| java.lang.Object | |
| ↳ | java.security.spec.ECFieldFp |
Class Overview
This immutable class defines an elliptic curve (EC) prime finite field.
See Also
Summary
| Public Constructors | |||||||||||
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Creates an elliptic curve prime finite field
with the specified prime
p. | |||||||||||
| Public Methods | |||||||||||
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Compares this prime finite field for equality with the
specified object.
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Returns the field size in bits which is size of prime p
for this prime finite field.
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Returns the prime
p of this prime finite field. | |||||||||||
Returns a hash code value for this prime finite field.
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Inherited Methods | |||||||||||
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From class
java.lang.Object
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From interface
java.security.spec.ECField
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Public Constructors
public ECFieldFp (BigInteger p)
Creates an elliptic curve prime finite field
with the specified prime p.
Parameters
| p | the prime. |
|---|
Throws
| NullPointerException | if p is null. |
|---|---|
| IllegalArgumentException | if p
is not positive.
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Public Methods
public boolean equals (Object obj)
Compares this prime finite field for equality with the specified object.
Parameters
| obj | the object to be compared. |
|---|
Returns
- true if
objis an instance of ECFieldFp and the prime value match, false otherwise.
public int getFieldSize ()
Returns the field size in bits which is size of prime p for this prime finite field.
Returns
- the field size in bits.
public int hashCode ()
Returns a hash code value for this prime finite field.
Returns
- a hash code value.