AlgorithmParameterSpec
public final class DSAGenParameterSpec extends Object implements AlgorithmParameterSpec
Constructor | Description |
---|---|
DSAGenParameterSpec |
Creates a domain parameter specification for DSA parameter generation using primePLen and subprimeQLen . |
DSAGenParameterSpec |
Creates a domain parameter specification for DSA parameter generation using primePLen , subprimeQLen , and seedLen . |
Modifier and Type | Method | Description |
---|---|---|
int |
getPrimePLength() |
Returns the desired length of the prime P of the to-be-generated DSA domain parameters in bits. |
int |
getSeedLength() |
Returns the desired length of the domain parameter seed in bits. |
int |
getSubprimeQLength() |
Returns the desired length of the sub-prime Q of the to-be-generated DSA domain parameters in bits. |
public DSAGenParameterSpec(int primePLen, int subprimeQLen)
primePLen
and subprimeQLen
. The value of subprimeQLen
is also used as the default length of the domain parameter seed in bits.primePLen
- the desired length of the prime P in bits.subprimeQLen
- the desired length of the sub-prime Q in bits.IllegalArgumentException
- if primePLen
or subprimeQLen
is illegal per the specification of FIPS 186-3.public DSAGenParameterSpec(int primePLen, int subprimeQLen, int seedLen)
primePLen
, subprimeQLen
, and seedLen
.primePLen
- the desired length of the prime P in bits.subprimeQLen
- the desired length of the sub-prime Q in bits.seedLen
- the desired length of the domain parameter seed in bits, shall be equal to or greater than subprimeQLen
.IllegalArgumentException
- if primePLenLen
, subprimeQLen
, or seedLen
is illegal per the specification of FIPS 186-3.public int getPrimePLength()
public int getSubprimeQLength()
public int getSeedLength()
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/spec/DSAGenParameterSpec.html