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fix memory leak in mpi_miller_rabin()

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Fixes memory leak in mpi_miller_rabin() that occurs when the function has
failed to obtain a usable random 'A' 30 turns in a row.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Jens Wiklander 2019-01-17 13:30:57 +01:00 committed by Ron Eldor
parent bdc807dbe8
commit b2aa938ed6
1 changed files with 2 additions and 1 deletions
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3
library/bignum.c
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@ -2128,7 +2128,8 @@ static int mpi_miller_rabin( const mbedtls_mpi *X, size_t rounds,
} }
if (count++ > 30) { if (count++ > 30) {
return MBEDTLS_ERR_MPI_NOT_ACCEPTABLE; ret = MBEDTLS_ERR_MPI_NOT_ACCEPTABLE;
goto cleanup;
} }
} while ( mbedtls_mpi_cmp_mpi( &A, &W ) >= 0 || } while ( mbedtls_mpi_cmp_mpi( &A, &W ) >= 0 ||