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Commit 7d301d93 authored by Maamoun TK's avatar Maamoun TK
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[S390x] wipe hash subkey from stack once GHASH operation completed

parent 33bfc509
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s390x/msa_x4/gcm-hash.asm
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...@@ -92,6 +92,7 @@ PROLOGUE(_nettle_gcm_hash) ...@@ -92,6 +92,7 @@ PROLOGUE(_nettle_gcm_hash)
brc 1,3b C safely branch back in case of partial completion brc 1,3b C safely branch back in case of partial completion
4: 4:
mvc 0(16,%r6),0(%r1) C store x mvc 0(16,%r6),0(%r1) C store x
xc 16(16,%r1),16(%r1) C wipe hash subkey from stack
FREE_STACK(PB_SIZE+16) FREE_STACK(PB_SIZE+16)
lgdr %r6,%f0 C restore general register 6 lgdr %r6,%f0 C restore general register 6
br RA br RA
......
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