Bouncy Castle Cryptography Library 1.80 · org.bouncycastle.asn1.x9.X9FieldID

Modifier and Type	Field and Description
private ASN1ObjectIdentifier	id
private ASN1Primitive	parameters

Constructor Summary

Access	Constructor and Description
public	X9FieldID(BigInteger The prime `p` defining the prime field. primeP) Constructor for elliptic curves over prime fields `F₂`.
public	X9FieldID(int The exponent `m` of `F_2^m`. m, int The integer `k1` where `x^m + x^k1 + 1` represents the reduction polynomial `f(z)`. k1) Constructor for elliptic curves over binary fields `F_2^m`.
public	X9FieldID(int The exponent `m` of `F_2^m`. m, int The integer `k1` where `x^m + x^k3 + x^k2 + x^k1 + 1` represents the reduction polynomial `f(z)`. k1, int The integer `k2` where `x^m + x^k3 + x^k2 + x^k1 + 1` represents the reduction polynomial `f(z)`. k2, int The integer `k3` where `x^m + x^k3 + x^k2 + x^k1 + 1` represents the reduction polynomial `f(z)`.. k3) Constructor for elliptic curves over binary fields `F_2^m`.
private	X9FieldID(ASN1Sequence seq)

Method Summary

Modifier and Type	Method and Description
public ASN1ObjectIdentifier	getIdentifier()
public static X9FieldID	getInstance(Object obj)
public ASN1Primitive	getParameters()
public ASN1Primitive	toASN1Primitive() Implements abstract org.bouncycastle.asn1.ASN1Object.toASN1Primitive. Implements org.bouncycastle.asn1.ASN1Encodable.toASN1Primitive. Produce a DER encoding of the following structure.

Inherited from org.bouncycastle.asn1.ASN1Object:: encodeTo encodeTo equals getEncoded getEncoded hasEncodedTagValue hashCode

Field Detail

id	back to summary
private ASN1ObjectIdentifier id

parameters	back to summary
private ASN1Primitive parameters

Constructor Detail

X9FieldID back to summary

X9FieldID	back to summary
public X9FieldID(BigInteger primeP) Constructor for elliptic curves over prime fields `F₂`. Parameters primeP:BigInteger The prime `p` defining the prime field.

public X9FieldID(BigInteger primeP)

Constructor for elliptic curves over prime fields F₂.

Parameters

primeP:BigInteger: The prime p defining the prime field.

X9FieldID back to summary

X9FieldID	back to summary
public X9FieldID(int m, int k1) Constructor for elliptic curves over binary fields `F_2^m`. Parameters m:int The exponent `m` of `F_2^m`. k1:int The integer `k1` where `x^m + x^k1 + 1` represents the reduction polynomial `f(z)`.

public X9FieldID(int m, int k1)

Constructor for elliptic curves over binary fields F_2^m.

Parameters

m:int: The exponent m of F_2^m.
k1:int: The integer k1 where x^m + x^k1 + 1 represents the reduction polynomial f(z).

X9FieldID back to summary

X9FieldID	back to summary
public X9FieldID(int m, int k1, int k2, int k3) Constructor for elliptic curves over binary fields `F_2^m`. Parameters m:int The exponent `m` of `F_2^m`. k1:int The integer `k1` where `x^m + x^k3 + x^k2 + x^k1 + 1` represents the reduction polynomial `f(z)`. k2:int The integer `k2` where `x^m + x^k3 + x^k2 + x^k1 + 1` represents the reduction polynomial `f(z)`. k3:int The integer `k3` where `x^m + x^k3 + x^k2 + x^k1 + 1` represents the reduction polynomial `f(z)`..

public X9FieldID(int m, int k1, int k2, int k3)

Constructor for elliptic curves over binary fields F_2^m.

Parameters

m:int: The exponent m of F_2^m.
k1:int: The integer k1 where x^m + x^k3 + x^k2 + x^k1 + 1 represents the reduction polynomial f(z).
k2:int: The integer k2 where x^m + x^k3 + x^k2 + x^k1 + 1 represents the reduction polynomial f(z).
k3:int: The integer k3 where x^m + x^k3 + x^k2 + x^k1 + 1 represents the reduction polynomial f(z)..

X9FieldID	back to summary
private X9FieldID(ASN1Sequence seq)

Method Detail

getIdentifier	back to summary
public ASN1ObjectIdentifier getIdentifier()

getInstance	back to summary
public static X9FieldID getInstance(Object obj)

getParameters	back to summary
public ASN1Primitive getParameters()

toASN1Primitive	back to summary
public ASN1Primitive toASN1Primitive() Implements abstract org.bouncycastle.asn1.ASN1Object.toASN1Primitive. Implements org.bouncycastle.asn1.ASN1Encodable.toASN1Primitive. Produce a DER encoding of the following structure. FieldID ::= SEQUENCE { fieldType FIELD-ID.&id({IOSet}), parameters FIELD-ID.&Type({IOSet}{@fieldType}) } Returns:ASN1Primitive Doc from org.bouncycastle.asn1.ASN1Object.toASN1Primitive. a primitive representation of this object.

toASN1Primitive

back to summary

public ASN1Primitive toASN1Primitive()

Implements abstract org.bouncycastle.asn1.ASN1Object.toASN1Primitive.

Implements org.bouncycastle.asn1.ASN1Encodable.toASN1Primitive.

Produce a DER encoding of the following structure.

 FieldID ::= SEQUENCE {
     fieldType       FIELD-ID.&id({IOSet}),
     parameters      FIELD-ID.&Type({IOSet}{@fieldType})
 }

Returns:ASN1Primitive

Doc from org.bouncycastle.asn1.ASN1Object.toASN1Primitive.

a primitive representation of this object.

public Class X9FieldID

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail