Commit 62f566e3 by Sebastian Renner

Gapuino integration

parent 9da44c2a
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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
#define CRYPTO_KEYBYTES 0
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 0
#define CRYPTO_ABYTES 0
#define CRYPTO_NOOVERLAP 1
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
);
//
// 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;
}
#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;
}
...@@ -49,14 +49,14 @@ void my_assert(bool b) { ...@@ -49,14 +49,14 @@ void my_assert(bool b) {
if (b) if (b)
return; return;
for(;;) for(;;)
wait(1); wait_ms(0.1);
} }
void setup() { void setup() {
device.baud(9600); device.baud(115200);
PORT_SetPinMux(PORTA, 35, uPORT_MuxGPIO); PORT_SetPinMux(PORTA, 35, uPORT_MuxGPIO);
crypto_pin = 1; crypto_pin = 1;
wait(100); wait_ms(100);
memset(npub, 0, CRYPTO_NPUBBYTES); memset(npub, 0, CRYPTO_NPUBBYTES);
memset(nsec, 0, CRYPTO_NSECBYTES); memset(nsec, 0, CRYPTO_NSECBYTES);
memset(k, 0, CRYPTO_KEYBYTES); memset(k, 0, CRYPTO_KEYBYTES);
......
...@@ -15,20 +15,17 @@ def eprint(*args, **kargs): ...@@ -15,20 +15,17 @@ def eprint(*args, **kargs):
def flash(tty=None): def flash(tty=None):
pipe = subprocess.PIPE pipe = subprocess.PIPE
cmd = ['platformio', 'run', '--target', 'upload'] cmd = ['make', 'run']
if tty is not None:
cmd.extend(['--upload-port', tty])
p = subprocess.Popen(cmd, p = subprocess.Popen(cmd,
stdout=sys.stderr, stdin=pipe) stdout=sys.stderr, stdin=pipe)
stdout, stderr = p.communicate("")
def get_serial(): def get_serial():
import serial.tools.list_ports import serial.tools.list_ports
ports = serial.tools.list_ports.comports() ports = serial.tools.list_ports.comports()
devices = [ p.device for p in ports ] devices = [ p.device for p in ports ]
devices.sort() devices.sort()
# Might also be 0, one is JTAG, one UART return devices
return devices[0]
class UARTP: class UARTP:
...@@ -128,10 +125,10 @@ def main(argv): ...@@ -128,10 +125,10 @@ def main(argv):
dev = get_serial() dev = get_serial()
flash(dev) flash()
eprint("Flashed") eprint("Flashed")
time.sleep(0.1) time.sleep(1.5)
ser = serial.Serial(dev, baudrate=1500000, timeout=5) ser = serial.Serial(dev[0], baudrate=115200, timeout=5)
uartp = UARTP(ser) uartp = UARTP(ser)
ser.setRTS(True) ser.setRTS(True)
......
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