import { KeyUse } from '../types.js';
import type { RsaSize, Msg, CharSize, HashAlg, DID, PublicKey } from '../types.js';
export declare function verify(msg: Msg, sig: Msg, publicKey: string | CryptoKey, charSize?: CharSize, hashAlg?: HashAlg): Promise<boolean>;
export declare function sign(msg: Msg, privateKey: CryptoKey, charSize?: CharSize): Promise<ArrayBuffer>;
export declare function encrypt(msg: Msg, publicKey: string | CryptoKey, opts?: {
    format: 'base64';
}, charSize?: CharSize, hashAlg?: HashAlg): Promise<string>;
/**
 * Decrypt the given Uint8Array
 */
export declare function decrypt(data: Uint8Array | string, privateKey: CryptoKey | Uint8Array): Promise<Uint8Array>;
export declare function decryptKey(encryptedKey: string, keypair: CryptoKeyPair): Promise<CryptoKey>;
/**
 * Return a CryptoKey from the given Uint8Array or string.
 */
export declare function importPublicKey(base64Key: string | Uint8Array, hashAlg?: HashAlg, use?: KeyUse): Promise<CryptoKey>;
export declare function exportKey(key: PublicKey): Promise<Uint8Array>;
export declare function exportKey(key: PublicKey, opts: {
    format: 'string';
}): Promise<string>;
export declare function create(use: KeyUse, size?: RsaSize, hashAlg?: HashAlg): Promise<CryptoKeyPair>;
export declare function verifyWithDid(msg: string, sig: string, did: DID): Promise<boolean>;
/**
 * Convert a public key to a DID format string.
 */
export declare function publicKeyToDid(publicKey: Uint8Array | PublicKey): Promise<DID>;
/**
 * Convert the given DID string to a public key Uint8Array.
 */
export declare function didToPublicKey(did: DID): ({
    publicKey: Uint8Array;
    type: 'rsa';
});
/**
 * Convert the given DID string to a public key.
 */
export declare function importDid(did: DID, hashAlgorithm?: HashAlg, use?: KeyUse): Promise<PublicKey>;
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