ts-mls/dist/src/updatePath.d.ts

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import { Decoder } from "./codec/tlsDecoder";
import { Encoder } from "./codec/tlsEncoder";
import { CiphersuiteImpl } from "./crypto/ciphersuite";
import { Hash } from "./crypto/hash";
import { PrivateKey } from "./crypto/hpke";
import { GroupContext } from "./groupContext";
import { LeafNodeCommit } from "./leafNode";
import { RatchetTree } from "./ratchetTree";
import { HPKECiphertext } from "./hpkeCiphertext";
export type UpdatePathNode = {
    hpkePublicKey: Uint8Array;
    encryptedPathSecret: HPKECiphertext[];
};
export declare const encodeUpdatePathNode: Encoder<UpdatePathNode>;
export declare const decodeUpdatePathNode: Decoder<UpdatePathNode>;
export type UpdatePath = {
    leafNode: LeafNodeCommit;
    nodes: UpdatePathNode[];
};
export declare const encodeUpdatePath: Encoder<UpdatePath>;
export declare const decodeUpdatePath: Decoder<UpdatePath>;
export type PathSecret = {
    nodeIndex: number;
    secret: Uint8Array;
    sendTo: number[];
};
export declare function createUpdatePath(originalTree: RatchetTree, senderLeafIndex: number, groupContext: GroupContext, signaturePrivateKey: Uint8Array, cs: CiphersuiteImpl): Promise<[RatchetTree, UpdatePath, PathSecret[], PrivateKey]>;
export declare function applyUpdatePath(tree: RatchetTree, senderLeafIndex: number, path: UpdatePath, h: Hash, isExternal?: boolean): Promise<RatchetTree>;
export declare function firstCommonAncestor(tree: RatchetTree, leafIndex: number, senderLeafIndex: number): number;
export declare function firstMatchAncestor(tree: RatchetTree, leafIndex: number, senderLeafIndex: number, path: UpdatePath): {
    nodeIndex: number;
    resolution: number[];
    updateNode: UpdatePathNode | undefined;
};