hmac_drbg: set_entropy_len can now return an error

Make mbedtls_hmac_drbg_set_entropy_len return an error
in case of a too long entropy length setting.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2020-07-18 06:05:03 -04:00
parent 9167aa96f8
commit 6bc37fa4e2
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GPG key ID: 89A90840DC388527
3 changed files with 11 additions and 5 deletions

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@ -228,9 +228,11 @@ void mbedtls_hmac_drbg_set_prediction_resistance( mbedtls_hmac_drbg_context *ctx
*
* \param ctx The HMAC_DRBG context.
* \param len The amount of entropy to grab, in bytes.
*
* \return \c 0 if \p len is valid, MBEDTLS_HMAC_DRBG_MAX_INPUT otherwise.
*/
void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx,
size_t len );
int mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx,
size_t len );
/**
* \brief Set the reseed interval.