- java.lang.Object
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- java.security.spec.ECFieldFp
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Constructor Summary
Constructors Constructor and Description ECFieldFp(BigInteger p)
Creates an elliptic curve prime finite field with the specified primep
.
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Method Summary
Methods Modifier and Type Method and Description boolean
equals(Object obj)
Compares this prime finite field for equality with the specified object.int
getFieldSize()
Returns the field size in bits which is size of prime p for this prime finite field.BigInteger
getP()
Returns the primep
of this prime finite field.int
hashCode()
Returns a hash code value for this prime finite field.
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Constructor Detail
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ECFieldFp
public ECFieldFp(BigInteger p)
Creates an elliptic curve prime finite field with the specified primep
.- Parameters:
p
- the prime.- Throws:
NullPointerException
- ifp
is null.IllegalArgumentException
- ifp
is not positive.
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Method Detail
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getFieldSize
public int getFieldSize()
Returns the field size in bits which is size of prime p for this prime finite field.- Specified by:
getFieldSize
in interfaceECField
- Returns:
- the field size in bits.
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getP
public BigInteger getP()
Returns the primep
of this prime finite field.- Returns:
- the prime.
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equals
public boolean equals(Object obj)
Compares this prime finite field for equality with the specified object.- Overrides:
equals
in classObject
- Parameters:
obj
- the object to be compared.- Returns:
- true if
obj
is an instance of ECFieldFp and the prime value match, false otherwise. - See Also:
Object.hashCode()
,HashMap
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hashCode
public int hashCode()
Returns a hash code value for this prime finite field.- Overrides:
hashCode
in classObject
- Returns:
- a hash code value.
- See Also:
Object.equals(java.lang.Object)
,System.identityHashCode(java.lang.Object)
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Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-java/security/spec/ecfieldfp.html
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