add AES128 library from avr crypto lib
This commit is contained in:
parent
5ec80702c0
commit
d052211783
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@ -23,7 +23,7 @@ OBJCOPY = avr-objcopy
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SIZE = avr-size
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# library directories, compiler, and linker flags
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LIBS = lib
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LIBS = lib aes
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CFLAGS = -g -Wall -Werror -Os -mcall-prologues -std=c99
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CFLAGS += -I. $(patsubst %,-I%,$(LIBS))
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CFLAGS += -mmcu=$(DEVICE) -DF_CPU=$(F_CPU)
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@ -34,9 +34,9 @@ LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
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LDFLAGS += -I. $(patsubst %,-I%,$(LIBS))
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LDFLAGS += -mmcu=$(DEVICE)
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# floating point printf version (requires -lm below)
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#LDFLAGS += -Wl,-u,vfprintf -lprintf_flt
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LDFLAGS += -Wl,-u,vfprintf -lprintf_flt
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# math library
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#LDFLAGS += -lm
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LDFLAGS += -lm
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# source files to compile
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CSRC = $(wildcard *.c) $(foreach LIB,$(LIBS),$(wildcard $(LIB)/*.c))
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@ -0,0 +1,44 @@
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/* aes128_enc.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file aes128_enc.h
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2008-12-30
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* \license GPLv3 or later
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* \ingroup AES
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*/
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#ifndef AES128_ENC_H_
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#define AES128_ENC_H_
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#include "aes_types.h"
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#include "aes_enc.h"
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/**
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* \brief encrypt with 128 bit key.
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*
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* This function encrypts one block with the AES algorithm under control of
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* a keyschedule produced from a 128 bit key.
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* \param buffer pointer to the block to encrypt
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* \param ctx pointer to the key schedule
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*/
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void aes128_enc(void *buffer, aes128_ctx_t *ctx);
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#endif /* AES128_ENC_H_ */
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@ -0,0 +1,233 @@
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/* aes_enc-asm.S */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file aes_enc-asm.S
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2009-01-10
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* \license GPLv3 or later
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*
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*/
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#include "avr-asm-macros.S"
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/*
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* param a: r24
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* param b: r22
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* param reducer: r0
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*/
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A = 28
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B = 29
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P = 0
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xREDUCER = 25
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.global aes256_enc
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aes256_enc:
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ldi r20, 14
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rjmp aes_encrypt_core
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.global aes192_enc
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aes192_enc:
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ldi r20, 12
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rjmp aes_encrypt_core
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.global aes128_enc
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aes128_enc:
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ldi r20, 10
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/*
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void aes_encrypt_core(aes_cipher_state_t *state, const aes_genctx_t *ks, uint8_t rounds)
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*/
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T0= 2
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T1= 3
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T2= 4
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T3= 5
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SBOX_SAVE0 = 6
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SBOX_SAVE1 = 7
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ST00 = 8
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ST01 = 9
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ST02 = 10
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ST03 = 11
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ST10 = 12
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ST11 = 13
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ST12 = 14
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ST13 = 15
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ST20 = 16
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ST21 = 17
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ST22 = 18
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ST23 = 19
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ST30 = 20
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ST31 = 21
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ST32 = 22
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ST33 = 23
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CTR = 24
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/*
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* param state: r24:r25
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* param ks: r22:r23
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* param rounds: r20
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*/
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.global aes_encrypt_core
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aes_encrypt_core:
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push_range 2, 17
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push r28
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push r29
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push r24
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push r25
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movw r26, r22
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movw r30, r24
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mov CTR, r20
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clt
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.irp row, 0, 1, 2, 3
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.irp col, 0, 1, 2, 3
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ld ST\row\col, Z+
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.endr
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.endr
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ldi xREDUCER, 0x1b /* load reducer */
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ldi r31, hi8(aes_sbox)
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/* key whitening */
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1:
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.irp row, 0, 1, 2, 3
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.irp col, 0, 1, 2, 3
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ld r0, X+
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eor ST\row\col, r0
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.endr
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.endr
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brtc 2f
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exit:
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pop r31
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pop r30
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.irp row, 0, 1, 2, 3
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.irp col, 0, 1, 2, 3
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st Z+, ST\row\col
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.endr
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.endr
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pop r29
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pop r28
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pop_range 2, 17
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ret
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2: dec CTR
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brne 3f
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set
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3:
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/* encryption loop */
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/* SBOX substitution and shifting */
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mov r30, ST00
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lpm ST00, Z
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mov r30, ST10
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lpm ST10, Z
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mov r30, ST20
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lpm ST20, Z
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mov r30, ST30
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lpm ST30, Z
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mov r30, ST01
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lpm T0, Z
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mov r30, ST11
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lpm ST01, Z
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mov r30, ST21
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lpm ST11, Z
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mov r30, ST31
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lpm ST21, Z
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mov ST31, T0
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mov r30, ST02
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lpm T0, Z
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mov r30, ST12
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lpm T1, Z
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mov r30, ST22
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lpm ST02, Z
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mov r30, ST32
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lpm ST12, Z
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mov ST22, T0
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mov ST32, T1
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mov r30, ST03
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lpm T0, Z
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mov r30, ST33
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lpm ST03, Z
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mov r30, ST23
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lpm ST33, Z
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mov r30, ST13
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lpm ST23, Z
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mov ST13, T0
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/* mixcols (or rows in our case) */
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brtc 2f
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rjmp 1b
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2:
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/* mixrows */
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.irp row, 0, 1, 2, 3
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mov r0, ST\row\()2
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eor r0, ST\row\()3
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mov T2, r0
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mov T0, ST\row\()0
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eor ST\row\()0, ST\row\()1
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eor r0, ST\row\()0
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lsl ST\row\()0
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brcc 3f
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eor ST\row\()0, xREDUCER
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3: eor ST\row\()0, r0
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eor ST\row\()0, T0
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mov T1, ST\row\()1
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eor T1, ST\row\()2
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lsl T1
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brcc 3f
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eor T1, xREDUCER
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3: eor T1, r0
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eor ST\row\()1, T1
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lsl T2
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brcc 3f
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eor T2, xREDUCER
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3: eor T2, r0
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eor ST\row\()2, T2
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eor T0, ST\row\()3
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lsl T0
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brcc 3f
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eor T0, xREDUCER
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3: eor T0, r0
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eor ST\row\()3, T0
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.endr
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/* mix colums (rows) done */
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/* add key*/
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rjmp 1b
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@ -0,0 +1,35 @@
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/* aes_enc.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file aes_enc.h
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2008-12-30
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* \license GPLv3 or later
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*
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*/
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#ifndef AES_ENC_H_
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#define AES_ENC_H_
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#include "aes_types.h"
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#include <stdint.h>
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void aes_encrypt_core(aes_cipher_state_t *state, const aes_genctx_t *ks,
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uint8_t rounds);
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#endif
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@ -0,0 +1,45 @@
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/* aes_sbox-asm.S */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file aes_dec-asm.S
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2009-01-10
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* \license GPLv3 or later
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*
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*/
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.balign 256
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.global aes_invsbox
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aes_invsbox:
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.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
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.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
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.byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
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.byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
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.byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
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.byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
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.byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
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.byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
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.byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
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.byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
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.byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
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.byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
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.byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
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.byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
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.byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
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.byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
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@ -0,0 +1,33 @@
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/* aes_invsbox.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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|
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This program is free software: you can redistribute it and/or modify
|
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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.
|
||||
|
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You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file aes_invsbox.h
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2008-12-30
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* \license GPLv3 or later
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*
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*/
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#ifndef AES_INVSBOX_H_
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#define AES_INVSBOX_H_
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#include <stdint.h>
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extern uint8_t aes_invsbox[];
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#endif
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@ -0,0 +1,225 @@
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/* aes_keyschedule-asm */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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|
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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.
|
||||
|
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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/>.
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*/
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/**
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* \file aes_keyschedule-asm.S
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2009-01-09
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* \license GPLv3 or later
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*
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*/
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#include "avr-asm-macros.S"
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.global aes256_init
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aes256_init:
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movw r20, r22
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ldi r23, hi8(256)
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ldi r22, lo8(256)
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rjmp aes_init
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.global aes192_init
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aes192_init:
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movw r20, r22
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ldi r23, hi8(192)
|
||||
ldi r22, lo8(192)
|
||||
rjmp aes_init
|
||||
|
||||
.global aes128_init
|
||||
aes128_init:
|
||||
movw r20, r22
|
||||
clr r23
|
||||
ldi r22, 128
|
||||
|
||||
/*
|
||||
void aes_init(const void *key, uint16_t keysize_b, aes_genctx_t *ctx){
|
||||
uint8_t hi,i,nk, next_nk;
|
||||
uint8_t rc=1;
|
||||
uint8_t tmp[4];
|
||||
nk=keysize_b>>5; / * 4, 6, 8 * /
|
||||
hi=4*(nk+6+1);
|
||||
memcpy(ctx, key, keysize_b/8);
|
||||
next_nk = nk;
|
||||
for(i=nk;i<hi;++i){
|
||||
*((uint32_t*)tmp) = ((uint32_t*)(ctx->key[0].ks))[i-1];
|
||||
if(i!=next_nk){
|
||||
if(nk==8 && i%8==4){
|
||||
tmp[0] = pgm_read_byte(aes_sbox+tmp[0]);
|
||||
tmp[1] = pgm_read_byte(aes_sbox+tmp[1]);
|
||||
tmp[2] = pgm_read_byte(aes_sbox+tmp[2]);
|
||||
tmp[3] = pgm_read_byte(aes_sbox+tmp[3]);
|
||||
}
|
||||
} else {
|
||||
next_nk += nk;
|
||||
aes_rotword(tmp);
|
||||
tmp[0] = pgm_read_byte(aes_sbox+tmp[0]);
|
||||
tmp[1] = pgm_read_byte(aes_sbox+tmp[1]);
|
||||
tmp[2] = pgm_read_byte(aes_sbox+tmp[2]);
|
||||
tmp[3] = pgm_read_byte(aes_sbox+tmp[3]);
|
||||
tmp[0] ^= rc;
|
||||
rc<<=1;
|
||||
}
|
||||
((uint32_t*)(ctx->key[0].ks))[i] = ((uint32_t*)(ctx->key[0].ks))[i-nk]
|
||||
^ *((uint32_t*)tmp);
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
SBOX_SAVE0 = 14
|
||||
SBOX_SAVE1 = 15
|
||||
XRC = 17
|
||||
NK = 22
|
||||
C1 = 18
|
||||
NEXT_NK = 19
|
||||
HI = 23
|
||||
T0 = 20
|
||||
T1 = 21
|
||||
T2 = 24
|
||||
T3 = 25
|
||||
/*
|
||||
* param key: r24:r25
|
||||
* param keysize_b: r22:r23
|
||||
* param ctx: r20:r21
|
||||
*/
|
||||
.global aes_init
|
||||
aes_init:
|
||||
push_range 14, 17
|
||||
push r28
|
||||
push r29
|
||||
movw r30, r20
|
||||
movw r28, r20
|
||||
movw r26, r24
|
||||
lsr r23
|
||||
ror r22
|
||||
lsr r22
|
||||
lsr r22 /* r22 contains keysize_b/8 */
|
||||
mov C1, r22
|
||||
|
||||
1: /* copy key to ctx */
|
||||
ld r0, X+
|
||||
st Z+, r0
|
||||
dec C1
|
||||
brne 1b
|
||||
|
||||
lsr NK
|
||||
lsr NK
|
||||
bst NK,3 /* set T if NK==8 */
|
||||
mov NEXT_NK, NK
|
||||
mov HI, NK
|
||||
subi HI, -7
|
||||
lsl HI
|
||||
lsl HI
|
||||
movw r26, r30
|
||||
sbiw r26, 4
|
||||
mov C1, NK
|
||||
ldi r30, lo8(aes_sbox)
|
||||
ldi r31, hi8(aes_sbox)
|
||||
movw SBOX_SAVE0, r30
|
||||
ldi XRC, 1
|
||||
1:
|
||||
ld T0, X+
|
||||
ld T1, X+
|
||||
ld T2, X+
|
||||
ld T3, X+
|
||||
cp NEXT_NK, C1
|
||||
breq 2f
|
||||
brtc 5f
|
||||
mov r16, C1
|
||||
andi r16, 0x07
|
||||
cpi r16, 0x04
|
||||
brne 5f
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T0
|
||||
adc r31, r1
|
||||
lpm T0, Z
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T1
|
||||
adc r31, r1
|
||||
lpm T1, Z
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T2
|
||||
adc r31, r1
|
||||
lpm T2, Z
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T3
|
||||
adc r31, r1
|
||||
lpm T3, Z
|
||||
rjmp 5f
|
||||
2:
|
||||
add NEXT_NK, NK
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T0
|
||||
adc r31, r1
|
||||
lpm r16, Z
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T1
|
||||
adc r31, r1
|
||||
lpm T0, Z
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T2
|
||||
adc r31, r1
|
||||
lpm T1, Z
|
||||
movw r30, SBOX_SAVE0
|
||||
add r30, T3
|
||||
adc r31, r1
|
||||
lpm T2, Z
|
||||
mov T3, r16
|
||||
eor T0, XRC
|
||||
lsl XRC
|
||||
brcc 3f
|
||||
ldi XRC, 0x1b
|
||||
3:
|
||||
5:
|
||||
movw r30, r26
|
||||
|
||||
ld r0, Y+
|
||||
eor r0, T0
|
||||
st Z+, r0
|
||||
ld r0, Y+
|
||||
eor r0 ,T1
|
||||
st Z+, r0
|
||||
ld r0, Y+
|
||||
eor r0, T2
|
||||
st Z+, r0
|
||||
ld r0, Y+
|
||||
eor r0, T3
|
||||
st Z+, r0
|
||||
|
||||
/*
|
||||
st Z+, T0
|
||||
st Z+, T1
|
||||
st Z+, T2
|
||||
st Z+, T3
|
||||
*/
|
||||
|
||||
inc C1
|
||||
cp C1, HI
|
||||
breq 6f
|
||||
rjmp 1b
|
||||
6:
|
||||
|
||||
clt
|
||||
pop r29
|
||||
pop r28
|
||||
pop_range 14, 17
|
||||
ret
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
/* aes_keyschedule.h */
|
||||
/*
|
||||
This file is part of the AVR-Crypto-Lib.
|
||||
Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
|
||||
|
||||
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 aes_keyschedule.h
|
||||
* \email bg@nerilex.org
|
||||
* \author Daniel Otte
|
||||
* \date 2008-12-30
|
||||
* \license GPLv3 or later
|
||||
* \ingroup AES
|
||||
*/
|
||||
|
||||
#ifndef AES_KEYSCHEDULE_H_
|
||||
#define AES_KEYSCHEDULE_H_
|
||||
|
||||
#include "aes_types.h"
|
||||
/**
|
||||
* \brief initialize the keyschedule
|
||||
*
|
||||
* This function computes the keyschedule from a given key with a given length
|
||||
* and stores it in the context variable
|
||||
* \param key pointer to the key material
|
||||
* \param keysize_b length of the key in bits (valid are 128, 192 and 256)
|
||||
* \param ctx pointer to the context where the keyschedule should be stored
|
||||
*/
|
||||
void aes_init(const void *key, uint16_t keysize_b, aes_genctx_t *ctx);
|
||||
|
||||
/**
|
||||
* \brief initialize the keyschedule for 128 bit key
|
||||
*
|
||||
* This function computes the keyschedule from a given 128 bit key
|
||||
* and stores it in the context variable
|
||||
* \param key pointer to the key material
|
||||
* \param ctx pointer to the context where the keyschedule should be stored
|
||||
*/
|
||||
void aes128_init(const void *key, aes128_ctx_t *ctx);
|
||||
|
||||
/**
|
||||
* \brief initialize the keyschedule for 192 bit key
|
||||
*
|
||||
* This function computes the keyschedule from a given 192 bit key
|
||||
* and stores it in the context variable
|
||||
* \param key pointer to the key material
|
||||
* \param ctx pointer to the context where the keyschedule should be stored
|
||||
*/
|
||||
void aes192_init(const void *key, aes192_ctx_t *ctx);
|
||||
|
||||
/**
|
||||
* \brief initialize the keyschedule for 256 bit key
|
||||
*
|
||||
* This function computes the keyschedule from a given 256 bit key
|
||||
* and stores it in the context variable
|
||||
* \param key pointer to the key material
|
||||
* \param ctx pointer to the context where the keyschedule should be stored
|
||||
*/
|
||||
void aes256_init(const void *key, aes256_ctx_t *ctx);
|
||||
|
||||
#endif /* AES_KEYSCHEDULE_H_ */
|
||||
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
/* aes_sbox-asm.S */
|
||||
/*
|
||||
This file is part of the AVR-Crypto-Lib.
|
||||
Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
|
||||
|
||||
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 aes_dec-asm.S
|
||||
* \email bg@nerilex.org
|
||||
* \author Daniel Otte
|
||||
* \date 2009-01-10
|
||||
* \license GPLv3 or later
|
||||
*
|
||||
*/
|
||||
|
||||
.balign 256
|
||||
.global aes_sbox
|
||||
aes_sbox:
|
||||
.byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
|
||||
.byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
|
||||
.byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
|
||||
.byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
|
||||
.byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
|
||||
.byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
|
||||
.byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
|
||||
.byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
|
||||
.byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
|
||||
.byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
|
||||
.byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
|
||||
.byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
|
||||
.byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
|
||||
.byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
|
||||
.byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
|
||||
.byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
|
||||
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
/* aes_sbox.h */
|
||||
/*
|
||||
This file is part of the AVR-Crypto-Lib.
|
||||
Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
|
||||
|
||||
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 aes_sbox.h
|
||||
* \email bg@nerilex.org
|
||||
* \author Daniel Otte
|
||||
* \date 2008-12-30
|
||||
* \license GPLv3 or later
|
||||
*
|
||||
*/
|
||||
#ifndef AES_SBOX_H_
|
||||
#define AES_SBOX_H_
|
||||
#include <stdint.h>
|
||||
|
||||
extern uint8_t aes_sbox[];
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
/* aes.h */
|
||||
/*
|
||||
This file is part of the AVR-Crypto-Lib.
|
||||
Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
|
||||
|
||||
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 aes_types.h
|
||||
* \email bg@nerilex.org
|
||||
* \author Daniel Otte
|
||||
* \date 2008-12-30
|
||||
* \license GPLv3 or later
|
||||
*
|
||||
*/
|
||||
#ifndef AES_TYPES_H_
|
||||
#define AES_TYPES_H_
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
typedef struct{
|
||||
uint8_t ks[16];
|
||||
} aes_roundkey_t;
|
||||
|
||||
typedef struct{
|
||||
aes_roundkey_t key[10+1];
|
||||
} aes128_ctx_t;
|
||||
|
||||
typedef struct{
|
||||
aes_roundkey_t key[12+1];
|
||||
} aes192_ctx_t;
|
||||
|
||||
typedef struct{
|
||||
aes_roundkey_t key[14+1];
|
||||
} aes256_ctx_t;
|
||||
|
||||
typedef struct{
|
||||
aes_roundkey_t key[1]; /* just to avoid the warning */
|
||||
} aes_genctx_t;
|
||||
|
||||
typedef struct{
|
||||
uint8_t s[16];
|
||||
} aes_cipher_state_t;
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,151 @@
|
|||
/* avr-asm-macros.S */
|
||||
/*
|
||||
This file is part of the AVR-Crypto-Lib.
|
||||
Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
|
||||
|
||||
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: avr-asm-macros.S
|
||||
* Author: Daniel Otte
|
||||
* Date: 2008-08-13
|
||||
* License: GPLv3 or later
|
||||
* Description: some macros which are quite usefull
|
||||
*
|
||||
*/
|
||||
|
||||
//#ifndef AVR_ASM_MACROS__S__
|
||||
//#define AVR_ASM_MACROS__S__
|
||||
.nolist
|
||||
#include <avr/io.h>
|
||||
.list
|
||||
/*******************************************************************************
|
||||
* MACRO SECTION *
|
||||
*******************************************************************************/
|
||||
|
||||
.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
|
||||
|
||||
.macro push_range from:req, to:req
|
||||
push \from
|
||||
.if \to-\from
|
||||
push_range "(\from+1)",\to
|
||||
.endif
|
||||
.endm
|
||||
|
||||
.macro pop_range from:req, to:req
|
||||
pop \to
|
||||
.if \to-\from
|
||||
pop_range \from,"(\to-1)"
|
||||
.endif
|
||||
.endm
|
||||
|
||||
.macro stack_alloc size:req, reg1=r30, reg2=r31
|
||||
in r0, _SFR_IO_ADDR(SREG)
|
||||
in \reg1, _SFR_IO_ADDR(SPL)
|
||||
in \reg2, _SFR_IO_ADDR(SPH)
|
||||
sbiw \reg1, \size
|
||||
cli
|
||||
out _SFR_IO_ADDR(SPH), \reg2
|
||||
out _SFR_IO_ADDR(SREG), r0
|
||||
out _SFR_IO_ADDR(SPL), \reg1
|
||||
.endm
|
||||
|
||||
.macro stack_free size:req, reg1=r30, reg2=r31
|
||||
in r0, _SFR_IO_ADDR(SREG)
|
||||
in \reg1, _SFR_IO_ADDR(SPL)
|
||||
in \reg2, _SFR_IO_ADDR(SPH)
|
||||
adiw \reg1, \size
|
||||
cli
|
||||
out _SFR_IO_ADDR(SPH), \reg2
|
||||
out _SFR_IO_ADDR(SREG), r0
|
||||
out _SFR_IO_ADDR(SPL), \reg1
|
||||
.endm
|
||||
|
||||
|
||||
.macro stack_alloc_large size:req, reg1=r30, reg2=r31
|
||||
in r0, _SFR_IO_ADDR(SREG)
|
||||
in \reg1, _SFR_IO_ADDR(SPL)
|
||||
in \reg2, _SFR_IO_ADDR(SPH)
|
||||
subi \reg1, lo8(\size)
|
||||
sbci \reg2, hi8(\size)
|
||||
cli
|
||||
out _SFR_IO_ADDR(SPH), \reg2
|
||||
out _SFR_IO_ADDR(SREG), r0
|
||||
out _SFR_IO_ADDR(SPL), \reg1
|
||||
.endm
|
||||
|
||||
.macro stack_free_large size:req, reg1=r30, reg2=r31
|
||||
in r0, _SFR_IO_ADDR(SREG)
|
||||
in \reg1, _SFR_IO_ADDR(SPL)
|
||||
in \reg2, _SFR_IO_ADDR(SPH)
|
||||
adiw \reg1, 63
|
||||
adiw \reg1, (\size-63)
|
||||
cli
|
||||
out _SFR_IO_ADDR(SPH), \reg2
|
||||
out _SFR_IO_ADDR(SREG), r0
|
||||
out _SFR_IO_ADDR(SPL), \reg1
|
||||
.endm
|
||||
|
||||
.macro stack_free_large2 size:req, reg1=r30, reg2=r31
|
||||
in r0, _SFR_IO_ADDR(SREG)
|
||||
in \reg1, _SFR_IO_ADDR(SPL)
|
||||
in \reg2, _SFR_IO_ADDR(SPH)
|
||||
adiw \reg1, 63
|
||||
adiw \reg1, 63
|
||||
adiw \reg1, (\size-63*2)
|
||||
cli
|
||||
out _SFR_IO_ADDR(SPH), \reg2
|
||||
out _SFR_IO_ADDR(SREG), r0
|
||||
out _SFR_IO_ADDR(SPL), \reg1
|
||||
.endm
|
||||
|
||||
.macro stack_free_large3 size:req, reg1=r30, reg2=r31
|
||||
in r0, _SFR_IO_ADDR(SREG)
|
||||
in \reg1, _SFR_IO_ADDR(SPL)
|
||||
in \reg2, _SFR_IO_ADDR(SPH)
|
||||
push r16
|
||||
push r17
|
||||
ldi r16, lo8(\size)
|
||||
ldi r17, hi8(\size)
|
||||
add \reg1, r16
|
||||
adc \reg2, r17
|
||||
pop r17
|
||||
pop r16
|
||||
cli
|
||||
out _SFR_IO_ADDR(SPH), \reg2
|
||||
out _SFR_IO_ADDR(SREG), r0
|
||||
out _SFR_IO_ADDR(SPL), \reg1
|
||||
.endm
|
||||
|
||||
|
||||
/*******************************************************************************
|
||||
* END of MACRO SECTION *
|
||||
*******************************************************************************/
|
||||
|
||||
|
||||
//#endif /* AVR_ASM_MACROS__S__ */
|
||||
|
||||
Loading…
Reference in New Issue