import { Claim, ClaimProof, EncryptedClaimProof, SignedClaim } from '../types';
/**
 * Encrypts data using recipient's public key and sender's private key.
 * @param publicKey - Recipient public key in raw (un-hexed) form.
 * @param privateKey - Sender's private key in raw (un-hexed) form.
 * @param data - claim proof to encrypt
 */
export declare function encryptClaimProof(publicKey: Uint8Array, privateKey: Uint8Array, data: ClaimProof): Uint8Array;
/**
 * Call to verify that the claims are proven by the encrypted proofs
 * @param claims the claims to verify
 * @param encryptedProofs encrypted proofs of the claims
 * @param privateKey private part of the communication key, must have been used
 * to encrypt the "encryptedProofs"
 */
export declare function verifyEncryptedClaims(claims: Claim[], encryptedProofs: EncryptedClaimProof[], privateKey: Uint8Array): {
    [id: string]: ClaimProof;
};
/**
 * Asserts that the claim is signed by the expected witnesses
 * @param claim
 * @param expectedWitnessAddresses
 */
export declare function assertValidSignedClaim(claim: SignedClaim, expectedWitnessAddresses: string[]): void;
/** recovers the addresses of those that signed the claim */
export declare function recoverSignersOfSignedClaim({ claim, signatures }: SignedClaim): string[];