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pkg/qdsa: drop package

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This package seems to implement the [qDSA signature scheme][1], which
seemed to not have received the level of attention and scrutiny from the
crypto community one would expect before adopting it outside of lab
environments and experiments.

Hence, it might be better hosted on a repo that focuses exclusively on
research, rather than in a repo of a general purpose OS that is intended
to be used outside of lab environments as well.

[1]: https://link.springer.com/chapter/10.1007/978-3-319-70697-9_10
This commit is contained in:
Marian Buschsieweke 2025-08-13 09:18:52 +02:00
parent ad4cf178eb
commit cc357f9638
No known key found for this signature in database
GPG Key ID: 758BD52517F79C41
8 changed files with 0 additions and 176 deletions
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11
pkg/qdsa/Makefile
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@ -1,11 +0,0 @@
PKG_NAME=qdsa
PKG_URL=https://github.com/RIOT-OS/qdsa.git
PKG_VERSION=3fa25ffa3971000fe4a3e3b42340c40c8d79f2a2
PKG_LICENSE=PD
include $(RIOTBASE)/pkg/pkg.mk
CFLAGS += -Wno-cast-align
all:
$(QQ)"$(MAKE)" -C $(PKG_SOURCE_DIR)/$(patsubst qdsa_impl_%,%,$(filter qdsa_impl_%,$(USEMODULE)))

20
pkg/qdsa/Makefile.dep
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@ -1,20 +0,0 @@
ifneq (,$(filter cortex-m23 cortex-m0%,$(CPU_CORE)))
USEMODULE += qdsa_asm
endif
ifneq (,$(filter arch_avr8,$(FEATURES_USED)))
USEMODULE += qdsa_asm
endif
ifeq (,$(filter qdsa_impl_%,$(USEMODULE)))
ifneq (,$(filter cortex-m23 cortex-m0%,$(CPU_CORE)))
USEMODULE += qdsa_impl_arm
else ifneq (,$(filter arch_avr8,$(FEATURES_USED)))
USEMODULE += qdsa_impl_avr
else
USEMODULE += qdsa_impl_cref
endif
endif
# qDsa is not 16 bit compatible
FEATURES_BLACKLIST += arch_16bit

11
pkg/qdsa/Makefile.include
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@ -1,11 +0,0 @@
PSEUDOMODULES += qdsa_impl_arm
PSEUDOMODULES += qdsa_impl_avr
PSEUDOMODULES += qdsa_impl_cref
INCLUDES += -I$(PKGDIRBASE)/qdsa/$(patsubst qdsa_impl_%,%,$(filter qdsa_impl_%,$(USEMODULE)))
ifeq (cortex-m0plus,$(CPU_CORE))
# There are problems with the LLVM assembler and the Cortex-M0+ instruction
# set with this package
TOOLCHAINS_BLACKLIST += llvm
endif

12
pkg/qdsa/doc.txt
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@ -1,12 +0,0 @@
/**
* @defgroup pkg_qdsa qdsa
* @ingroup pkg
* @ingroup sys
* @brief Small and Secure Digital Signatures with Curve-based Diffie-Hellman Key Pairs
*
* # License
*
* The package code is released to public domain
*
* @see https://www.cs.ru.nl/~jrenes/
*/

9
tests/pkg/qdsa/Makefile
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@ -1,9 +0,0 @@
include ../Makefile.pkg_common
CFLAGS += -DTHREAD_STACKSIZE_MAIN=\(4*THREAD_STACKSIZE_DEFAULT\)
USEPKG += qdsa
USEMODULE += random
USEMODULE += embunit
include $(RIOTBASE)/Makefile.include

14
tests/pkg/qdsa/Makefile.ci
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@ -1,14 +0,0 @@
BOARD_INSUFFICIENT_MEMORY := \
arduino-duemilanove \
arduino-leonardo \
arduino-nano \
arduino-uno \
atmega328p \
atmega328p-xplained-mini \
atmega8 \
nucleo-f031k6 \
nucleo-l011k4 \
samd10-xmini \
stk3200 \
stm32f030f4-demo \
#

82
tests/pkg/qdsa/main.c
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@ -1,82 +0,0 @@
/*
* Copyright (C) 2018 Kaspar Schleiser <kaspar@schleiser.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup unittests
* @{
*
* @file
* @brief qDSA crypto library tests
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
*
* @}
*/
#include "embUnit.h"
#include "random.h"
#include "sign.h"
static const unsigned char m[] = "0123456789abcdef";
#define SMLEN (sizeof(m) + 64)
static unsigned char sm[SMLEN];
static unsigned char m_result[sizeof(m)];
static unsigned char sk[64];
static unsigned char pk[32];
static void setUp(void)
{
/* Initialize */
random_init(0);
}
static void tearDown(void)
{
/* Finalize */
}
static void test_qDSA_sign_verify(void)
{
unsigned long long smlen;
random_bytes(sk, 32);
keypair(pk, sk);
sign(sm, &smlen, m, sizeof(m), pk, sk);
TEST_ASSERT_EQUAL_INT(SMLEN, smlen);
TEST_ASSERT_EQUAL_STRING("0123456789abcdef", (const char *)(sm + 64));
TEST_ASSERT_EQUAL_INT(0, verify(m_result, 0, sm, smlen, pk));
TEST_ASSERT_EQUAL_STRING("0123456789abcdef", (const char *)m_result);
sm[70] = 'x';
TEST_ASSERT_EQUAL_INT(1, verify(m_result, 0, sm, smlen, pk));
}
Test *tests_qDSA(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_qDSA_sign_verify),
};
EMB_UNIT_TESTCALLER(qDSA_tests, setUp, tearDown, fixtures);
return (Test*)&qDSA_tests;
}
int main(void)
{
TESTS_START();
TESTS_RUN(tests_qDSA());
TESTS_END();
return 0;
}

17
tests/pkg/qdsa/tests/01-run.py
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@ -1,17 +0,0 @@
#!/usr/bin/env python3
# Copyright (C) 2017 Freie Universität Berlin
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.
import sys
from testrunner import run_check_unittests
# It takes ~11s on nucleo-l152re, so add some margin
TIMEOUT = 15
if __name__ == "__main__":
sys.exit(run_check_unittests(timeout=TIMEOUT))