From 50546921ac8250d1884c41fd9dc7a645007d4103 Mon Sep 17 00:00:00 2001 From: Paul Bakker Date: Sat, 19 May 2012 08:40:49 +0000 Subject: [PATCH] - Moved to prevent uninitialized exit var --- library/bignum.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/library/bignum.c b/library/bignum.c index e73a810b32..08cbf8c684 100644 --- a/library/bignum.c +++ b/library/bignum.c @@ -1396,19 +1396,6 @@ int mpi_exp_mod( mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR ) if( mpi_cmp_int( E, 0 ) < 0 ) return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - /* - * Compensate for negative A (and correct at the end) - */ - neg = ( A->s == -1 ); - - mpi_init( &Apos ); - if( neg ) - { - MPI_CHK( mpi_copy( &Apos, A ) ); - Apos.s = 1; - A = &Apos; - } - /* * Init temps and window size */ @@ -1429,6 +1416,19 @@ int mpi_exp_mod( mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR ) MPI_CHK( mpi_grow( &W[1], j ) ); MPI_CHK( mpi_grow( &T, j * 2 ) ); + /* + * Compensate for negative A (and correct at the end) + */ + neg = ( A->s == -1 ); + + mpi_init( &Apos ); + if( neg ) + { + MPI_CHK( mpi_copy( &Apos, A ) ); + Apos.s = 1; + A = &Apos; + } + /* * If 1st call, pre-compute R^2 mod N */