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compile time warning of 128bit ctr_drbg keys and standardized warnings

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a compile time print was added warning in case of 128bit ctr_drbg keys.
This was don't to avoid an actual warning in these cases
(making build with warnings as errors possible).
Additional warnings on the Changelog/headers were set to use the same phrasing
phrasing was approved by Gilles and Janos.
This commit is contained in:
Nir Sonnenschein 2018-08-29 10:20:12 +03:00
parent ce266e4ca2
commit b7ebbcaa2c
4 changed files with 33 additions and 5 deletions
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4
include/mbedtls/ctr_drbg.h
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@ -11,8 +11,8 @@
* The Mbed TLS implementation of CTR_DRBG uses AES-256 (default) or AES-128
* as the underlying block cipher.
*
* * \warning ARC4 is considered a weak cipher and its use constitutes a
* security risk. We recommend considering stronger ciphers instead.
* \warning Using 128-bit keys for CTR_DRBG limits the security of generated
* keys and operations that use random values generated to 128-bit security.
*/
/*
* Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved