Class BBDT16MacParams

constructor

• new BBDT16MacParams(params, label?): BBDT16MacParams

• Parameters

  • params: Bddt16MacParams
  • Optionallabel: Uint8Array

  Returns BBDT16MacParams

Optionallabel

value

adapt

• adapt(newMsgCount): this

• Transform current MAC params to sign a different number of messages. Needs the label field to be present

  Parameters

  • newMsgCount: number

  Returns this

commitToMessages

• commitToMessages(messageToCommit, encodeMessages, blinding?): [Uint8Array, Uint8Array]

• Commit to given messages and return the pair [blinding, commitment]

  Parameters

  • messageToCommit: Map<number, Uint8Array>
  • encodeMessages: boolean
  • blinding: Uint8Array = ...

    If not provided, a random blinding is generated

  Returns [Uint8Array, Uint8Array]

commitToMessagesConstantTime

• commitToMessagesConstantTime(messageToCommit, encodeMessages, blinding?): [Uint8Array, Uint8Array]

• Commit to given messages and return the pair [blinding, commitment]

  Parameters

  • messageToCommit: Map<number, Uint8Array>
  • encodeMessages: boolean
  • blinding: Uint8Array = ...

    If not provided, a random blinding is generated

  Returns [Uint8Array, Uint8Array]

getParamsForIndices

• getParamsForIndices(indices): Uint8Array[]

• Parameters

  • indices: number[]

  Returns Uint8Array[]

isValid

• isValid(): boolean

• Returns boolean

isValidIndex

• isValidIndex(index): boolean

• Is message index valid as per the params

  Parameters

  • index: number

  Returns boolean

supportedMessageCount

• supportedMessageCount(): number

• Number of messages that these params support and can be signed. If less or more messages are to be signed, use adapt

  Returns number

toBytes

• toBytes(): Uint8Array

• Returns Uint8Array

toJSON

• toJSON(): string

• Returns string

Staticgenerate

• generate(numMessages, label?): BBDT16MacParams

• Parameters

  • numMessages: number
  • Optionallabel: Uint8Array

  Returns BBDT16MacParams

StaticgenerateAsBytes

• generateAsBytes(numMessages, label?): Uint8Array

• Parameters

  • numMessages: number
  • Optionallabel: Uint8Array

  Returns Uint8Array

StaticgetMacParamsForMsgStructure

• getMacParamsForMsgStructure(msgStructure, labelOrParams): BBDT16MacParams

• Parameters

  • msgStructure: any
  • labelOrParams: Uint8Array | BBDT16MacParams

  Returns BBDT16MacParams

StaticgetMacParamsOfRequiredSize

• getMacParamsOfRequiredSize(msgCount, labelOrParams): BBDT16MacParams

• Gives BBDT16MacParams that can sign msgCount number of messages.

  Parameters

  • msgCount: number
  • labelOrParams: Uint8Array | BBDT16MacParams

  Returns BBDT16MacParams

StaticvalueFromBytes

• valueFromBytes(bytes): Bddt16MacParams

• Parameters

  • bytes: Uint8Array

  Returns Bddt16MacParams