameters.
public	DHDomainParameterSpec(BigInteger the prime p defining the Galois field. p, BigInteger specifies the prime factor of p - 1 q, BigInteger the generator of the multiplicative subgroup of order g. g) Minimal constructor for parameters able to be used to verify a public key, or use with MQV.
public	DHDomainParameterSpec(BigInteger the prime p defining the Galois field. p, BigInteger specifies the prime factor of p - 1 q, BigInteger the generator of the multiplicative subgroup of order g. g, int the maximum bit length for the private value. l) Minimal constructor for parameters able to be used to verify a public key, or use with MQV, and a private value length.
public	DHDomainParameterSpec(BigInteger the prime p defining the Galois field. p, BigInteger specifies the prime factor of p - 1 q, BigInteger the generator of the multiplicative subgroup of order g. g, BigInteger optionally specifies the value that satisfies the equation p = jq+1 j, int the maximum bit length for the private value. l, DHValidationParameters parameters for validating these domain parameters. validationParameters) X9.42 parameters with private value length.
public	DHDomainParameterSpec(BigInteger the prime p defining the Galois field. p, BigInteger specifies the prime factor of p - 1 q, BigInteger the generator of the multiplicative subgroup of order g. g, BigInteger optionally specifies the value that satisfies the equation p = jq+1 j, int the minimum bit length for the private value. m, int the maximum bit length for the private value. l, DHValidationParameters parameters for validating these domain parameters. validationParameters) Base constructor - the full domain parameter set.

Method Summary

Modifier and Type	Method and Description
public DHDomainParameters	Returns: the internal DHDomainParameters. getDomainParameters() Return the DHDomainParameters object we represent.
public BigInteger	Returns: the value J, null otherwise. getJ() Return the J value for the domain parameter set if available.
public int	Returns: minimum bitlength for private value. getM() Return the minimum bitlength for a private value to be generated from these parameters, 0 if not set.
public BigInteger	Returns: the value Q. getQ() Return the Q value for the domain parameter set.
public DHValidationParameters	Returns: the Diffie-Hellman validation parameters. getValidationParameters() Return the validation parameters for the domain parameter set.

Inherited from javax.crypto.spec.DHParameterSpec:: getG getL getP

Field Detail

j	back to summary
private final BigInteger j

m	back to summary
private final int m

q	back to summary
private final BigInteger q

validationParameters	back to summary
private final DHValidationParameters validationParameters

Constructor Detail

DHDomainParameterSpec	back to summary
public DHDomainParameterSpec(DHDomainParameters domainParameters) Base constructor - use the values in an existing set of domain parameters. Parameters domainParameters:DHDomainParameters the Diffie-Hellman domain parameters to wrap.

DHDomainParameterSpec

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public DHDomainParameterSpec(DHDomainParameters domainParameters)

Base constructor - use the values in an existing set of domain parameters.

Parameters

domainParameters:DHDomainParameters: the Diffie-Hellman domain parameters to wrap.

DHDomainParameterSpec	back to summary
public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g) Minimal constructor for parameters able to be used to verify a public key, or use with MQV. Parameters p:BigInteger the prime p defining the Galois field. q:BigInteger specifies the prime factor of p - 1 g:BigInteger the generator of the multiplicative subgroup of order g.

DHDomainParameterSpec

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public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g)

Minimal constructor for parameters able to be used to verify a public key, or use with MQV.

Parameters

p:BigInteger: the prime p defining the Galois field.
q:BigInteger: specifies the prime factor of p - 1
g:BigInteger: the generator of the multiplicative subgroup of order g.

DHDomainParameterSpec	back to summary
public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g, int l) Minimal constructor for parameters able to be used to verify a public key, or use with MQV, and a private value length. Parameters p:BigInteger the prime p defining the Galois field. q:BigInteger specifies the prime factor of p - 1 g:BigInteger the generator of the multiplicative subgroup of order g. l:int the maximum bit length for the private value.

DHDomainParameterSpec

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public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g, int l)

Minimal constructor for parameters able to be used to verify a public key, or use with MQV, and a private value length.

Parameters

p:BigInteger: the prime p defining the Galois field.
q:BigInteger: specifies the prime factor of p - 1
g:BigInteger: the generator of the multiplicative subgroup of order g.
l:int: the maximum bit length for the private value.

DHDomainParameterSpec	back to summary
public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g, BigInteger j, int l, DHValidationParameters validationParameters) X9.42 parameters with private value length. Parameters p:BigInteger the prime p defining the Galois field. q:BigInteger specifies the prime factor of p - 1 g:BigInteger the generator of the multiplicative subgroup of order g. j:BigInteger optionally specifies the value that satisfies the equation p = jq+1 l:int the maximum bit length for the private value. validationParameters:DHValidationParameters parameters for validating these domain parameters.

DHDomainParameterSpec

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public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g, BigInteger j, int l, DHValidationParameters validationParameters)

X9.42 parameters with private value length.

Parameters

p:BigInteger: the prime p defining the Galois field.
q:BigInteger: specifies the prime factor of p - 1
g:BigInteger: the generator of the multiplicative subgroup of order g.
j:BigInteger: optionally specifies the value that satisfies the equation p = jq+1
l:int: the maximum bit length for the private value.
validationParameters:DHValidationParameters: parameters for validating these domain parameters.

DHDomainParameterSpec	back to summary
public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g, BigInteger j, int m, int l, DHValidationParameters validationParameters) Base constructor - the full domain parameter set. Parameters p:BigInteger the prime p defining the Galois field. q:BigInteger specifies the prime factor of p - 1 g:BigInteger the generator of the multiplicative subgroup of order g. j:BigInteger optionally specifies the value that satisfies the equation p = jq+1 m:int the minimum bit length for the private value. l:int the maximum bit length for the private value. validationParameters:DHValidationParameters parameters for validating these domain parameters.

DHDomainParameterSpec

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public DHDomainParameterSpec(BigInteger p, BigInteger q, BigInteger g, BigInteger j, int m, int l, DHValidationParameters validationParameters)

Base constructor - the full domain parameter set.

Parameters

p:BigInteger: the prime p defining the Galois field.
q:BigInteger: specifies the prime factor of p - 1
g:BigInteger: the generator of the multiplicative subgroup of order g.
j:BigInteger: optionally specifies the value that satisfies the equation p = jq+1
m:int: the minimum bit length for the private value.
l:int: the maximum bit length for the private value.
validationParameters:DHValidationParameters: parameters for validating these domain parameters.

Method Detail

getDomainParameters	back to summary
public DHDomainParameters getDomainParameters() Return the DHDomainParameters object we represent. Returns:DHDomainParameters the internal DHDomainParameters.

getDomainParameters

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public DHDomainParameters getDomainParameters()

Return the DHDomainParameters object we represent.

Returns:DHDomainParameters: the internal DHDomainParameters.

getJ	back to summary
public BigInteger getJ() Return the J value for the domain parameter set if available. Returns:BigInteger the value J, null otherwise.

getJ

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public BigInteger getJ()

Return the J value for the domain parameter set if available.

Returns:BigInteger: the value J, null otherwise.

getM	back to summary
public int getM() Return the minimum bitlength for a private value to be generated from these parameters, 0 if not set. Returns:int minimum bitlength for private value.

getM

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public int getM()

Return the minimum bitlength for a private value to be generated from these parameters, 0 if not set.

Returns:int: minimum bitlength for private value.

getQ	back to summary
public BigInteger getQ() Return the Q value for the domain parameter set. Returns:BigInteger the value Q.

getQ

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public BigInteger getQ()

Return the Q value for the domain parameter set.

Returns:BigInteger: the value Q.

getValidationParameters	back to summary
public DHValidationParameters getValidationParameters() Return the validation parameters for the domain parameter set. Returns:DHValidationParameters the Diffie-Hellman validation parameters.

getValidationParameters

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public DHValidationParameters getValidationParameters()

Return the validation parameters for the domain parameter set.

Returns:DHValidationParameters: the Diffie-Hellman validation parameters.

public Class DHDomainParameterSpec

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