Gilles Peskine f4998b0a20 Fix multiplication producing a negative zero ...

Fix mbedtls_mpi_mul_mpi() when one of the operands is zero and the
other is negative. The sign of the result must be 1, since some
library functions do not treat {-1, 0, NULL} or {-1, n, {0}} as
representing the value 0.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

2021-06-22 12:47:21 +02:00

221 KiB

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