Class Ed25519CipherSuite

FROST (Flexible Round-Optimized Schnorr Threshold) Signatures

A TypeScript implementation of the FROST threshold signature scheme as specified in RFC 9591.

Implements

CipherSuite

Constructors

constructor

new Ed25519CipherSuite(): Ed25519CipherSuite
Returns Ed25519CipherSuite

Properties

`Readonly`elementSize

elementSize: 32

`Readonly`name

name: "FROST-ED25519-SHA512-v1" = 'FROST-ED25519-SHA512-v1'

`Readonly`scalarSize

scalarSize: 32

Methods

baseElement

baseElement(): GroupElement
Returns GroupElement
Implementation of CipherSuite.baseElement
- Defined in cipher.ts:265

bytesToElement

bytesToElement(bytes: Uint8Array): GroupElement
Parameters
- bytes: Uint8Array
Returns GroupElement
Implementation of CipherSuite.bytesToElement
- Defined in cipher.ts:286

bytesToScalar

bytesToScalar(bytes: Uint8Array): Scalar
Parameters
- bytes: Uint8Array
Returns Scalar
Implementation of CipherSuite.bytesToScalar
- Defined in cipher.ts:279

elementAdd

elementAdd(a: GroupElement, b: GroupElement): GroupElement
Parameters
- a: GroupElement
- b: GroupElement
Returns GroupElement
Implementation of CipherSuite.elementAdd
- Defined in cipher.ts:218

elementMultiplyByCofactor

elementMultiplyByCofactor(element: GroupElement): GroupElement
Parameters
- element: GroupElement
Returns GroupElement
Implementation of CipherSuite.elementMultiplyByCofactor
- Defined in cipher.ts:335

elementToBytes

elementToBytes(element: GroupElement): Uint8Array
Parameters
- element: GroupElement
Returns Uint8Array
Implementation of CipherSuite.elementToBytes
- Defined in cipher.ts:271

hashToScalar

hashToScalar(data: Uint8Array): Promise<Scalar>
Parameters
- data: Uint8Array
Returns Promise<Scalar>
Implementation of CipherSuite.hashToScalar
- Defined in cipher.ts:14

isIdentity

isIdentity(element: GroupElement): boolean
Parameters
- element: GroupElement
Returns boolean
Implementation of CipherSuite.isIdentity
- Defined in cipher.ts:293

isInPrimeOrderSubgroup

isInPrimeOrderSubgroup(element: GroupElement): boolean
Parameters
- element: GroupElement
Returns boolean
Implementation of CipherSuite.isInPrimeOrderSubgroup
- Defined in cipher.ts:306

randomScalar

randomScalar(): Scalar
Returns Scalar
Implementation of CipherSuite.randomScalar
- Defined in cipher.ts:239

scalarAdd

scalarAdd(a: Scalar, b: Scalar): Scalar
Parameters
- a: Scalar
- b: Scalar
Returns Scalar
Implementation of CipherSuite.scalarAdd
- Defined in cipher.ts:74

scalarInvert

scalarInvert(scalar: Scalar): Scalar
Parameters
- scalar: Scalar
Returns Scalar
Implementation of CipherSuite.scalarInvert
- Defined in cipher.ts:134

scalarMultiply

scalarMultiply(scalar: Scalar, element: GroupElement): GroupElement
Parameters
- scalar: Scalar
- element: GroupElement
Returns GroupElement
Implementation of CipherSuite.scalarMultiply
- Defined in cipher.ts:40

scalarMultiplyByCofactor

scalarMultiplyByCofactor(scalar: Scalar): Scalar
Parameters
- scalar: Scalar
Returns Scalar
Implementation of CipherSuite.scalarMultiplyByCofactor
- Defined in cipher.ts:329

scalarMultiplyScalar

scalarMultiplyScalar(a: Scalar, b: Scalar): Scalar
Parameters
- a: Scalar
- b: Scalar
Returns Scalar
Implementation of CipherSuite.scalarMultiplyScalar
- Defined in cipher.ts:104

scalarNegate

scalarNegate(scalar: Scalar): Scalar
Parameters
- scalar: Scalar
Returns Scalar
Implementation of CipherSuite.scalarNegate
- Defined in cipher.ts:188

scalarToBytes

scalarToBytes(scalar: Scalar): Uint8Array
Parameters
- scalar: Scalar
Returns Uint8Array
Implementation of CipherSuite.scalarToBytes
- Defined in cipher.ts:275