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Commit 40fb2d47 by Enrico Pozzobon
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Merge branch 'master' into wip

parents f06d7886 87489b2a
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Showing with 1422 additions and 598 deletions
DSlogic.sh 0 → 100755
#!/bin/sh
##
## This file is part of the sigrok-util project.
##
## Copyright (C) 2016 Uwe Hermann <uwe@hermann-uwe.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/>.
##
umask 022
WGET="wget -c -q"
if [ -z $PREFIX ]; then
PREFIX="/usr/local"
fi
FWDIR="$PREFIX/share/sigrok-firmware"
# Use the upstream 0.97 firmware/bitstream set. This is the only supported
# set of files in libsigrok >= 20170621.
FWURL="https://github.com/DreamSourceLab/DSView/raw/886b847c21c606df3138ce7ad8f8e8c363ee758b/DSView/res"
echo "Installing into: $FWDIR"
mkdir -p $FWDIR
$WGET $FWURL/DSLogic50.bin -O $FWDIR/dreamsourcelab-dslogic-fpga-5v.fw
$WGET $FWURL/DSLogic33.bin -O $FWDIR/dreamsourcelab-dslogic-fpga-3v3.fw
$WGET $FWURL/DSLogic.fw -O $FWDIR/dreamsourcelab-dslogic-fx2.fw
$WGET $FWURL/DSCope.bin -O $FWDIR/dreamsourcelab-dscope-fpga.fw
$WGET $FWURL/DSCope.fw -O $FWDIR/dreamsourcelab-dscope-fx2.fw
$WGET $FWURL/DSLogicPro.bin -O $FWDIR/dreamsourcelab-dslogic-pro-fpga.fw
$WGET $FWURL/DSLogicPro.fw -O $FWDIR/dreamsourcelab-dslogic-pro-fx2.fw
$WGET $FWURL/DSLogicPlus.bin -O $FWDIR/dreamsourcelab-dslogic-plus-fpga.fw
$WGET $FWURL/DSLogicPlus.fw -O $FWDIR/dreamsourcelab-dslogic-plus-fx2.fw
$WGET $FWURL/DSLogicBasic.bin -O $FWDIR/dreamsourcelab-dslogic-basic-fpga.fw
$WGET $FWURL/DSLogicBasic.fw -O $FWDIR/dreamsourcelab-dslogic-basic-fx2.fw
README.md 0 → 100644
#
## Requirements
```
sudo apt install python3-pip openocd
sudo pip3 install pyserial platformio saleae
sudo pip3 uninstall enum34
```
all-lwc-submission-files/nocrypt/Implementations/crypto_aead/nocrypt/LWC_AEAD_KAT_0_0.txt deleted 100644 → 0
This source diff could not be displayed because it is too large. You can view the blob instead.
all-lwc-submission-files/nocrypt/Implementations/crypto_aead/nocrypt/ref/Makefile deleted 100644 → 0
CC=gcc
#NISTGCCFLAGS=-std=c99 -Wall -Wextra -Wshadow -fsanitize=address,undefined -O2
NISTGCCFLAGS=-std=c99 -Wall -Wextra -Wshadow -Os
LFLAGS=-lm
all: nocrypt
nocrypt: nocrypt.c genkat_aead.c
$(CC) $(NISTGCCFLAGS) -o $@ $^ $(LFLAGS)
.PHONY: clean
clean:
rm -f *.o
rm -f nocrypt
all-lwc-submission-files/nocrypt/Implementations/crypto_aead/nocrypt/ref/api.h deleted 100644 → 0
#define CRYPTO_KEYBYTES 0
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 0
#define CRYPTO_ABYTES 0
#define CRYPTO_NOOVERLAP 1
all-lwc-submission-files/nocrypt/Implementations/crypto_aead/nocrypt/ref/crypto_aead.h deleted 100644 → 0
typedef unsigned long long u64;
int crypto_encrypt(
unsigned char *c,unsigned long long *clen,
const unsigned char *m,unsigned long long mlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k
);
int crypto_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *npub,
const unsigned char *k
);
int crypto_aead_encrypt(
unsigned char *c, unsigned long long *clen,
const unsigned char *m, unsigned long long mlen,
const unsigned char *ad, unsigned long long adlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k
);
int crypto_aead_decrypt(
unsigned char *m, unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c, unsigned long long clen,
const unsigned char *ad, unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k
);
all-lwc-submission-files/nocrypt/Implementations/crypto_aead/nocrypt/ref/genkat_aead.c deleted 100644 → 0
//
// NIST-developed software is provided by NIST as a public service.
// You may use, copy and distribute copies of the software in any medium,
// provided that you keep intact this entire notice. You may improve,
// modify and create derivative works of the software or any portion of
// the software, and you may copy and distribute such modifications or
// works. Modified works should carry a notice stating that you changed
// the software and should note the date and nature of any such change.
// Please explicitly acknowledge the National Institute of Standards and
// Technology as the source of the software.
//
// NIST-developed software is expressly provided "AS IS." NIST MAKES NO
// WARRANTY OF ANY KIND, EXPRESS, IMPLIED, IN FACT OR ARISING BY OPERATION
// OF LAW, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT AND DATA ACCURACY. NIST
// NEITHER REPRESENTS NOR WARRANTS THAT THE OPERATION OF THE SOFTWARE WILL BE
// UNINTERRUPTED OR ERROR-FREE, OR THAT ANY DEFECTS WILL BE CORRECTED. NIST
// DOES NOT WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF THE SOFTWARE
// OR THE RESULTS THEREOF, INCLUDING BUT NOT LIMITED TO THE CORRECTNESS, ACCURACY,
// RELIABILITY, OR USEFULNESS OF THE SOFTWARE.
//
// You are solely responsible for determining the appropriateness of using and
// distributing the software and you assume all risks associated with its use,
// including but not limited to the risks and costs of program errors, compliance
// with applicable laws, damage to or loss of data, programs or equipment, and
// the unavailability or interruption of operation. This software is not intended
// to be used in any situation where a failure could cause risk of injury or
// damage to property. The software developed by NIST employees is not subject to
// copyright protection within the United States.
//
// disable deprecation for sprintf and fopen
#ifdef _MSC_VER
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <string.h>
#include "crypto_aead.h"
#include "api.h"
#define KAT_SUCCESS 0
#define KAT_FILE_OPEN_ERROR -1
#define KAT_DATA_ERROR -3
#define KAT_CRYPTO_FAILURE -4
#define MAX_FILE_NAME 256
#define MAX_MESSAGE_LENGTH 32
#define MAX_ASSOCIATED_DATA_LENGTH 32
void init_buffer(unsigned char *buffer, unsigned long long numbytes);
void fprint_bstr(FILE *fp, const char *label, const unsigned char *data, unsigned long long length);
int generate_test_vectors();
int main()
{
int ret = generate_test_vectors();
if (ret != KAT_SUCCESS) {
fprintf(stderr, "test vector generation failed with code %d\n", ret);
}
return ret;
}
int generate_test_vectors()
{
FILE *fp;
char fileName[MAX_FILE_NAME];
unsigned char key[CRYPTO_KEYBYTES];
unsigned char nonce[CRYPTO_NPUBBYTES];
unsigned char msg[MAX_MESSAGE_LENGTH];
unsigned char msg2[MAX_MESSAGE_LENGTH];
unsigned char ad[MAX_ASSOCIATED_DATA_LENGTH];
unsigned char ct[MAX_MESSAGE_LENGTH + CRYPTO_ABYTES];
unsigned long long clen, mlen2;
int count = 1;
int func_ret, ret_val = KAT_SUCCESS;
init_buffer(key, sizeof(key));
init_buffer(nonce, sizeof(nonce));
init_buffer(msg, sizeof(msg));
init_buffer(ad, sizeof(ad));
sprintf(fileName, "LWC_AEAD_KAT_%d_%d.txt", (CRYPTO_KEYBYTES * 8), (CRYPTO_NPUBBYTES * 8));
if ((fp = fopen(fileName, "w")) == NULL) {
fprintf(stderr, "Couldn't open <%s> for write\n", fileName);
return KAT_FILE_OPEN_ERROR;
}
for (unsigned long long mlen = 0; (mlen <= MAX_MESSAGE_LENGTH) && (ret_val == KAT_SUCCESS); mlen++) {
//for (unsigned long long mlen = 0; (mlen <= 32) && (ret_val == KAT_SUCCESS); mlen++) {
for (unsigned long long adlen = 0; adlen <= MAX_ASSOCIATED_DATA_LENGTH; adlen++) {
//for (unsigned long long adlen = 0; adlen <= 32; adlen++) {
printf("%0d\n", (int)clen);
fprintf(fp, "Count = %d\n", count++);
printf("Count = %d\n", count - 1);
fprint_bstr(fp, "Key = ", key, CRYPTO_KEYBYTES);
fprint_bstr(fp, "Nonce = ", nonce, CRYPTO_NPUBBYTES);
fprint_bstr(fp, "PT = ", msg, mlen);
fprint_bstr(fp, "AD = ", ad, adlen);
if ((func_ret = crypto_aead_encrypt(ct, &clen, msg, mlen, ad, adlen, NULL, nonce, key)) != 0) {
fprintf(fp, "crypto_aead_encrypt returned <%d>\n", func_ret);
ret_val = KAT_CRYPTO_FAILURE;
break;
}
fprint_bstr(fp, "CT = ", ct, clen);
fprintf(fp, "\n");
if ((func_ret = crypto_aead_decrypt(msg2, &mlen2, NULL, ct, clen, ad, adlen, nonce, key)) != 0) {
fprintf(fp, "crypto_aead_decrypt returned <%d>\n", func_ret);
ret_val = KAT_CRYPTO_FAILURE;
break;
}
if (mlen != mlen2) {
fprintf(fp, "crypto_aead_decrypt returned bad 'mlen': Got <%llu>, expected <%llu>\n", mlen2, mlen);
ret_val = KAT_CRYPTO_FAILURE;
break;
}
if (memcmp(msg, msg2, mlen)) {
fprintf(fp, "crypto_aead_decrypt did not recover the plaintext\n");
ret_val = KAT_CRYPTO_FAILURE;
break;
}
}
}
fclose(fp);
return ret_val;
}
void fprint_bstr(FILE *fp, const char *label, const unsigned char *data, unsigned long long length)
{
fprintf(fp, "%s", label);
for (unsigned long long i = 0; i < length; i++)
fprintf(fp, "%02X", data[i]);
fprintf(fp, "\n");
}
void init_buffer(unsigned char *buffer, unsigned long long numbytes)
{
for (unsigned long long i = 0; i < numbytes; i++)
buffer[i] = (unsigned char)i;
}
all-lwc-submission-files/nocrypt/Implementations/crypto_aead/nocrypt/ref/nocrypt.c deleted 100644 → 0
#include "api.h"
#include "crypto_aead.h"
#include <string.h>
int crypto_aead_encrypt(
unsigned char *c,unsigned long long *clen,
const unsigned char *m,unsigned long long mlen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k
)
{
*clen = mlen + CRYPTO_ABYTES;
memcpy(c, m, mlen);
memset(c + mlen, 0, CRYPTO_ABYTES);
return 0;
}
int crypto_aead_decrypt(
unsigned char *m, unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c, unsigned long long clen,
const unsigned char *ad, unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k
)
{
unsigned long long len = *mlen = clen - CRYPTO_ABYTES;
memcpy(m, c, len);
return 0;
}
compile_all.py
......@@ -8,6 +8,9 @@ import subprocess
def build(algo_dir, template_dir, build_dir):
if os.path.isdir(build_dir):
return None
# create a new directory for the build
print("Building in %s" % build_dir)
......@@ -182,7 +185,8 @@ def main(argv):
print()
print(d)
try:
b = build(d, template_dir, os.path.join(build_dir, name))
build_dir = os.path.join("build", name)
b = build(d, template_dir, build_dir)
if b is None:
continue
test_script.write(
......
get_submissions.sh
......@@ -2,7 +2,11 @@
mkdir -p all-lwc-submission-files
cd all-lwc-submission-files
wget https://csrc.nist.gov/CSRC/media/Projects/Lightweight-Cryptography/documents/round-1/submissions/all-lwc-submission-files.zip
unzip all-lwc-submission-files.zip
wget https://csrc.nist.gov/CSRC/media/Projects/lightweight-cryptography/documents/round-2/submissions-rnd2/all-round-2-lwc-candidates.zip
unzip all-round-2-lwc-candidates.zip
rm all-round-2-lwc-candidates.zip
for i in ./*.zip; do unzip $i; done
rm *.zip
cd ..
templates/bluepill/configure
#!/bin/bash
mv -n *.c *.C *.s *.S src/
mv -n *.inc *.h *.H include/
sed -i src/encrypt.c -e "s/\(\s\)init(/\1_init(/g"
mv -n *.c *.s *.S src/
mv -n *.dat *.inc *.h include/
sed -i src/encrypt.c -e "s/\(\s\)init(/\1encrypt_init(/g"
exit 0
templates/bluepill/openocd.cfg 0 → 100644
interface ftdi
transport select jtag
ftdi_device_desc "FT2232H MiniModule"
ftdi_vid_pid 0x0403 0x6010
# The other channel is used for UART
ftdi_channel 1
ftdi_layout_init 0x0018 0x05fb
ftdi_serial FT2XCRZ1
# BDBUS4 is connected to JTAG TRST
ftdi_layout_signal nTRST -data 0x0010
# BDBUS5 is connected to System Reset
ftdi_layout_signal nSRST -data 0x0020
set WORKAREASIZE 0x2000
source [find target/stm32f1x.cfg]
#tpiu config internal swodump.stm32f103-generic.log uart off 72000000
#reset_config srst_only srst_push_pull srst_nogate connect_assert_srst
reset_config none srst_push_pull srst_nogate
templates/bluepill/platformio.ini
......@@ -3,7 +3,8 @@ platform = ststm32
framework = arduino
board = bluepill_f103c8_128k
upload_protocol = jlink
build_flags = -O2
build_flags = -O2 -UDEBUG -DNDEBUG
-D NUM_ANALOG_INPUTS=10
-D NUM_ANALOG_FIRST=20
build_unflags = -Os
build_type = release
templates/bluepill/src/main.ino
......@@ -3,20 +3,22 @@
#include "uartp.h"
#define MAX_BYTES 100
#define CMDBUF_LEN 72
static uint8_t cmdbuf[CMDBUF_LEN];
//#define DEBUG
#define CRYPTO_BUSY A7
#define SerialOut Serial1
uint8_t npub[CRYPTO_NPUBBYTES];
uint8_t nsec[CRYPTO_NSECBYTES];
uint8_t k[CRYPTO_KEYBYTES];
uint8_t ad[MAX_BYTES];
unsigned long long int adlen;
uint8_t m[MAX_BYTES];
unsigned long long int mlen;
uint8_t c[MAX_BYTES];
unsigned long long int clen;
int res;
unsigned long long int adlen = 0;
unsigned long long int mlen = 0;
unsigned long long int clen = 0;
int res = 0;
void setup();
void loop();
......@@ -26,13 +28,13 @@ extern "C" {
#endif
void uart_wbyte(uint8_t x) {
Serial1.write((uint8_t) (x));
SerialOut.write((uint8_t) (x));
}
uint8_t uart_rbyte() {
int r;
do {
r = Serial1.read();
r = SerialOut.read();
} while (r == -1);
return (uint8_t) (0xff & r);
}
......@@ -41,56 +43,37 @@ uint8_t uart_rbyte() {
}
#endif
int dbg_printf(const char *format, ...) {
int r = 0;
#ifdef DEBUG
#define DEBUG_BUF_LEN 80
char printbuf[DEBUG_BUF_LEN+2];
va_list vargs;
va_start(vargs, format);
r = vsnprintf(printbuf+1, DEBUG_BUF_LEN, format, vargs);
va_end(vargs);
if (r < 0) {
memcpy(printbuf+1, "DEBUG ERROR\r\n", 13);
r = 13;
}
r = r > DEBUG_BUF_LEN ? DEBUG_BUF_LEN : r;
printbuf[0] = 0xde; // Debug messages should start with "\xde"
uartp_send(printbuf, r+1);
#endif
return r;
}
void my_assert(bool b) {
if (b)
return;
dbg_printf("Assertion failed\r\n");
for(;;)
yield();
}
void setup() {
Serial1.begin(115200);
SerialOut.begin(115200);
pinMode(CRYPTO_BUSY, OUTPUT);
digitalWrite(CRYPTO_BUSY, HIGH);
delay(100);
Serial1.print("Hello, World!");
memset(npub, 0, CRYPTO_NPUBBYTES);
memset(nsec, 0, CRYPTO_NSECBYTES);
memset(k, 0, CRYPTO_KEYBYTES);
memset(ad, 0, MAX_BYTES);
memset(m, 0, MAX_BYTES);
memset(c, 0, MAX_BYTES);
SerialOut.print("Hello, World!");
}
void loop() {
static uint8_t buf[256];
uint16_t len = uartp_recv(buf, 255);
uint8_t action = buf[0];
if (len == 0 || len > 255)
int res;
uint16_t len = uartp_recv(cmdbuf, CMDBUF_LEN - 1);
uint8_t action = cmdbuf[0];
if (len == 0 || len > CMDBUF_LEN - 1)
return;
uint16_t l = len - 1;
uint16_t rl = 0;
uint8_t *var = buf+1;
uint8_t *var = cmdbuf+1;
switch (action) {
case 'm': my_assert(l <= MAX_BYTES); memcpy(m, var, l); mlen = l; break;
case 'c': my_assert(l <= MAX_BYTES); memcpy(c, var, l); clen = l; break;
......@@ -124,10 +107,9 @@ void loop() {
case'S': var = nsec; rl = CRYPTO_NSECBYTES; break;
case'R': var = (uint8_t *) &res; rl = sizeof(res); break;
default:
dbg_printf("Unknown command\r\n");
my_assert(false);
}
buf[0] = action;
memcpy(buf+1, var, rl);
uartp_send(buf, rl+1);
cmdbuf[0] = action;
memcpy(cmdbuf+1, var, rl);
uartp_send(cmdbuf, rl+1);
}
templates/bluepill/test
......@@ -15,10 +15,21 @@ def eprint(*args, **kargs):
def flash():
pipe = subprocess.PIPE
cmd = ['platformio', 'run', '-e', 'bluepill_f103c8', '--target', 'upload']
cmd = ['openocd', '-f', 'openocd.cfg', '-c' 'program ' +
'.pio/build/bluepill_f103c8/firmware.elf verify reset exit']
p = subprocess.Popen(cmd,
stdout=sys.stderr, stdin=pipe)
stdout, stderr = p.communicate("")
stdout=sys.stderr, stdin=sys.stdout)
stdout, stderr = p.communicate("")
def fill_ram():
pipe = subprocess.PIPE
cmd = ['openocd', '-f', 'openocd.cfg', '-c' 'program ' +
'empty_ram.bin reset exit 0x20000000']
p = subprocess.Popen(cmd,
stdout=sys.stderr, stdin=sys.stdout)
stdout, stderr = p.communicate("")
def get_serial():
import serial.tools.list_ports
......@@ -113,6 +124,7 @@ def main(argv):
uartp = UARTP(ser)
flash()
fill_ram()
eprint("Flashed")
time.sleep(0.1)
......
templates/esp32/configure
#!/bin/bash
mv -n *.c *.C *.s *.S src/
mv -n *.inc *.h *.H include/
mv -n *.c *.s *.S src/
mv -n *.dat *.inc *.h include/
sed -i src/encrypt.c -e "s/\(\s\)init(/\1_init(/g"
exit 0
templates/esp32/platformio.ini
......@@ -2,5 +2,6 @@
platform = espressif32
framework = arduino
board = esp32dev
build_flags = -O2
build_flags = -O2 -UDEBUG -DNDEBUG
build_unflags = -Os
build_type = release
templates/esp32/src/main.ino
......@@ -3,19 +3,22 @@
#include "uartp.h"
#define MAX_BYTES 100
#define CMDBUF_LEN 72
static uint8_t cmdbuf[CMDBUF_LEN];
//#define DEBUG
#define CRYPTO_BUSY 12
#define SerialOut Serial
uint8_t npub[CRYPTO_NPUBBYTES];
uint8_t nsec[CRYPTO_NSECBYTES];
uint8_t k[CRYPTO_KEYBYTES];
uint8_t ad[MAX_BYTES];
unsigned long long int adlen;
uint8_t m[MAX_BYTES];
unsigned long long int mlen;
uint8_t c[MAX_BYTES];
unsigned long long int clen;
unsigned long long int adlen = 0;
unsigned long long int mlen = 0;
unsigned long long int clen = 0;
int res = 0;
void setup();
void loop();
......@@ -24,14 +27,14 @@ void loop();
extern "C" {
#endif
void uart_write(uint8_t x) {
Serial.write((uint8_t) (x));
void uart_wbyte(uint8_t x) {
SerialOut.write((uint8_t) (x));
}
uint8_t uart_read() {
uint8_t uart_rbyte() {
int r;
do {
r = Serial.read();
r = SerialOut.read();
} while (r == -1);
return (uint8_t) (0xff & r);
}
......@@ -40,58 +43,42 @@ uint8_t uart_read() {
}
#endif
#ifdef DEBUG
#define DEBUG_BUF_LEN 80
int dbg_printf(const char *format, ...) {
char printbuf[DEBUG_BUF_LEN+2];
va_list vargs;
va_start(vargs, format);
int r = vsnprintf(printbuf+1, DEBUG_BUF_LEN, format, vargs);
va_end(vargs);
if (r < 0) {
memcpy(printbuf+1, "DEBUG ERROR\r\n", 13);
r = 13;
}
r = r > DEBUG_BUF_LEN ? DEBUG_BUF_LEN : r;
printbuf[0] = 0xde; // Debug messages should start with "\xde"
uartp_send(printbuf, r+1);
return r;
}
#else
#define dbg_printf(...) (0)
#endif
void my_assert(bool b) {
if (b)
return;
dbg_printf("Assertion failed\r\n");
for(;;)
yield();
}
void setup() {
Serial.begin(115200);
SerialOut.begin(500000);
pinMode(CRYPTO_BUSY, OUTPUT);
digitalWrite(CRYPTO_BUSY, HIGH);
delay(100);
Serial.print("Hello, World!");
memset(npub, 0, CRYPTO_NPUBBYTES);
memset(nsec, 0, CRYPTO_NSECBYTES);
memset(k, 0, CRYPTO_KEYBYTES);
memset(ad, 0, MAX_BYTES);
memset(m, 0, MAX_BYTES);
memset(c, 0, MAX_BYTES);
mlen = 8;
adlen = 0;
crypto_aead_encrypt(c, &clen, m, mlen, ad, adlen, nsec, npub, k);
crypto_aead_decrypt(m, &mlen, nsec, c, clen, ad, adlen, npub, k);
SerialOut.print("Hello, World!");
}
void loop() {
static uint8_t buf[256];
int res;
uint16_t len = uartp_recv(buf, 255);
uint8_t action = buf[0];
if (len == 0 || len > 255)
portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;
uint16_t len = uartp_recv(cmdbuf, CMDBUF_LEN - 1);
uint8_t action = cmdbuf[0];
if (len == 0 || len > CMDBUF_LEN - 1)
return;
uint16_t l = len - 1;
uint16_t rl = 0;
uint8_t *var = buf+1;
uint8_t *var = cmdbuf+1;
switch (action) {
case 'm': my_assert(l <= MAX_BYTES); memcpy(m, var, l); mlen = l; break;
case 'c': my_assert(l <= MAX_BYTES); memcpy(c, var, l); clen = l; break;
......@@ -100,22 +87,18 @@ void loop() {
case 'p': my_assert(l == CRYPTO_NPUBBYTES); memcpy(npub, var, l); break;
case 's': my_assert(l == CRYPTO_NSECBYTES); memcpy(nsec, var, l); break;
case 'e':
noInterrupts();
asm("nop");
portENTER_CRITICAL(&mux);
digitalWrite(CRYPTO_BUSY, LOW);
res = crypto_aead_encrypt(c, &clen, m, mlen, ad, adlen, nsec, npub, k);
digitalWrite(CRYPTO_BUSY, HIGH);
asm("nop");
interrupts();
portEXIT_CRITICAL(&mux);
break;
case 'd':
noInterrupts();
asm("nop");