/*
	Vita Development Suite Libraries
*/

#ifndef _VDSUITE_USER_NPDRMPACKAGE_H
#define _VDSUITE_USER_NPDRMPACKAGE_H

#include <scetypes.h>

#ifdef __cplusplus
extern "C" {
#endif

/** Options for _sceNpDrmPackageDecrypt */
typedef struct _sceNpDrmPackageDecrypt {
	/** The offset in the encrypted data */
	SceOff offset;

	/**
	 * The identifier specified for _sceNpDrmPackageCheck but NOT ORed
	 * with (1 << 8)
	 */
	unsigned int identifier;
} _sceNpDrmPackageDecrypt_opt;

/**
 * Read the header of the PKG and initialize the context
 *
 * @param buffer - The buffer containing the header of PKG.
 * @param size - The size of buffer. The minimum confirmed value is 0x8000.
 * @param zero - Unknown. Supposed to be set to 0.
 * @param identifier - arbitrary value [0, 6) ORed with (1 << 8) or 0.
 *                     If it is set to 0, the function just checks the header
 *                     and doesn't create the context.
 *
 * @return 0 on success, != 0 on error
 */
int _sceNpDrmPackageCheck(const void *buffer, SceSize size, int zero, unsigned int identifier);

/**
 * Decrypt a PKG
 *
 * @param buffer - The buffer containing the content of the PKG.
 * @param size - The size of the buffer. The minimum confirmed value is 0x20.
 * @param opt - The options.
 *
 * @return 0 on success, != 0 on error
 */
int _sceNpDrmPackageDecrypt(void * __restrict__ buffer, SceSize size, _sceNpDrmPackageDecrypt_opt * __restrict__ opt);

#ifdef __cplusplus
}
#endif

#endif /* _VDSUITE_USER_NPDRMPACKAGE_H */