From a16bdf7bd57e2a3c68e7f14acad32ce3740600a8 Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Mon, 14 Sep 2015 17:10:07 -0400
Subject: Fencepost error in hal_ecdas_key_from_ecpoint().

---
 ecdsa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ecdsa.c')

diff --git a/ecdsa.c b/ecdsa.c
index 264f2c5..bf105b4 100644
--- a/ecdsa.c
+++ b/ecdsa.c
@@ -998,7 +998,7 @@ hal_error_t hal_ecdsa_key_from_ecpoint(hal_ecdsa_key_t **key_,
   if (vlen < 3 || (vlen & 1) == 0 || *d++ != 0x04)
     lose(HAL_ERROR_ASN1_PARSE_FAILED);
 
-  vlen = vlen/2 - 1;
+  vlen /= 2;
 
   fp_read_unsigned_bin(key->Q->x, unconst_uint8_t(d), vlen);
   d += vlen;
-- 
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