java.security.spec.AlgorithmParameterSpec
public class DHDomainParameterSpec
extends javax.crypto.spec.DHParameterSpec
Constructor | Description |
---|---|
DHDomainParameterSpec(java.math.BigInteger p,
java.math.BigInteger q,
java.math.BigInteger g) |
Minimal constructor for parameters able to be used to verify a public key, or use with MQV.
|
DHDomainParameterSpec(java.math.BigInteger p,
java.math.BigInteger q,
java.math.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.
|
DHDomainParameterSpec(java.math.BigInteger p,
java.math.BigInteger q,
java.math.BigInteger g,
java.math.BigInteger j,
int l) |
X9.42 parameters with private value length.
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DHDomainParameterSpec(java.math.BigInteger p,
java.math.BigInteger q,
java.math.BigInteger g,
java.math.BigInteger j,
int m,
int l) |
Base constructor - the full domain parameter set.
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DHDomainParameterSpec(DHParameters domainParameters) |
Base constructor - use the values in an existing set of domain parameters.
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Modifier and Type | Method | Description |
---|---|---|
DHParameters |
getDomainParameters() |
Return the DHDomainParameters object we represent.
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java.math.BigInteger |
getJ() |
Return the J value for the domain parameter set if available.
|
int |
getM() |
Return the minimum bitlength for a private value to be generated from these parameters, 0 if not set.
|
java.math.BigInteger |
getQ() |
Return the Q value for the domain parameter set.
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public DHDomainParameterSpec(DHParameters domainParameters)
domainParameters
- the Diffie-Hellman domain parameters to wrap.public DHDomainParameterSpec(java.math.BigInteger p, java.math.BigInteger q, java.math.BigInteger g)
p
- the prime p defining the Galois field.g
- the generator of the multiplicative subgroup of order g.q
- specifies the prime factor of p - 1public DHDomainParameterSpec(java.math.BigInteger p, java.math.BigInteger q, java.math.BigInteger g, int l)
p
- the prime p defining the Galois field.g
- the generator of the multiplicative subgroup of order g.q
- specifies the prime factor of p - 1l
- the maximum bit length for the private value.public DHDomainParameterSpec(java.math.BigInteger p, java.math.BigInteger q, java.math.BigInteger g, java.math.BigInteger j, int l)
p
- the prime p defining the Galois field.g
- the generator of the multiplicative subgroup of order g.q
- specifies the prime factor of p - 1j
- optionally specifies the value that satisfies the equation p = jq+1l
- the maximum bit length for the private value.public DHDomainParameterSpec(java.math.BigInteger p, java.math.BigInteger q, java.math.BigInteger g, java.math.BigInteger j, int m, int l)
p
- the prime p defining the Galois field.g
- the generator of the multiplicative subgroup of order g.q
- specifies the prime factor of p - 1j
- optionally specifies the value that satisfies the equation p = jq+1m
- the minimum bit length for the private value.l
- the maximum bit length for the private value.public java.math.BigInteger getQ()
public java.math.BigInteger getJ()
public int getM()
public DHParameters getDomainParameters()