Class PSSignatureParams

constructor

• new PSSignatureParams(params, label?): PSSignatureParams

• Parameters

  • params: PSSigParams
  • Optionallabel: Uint8Array

  Returns PSSignatureParams

Optionallabel

value

adapt

• adapt(newMsgCount): this

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

  Parameters

  • newMsgCount: number

  Returns this

getParamsForIndices

• getParamsForIndices(indices): Uint8Array[]

• Get params, i.e. generator from this.value.h for certain indices

  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

messageCommitment

• messageCommitment(message, blinding, h): Uint8Array

• Produces a commitment for the given message using supplied blinding.

  Parameters

  • message: Uint8Array
  • blinding: Uint8Array
  • h: Uint8Array

  Returns Uint8Array

multiMessageCommitment

• multiMessageCommitment(messages, h, blinding): Uint8Array

• Produces a multi message commitment for the given message using supplied blinding.

  Parameters

  • messages: Uint8Array[]
  • h: Uint8Array[]

    (from params)
  • blinding: Uint8Array

  Returns Uint8Array

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?): PSSignatureParams

• Parameters

  • numMessages: number
  • Optionallabel: Uint8Array

  Returns PSSignatureParams

StaticgenerateAsBytes

• generateAsBytes(numMessages, label?): Uint8Array

• Parameters

  • numMessages: number
  • Optionallabel: Uint8Array

  Returns Uint8Array

StaticgetSigParamsForMsgStructure

• getSigParamsForMsgStructure(msgStructure, labelOrParams): PSSignatureParams

• Parameters

  • msgStructure: any
  • labelOrParams: Uint8Array | PSSignatureParams

  Returns PSSignatureParams

StaticgetSigParamsOfRequiredSize

• getSigParamsOfRequiredSize(msgCount, labelOrParams): PSSignatureParams

• Gives PSSignatureParams that can sign msgCount number of messages.

  Parameters

  • msgCount: number
  • labelOrParams: Uint8Array | PSSignatureParams

  Returns PSSignatureParams

StaticvalueFromBytes

• valueFromBytes(bytes): PSSigParams

• Parameters

  • bytes: Uint8Array

  Returns PSSigParams