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Gilles Peskine afaee1cacf Catch AES failure in mbedtls_ctr_drbg_random
The functions mbedtls_ctr_drbg_random() and
mbedtls_ctr_drbg_random_with_add() could return 0 if an AES function
failed. This could only happen with alternative AES
implementations (the built-in implementation of the AES functions
involved never fail), typically due to a failure in a hardware
accelerator.

Bug reported and fix proposed by Johan Uppman Bruce and Christoffer
Lauri, Sectra.
2019-11-28 10:03:08 +01:00
..
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