export interface X25519KeyPair {
    /** 32-byte public u-coordinate. */
    publicKey: Uint8Array;
    /**
     * 32-byte secret. Per RFC 7748 §5 / §6 this is "any 32 random bytes";
     * clamping is applied internally on every WASM call. The stored
     * secretKey is the unclamped form so that round-tripping through
     * keygen / external storage preserves byte-equality.
     */
    secretKey: Uint8Array;
}
/**
 * The X25519-relevant subset of the curve25519 WASM exports. The
 * curve25519 module is shared between Ed25519 and X25519; this interface
 * deliberately surfaces only the X25519 high-level entry points plus the
 * layout / wipe primitives.
 */
export interface X25519Exports {
    memory: WebAssembly.Memory;
    getModuleId: () => number;
    getMemoryPages: () => number;
    x25519Keygen: (skOff: number, pkOff: number) => void;
    x25519DH: (skOff: number, peerPkOff: number, sharedOff: number) => void;
    wipeBuffers: () => void;
}