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DRBG documentation: Relate f_entropy arguments to the entropy module

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This commit is contained in:
Gilles Peskine 2019-10-02 19:00:57 +02:00
parent 97edf5e1e2
commit b9cfe58180
2 changed files with 17 additions and 0 deletions
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10
include/mbedtls/ctr_drbg.h
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@ -179,6 +179,16 @@ void mbedtls_ctr_drbg_init( mbedtls_ctr_drbg_context *ctx );
* \brief This function seeds and sets up the CTR_DRBG
* entropy source for future reseeds.
*
* A typical choice for the \p f_entropy and \p p_entropy parameters is
* to use the entropy module:
* - \p f_entropy is mbedtls_entropy_func();
* - \p p_entropy is an instance of ::mbedtls_entropy_context initialized
* with mbedtls_entropy_init() (which registers the platform's default
* entropy sources).
*
* \p f_entropy is always called with a buffer size equal to the entropy
* length described in the documentation of mbedtls_ctr_drbg_set_entropy_len().
*
* You can provide a personalization string in addition to the
* entropy source, to make this instantiation as unique as possible.
*

7
include/mbedtls/hmac_drbg.h
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@ -122,6 +122,13 @@ void mbedtls_hmac_drbg_init( mbedtls_hmac_drbg_context *ctx );
*
* Set the initial seed and set up the entropy source for future reseeds.
*
* A typical choice for the \p f_entropy and \p p_entropy parameters is
* to use the entropy module:
* - \p f_entropy is mbedtls_entropy_func();
* - \p p_entropy is an instance of ::mbedtls_entropy_context initialized
* with mbedtls_entropy_init() (which registers the platform's default
* entropy sources).
*
* You can provide a personalization string in addition to the
* entropy source, to make this instantiation as unique as possible.
*