Bouncy Castle Cryptography Library 1.80 · org.bouncycastle.pqc.legacy.math.linearalgebra.GFElement

Method Summary

Modifier and Type	Method and Description
public GFElement	Returns: `this + other` (newly created) add(GFElement the addend addend) Compute the sum of this element and the addend.
public void	addToThis(GFElement the addend addend) Compute the sum of this element and the addend, overwriting this element.
public Object	Returns: a copy of this GFElement clone()
public boolean	Returns: the result of the comparison equals(Object the other object other) Compare this curve with another object.
public int	Returns: the hash code of this element hashCode()
public GFElement	Returns: `this^-1` (newly created) invert() Compute the multiplicative inverse of this element.
public boolean	Returns: `true` if `this` is the one element isOne() Checks whether this element is one.
public boolean	Returns: `true` if `this` is the zero element isZero() Checks whether this element is zero.
public GFElement	Returns: `this * factor` (newly created) multiply(GFElement the factor factor) Compute the product of this element and `factor`.
public void	multiplyThisBy(GFElement the factor factor) Compute `this * factor` (overwrite `this`).
public GFElement	Returns: `this - minuend` (newly created) subtract(GFElement the minuend minuend) Compute the difference of this element and `minuend`.
public void	subtractFromThis(GFElement the minuend minuend) Compute the difference of this element and `minuend`, overwriting this element.
public byte[]	Returns: this element as byte array toByteArray() Returns this element as byte array.
public BigInteger	Returns: this element as BigInt toFlexiBigInt() Returns this element as FlexiBigInt.
public String	Returns: String representation of this element toString() Return a String representation of this element.
public String	Returns: String representation of this element with the specified radix toString(int specifies the radix of the String representation radix) Return a String representation of this element.

Method Detail

add back to summary

add	back to summary
public GFElement add(GFElement addend) throws RuntimeException Compute the sum of this element and the addend. Parameters addend:GFElement the addend Returns:GFElement `this + other` (newly created)

public GFElement add(GFElement addend) throws RuntimeException

Compute the sum of this element and the addend.

Parameters

addend:GFElement: the addend

Returns:GFElement

this + other (newly created)

addToThis	back to summary
public void addToThis(GFElement addend) throws RuntimeException Compute the sum of this element and the addend, overwriting this element. Parameters addend:GFElement the addend

addToThis

back to summary

public void addToThis(GFElement addend) throws RuntimeException

Compute the sum of this element and the addend, overwriting this element.

Parameters

addend:GFElement: the addend

clone	back to summary
public Object clone() Returns:Object a copy of this GFElement

equals	back to summary
public boolean equals(Object other) Compare this curve with another object. Parameters other:Object the other object Returns:boolean the result of the comparison

equals

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public boolean equals(Object other)

Compare this curve with another object.

Parameters

other:Object: the other object

Returns:boolean

the result of the comparison

hashCode	back to summary
public int hashCode() Returns:int the hash code of this element

invert back to summary

invert	back to summary
public GFElement invert() throws ArithmeticException Compute the multiplicative inverse of this element. Returns:GFElement `this^-1` (newly created) Exceptions ArithmeticException: if `this` is the zero element.

public GFElement invert() throws ArithmeticException

Compute the multiplicative inverse of this element.

Returns:GFElement

this^-1 (newly created)

Exceptions

ArithmeticException:: if this is the zero element.

isOne back to summary

isOne	back to summary
public boolean isOne() Checks whether this element is one. Returns:boolean `true` if `this` is the one element

public boolean isOne()

Checks whether this element is one.

Returns:boolean: true if this is the one element

isZero back to summary

isZero	back to summary
public boolean isZero() Checks whether this element is zero. Returns:boolean `true` if `this` is the zero element

public boolean isZero()

Checks whether this element is zero.

Returns:boolean: true if this is the zero element

multiply back to summary

multiply	back to summary
public GFElement multiply(GFElement factor) throws RuntimeException Compute the product of this element and `factor`. Parameters factor:GFElement the factor Returns:GFElement `this * factor` (newly created)

public GFElement multiply(GFElement factor) throws RuntimeException

Compute the product of this element and factor.

Parameters

factor:GFElement: the factor

Returns:GFElement

this * factor (newly created)

multiplyThisBy back to summary

multiplyThisBy	back to summary
public void multiplyThisBy(GFElement factor) throws RuntimeException Compute `this * factor` (overwrite `this`). Parameters factor:GFElement the factor

public void multiplyThisBy(GFElement factor) throws RuntimeException

Compute this * factor (overwrite this).

Parameters

factor:GFElement: the factor

subtract back to summary

subtract	back to summary
public GFElement subtract(GFElement minuend) throws RuntimeException Compute the difference of this element and `minuend`. Parameters minuend:GFElement the minuend Returns:GFElement `this - minuend` (newly created)

public GFElement subtract(GFElement minuend) throws RuntimeException

Compute the difference of this element and minuend.

Parameters

minuend:GFElement: the minuend

Returns:GFElement

this - minuend (newly created)

subtractFromThis back to summary

subtractFromThis	back to summary
public void subtractFromThis(GFElement minuend) Compute the difference of this element and `minuend`, overwriting this element. Parameters minuend:GFElement the minuend

public void subtractFromThis(GFElement minuend)

Compute the difference of this element and minuend, overwriting this element.

Parameters

minuend:GFElement: the minuend

toByteArray	back to summary
public byte[] toByteArray() Returns this element as byte array. The conversion is P1363-conform. Returns:byte[] this element as byte array

toByteArray

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public byte[] toByteArray()

Returns this element as byte array. The conversion is P1363-conform.

Returns:byte[]: this element as byte array

toFlexiBigInt	back to summary
public BigInteger toFlexiBigInt() Returns this element as FlexiBigInt. The conversion is P1363-conform. Returns:BigInteger this element as BigInt

toFlexiBigInt

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public BigInteger toFlexiBigInt()

Returns this element as FlexiBigInt. The conversion is P1363-conform.

Returns:BigInteger: this element as BigInt

toString	back to summary
public String toString() Return a String representation of this element. Returns:String String representation of this element

toString

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public String toString()

Return a String representation of this element.

Returns:String: String representation of this element

toString back to summary

toString	back to summary
public String toString(int radix) Return a String representation of this element. `radix` specifies the radix of the String representation. Parameters radix:int specifies the radix of the String representation Returns:String String representation of this element with the specified radix

public String toString(int radix)

Return a String representation of this element. radix specifies the radix of the String representation.

Parameters

radix:int: specifies the radix of the String representation

Returns:String

String representation of this element with the specified radix

public Interface GFElement

Method Summary

Method Detail