bf128

package

v0.0.0-...-7685c8a Latest Latest Go to latest Published: Feb 26, 2026 License: Apache-2.0 Imports: 11 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/bronlabs/bron-crypto

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Documentation ¶

Overview ¶

Package bf128 implements arithmetic over the binary field GF(2^128).

Constants ¶

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const (
	Name              = "F_{2^128}"
	FieldElementSize  = 16
	FieldElementLimbs = 2
)

Variables ¶

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var (
	ErrDivisionByZero = errs.New("division by zero")
	ErrInvalidLength  = errs.New("invalid length")
)

Functions ¶

This section is empty.

Types ¶

type Field ¶

type Field struct{}

func NewField ¶

func NewField() *Field

func (*Field) Characteristic ¶

func (*Field) Characteristic() cardinal.Cardinal

func (*Field) ElementSize ¶

func (*Field) ElementSize() int

func (*Field) ExtensionDegree ¶

func (*Field) ExtensionDegree() uint

func (*Field) FromBytes ¶

func (*Field) FromBytes(buf []byte) (*FieldElement, error)

func (*Field) FromComponentsBytes ¶

func (f *Field) FromComponentsBytes(data [][]byte) (*FieldElement, error)

func (*Field) Hash ¶

func (f *Field) Hash(data []byte) (*FieldElement, error)

func (*Field) IsDomain ¶

func (*Field) IsDomain() bool

func (*Field) Name ¶

func (*Field) Name() string

func (*Field) One ¶

func (*Field) One() *FieldElement

func (*Field) OpIdentity ¶

func (f *Field) OpIdentity() *FieldElement

func (*Field) Order ¶

func (*Field) Order() cardinal.Cardinal

func (*Field) Random ¶

func (f *Field) Random(prng io.Reader) (*FieldElement, error)

func (*Field) RandomNonZero ¶

func (f *Field) RandomNonZero(prng io.Reader) (*FieldElement, error)

func (*Field) Select ¶

func (*Field) Select(choice uint64, x, y *FieldElement) *FieldElement

func (*Field) Zero ¶

func (*Field) Zero() *FieldElement

type FieldElement ¶

type FieldElement [2]uint64

func (*FieldElement) Add ¶

func (el *FieldElement) Add(y *FieldElement) *FieldElement

func (*FieldElement) Bytes ¶

func (el *FieldElement) Bytes() []byte

func (*FieldElement) Clone ¶

func (el *FieldElement) Clone() *FieldElement

func (*FieldElement) ComponentsBytes ¶

func (*FieldElement) ComponentsBytes() [][]byte

func (*FieldElement) Double ¶

func (*FieldElement) Double() *FieldElement

func (*FieldElement) Equal ¶

func (el *FieldElement) Equal(rhs *FieldElement) bool

func (*FieldElement) EuclideanDiv ¶

func (el *FieldElement) EuclideanDiv(rhs *FieldElement) (quot, rem *FieldElement, err error)

func (*FieldElement) EuclideanValuation ¶

func (el *FieldElement) EuclideanValuation() cardinal.Cardinal

func (*FieldElement) HashCode ¶

func (el *FieldElement) HashCode() base.HashCode

func (*FieldElement) IsOne ¶

func (el *FieldElement) IsOne() bool

func (*FieldElement) IsOpIdentity ¶

func (el *FieldElement) IsOpIdentity() bool

func (*FieldElement) IsProbablyPrime ¶

func (*FieldElement) IsProbablyPrime() bool

func (*FieldElement) IsZero ¶

func (el *FieldElement) IsZero() bool

func (*FieldElement) Mul ¶

func (el *FieldElement) Mul(rhs *FieldElement) *FieldElement

func (*FieldElement) Neg ¶

func (el *FieldElement) Neg() *FieldElement

func (*FieldElement) Op ¶

func (el *FieldElement) Op(e *FieldElement) *FieldElement

func (*FieldElement) OpInv ¶

func (el *FieldElement) OpInv() *FieldElement

func (*FieldElement) OtherOp ¶

func (el *FieldElement) OtherOp(e *FieldElement) *FieldElement

func (*FieldElement) Square ¶

func (el *FieldElement) Square() *FieldElement

func (*FieldElement) String ¶

func (el *FieldElement) String() string

func (*FieldElement) Structure ¶

func (*FieldElement) Structure() algebra.Structure[*FieldElement]

func (*FieldElement) Sub ¶

func (el *FieldElement) Sub(e *FieldElement) *FieldElement

func (*FieldElement) TryDiv ¶

func (el *FieldElement) TryDiv(e *FieldElement) (*FieldElement, error)

func (*FieldElement) TryInv ¶

func (el *FieldElement) TryInv() (*FieldElement, error)

func (*FieldElement) TryNeg ¶

func (el *FieldElement) TryNeg() (*FieldElement, error)

func (*FieldElement) TryOpInv ¶

func (el *FieldElement) TryOpInv() (*FieldElement, error)

func (*FieldElement) TrySub ¶

func (el *FieldElement) TrySub(e *FieldElement) (*FieldElement, error)

Source Files ¶

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