X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=sha1-asm.S;h=f571685984c5046fd0f4280adbc9a5fe513720a8;hb=53f8a8d7ca5c03120224128e1f8552c99f6af11e;hp=a7a33f7b512e6397eedc96772968f9c623b041d5;hpb=83d0614d8b17eac97f891f7de2bb3ef265751dea;p=avr-crypto-lib.git

diff --git a/sha1-asm.S b/sha1-asm.S
index a7a33f7..f571685 100644
--- a/sha1-asm.S
+++ b/sha1-asm.S
@@ -271,21 +271,24 @@ sha1_lastBlock_localSpace = (SHA1_BLOCK_BITS/8+1)
 
 
 sha1_lastBlock:
-	tst r20
-	brne sha1_lastBlock_prolog
 	cpi r21, 0x02
-	brne sha1_lastBlock_prolog
+	brlo sha1_lastBlock_prolog
 	push r25
 	push r24
 	push r23
 	push r22
+	push r21
+	push r20
 	rcall sha1_nextBlock
+	pop r20
+	pop r21
 	pop r22
 	pop r23
 	pop r24
 	pop r25
-	clr r21
-	clr r22
+	subi r21, 2
+	subi r23, -2
+	rjmp sha1_lastBlock
 sha1_lastBlock_prolog:
 	/* allocate space on stack */
 	in r30, SPL