/**
 * A fixed salt is chosen to archive a deterministic password to key derivation.
 * This reduces the scope of a potential rainbow attack to all CosmJS users.
 * Must be 16 bytes due to implementation limitations.
 */
export declare const cosmjsSalt: Uint8Array<ArrayBuffer>;
export interface KdfConfiguration {
    /**
     * An algorithm identifier, such as "argon2id" or "scrypt".
     */
    readonly algorithm: string;
    /** A map of algorithm-specific parameters */
    readonly params: Record<string, unknown>;
}
/**
 * @deprecated Wallet encryption support will be removed from CosmJS in a future version.
 *             If you actually use this, please comment at https://github.com/cosmos/cosmjs/issues/1796.
 */
export declare function executeKdf(password: string, configuration: KdfConfiguration): Promise<Uint8Array>;
/**
 * Configuration how to encrypt data or how data was encrypted.
 * This is stored as part of the wallet serialization and must only contain JSON types.
 */
export interface EncryptionConfiguration {
    /**
     * An algorithm identifier, such as "xchacha20poly1305-ietf".
     */
    readonly algorithm: string;
    /** A map of algorithm-specific parameters */
    readonly params?: Record<string, unknown>;
}
export declare const supportedAlgorithms: {
    xchacha20poly1305Ietf: string;
};
/**
 * @deprecated Wallet encryption support will be removed from CosmJS in a future version.
 *             If you actually use this, please comment at https://github.com/cosmos/cosmjs/issues/1796.
 */
export declare function encrypt(plaintext: Uint8Array, encryptionKey: Uint8Array, config: EncryptionConfiguration): Promise<Uint8Array>;
/**
 * @deprecated Wallet encryption support will be removed from CosmJS in a future version.
 *             If you actually use this, please comment at https://github.com/cosmos/cosmjs/issues/1796.
 */
export declare function decrypt(ciphertext: Uint8Array, encryptionKey: Uint8Array, config: EncryptionConfiguration): Promise<Uint8Array>;