clean up

[avr-crypto-lib.git] / noekeon_cbc_enc.S

diff --git a/noekeon_cbc_enc.S b/noekeon_cbc_enc.S
deleted file mode 100644 (file)
index 0c0b89a..0000000
--- a/noekeon_cbc_enc.S
+++ /dev/null
@@ -1,99 +0,0 @@
-/* noekeon_cbc_enc.S */
-/*
-    This file is part of the AVR-Crypto-Lib.
-    Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-/*
- * \author  Daniel Otte
- * \email   daniel.otte@rub.de
- * \date    2008-08-06
- * \license GPLv3 or later
- *
- *
- *
- */
-
-.macro push_ p1:req p2:vararg
-       push \p1
-.ifnb \p2
-       push_ \p2
-.endif
-.endm
-
-.macro pop_ p1:req p2:vararg
-       pop \p1
-.ifnb \p2
-       pop_ \p2
-.endif
-.endm
-
-.extern noekeon_enc
-
-/*
- * void noekeon_cbc_enc(void* buffer, uint8_t block_cnt, const void* key)
- */
-
-/* param buffer    is passed in r24:r25
- * param block_cnt is passed in r22 (r23 is 0)
- * param key       is passed in r20:r21
- */
-.global noekeon_cbc_enc
- noekeon_cbc_enc:
-       push r22
-       movw r22, r20
-       push_ r22, r23, r24, r25
-       rcall noekeon_enc
-1:
-       pop_ r27, r26, r23, r22
-       pop r16 /* block  counter */
-       dec r16
-       breq 9f
-       push r16
-       /* xor blocks */
-       movw r30, r26
-       adiw r30, 16
-       ldi r16, 16
-2:
-       ld r17, X+
-       ld r18, Z
-       eor r18, r17
-       st Z+, r18
-       dec r16
-       brne 2b
-
-       /* call encryption function; X points to our new block */
-       push_ r22, r23, r26, r27
-       movw r24, r26
-       rcall noekeon_enc
-       rjmp 1b
-9:
-       ret
-
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