export type PostQuantumAlgorithm = 'ML-KEM' | 'ML-DSA' | 'SLH-DSA';
export type QuantumResistantKeyPair = {
    publicKey: Uint8Array;
    privateKey: Uint8Array;
    algorithm: PostQuantumAlgorithm;
    createdAt: Date;
};
/**
 * Post-quantum cryptography support
 * Phase 3: Quantum-resistant algorithms (ML-KEM, ML-DSA)
 */
export declare class PostQuantumProvider {
    /**
     * Generate ML-KEM encapsulation (key agreement)
     */
    generateMLKEMKeyPair(): Promise<QuantumResistantKeyPair>;
    /**
     * Encapsulate with ML-KEM public key
     */
    mlkemEncapsulate(_publicKey: Uint8Array): Promise<{
        sharedSecret: Uint8Array;
        ciphertext: Uint8Array;
    }>;
    /**
     * Decapsulate with ML-KEM private key
     */
    mlkemDecapsulate(_privateKey: Uint8Array, _ciphertext: Uint8Array): Promise<Uint8Array>;
    /**
     * Generate ML-DSA signature key pair
     */
    generateMLDSAKeyPair(): Promise<QuantumResistantKeyPair>;
    /**
     * Sign with ML-DSA private key
     */
    mldsaSign(_privateKey: Uint8Array, _message: Uint8Array): Promise<Uint8Array>;
    /**
     * Verify ML-DSA signature
     */
    mldsaVerify(_publicKey: Uint8Array, _message: Uint8Array, _signature: Uint8Array): Promise<boolean>;
    /**
     * Generate SLH-DSA key pair (Stateless Hash-Based Signature)
     */
    generateSLHDSAKeyPair(): Promise<QuantumResistantKeyPair>;
    /**
     * Check if algorithm is quantum-resistant
     */
    isQuantumResistant(algorithm: string): boolean;
    /**
     * Get recommended quantum-resistant algorithm for use case
     */
    getRecommendedAlgorithm(useCase: 'encryption' | 'signing'): PostQuantumAlgorithm;
}
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