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Handle random generator failure in mbedtls_mpi_fill_random()

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-11-25 16:15:14 +01:00
parent 2f78062e75
commit 0525114752
2 changed files with 9 additions and 1 deletions
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2
library/bignum.c
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@ -2334,7 +2334,7 @@ int mbedtls_mpi_fill_random( mbedtls_mpi *X, size_t size,
MBEDTLS_MPI_CHK( mbedtls_mpi_lset( X, 0 ) );
Xp = (unsigned char*) X->p;
f_rng( p_rng, Xp + overhead, size );
MBEDTLS_MPI_CHK( f_rng( p_rng, Xp + overhead, size ) );
mpi_bigendian_to_host( X->p, limbs );