2018-02-17 07:55:08 +00:00
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#ifndef EXOSPHERE_SE_H
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#define EXOSPHERE_SE_H
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/* Exosphere driver for the Tegra X1 security engine. */
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/* TODO: Define constants for the C driver. */
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/* WIP, API subject to change. */
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#define KEYSLOT_AES_MAX 0x10
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#define KEYSLOT_RSA_MAX 0x2
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void set_security_engine_address(void *security_engine);
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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 char *key, unsigned int key_size);
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2018-02-17 07:57:44 +00:00
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void crypt_data_into_keyslot(unsigned int keyslot_dst, unsigned int keyslot_src, const char *wrapped_key, unsigned int wrapped_key_size);
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2018-02-17 07:55:08 +00:00
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void set_rsa_keyslot(unsigned int keyslot, const char *modulus, unsigned int modulus_size, const char *exp, unsigned int exp_size);
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void set_aes_keyslot_iv(unsigned int keyslot, const char *iv, unsigned int iv_size);
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void set_se_ctr(const unsigned int *ctr);
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void se_crypt_aes(unsigned int keyslot, char *dst, unsigned int dst_size, const char *src, unsigned int src_size, unsigned int config, unsigned int mode, unsigned int (*callback)(void));
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void se_exp_mod(unsigned int keyslot, char *buf, unsigned int size, unsigned int (*callback)(void));
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/* TODO: SE context save API, consider extending AES API for secure world vs non-secure world operations. */
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/* In particular, smc_crypt_aes takes in raw DMA lists, and we need to support that. */
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#endif /* EXOSPHERE_SE_H */
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