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https://github.com/Atmosphere-NX/Atmosphere.git
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189 lines
6.3 KiB
C
189 lines
6.3 KiB
C
#ifndef EXOSPHERE_SE_H
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#define EXOSPHERE_SE_H
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#include <stdint.h>
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#include <stddef.h>
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/* Exosphere driver for the Tegra X1 security engine. */
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#define KEYSLOT_SWITCH_PACKAGE2KEY 0x8
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#define KEYSLOT_SWITCH_TEMPKEY 0x9
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#define KEYSLOT_SWITCH_SESSIONKEY 0xA
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#define KEYSLOT_SWITCH_RNGKEY 0xB
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#define KEYSLOT_SWITCH_MASTERKEY 0xC
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#define KEYSLOT_SWITCH_DEVICEKEY 0xD
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/* This keyslot was added in 4.0.0. */
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#define KEYSLOT_SWITCH_4XNEWDEVICEKEYGENKEY 0xD
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#define KEYSLOT_SWITCH_4XNEWCONSOLEKEYGENKEY 0xE
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#define KEYSLOT_SWITCH_4XOLDDEVICEKEY 0xF
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#define KEYSLOT_AES_MAX 0x10
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#define KEYSLOT_RSA_MAX 0x2
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#define KEYSIZE_AES_MAX 0x20
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#define KEYSIZE_RSA_MAX 0x100
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#define ALG_SHIFT (12)
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#define ALG_DEC_SHIFT (8)
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#define ALG_NOP (0 << ALG_SHIFT)
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#define ALG_AES_ENC (1 << ALG_SHIFT)
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#define ALG_AES_DEC ((1 << ALG_DEC_SHIFT) | ALG_NOP)
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#define ALG_RNG (2 << ALG_SHIFT)
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#define ALG_SHA (3 << ALG_SHIFT)
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#define ALG_RSA (4 << ALG_SHIFT)
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#define DST_SHIFT (2)
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#define DST_MEMORY (0 << DST_SHIFT)
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#define DST_HASHREG (1 << DST_SHIFT)
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#define DST_KEYTAB (2 << DST_SHIFT)
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#define DST_SRK (3 << DST_SHIFT)
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#define DST_RSAREG (4 << DST_SHIFT)
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#define ENCMODE_SHIFT (24)
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#define DECMODE_SHIFT (16)
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#define ENCMODE_SHA256 (5 << ENCMODE_SHIFT)
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#define HASH_DISABLE (0x0)
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#define HASH_ENABLE (0x1)
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#define OP_ABORT 0
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#define OP_START 1
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#define OP_RESTART 2
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#define OP_CTX_SAVE 3
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#define OP_RESTART_IN 4
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#define RSA_2048_BYTES 0x100
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typedef struct security_engine {
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unsigned int _0x0;
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unsigned int _0x4;
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unsigned int OPERATION_REG;
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unsigned int INT_ENABLE_REG;
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unsigned int INT_STATUS_REG;
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unsigned int CONFIG_REG;
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unsigned int IN_LL_ADDR_REG;
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unsigned int _0x1C;
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unsigned int _0x20;
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unsigned int OUT_LL_ADDR_REG;
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unsigned int _0x28;
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unsigned int _0x2C;
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unsigned char HASH_RESULT_REG[0x20];
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unsigned char _0x50[0x1B0];
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unsigned int SHA_CONFIG_REG;
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unsigned int SHA_MSG_LENGTH_REG;
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unsigned int _0x20C;
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unsigned int _0x210;
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unsigned int SHA_MSG_LEFT_REG;
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unsigned int _0x218;
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unsigned int _0x21C;
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unsigned int _0x220;
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unsigned int _0x224;
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unsigned char _0x228[0x5C];
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unsigned int AES_KEY_READ_DISABLE_REG;
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unsigned int AES_KEYSLOT_FLAGS[0x10];
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unsigned char _0x2C4[0x3C];
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unsigned int _0x300;
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unsigned int CRYPTO_REG;
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unsigned int CRYPTO_CTR_REG[4];
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unsigned int BLOCK_COUNT_REG;
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unsigned int AES_KEYTABLE_ADDR;
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unsigned int AES_KEYTABLE_DATA;
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unsigned int _0x324;
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unsigned int _0x328;
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unsigned int _0x32C;
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unsigned int CRYPTO_KEYTABLE_DST_REG;
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unsigned char _0x334[0xC];
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unsigned int RNG_CONFIG_REG;
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unsigned int RNG_SRC_CONFIG_REG;
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unsigned int RNG_RESEED_INTERVAL_REG;
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unsigned char _0x34C[0xB4];
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unsigned int RSA_CONFIG;
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unsigned int RSA_KEY_SIZE_REG;
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unsigned int RSA_EXP_SIZE_REG;
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unsigned int RSA_KEY_READ_DISABLE_REG;
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unsigned int RSA_KEYSLOT_FLAGS[2];
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unsigned int _0x418;
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unsigned int _0x41C;
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unsigned int RSA_KEYTABLE_ADDR;
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unsigned int RSA_KEYTABLE_DATA;
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unsigned char RSA_OUTPUT[0x100];
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unsigned char _0x528[0x2D8];
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unsigned int FLAGS_REG;
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unsigned int ERR_STATUS_REG;
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unsigned int _0x808;
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unsigned int _0x80C;
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unsigned int _0x810;
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unsigned int _0x814;
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unsigned int _0x818;
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unsigned int _0x81C;
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unsigned char _0x820[0x17E0];
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} security_engine_t;
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typedef struct {
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uint32_t address;
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uint32_t size;
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} se_addr_info_t;
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typedef struct {
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uint32_t num_entries; /* Set to total entries - 1 */
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se_addr_info_t addr_info; /* This should really be an array...but for our use case it works. */
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} se_ll_t;
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/* TODO: Define constants for the C driver. */
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/* WIP, API subject to change. */
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/* This function MUST be registered to fire on the appropriate interrupt. */
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void se_operation_completed(void);
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security_engine_t *get_security_engine_address(void);
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void se_check_for_error(void);
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void se_trigger_interrupt(void);
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void se_verify_flags_cleared(void);
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void se_clear_interrupts(void);
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void set_aes_keyslot_flags(unsigned int keyslot, unsigned int flags);
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void set_rsa_keyslot_flags(unsigned int keyslot, unsigned int flags);
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void clear_aes_keyslot(unsigned int keyslot);
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void clear_rsa_keyslot(unsigned int keyslot);
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void set_aes_keyslot(unsigned int keyslot, const void *key, size_t key_size);
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void decrypt_data_into_keyslot(unsigned int keyslot_dst, unsigned int keyslot_src, const void *wrapped_key, size_t wrapped_key_size);
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void set_rsa_keyslot(unsigned int keyslot, const void *modulus, size_t modulus_size, const void *exponent, size_t exp_size);
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void set_aes_keyslot_iv(unsigned int keyslot, const void *iv, size_t iv_size);
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void set_se_ctr(const void *ctr);
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/* Insecure AES API */
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void se_aes_ctr_crypt_insecure(unsigned int keyslot, uint32_t out_ll_paddr, uint32_t in_ll_paddr, size_t size, const void *ctr, unsigned int (*callback)(void));
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void se_aes_cbc_encrypt_insecure(unsigned int keyslot, uint32_t out_ll_paddr, uint32_t in_ll_paddr, size_t size, const void *iv, unsigned int (*callback)(void));
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void se_aes_cbc_decrypt_insecure(unsigned int keyslot, uint32_t out_ll_paddr, uint32_t in_ll_paddr, size_t size, const void *iv, unsigned int (*callback)(void));
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/* Secure AES API */
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void se_compute_aes_128_cmac(unsigned int keyslot, void *cmac, size_t cmac_size, const void *data, size_t data_size);
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void se_compute_aes_256_cmac(unsigned int keyslot, void *cmac, size_t cmac_size, const void *data, size_t data_size);
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void se_aes_128_ecb_encrypt_block(unsigned int keyslot, void *dst, size_t dst_size, const void *src, size_t src_size);
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void se_aes_256_ecb_encrypt_block(unsigned int keyslot, void *dst, size_t dst_size, const void *src, size_t src_size);
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void se_aes_ctr_crypt(unsigned int keyslot, void *dst, size_t dst_size, const void *src, size_t src_size, const void *ctr, size_t ctr_size);
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void se_aes_ecb_decrypt_block(unsigned int keyslot, void *dst, size_t dst_size, const void *src, size_t src_size);
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/* Hash API */
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void se_calculate_sha256(void *dst, const void *src, size_t src_size);
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/* RSA API */
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void se_exp_mod(unsigned int keyslot, void *buf, size_t size, unsigned int (*callback)(void));
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void se_get_exp_mod_output(void *buf, size_t size);
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void se_synchronous_exp_mod(unsigned int keyslot, void *dst, size_t dst_size, const void *src, size_t src_size);
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/* RNG API */
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void se_initialize_rng(unsigned int keyslot);
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void se_generate_random(unsigned int keyslot, void *dst, size_t size);
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/* TODO: SE context save API. */
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#endif /* EXOSPHERE_SE_H */
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