changing hmac API + bug fixes

[avr-crypto-lib.git] / sha256-asm.S

diff --git a/sha256-asm.S b/sha256-asm.S
index b099bddc42d5b0c1fae75f607a016f0396f56737..d9eb6b65a789a49a7dc730775685114f146ed53b 100644 (file)
--- a/sha256-asm.S
+++ b/sha256-asm.S
@@ -253,21 +253,24 @@ sha256_lastBlock_localSpace = (SHA256_BLOCK_BITS/8+1)
 
 
 sha256_lastBlock:
-       tst r20
-       brne sha256_lastBlock_prolog
        cpi r21, 0x02
-       brne sha256_lastBlock_prolog
+       brlo sha256_lastBlock_prolog
        push r25
        push r24
        push r23
        push r22
+       push r21
+       push r20
        rcall sha256_nextBlock
+       pop r20
+       pop r21
        pop r22
        pop r23
        pop r24
        pop r25
-       clr r21
-       clr r22
+       subi r21, 0x02
+       subi r23, -2
+       rjmp sha256_lastBlock   
 sha256_lastBlock_prolog:
        /* allocate space on stack */
        in r30, SPL