sparc64: Fix IV handling bug in des_sparc64_cbc_decrypt

Submitted by David Miller on Sept. 18, 2012, 3:01 a.m.

Details

Message ID 20120917.230144.383780203829176979.davem@davemloft.net
State Accepted
Delegated to: David Miller
Headers show

Commit Message

David Miller Sept. 18, 2012, 3:01 a.m.
The IV wasn't being propagated properly past the first loop
iteration.

This bug lived only because the crypto layer tests for
cbc(des) do not have any cases that go more than one loop.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/crypto/des_asm.S |    1 +
 1 file changed, 1 insertion(+)

Patch hide | download patch | download mbox

diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S
index a7da935..30b6e90 100644
--- a/arch/sparc/crypto/des_asm.S
+++ b/arch/sparc/crypto/des_asm.S
@@ -168,6 +168,7 @@  ENTRY(des_sparc64_cbc_decrypt)
 	DES_ROUND(28, 30, 32, 32)
 	DES_IIP(32, 32)
 	fxor	%f32, %f34, %f32
+	fsrc2	%f36, %f34
 	std	%f32, [%o1 + 0x00]
 	add	%o0, 0x08, %o0
 	subcc	%o2, 0x08, %o2