TwlNandTool/arm9/src/nand/crypto.h
Lillian Skinner 2787a3d5cf
First commit
2024-11-11 01:22:54 -05:00

71 lines
1.7 KiB
C

#pragma once
#include <nds.h>
#ifdef __cplusplus
extern "C" {
#endif
/************************ Constants / Defines *********************************/
#define AES_BLOCK_SIZE 16
#define SHA1_LEN 20
#define KEYSEED_DSI_NAND_0 0x24ee6906
#define KEYSEED_DSI_NAND_1 0xe65b601d
#define KEYSEED_3DS_NAND_0 0xb358a6af
#define KEYSEED_3DS_NAND_1 0x544e494e
#define KEYSEED_3DS_NAND_2 0x4f444e45
#define KEYSEED_3DS_NAND_3 0x08c267b7
#define KEYSEED_ES_0 0x4e00004a
#define KEYSEED_ES_1 0x4a00004e
#define KEYSEED_ES_2 0xc80c4b72
#define GET_UINT32_BE(n, b, i) \
((uint8_t*)&(n))[0] = (b)[i + 3]; \
((uint8_t*)&(n))[1] = (b)[i + 2]; \
((uint8_t*)&(n))[2] = (b)[i + 1]; \
((uint8_t*)&(n))[3] = (b)[i + 0]
#define PUT_UINT32_BE(n, b, i) \
(b)[i + 0] = ((uint8_t*)&(n))[3]; \
(b)[i + 1] = ((uint8_t*)&(n))[2]; \
(b)[i + 2] = ((uint8_t*)&(n))[1]; \
(b)[i + 3] = ((uint8_t*)&(n))[0]
typedef enum {
ENCRYPT,
DECRYPT
} crypt_mode_t;
typedef enum {
NAND,
NAND_3DS,
ES
} key_mode_t;
// don't want to include nds.h just for this
void swiSHA1Calc(void *digest, const void *buf, size_t len);
int dsi_sha1_verify(const void *digest_verify, const void *data, unsigned len);
void dsi_crypt_init(const uint8_t *console_id_be, const uint8_t *emmc_cid, int is3DS);
void dsi_nand_crypt_1(uint8_t *out, const uint8_t* in, u32 offset);
void dsi_nand_crypt(uint8_t *out, const uint8_t* in, u32 offset, unsigned count);
int dsi_es_block_crypt(uint8_t *buf, unsigned buf_len, crypt_mode_t mode);
void dsi_boot2_crypt_set_ctr(uint32_t size_r);
void dsi_boot2_crypt(uint8_t* out, const uint8_t* in, unsigned count);
#ifdef __cplusplus
}
#endif