diff options
Diffstat (limited to 'mpi')
| -rw-r--r-- | mpi/mpi-add.c | 14 | ||||
| -rw-r--r-- | mpi/mpi-inv.c | 2 | ||||
| -rw-r--r-- | mpi/mpi-mul.c | 7 |
3 files changed, 22 insertions, 1 deletions
diff --git a/mpi/mpi-add.c b/mpi/mpi-add.c index 2c1aa6c61..b9c69af44 100644 --- a/mpi/mpi-add.c +++ b/mpi/mpi-add.c @@ -222,3 +222,17 @@ mpi_sub(MPI w, MPI u, MPI v) } +void +mpi_addm( MPI w, MPI u, MPI v, MPI m) +{ + mpi_add(w, u, v); + mpi_fdiv_r( w, w, m ); +} + +void +mpi_subm( MPI w, MPI u, MPI v, MPI m) +{ + mpi_sub(w, u, v); + mpi_fdiv_r( w, w, m ); +} + diff --git a/mpi/mpi-inv.c b/mpi/mpi-inv.c index f37f4e511..28cde00b6 100644 --- a/mpi/mpi-inv.c +++ b/mpi/mpi-inv.c @@ -30,7 +30,7 @@ * 1 = (a*x) mod n */ void -mpi_inv_mod( MPI x, MPI a, MPI n ) +mpi_invm( MPI x, MPI a, MPI n ) { #if 0 MPI u, v, u1, u2, u3, v1, v2, v3, q, t1, t2, t3; diff --git a/mpi/mpi-mul.c b/mpi/mpi-mul.c index 03f2b4b44..aa5beb73b 100644 --- a/mpi/mpi-mul.c +++ b/mpi/mpi-mul.c @@ -176,3 +176,10 @@ mpi_mul( MPI w, MPI u, MPI v) } +void +mpi_mulm( MPI w, MPI u, MPI v, MPI m) +{ + mpi_mul(w, u, v); + mpi_fdiv_r( w, w, m ); +} + |