From: bg <daniel.otte@rub.de>
Date: Sun, 20 Jan 2013 21:57:05 +0000 (+0100)
Subject: [sha1-asm] fixing bug when *_lastBlock is used to hash multiple blocks, thanks to... 
X-Git-Url: https://git.cryptolib.org/?p=avr-crypto-lib.git;a=commitdiff_plain;h=5a83cf2b010b74721dec56d940dcf457fae24205

[sha1-asm] fixing bug when *_lastBlock is used to hash multiple blocks, thanks to Alex
---

diff --git a/sha1/sha1-asm.S b/sha1/sha1-asm.S
index 4d185f9..f479fcc 100644
--- a/sha1/sha1-asm.S
+++ b/sha1/sha1-asm.S
@@ -284,8 +284,8 @@ sha1_lastBlock:
 	pop r25
 	subi r21, 2
 	ldi r19, 64
-	sub r22, r19
-	sbc r23, r1
+	add r22, r19
+	adc r23, r1
 	rjmp sha1_lastBlock
 sha1_lastBlock_prolog:
 	/* allocate space on stack */