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Flesh out more of the SE driver

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This commit is contained in:
Michael Scire
2018-02-19 01:27:50 -08:00
parent f77cae48d0
commit 83fd2c43a3
3 changed files with 117 additions and 3 deletions
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22
exosphere/se.h
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@@ -75,8 +75,8 @@ typedef struct security_engine {
unsigned int _0x41C;
unsigned int RSA_KEYTABLE_ADDR;
unsigned int RSA_KEYTABLE_DATA;
unsigned int RSA_OUTPUT;
unsigned char _0x42C[0x3D4];
unsigned char RSA_OUTPUT[0x100];
unsigned char _0x528[0x2D8];
unsigned int FLAGS_REG;
unsigned int ERR_STATUS_REG;
unsigned int _0x808;
@@ -88,16 +88,30 @@ typedef struct security_engine {
unsigned char _0x820[0x17E0];
} security_engine_t;
typedef struct {
uint32_t address;
uint32_t size;
} se_addr_info_t;
typedef struct {
uint32_t num_entries; /* Set to total entries - 1 */
se_addr_info_t addr_info; /* This should really be an array...but for our use case it works. */
} se_ll_t;
/* TODO: Define constants for the C driver. */
/* WIP, API subject to change. */
/* This function MUST be registered to fire on the appropriate interrupt. */
void se_operation_completed(void);
void set_security_engine_address(security_engine_t *security_engine);
security_engine_t *get_security_engine_address(void);
void se_check_for_error(void);
void set_aes_keyslot_flags(unsigned int keyslot, unsigned int flags);
void set_rsa_keyslot_flags(unsigned int keyslot, unsigned int flags);
void clear_aes_keyslot(unsigned int keyslot);
@@ -110,8 +124,12 @@ void set_aes_keyslot_iv(unsigned int keyslot, const void *iv, size_t iv_size);
void set_se_ctr(const void *ctr);
void se_crypt_aes(unsigned int keyslot, void *dst, size_t dst_size, const void *src, size_t src_size, unsigned int config, unsigned int mode, unsigned int (*callback)(void));
void se_exp_mod(unsigned int keyslot, void *buf, size_t size, unsigned int (*callback)(void));
void se_get_exp_mod_output(void *buf, size_t size);
void se_generate_random(unsigned int keyslot, void *dst, size_t size);
/* TODO: SE context save API, consider extending AES API for secure world vs non-secure world operations. */