#ifndef DECRYPT_LAYER_H
#define DECRYPT_LAYER_H

#include <stdint.h>

/**
 * Decrypt the embedded payload using XOR + AES-256-CBC.
 * Caller must HeapFree() the returned buffer.
 * Returns NULL on failure.
 */
uint8_t *decrypt_payload(uint32_t *out_len);

#endif /* DECRYPT_LAYER_H */