--- /dev/null
+/* twister384.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/>.
+*/
+/**
+ * \file twister384.S
+ * \email daniel.otte@rub.de
+ * \author Daniel Otte
+ * \date 2008-12-28
+ * \license GPLv3 or later
+ *
+ */
+
+#include "avr-asm-macros.S"
+/*********************************************************************/
+/* void twister384(void* dest, void* msg, uint32_t msg_length_b) */
+/*
+ * param dest: r24:r25
+ * param msg: r22:r23
+ * param msg_length_b: r18:r21
+ */
+
+CTX_SAVE0 = 10
+CTX_SAVE1 = 11
+DST_SAVE0 = 14
+DST_SAVE1 = 15
+MSG_LEN0 = 16
+MSG_LEN1 = 17
+MSG_LEN2 = 12
+MSG_LEN3 = 13
+MSG_SAVE0 = 28
+MSG_SAVE1 = 29
+
+.global twister384
+twister384:
+ push_range 10, 17
+ push r28
+ push r29
+ stack_alloc_large 64+2*8+64
+ adiw r30, 1
+ movw CTX_SAVE0, r30
+ movw DST_SAVE0, r24
+ movw MSG_SAVE0, r22
+ movw MSG_LEN0, r18
+ movw MSG_LEN2, r20
+ movw r24, CTX_SAVE0
+ ldi r22, lo8(384)
+ ldi r23, hi8(384)
+ rcall twister_large_init
+1:
+ tst MSG_LEN3
+ brne 2f
+ tst MSG_LEN2
+ brne 2f
+ cpi MSG_LEN1, 2
+ brmi 3f
+2:
+ movw r24, CTX_SAVE0
+ movw r22, MSG_SAVE0
+ rcall twister_large_nextBlock
+ adiw MSG_SAVE0, 63
+ adiw MSG_SAVE0, 1
+ subi MSG_LEN1, 2
+ sbc MSG_LEN2, r1
+ sbc MSG_LEN3, r1
+ rjmp 1b
+3:
+ movw r24, CTX_SAVE0
+ movw r22, MSG_SAVE0
+ movw r20, MSG_LEN0
+ rcall twister_large_lastBlock
+
+ movw r24, DST_SAVE0
+ movw r22, CTX_SAVE0
+ ldi r20, lo8(384)
+ ldi r21, hi8(384)
+ rcall twister_large_ctx2hash
+
+ stack_free_large2 64+2*8+64
+ pop r29
+ pop r28
+ pop_range 10, 17
+ ret