/// <reference types="node" />
import sodium from 'sodium-native';
export declare type EncodedPublicKey = string & {
    __encodedPublicKey: true;
};
export declare type EncodedSecretKey = string & {
    __encodedSecretKey: true;
};
export interface EncodedKeyPair {
    publicKey: EncodedPublicKey;
    secretKey: EncodedSecretKey;
}
export declare type EncodedPublicSigningKey = EncodedPublicKey & {
    __encodedPublicSigningKey: true;
};
export declare type EncodedSecretSigningKey = EncodedSecretKey & {
    __encodedSecretSigningKey: true;
};
export interface EncodedSigningKeyPair extends EncodedKeyPair {
    publicKey: EncodedPublicSigningKey;
    secretKey: EncodedSecretSigningKey;
}
export declare type EncodedPublicEncryptionKey = EncodedPublicKey & {
    __encodedPublicEncryptionKey: true;
};
export declare type EncodedSecretEncryptionKey = EncodedSecretKey & {
    __encodedSecretEncryptionKey: true;
};
export interface EncodedEncryptionKeyPair extends EncodedKeyPair {
    publicKey: EncodedPublicEncryptionKey;
    secretKey: EncodedSecretEncryptionKey;
}
export declare type EncodedSignature = string & {
    __encodedSignature: true;
};
export declare type EncodedSealedBoxCiphertext = string & {
    __encodedSealedBoxCiphertext: true;
};
export declare type EncodedBoxCiphertext = string & {
    __encodedBoxCiphertext: true;
};
export declare type EncodedBoxNonce = string & {
    __encodedBoxNonce: true;
};
export interface Box {
    message: EncodedBoxCiphertext;
    nonce: EncodedBoxNonce;
}
export interface SignedMessage<T extends Buffer | string> {
    message: T;
    signature: EncodedSignature;
}
export declare function encodedSigningKeyPair(): EncodedSigningKeyPair;
export declare function signingKeyPair(): sodium.SigningKeyPair;
export declare function encodedEncryptionKeyPair(): EncodedEncryptionKeyPair;
export declare function encryptionKeyPair(): sodium.EncryptionKeyPair;
export declare function sign(secretKey: EncodedSecretSigningKey, message: Buffer): SignedMessage<Buffer>;
export declare function verify(encodedPublicKey: EncodedPublicSigningKey, signedMessage: SignedMessage<Buffer>): boolean;
export declare function sealedBox(publicKey: EncodedPublicEncryptionKey, message: Buffer): EncodedSealedBoxCiphertext;
export declare function openSealedBox(keyPair: EncodedEncryptionKeyPair, sealedBox: EncodedSealedBoxCiphertext): Buffer;
export declare function box(senderSecretKey: EncodedSecretEncryptionKey, recipientPublicKey: EncodedPublicEncryptionKey, message: Buffer): Box;
export declare function openBox(senderPublicKey: EncodedPublicEncryptionKey, recipientSecretKey: EncodedSecretEncryptionKey, box: Box): Buffer;
export declare function encode(val: sodium.PublicSigningKey): EncodedPublicSigningKey;
export declare function encode(val: sodium.SecretSigningKey): EncodedSecretSigningKey;
export declare function encode(val: sodium.PublicEncryptionKey): EncodedPublicEncryptionKey;
export declare function encode(val: sodium.SecretEncryptionKey): EncodedSecretSigningKey;
export declare function encode(val: sodium.Signature): EncodedSignature;
export declare function encode(val: sodium.SealedBoxCiphertext): EncodedSealedBoxCiphertext;
export declare function encode(val: sodium.BoxCiphertext): EncodedBoxCiphertext;
export declare function encode(val: sodium.BoxNonce): EncodedBoxNonce;
export declare function encode(val: Buffer): string;
export declare function decode(val: EncodedPublicSigningKey): sodium.PublicSigningKey;
export declare function decode(val: EncodedSecretSigningKey): sodium.SecretSigningKey;
export declare function decode(val: EncodedPublicEncryptionKey): sodium.PublicEncryptionKey;
export declare function decode(val: EncodedSecretEncryptionKey): sodium.SecretEncryptionKey;
export declare function decode(val: EncodedSignature): sodium.Signature;
export declare function decode(val: EncodedSealedBoxCiphertext): sodium.SealedBoxCiphertext;
export declare function decode(val: EncodedBoxCiphertext): sodium.BoxCiphertext;
export declare function decode(val: EncodedBoxNonce): sodium.BoxNonce;
export declare function decode(val: string): Buffer;
export declare function decodePair(pair: EncodedEncryptionKeyPair): sodium.EncryptionKeyPair;
export declare function decodePair(pair: EncodedSigningKeyPair): sodium.SigningKeyPair;
export declare function decodePair(pair: EncodedKeyPair): sodium.KeyPair;
export declare function encodePair(pair: sodium.EncryptionKeyPair): EncodedEncryptionKeyPair;
export declare function encodePair(pair: sodium.SigningKeyPair): EncodedSigningKeyPair;
export declare function encodePair(pair: sodium.KeyPair): EncodedKeyPair;