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Add warning to mbedtls_ecp_set_max_ops()

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Using PSA interruptible interfaces will cause previously set values to be
overwritten.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2023-02-15 22:57:44 +00:00
parent 21c3951139
commit 5686533ba2
1 changed files with 6 additions and 0 deletions
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6
include/mbedtls/ecp.h
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@ -472,6 +472,12 @@ mbedtls_ecp_keypair;
* only enabled for specific sides and key exchanges * only enabled for specific sides and key exchanges
* (currently only for clients and ECDHE-ECDSA). * (currently only for clients and ECDHE-ECDSA).
* *
* \warning Using the PSA interruptible interfaces with keys in local
* storage and no accelerator driver will also call this
* function to set the values specified via those interfaces,
* overwriting values previously set. Care should be taken if
* mixing these two interfaces.
*
* \param max_ops Maximum number of basic operations done in a row. * \param max_ops Maximum number of basic operations done in a row.
* Default: 0 (unlimited). * Default: 0 (unlimited).
* Lower (non-zero) values mean ECC functions will block for * Lower (non-zero) values mean ECC functions will block for