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mbedtls_config: update descriptions of MBEDTLS_CTR_DRBG_C and MBEDTLS_PSA_CRYPTO_C

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-11-23 16:29:51 +01:00
parent 45337a8895
commit 7ab90723c4
1 changed files with 11 additions and 3 deletions
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14
include/mbedtls/mbedtls_config.h
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@ -2607,6 +2607,13 @@
* The CTR_DRBG generator uses AES-256 by default.
* To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above.
*
* AES support can either be achived through builtin (MBEDTLS_AES_C) or PSA.
* Builtin is the default option when MBEDTLS_AES_C is defined otherwise PSA
* is used.
*
* \warning When using PSA, the user should call `psa_crypto_init()` before
* using any CTR_DRBG operation (except `mbedtls_ctr_drbg_init()`).
*
* \note AES-128 will be used if \c MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH is set.
*
* \note To achieve a 256-bit security strength with CTR_DRBG,
@ -2616,7 +2623,9 @@
* Module: library/ctr_drbg.c
* Caller:
*
* Requires: MBEDTLS_AES_C
* Requires: MBEDTLS_AES_C or
* (PSA_WANT_KEY_TYPE_AES and PSA_WANT_ALG_ECB_NO_PADDING and
* MBEDTLS_PSA_CRYPTO_C)
*
* This module provides the CTR_DRBG AES random number generator.
*/
@ -3155,8 +3164,7 @@
*
* Module: library/psa_crypto.c
*
* Requires: MBEDTLS_CIPHER_C,
* either MBEDTLS_CTR_DRBG_C and MBEDTLS_ENTROPY_C,
* Requires: either MBEDTLS_CTR_DRBG_C and MBEDTLS_ENTROPY_C,
* or MBEDTLS_HMAC_DRBG_C and MBEDTLS_ENTROPY_C,
* or MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG.
*