[PATCH 2/3] Specify stack_burn for SHA256 cipher

[Dmitry Eremin-Solenikov]

* cipher/sha256.c (sha256_init): fill stack_burn information for SHA256
cipher, which otherwise will contain random value.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>
---
 cipher/sha256.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/cipher/sha256.c b/cipher/sha256.c
index 975612b..1785699 100644
--- a/cipher/sha256.c
+++ b/cipher/sha256.c
@@ -70,6 +70,7 @@ sha256_init (void *context)
   hd->bctx.nblocks = 0;
   hd->bctx.count = 0;
   hd->bctx.blocksize = 64;
+  hd->bctx.stack_burn = 74*4+32;
   hd->bctx.bwrite = transform;
 }
 
-- 
1.7.10.4