X-Git-Url: https://git.cryptolib.org/?p=avr-crypto-lib.git;a=blobdiff_plain;f=sha1%2Fsha1-asm.S;h=f479fcc27ca42db3a1e611dd830624ebf7d73f81;hp=4d185f928fc5a488e96ee66919ff36bffe21acdc;hb=5a83cf2b010b74721dec56d940dcf457fae24205;hpb=ca591a22fb1e3500567c3d0b730009b44ba33c2c

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 */