From 539705d58fc39a28388ff18c695dd406f4ffd1d9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ren=C3=A9=20Sch=C3=BCmann?= Date: Fri, 20 Mar 2015 12:32:29 +0000 Subject: MirOTR: Libgcrypt and Libgpg-error update Libgcrypt 1.4.6 => 1.6.3 Libgpg-error 1.9 => 1.18 git-svn-id: http://svn.miranda-ng.org/main/trunk@12449 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/MirOTR/Libgcrypt/mpi/mpi-inv.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'plugins/MirOTR/Libgcrypt/mpi/mpi-inv.c') diff --git a/plugins/MirOTR/Libgcrypt/mpi/mpi-inv.c b/plugins/MirOTR/Libgcrypt/mpi/mpi-inv.c index 5d269466e0..ee6813b1ed 100644 --- a/plugins/MirOTR/Libgcrypt/mpi/mpi-inv.c +++ b/plugins/MirOTR/Libgcrypt/mpi/mpi-inv.c @@ -29,7 +29,7 @@ * 1 = (a*x) mod n */ int -gcry_mpi_invm( gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t n ) +_gcry_mpi_invm (gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t n) { #if 0 gcry_mpi_t u, v, u1, u2, u3, v1, v2, v3, q, t1, t2, t3; @@ -165,6 +165,11 @@ gcry_mpi_invm( gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t n ) int sign; int odd ; + if (!mpi_cmp_ui (a, 0)) + return 0; /* Inverse does not exists. */ + if (!mpi_cmp_ui (n, 1)) + return 0; /* Inverse does not exists. */ + u = mpi_copy(a); v = mpi_copy(n); -- cgit v1.2.3