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Fix a few unchecked return codes in EC

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Manuel Pégourié-Gonnard 2013-12-30 19:33:33 +01:00
parent 9e4191c3e7
commit 26bc1c0f5d
1 changed files with 6 additions and 6 deletions
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12
library/ecp.c
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@ -798,8 +798,8 @@ static int ecp_normalize_jac_many( const ecp_group *grp,
* - shrinking other coordinates, but still keeping the same number of * - shrinking other coordinates, but still keeping the same number of
* limbs as P, as otherwise it will too likely be regrown too fast. * limbs as P, as otherwise it will too likely be regrown too fast.
*/ */
mpi_shrink( &T[i]->X, grp->P.n ); MPI_CHK( mpi_shrink( &T[i]->X, grp->P.n ) );
mpi_shrink( &T[i]->Y, grp->P.n ); MPI_CHK( mpi_shrink( &T[i]->Y, grp->P.n ) );
mpi_free( &T[i]->Z ); mpi_free( &T[i]->Z );
if( i == 0 ) if( i == 0 )
@ -1036,7 +1036,7 @@ int ecp_sub( const ecp_group *grp, ecp_point *R,
return( POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE ); return( POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE );
/* mQ = - Q */ /* mQ = - Q */
ecp_copy( &mQ, Q ); MPI_CHK( ecp_copy( &mQ, Q ) );
if( mpi_cmp_int( &mQ.Y, 0 ) != 0 ) if( mpi_cmp_int( &mQ.Y, 0 ) != 0 )
MPI_CHK( mpi_sub_mpi( &mQ.Y, &grp->P, &mQ.Y ) ); MPI_CHK( mpi_sub_mpi( &mQ.Y, &grp->P, &mQ.Y ) );
@ -1195,7 +1195,7 @@ static int ecp_precompute_comb( const ecp_group *grp,
TT[k++] = cur; TT[k++] = cur;
} }
ecp_normalize_jac_many( grp, TT, k ); MPI_CHK( ecp_normalize_jac_many( grp, TT, k ) );
/* /*
* Compute the remaining ones using the minimal number of additions * Compute the remaining ones using the minimal number of additions
@ -1207,12 +1207,12 @@ static int ecp_precompute_comb( const ecp_group *grp,
j = i; j = i;
while( j-- ) while( j-- )
{ {
ecp_add_mixed( grp, &T[i + j], &T[j], &T[i] ); MPI_CHK( ecp_add_mixed( grp, &T[i + j], &T[j], &T[i] ) );
TT[k++] = &T[i + j]; TT[k++] = &T[i + j];
} }
} }
ecp_normalize_jac_many( grp, TT, k ); MPI_CHK( ecp_normalize_jac_many( grp, TT, k ) );
cleanup: cleanup:
return( ret ); return( ret );