56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
#ifndef SECURITY_RP3_H
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#define SECURITY_RP3_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "security/id.h"
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#include "security/mcode.h"
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#include "security/rp-sign-key.h"
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#include "security/rp-util.h"
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/**
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* Structure for data which is usually stored in the eeprom section of the
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* dongle. This contains a signature to verify the ROM's contents as well as
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* the game this dongle is signed for.
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*/
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struct security_rp3_eeprom {
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uint8_t signature[6];
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uint8_t packed_payload[6];
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uint8_t zeros[19];
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uint8_t crc;
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};
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/**
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* Generate signed eeprom data from non encrypted and unobfuscated data required
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* to pass security checks on games using black (game specific) and white
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* (eamuse) roundplugs.
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*
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* Algorithm is the same as RP2 but plug ID is handled in reverse order
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* and response has additional padding + checksum at the end of the message.
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*
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* Used on the following games:
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* - jubeat series
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* - DDR series
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* - GFDM V series, XG series, Gitadora series
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*
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* @param type Type of plug to sign eeprom data for (black or white).
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* @param sign_key The key to use for generating the signature.
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* This key can be extracted from the executables of the games and might
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* be re-used for multiple games of the same series or generation.
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* @param plug_mcode The mcode of the game to boot. Typically, this code is
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* printed onto the housing of the black dongle. For white
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* dongles, the "mcode" @@@@@@@@ is used.
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* @param plug_id The id stored on the plug. This data is normally stored in the
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* ROM area of the black dongle is is often refered to as the
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* "PCBID" or "EAMID" when stored on the white dongle.
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* @param out Pointer to the eeprom data struct for the resulting data.
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*/
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void security_rp3_generate_signed_eeprom_data(
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enum security_rp_util_rp_type type,
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const struct security_rp_sign_key *sign_key,
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const struct security_mcode *plug_mcode,
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const struct security_id *plug_id,
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struct security_rp3_eeprom *out);
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#endif |