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Enhance otPlatRandomGet API to provide random stream (#471)

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* Enhance otPlatRandomGet API to provide random stream
This commit is contained in:
Lu Wang
2016-08-25 23:41:40 -07:00
committed by Jonathan Hui
parent 4d37d0098e
commit 3d04344cc9
3 changed files with 55 additions and 0 deletions
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include/platform/random.h
+15
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@@ -52,6 +52,21 @@ extern "C" {
*
*/
/**
* Get random stream.
*
* @param[in] aInputLength The expected size of random values.
* @param[out] aOutput A pointer to the buffer for the generated random stream. The pointer should never be NULL.
* @param[out] aOutputLength A pointer to the generated size of random stream.
* It is supposed to be the same as aInputLength, but maybe less than aInputLength.
* The pointer should never be NULL.
*
* @retval kThreadError_None Generate random successfully.
* @retval kThreadError_Fail Generate random fail.
* @retval kThreadError_InvalidArgs Invalid args.
*/
ThreadError otPlatSecureRandomGet(uint16_t aInputLength, uint8_t *aOutput, uint16_t *aOutputLength);
/**
* Get a 32-bit true random value.
*