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am 6950fae4: Merge "Simplify keymaster_key_origin_t."

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* commit '6950fae4646752f79f42d6a7335f58c33ce4c20d':
  Simplify keymaster_key_origin_t.
This commit is contained in:
Shawn Willden 2015-04-10 14:00:20 +00:00 committed by Android Git Automerger
commit 94269ea080
1 changed files with 5 additions and 4 deletions
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9
include/hardware/keymaster_defs.h
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@ -199,12 +199,13 @@ typedef enum {
} keymaster_digest_t;
/**
* The origin of a key (or pair), i.e. where it was generated. Origin and can be used together to
* determine whether a key may have existed outside of secure hardware. This type is new in 0_4.
* The origin of a key (or pair), i.e. where it was generated. Note that KM_TAG_ORIGIN can be found
* in either the hardware-enforced or software-enforced list for a key, indicating whether the key
* is hardware or software-based. Specifically, a key with KM_ORIGIN_GENERATED in the
* hardware-enforced list is guaranteed never to have existed outide the secure hardware.
*/
typedef enum {
KM_ORIGIN_HARDWARE = 0, /* Generated in secure hardware */
KM_ORIGIN_SOFTWARE = 1, /* Generated in non-secure software */
KM_ORIGIN_GENERATED = 0, /* Generated in keymaster */
KM_ORIGIN_IMPORTED = 2, /* Imported, origin unknown */
} keymaster_key_origin_t;