import { PSSigParams } from 'crypto-wasm-new';
import { ISignatureParams, MessageStructure } from '../types';
/**
 * Modified Pointcheval-Sanders signature parameters used in `Coconut`.
 */
export declare class PSSignatureParams implements ISignatureParams {
    label?: Uint8Array;
    value: PSSigParams;
    constructor(params: PSSigParams, label?: Uint8Array);
    static generate(numMessages: number, label?: Uint8Array): PSSignatureParams;
    static generateAsBytes(numMessages: number, label?: Uint8Array): Uint8Array;
    toBytes(): Uint8Array;
    isValid(): boolean;
    static valueFromBytes(bytes: Uint8Array): PSSigParams;
    /**
     * Transform current signature params to sign a different number of messages. Needs the `label` field to be present
     * @param newMsgCount
     */
    adapt(newMsgCount: number): this;
    /**
     * Gives `PSSignatureParams` that can sign `msgCount` number of messages.
     * @param msgCount
     * @param labelOrParams
     */
    static getSigParamsOfRequiredSize(msgCount: number, labelOrParams: Uint8Array | PSSignatureParams): PSSignatureParams;
    static getSigParamsForMsgStructure(msgStructure: MessageStructure, labelOrParams: Uint8Array | PSSignatureParams): PSSignatureParams;
    /**
     * Produces a commitment for the given message using supplied blinding.
     * @param message
     * @param blinding
     * @param h
     */
    messageCommitment(message: Uint8Array, blinding: Uint8Array, h: Uint8Array): Uint8Array;
    /**
     * Produces a multi message commitment for the given message using supplied blinding.
     * @param messages
     * @param h (from params)
     * @param blinding
     */
    multiMessageCommitment(messages: Uint8Array[], h: Uint8Array[], blinding: Uint8Array): Uint8Array;
    /**
     * Number of messages that these params support and can be signed. If less or more messages are to be signed, use
     * `adapt`
     */
    supportedMessageCount(): number;
    /**
     * Is message index valid as per the params
     * @param index
     */
    isValidIndex(index: number): boolean;
    /**
     * Get params, i.e. generator from `this.value.h` for certain indices
     * @param indices
     */
    getParamsForIndices(indices: number[]): Uint8Array[];
    toJSON(): string;
}
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