From 8aeecc155d3aef5dae8762ace236dd6365fb636d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Sat, 16 Nov 2002 00:24:41 +0100
Subject: [PATCH] (macro GET): Check sign of parsed numbers.
Rev: src/nettle/sexp2dsa.c:1.2
Rev: src/nettle/sexp2rsa.c:1.9
---
sexp2dsa.c | 8 ++++++--
sexp2rsa.c | 8 ++++++--
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/sexp2dsa.c b/sexp2dsa.c
index e7731cc6..357b3cf8 100644
--- a/sexp2dsa.c
+++ b/sexp2dsa.c
@@ -35,8 +35,12 @@
#include <string.h>
-#define GET(x, l, v) \
-do { if (!nettle_mpz_set_sexp((x), (l), (v))) return 0; } while(0)
+#define GET(x, l, v) \
+do { \
+ if (!nettle_mpz_set_sexp((x), (l), (v)) \
+ || mpz_sgn(x) <= 0) \
+ return 0; \
+} while(0)
/* Iterator should point past the algorithm tag, e.g.
*
diff --git a/sexp2rsa.c b/sexp2rsa.c
index 85111408..c5795db3 100644
--- a/sexp2rsa.c
+++ b/sexp2rsa.c
@@ -35,8 +35,12 @@
#include <string.h>
-#define GET(x, l, v) \
-do { if (!nettle_mpz_set_sexp((x), (l), (v))) return 0; } while(0)
+#define GET(x, l, v) \
+do { \
+ if (!nettle_mpz_set_sexp((x), (l), (v)) \
+ || mpz_sgn(x) <= 0) \
+ return 0; \
+} while(0)
/* Iterator should point past the algorithm tag, e.g.
*
--
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