From 6c84092d4d67b1a552ef287525be34e0474a9de5 Mon Sep 17 00:00:00 2001
From: Mamone Tarsha <maamoun.tk@googlemail.com>
Date: Sat, 3 Jul 2021 02:40:29 +0300
Subject: [PATCH] [S390x] wipe parameter block content and leftover bytes of
data from stack
---
s390x/msa_x4/gcm-hash.asm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/s390x/msa_x4/gcm-hash.asm b/s390x/msa_x4/gcm-hash.asm
index 3bbc8a63..50d8b7c0 100644
--- a/s390x/msa_x4/gcm-hash.asm
+++ b/s390x/msa_x4/gcm-hash.asm
@@ -92,7 +92,7 @@ PROLOGUE(_nettle_gcm_hash)
brc 1,3b C safely branch back in case of partial completion
4:
mvc 0(16,%r6),0(%r1) C store x
- xc 16(16,%r1),16(%r1) C wipe hash subkey from stack
+ xc 0(PB_SIZE+16,%r1),0(%r1) C wipe parameter block content and leftover bytes of data from stack
FREE_STACK(PB_SIZE+16)
lgdr %r6,%f0 C restore general register 6
br RA
--
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