Merge branch 'master' into frodo-aes

This commit is contained in:
Douglas Stebila 2019-04-11 08:15:40 -04:00
commit b7f390368e
27 changed files with 125 additions and 65 deletions

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@ -42,11 +42,7 @@ _The checking of items on this list is still being developed. Checked items shou
* [x] Consistent test vectors on 32-bit and 64-bit machines
* [x] No errors/warnings reported by valgrind
* [x] No errors/warnings reported by address sanitizer
* [ ] Only dependencies:
* [x] `fips202.c`
* [x] `sha2.c`
* [ ] `aes.c`
* [x] `randombytes.c`
* [x] Only dependencies: `fips202.c`, `sha2.c`, `aes.c`, `randombytes.c`
* [x] API functions return `0` on success
* [x] No dynamic memory allocations
* [ ] No branching on secret data (dynamically checked using valgrind)

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@ -13,7 +13,7 @@
#define min(x, y) (((x) < (y)) ? (x) : (y))
uint16_t PQCLEAN_FRODOKEM1344SHAKE_CLEAN_LE_TO_UINT16(const uint16_t n) {
return (((uint8_t *) &(n))[0] | (((uint8_t *) &(n))[1] << 8));
return (((uint8_t *) &n)[0] | (((uint8_t *) &n)[1] << 8));
}
uint16_t PQCLEAN_FRODOKEM1344SHAKE_CLEAN_UINT16_TO_LE(const uint16_t n) {

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@ -13,7 +13,7 @@
#define min(x, y) (((x) < (y)) ? (x) : (y))
uint16_t PQCLEAN_FRODOKEM640SHAKE_CLEAN_LE_TO_UINT16(const uint16_t n) {
return (((uint8_t *) &(n))[0] | (((uint8_t *) &(n))[1] << 8));
return (((uint8_t *) &n)[0] | (((uint8_t *) &n)[1] << 8));
}
uint16_t PQCLEAN_FRODOKEM640SHAKE_CLEAN_UINT16_TO_LE(const uint16_t n) {

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@ -13,7 +13,7 @@
#define min(x, y) (((x) < (y)) ? (x) : (y))
uint16_t PQCLEAN_FRODOKEM976SHAKE_CLEAN_LE_TO_UINT16(const uint16_t n) {
return (((uint8_t *) &(n))[0] | (((uint8_t *) &(n))[1] << 8));
return (((uint8_t *) &n)[0] | (((uint8_t *) &n)[1] << 8));
}
uint16_t PQCLEAN_FRODOKEM976SHAKE_CLEAN_UINT16_TO_LE(const uint16_t n) {

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@ -5,7 +5,7 @@ LIB=libsphincs-shake256-128f-simple_clean.a
HEADERS = params.h address.h wots.h utils.h fors.h api.h hash.h thash.h
OBJECTS = address.o wots.o utils.o fors.o sign.o hash_shake256.o thash_shake256_simple.o
CFLAGS=-Wall -Wextra -Wpedantic -Werror -std=c99 -I../../../common $(EXTRAFLAGS)
CFLAGS=-Wall -Wconversion -Wextra -Wpedantic -Werror -std=c99 -I../../../common $(EXTRAFLAGS)
all: $(LIB)

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@ -50,7 +50,7 @@ static void message_to_indices(uint32_t *indices, const unsigned char *m) {
for (i = 0; i < SPX_FORS_TREES; i++) {
indices[i] = 0;
for (j = 0; j < SPX_FORS_HEIGHT; j++) {
indices[i] ^= ((m[offset >> 3] >> (offset & 0x7)) & 0x1) << j;
indices[i] ^= (((uint32_t)m[offset >> 3] >> (offset & 0x7)) & 0x1) << j;
offset++;
}
}

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@ -53,12 +53,13 @@ static void gen_chain(unsigned char *out, const unsigned char *in,
* Interprets an array of bytes as integers in base w.
* This only works when log_w is a divisor of 8.
*/
static void base_w(int *output, const int out_len, const unsigned char *input) {
int in = 0;
int out = 0;
static void base_w(unsigned int *output, const size_t out_len,
const unsigned char *input) {
size_t in = 0;
size_t out = 0;
unsigned char total = 0;
int bits = 0;
int consumed;
unsigned int bits = 0;
size_t consumed;
for (consumed = 0; consumed < out_len; consumed++) {
if (bits == 0) {
@ -73,8 +74,9 @@ static void base_w(int *output, const int out_len, const unsigned char *input) {
}
/* Computes the WOTS+ checksum over a message (in base_w). */
static void wots_checksum(int *csum_base_w, const int *msg_base_w) {
int csum = 0;
static void wots_checksum(unsigned int *csum_base_w,
const unsigned int *msg_base_w) {
unsigned int csum = 0;
unsigned char csum_bytes[(SPX_WOTS_LEN2 * SPX_WOTS_LOGW + 7) / 8];
unsigned int i;
@ -92,7 +94,7 @@ static void wots_checksum(int *csum_base_w, const int *msg_base_w) {
}
/* Takes a message and derives the matching chain lengths. */
static void chain_lengths(int *lengths, const unsigned char *msg) {
static void chain_lengths(unsigned int *lengths, const unsigned char *msg) {
base_w(lengths, SPX_WOTS_LEN1, msg);
wots_checksum(lengths + SPX_WOTS_LEN1, lengths);
}
@ -125,7 +127,7 @@ void PQCLEAN_SPHINCSSHAKE256128FSIMPLE_CLEAN_wots_sign(
unsigned char *sig, const unsigned char *msg,
const unsigned char *sk_seed, const unsigned char *pub_seed,
uint32_t addr[8]) {
int lengths[SPX_WOTS_LEN];
unsigned int lengths[SPX_WOTS_LEN];
uint32_t i;
chain_lengths(lengths, msg);
@ -146,7 +148,7 @@ void PQCLEAN_SPHINCSSHAKE256128FSIMPLE_CLEAN_wots_pk_from_sig(
unsigned char *pk,
const unsigned char *sig, const unsigned char *msg,
const unsigned char *pub_seed, uint32_t addr[8]) {
int lengths[SPX_WOTS_LEN];
unsigned int lengths[SPX_WOTS_LEN];
uint32_t i;
chain_lengths(lengths, msg);

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@ -41,7 +41,7 @@ testvectors: $(DEST_DIR)/testvectors_$(SCHEME)_$(IMPLEMENTATION)
.PHONY: printparams
printparams: $(DEST_DIR)/printparams_$(SCHEME)_$(IMPLEMENTATION)
$(DEST_DIR)/test_%: common/%.c $(COMMON_FILES)
$(DEST_DIR)/test_common_%: common/%.c $(COMMON_FILES)
mkdir -p $(DEST_DIR)
$(CC) $(CFLAGS) $< $(COMMON_FILES) -o $@

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@ -5,6 +5,8 @@ import unittest
import shutil
import sys
import pqclean
def run_subprocess(command, working_dir='.', env=None, expected_returncode=0):
"""
@ -97,3 +99,32 @@ def ensure_available(executable):
else "On Windows, make sure to add it to PATH")
)
raise AssertionError("{} not available on CI".format(executable))
def permit_test(testname, thing, **args):
if 'PQCLEAN_ONLY_TESTS' in os.environ:
if not(testname.lower() in os.environ['PQCLEAN_ONLY_TESTS'].lower().split(',')):
return False
if 'PQCLEAN_SKIP_TESTS' in os.environ:
if testname.lower() in os.environ['PQCLEAN_SKIP_TESTS'].lower().split(','):
return False
if isinstance(thing, pqclean.Implementation):
scheme = thing.scheme
else:
scheme = thing
if 'PQCLEAN_ONLY_TYPES' in os.environ:
if not(scheme.type.lower() in os.environ['PQCLEAN_ONLY_TYPES'].lower().split(',')):
return False
if 'PQCLEAN_SKIP_TYPES' in os.environ:
if scheme.type.lower() in os.environ['PQCLEAN_SKIP_TYPES'].lower().split(','):
return False
if 'PQCLEAN_ONLY_SCHEMES' in os.environ:
if not(scheme.name.lower() in os.environ['PQCLEAN_ONLY_SCHEMES'].lower().split(',')):
return False
if 'PQCLEAN_SKIP_SCHEMES' in os.environ:
if scheme.name.lower() in os.environ['PQCLEAN_SKIP_SCHEMES'].lower().split(','):
return False
return True

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@ -1,13 +1,15 @@
import os
import re
import helpers
import pqclean
def test_preprocessor():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_preprocessor, implementation
if helpers.permit_test('preprocessor', implementation):
yield check_preprocessor, implementation
def check_preprocessor(implementation: pqclean.Implementation):

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@ -17,7 +17,8 @@ def test_char():
)
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_char, implementation
if helpers.permit_test('char', implementation):
yield check_char, implementation
def walk_tree(ast):

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@ -16,7 +16,7 @@ def test_common():
def check_common(primitive):
binname = os.path.join('..', 'bin', 'test_'+primitive)
binname = os.path.join('..', 'bin', 'test_common_'+primitive)
helpers.make(binname)
helpers.run_subprocess([binname])

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@ -10,7 +10,8 @@ import helpers
def test_compile_lib():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_compile_lib, implementation
if helpers.permit_test('compile_lib', implementation):
yield check_compile_lib, implementation
def check_compile_lib(implementation):

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@ -12,14 +12,15 @@ def test_duplicate_consistency():
helpers.skip_windows()
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
if os.path.isfile(os.path.join('duplicate_consistency', '{}_{}.yml'.format(scheme.name, implementation.name))):
metafile = os.path.join('duplicate_consistency', '{}_{}.yml'.format(implementation.scheme.name, implementation.name))
with open(metafile, encoding='utf-8') as f:
metadata = yaml.load(f.read())
for group in metadata['consistency_checks']:
source = pqclean.Implementation.by_name(group['source']['scheme'], group['source']['implementation'])
for file in group['files']:
yield check_duplicate_consistency, implementation, source, file
if helpers.permit_test('duplicate_consistency', implementation):
if os.path.isfile(os.path.join('duplicate_consistency', '{}_{}.yml'.format(scheme.name, implementation.name))):
metafile = os.path.join('duplicate_consistency', '{}_{}.yml'.format(implementation.scheme.name, implementation.name))
with open(metafile, encoding='utf-8') as f:
metadata = yaml.load(f.read())
for group in metadata['consistency_checks']:
source = pqclean.Implementation.by_name(group['source']['scheme'], group['source']['implementation'])
for file in group['files']:
yield check_duplicate_consistency, implementation, source, file
def file_get_contents(filename):
with open(filename) as f:

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@ -11,9 +11,10 @@ import unittest
def test_dynamic_memory():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
# Keep this loop outside, to allow multiple assertions
for function in ['malloc', 'free', 'realloc', 'calloc']:
yield (check_dynamic_memory, implementation, function)
if helpers.permit_test('dynamic_memory', implementation):
# Keep this loop outside, to allow multiple assertions
for function in ['malloc', 'free', 'realloc', 'calloc']:
yield (check_dynamic_memory, implementation, function)
@helpers.skip_windows()

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@ -1,22 +1,24 @@
import helpers
import pqclean
from helpers import run_subprocess, ensure_available
def test_formatting():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_format, implementation
if helpers.permit_test('format', implementation):
yield check_format, implementation
def check_format(implementation: pqclean.Implementation):
ensure_available('astyle')
helpers.ensure_available('astyle')
cfiles = implementation.cfiles()
hfiles = implementation.hfiles()
run_subprocess(['astyle',
result = helpers.run_subprocess(['astyle',
'--dry-run',
'--options=../.astylerc',
*cfiles,
*hfiles])
assert(not('Formatted' in result))
if __name__ == "__main__":

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@ -14,13 +14,15 @@ import helpers
def test_functest():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_functest, implementation
if helpers.permit_test('functest', implementation):
yield check_functest, implementation
def test_functest_sanitizers():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_functest_sanitizers, implementation
if helpers.permit_test('functest_sanitizers', implementation):
yield check_functest_sanitizers, implementation
def check_functest(implementation):

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@ -5,12 +5,14 @@ implementation of the specified scheme.
import os
import pqclean
import helpers
def test_license():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_license, implementation
if helpers.permit_test('license', implementation):
yield check_license, implementation
def check_license(implementation):

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@ -1,24 +1,29 @@
import os
from glob import glob
import sys
import pqclean
from helpers import run_subprocess, ensure_available
import helpers
additional_flags = []
def test_clang_tidy():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_tidy, implementation
if helpers.permit_test('linter', implementation):
yield check_tidy, implementation
def check_tidy(implementation: pqclean.Implementation):
ensure_available('clang-tidy')
helpers.ensure_available('clang-tidy')
cfiles = glob(os.path.join(implementation.path(), '*.c'))
common_files = glob(os.path.join('..', 'common', '*.c'))
run_subprocess(['clang-tidy',
helpers.run_subprocess(['clang-tidy',
'-quiet',
'-header-filter=.*',
*cfiles,
'-header-filter=.*'] +
additional_flags +
[*cfiles,
*common_files,
'--',
'-iquote', os.path.join('..', 'common'),
@ -27,6 +32,10 @@ def check_tidy(implementation: pqclean.Implementation):
if __name__ == "__main__":
# allow a user to specify --fix-errors, to immediately fix errors
if len(sys.argv) >= 2 and sys.argv[1] == '-fix-errors':
additional_flags = ['-fix-errors']
sys.argv = sys.argv[0:1] + sys.argv[2:]
try:
import nose2
nose2.main()

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@ -13,14 +13,15 @@ import datetime
def test_makefile_dependencies():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
# initial build - want to have *all* files in place at beginning
helpers.make('clean', working_dir=implementation.path())
helpers.make(working_dir=implementation.path())
# test case for each candidate file
cfiles = glob.glob(os.path.join(implementation.path(), '*.c'))
hfiles = glob.glob(os.path.join(implementation.path(), '*.h'))
for file in (cfiles + hfiles):
yield (check_makefile_dependencies, implementation, file)
if helpers.permit_test('makefile_dependencies', implementation):
# initial build - want to have *all* files in place at beginning
helpers.make('clean', working_dir=implementation.path())
helpers.make(working_dir=implementation.path())
# test case for each candidate file
cfiles = glob.glob(os.path.join(implementation.path(), '*.c'))
hfiles = glob.glob(os.path.join(implementation.path(), '*.h'))
for file in (cfiles + hfiles):
yield (check_makefile_dependencies, implementation, file)
def touch(time, *files):

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@ -3,13 +3,15 @@ Verify the metadata specified in the META.yml files.
"""
import copy
import helpers
import itertools
import pqclean
def test_metadata():
for scheme in pqclean.Scheme.all_schemes():
yield check_metadata, scheme
if helpers.permit_test('metadata', scheme):
yield check_metadata, scheme
def check_metadata(scheme):

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@ -8,7 +8,8 @@ import helpers
def test_metadata_sizes():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_metadata_sizes, implementation
if helpers.permit_test('metadata_sizes', implementation):
yield check_metadata_sizes, implementation
def check_metadata_sizes(implementation):

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@ -4,12 +4,14 @@ Checks that no implementation makes use of symbolic links.
import os
import pqclean
import helpers
def test_no_symlinks():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_no_symlinks, implementation
if helpers.permit_test('no_symlinks', implementation):
yield check_no_symlinks, implementation
def check_no_symlinks(implementation):

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@ -2,13 +2,14 @@ import os
from glob import glob
import pqclean
from helpers import run_subprocess, ensure_available
import helpers
def test_preprocessor():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_preprocessor, implementation
if helpers.permit_test('preprocessor', implementation):
yield check_preprocessor, implementation
def check_preprocessor(implementation: pqclean.Implementation):

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@ -12,7 +12,8 @@ import unittest
def test_symbol_namespace():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_symbol_namespace, implementation
if helpers.permit_test('symbol_namespace', implementation):
yield check_symbol_namespace, implementation
def check_symbol_namespace(implementation):

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@ -12,7 +12,8 @@ import helpers
def test_testvectors():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_vectors, implementation
if helpers.permit_test('testvectors', implementation):
yield check_vectors, implementation
def check_vectors(implementation):

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@ -13,7 +13,8 @@ import helpers
def test_functest():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_valgrind, implementation
if helpers.permit_test('valgrind', implementation):
yield check_valgrind, implementation
def check_valgrind(implementation: pqclean.Implementation):