From f1f47fea7fa88a6b802c598f5db22a221169e216 Mon Sep 17 00:00:00 2001
From: bg <daniel.otte@rub.de>
Date: Mon, 14 Jan 2013 01:34:06 +0100
Subject: [PATCH] [keccak-asm] applying quick-fix

---
 keccak/keccak-asm.S | 12 ++++++------
 keccak/keccak.c     |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/keccak/keccak-asm.S b/keccak/keccak-asm.S
index db8548c..f82063b 100644
--- a/keccak/keccak-asm.S
+++ b/keccak/keccak-asm.S
@@ -842,14 +842,14 @@ keccak_lastBlock:
 	movw r24, ctx_l
 	movw r22, r4
 	rcall keccak_nextBlock
-	sub r4, pbs
-	sbc r5, __zero_reg__
+	add r4, pbs
+	adc r5, __zero_reg__
 	sub length_b_l, pr_l
-	sbc length_b_l, pr_h
+	sbc length_b_h, pr_h
 	rjmp 10b
 20:
-	movw XL, r4
 	movw ZL, ctx_l
+	movw XL, r4
 	movw r22, length_b_l
 	lsr r23
 	ror r22
@@ -867,12 +867,12 @@ keccak_lastBlock:
 	dec r23
 	brne 10b
 20:
+	ldi r25, 1
 	mov r18, length_b_l
 	andi r18, 7
-	mov r19, r18
-	ldi r25, 1
 	breq 30f
 	/* we have trailing bits */
+	mov r19, r18
 	ld r24, X+
 	subi r18, 8
 	neg r18
diff --git a/keccak/keccak.c b/keccak/keccak.c
index 506c77c..501ca77 100644
--- a/keccak/keccak.c
+++ b/keccak/keccak.c
@@ -195,7 +195,7 @@ void keccak_lastBlock(keccak_ctx_t* ctx, const void* block, uint16_t length_b){
     }else{
         t = 0x01;
     }
-    ctx->a[length_B] ^= t
+    ctx->a[length_B] ^= t;
     if(length_b == ctx->r - 1){
         keccak_f1600(ctx->a);
     }
-- 
2.39.2