testing/crypto: Add test cases for Diffie-Hellman algorithm
Signed-off-by: makejian <makejian@xiaomi.com>
This commit is contained in:
makejian
Xiang Xiao
parent
ce58e85aa6
commit
b1f2e63a6b
@ -145,4 +145,18 @@ if(CONFIG_TESTING_CRYPTO)
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ecdsa.c)
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endif()
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if(CONFIG_TESTING_CRYPTO_ECDH)
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nuttx_add_application(
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NAME
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dhm
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PRIORITY
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${CONFIG_TESTING_CRYPTO_PRIORITY}
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STACKSIZE
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${CONFIG_TESTING_CRYPTO_STACKSIZE}
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MODULE
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${CONFIG_TESTING_CRYPTO}
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SRCS
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dhm.c)
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endif()
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endif()
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@ -42,6 +42,10 @@ config TESTING_CRYPTO_ECDSA
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bool "ecdsa crypto test"
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default n
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config TESTING_CRYPTO_ECDH
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bool "ecdh crypto test"
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default n
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config TESTING_CRYPTO_PRIORITY
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int "crypto test task priority"
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default 100
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@ -66,6 +66,11 @@ PROGNAME += ecdsa
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MAINSRC += ecdsa.c
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endif
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ifeq ($(CONFIG_TESTING_CRYPTO_ECDH),y)
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PROGNAME += dhm
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MAINSRC += dhm.c
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endif
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PRIORITY = $(CONFIG_TESTING_CRYPTO_PRIORITY)
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STACKSIZE = $(CONFIG_TESTING_CRYPTO_STACKSIZE)
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MODULE = $(CONFIG_TESTING_CRYPTO)
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310
testing/crypto/dhm.c
Normal file
310
testing/crypto/dhm.c
Normal file
@ -0,0 +1,310 @@
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/****************************************************************************
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* apps/testing/crypto/dhm.c
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* Copyright (C) 2023 Xiaomi Corporation
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <err.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <crypto/cryptodev.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* RFC 5114 section 2.1:
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* 1024-bit MODP Group with 160-bit Prime Order Subgroup
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*/
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#define DHM_RFC5114_MODP_1024_P_BIN { \
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0xB1, 0x0B, 0x8F, 0x96, 0xA0, 0x80, 0xE0, 0x1D, \
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0xDE, 0x92, 0xDE, 0x5E, 0xAE, 0x5D, 0x54, 0xEC, \
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0x52, 0xC9, 0x9F, 0xBC, 0xFB, 0x06, 0xA3, 0xC6, \
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0x9A, 0x6A, 0x9D, 0xCA, 0x52, 0xD2, 0x3B, 0x61, \
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0x60, 0x73, 0xE2, 0x86, 0x75, 0xA2, 0x3D, 0x18, \
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0x98, 0x38, 0xEF, 0x1E, 0x2E, 0xE6, 0x52, 0xC0, \
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0x13, 0xEC, 0xB4, 0xAE, 0xA9, 0x06, 0x11, 0x23, \
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0x24, 0x97, 0x5C, 0x3C, 0xD4, 0x9B, 0x83, 0xBF, \
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0xAC, 0xCB, 0xDD, 0x7D, 0x90, 0xC4, 0xBD, 0x70, \
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0x98, 0x48, 0x8E, 0x9C, 0x21, 0x9A, 0x73, 0x72, \
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0x4E, 0xFF, 0xD6, 0xFA, 0xE5, 0x64, 0x47, 0x38, \
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0xFA, 0xA3, 0x1A, 0x4F, 0xF5, 0x5B, 0xCC, 0xC0, \
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0xA1, 0x51, 0xAF, 0x5F, 0x0D, 0xC8, 0xB4, 0xBD, \
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0x45, 0xBF, 0x37, 0xDF, 0x36, 0x5C, 0x1A, 0x65, \
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0xE6, 0x8C, 0xFD, 0xA7, 0x6D, 0x4D, 0xA7, 0x08, \
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0xDF, 0x1F, 0xB2, 0xBC, 0x2E, 0x4A, 0x43, 0x71 }
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#define DHM_RFC5114_MODP_1024_G_BIN { \
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0xA4, 0xD1, 0xCB, 0xD5, 0xC3, 0xFD, 0x34, 0x12, \
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0x67, 0x65, 0xA4, 0x42, 0xEF, 0xB9, 0x99, 0x05, \
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0xF8, 0x10, 0x4D, 0xD2, 0x58, 0xAC, 0x50, 0x7F, \
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0xD6, 0x40, 0x6C, 0xFF, 0x14, 0x26, 0x6D, 0x31, \
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0x26, 0x6F, 0xEA, 0x1E, 0x5C, 0x41, 0x56, 0x4B, \
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0x77, 0x7E, 0x69, 0x0F, 0x55, 0x04, 0xF2, 0x13, \
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0x16, 0x02, 0x17, 0xB4, 0xB0, 0x1B, 0x88, 0x6A, \
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0x5E, 0x91, 0x54, 0x7F, 0x9E, 0x27, 0x49, 0xF4, \
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0xD7, 0xFB, 0xD7, 0xD3, 0xB9, 0xA9, 0x2E, 0xE1, \
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0x90, 0x9D, 0x0D, 0x22, 0x63, 0xF8, 0x0A, 0x76, \
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0xA6, 0xA2, 0x4C, 0x08, 0x7A, 0x09, 0x1F, 0x53, \
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0x1D, 0xBF, 0x0A, 0x01, 0x69, 0xB6, 0xA2, 0x8A, \
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0xD6, 0x62, 0xA4, 0xD1, 0x8E, 0x73, 0xAF, 0xA3, \
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0x2D, 0x77, 0x9D, 0x59, 0x18, 0xD0, 0x8B, 0xC8, \
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0x85, 0x8F, 0x4D, 0xCE, 0xF9, 0x7C, 0x2A, 0x24, \
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0x85, 0x5E, 0x6E, 0xEB, 0x22, 0xB3, 0xB2, 0xE5 }
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#define DHM_SIZE 128
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/****************************************************************************
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* Private Types
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****************************************************************************/
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typedef struct cryptodev_context
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{
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int fd;
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int cryptodev_fd;
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}
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cryptodev_context;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int match(FAR unsigned char *a, FAR unsigned char *b, size_t len)
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{
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int i;
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if (memcmp(a, b, len) == 0)
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{
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return 0;
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}
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perror("dhm mismatch");
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for (i = 0; i < len; i++)
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{
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printf("%02x", a[i]);
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}
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printf("\n");
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for (i = 0; i < len; i++)
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{
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printf("%02x", b[i]);
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}
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printf("\n");
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return 1;
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}
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static void cryptodev_free(FAR cryptodev_context *ctx)
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{
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if (ctx->cryptodev_fd != 0)
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{
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close(ctx->cryptodev_fd);
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ctx->cryptodev_fd = 0;
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}
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if (ctx->fd != 0)
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{
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close(ctx->fd);
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ctx->fd = 0;
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}
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}
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static int cryptodev_init(FAR cryptodev_context *ctx)
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{
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memset(ctx, 0, sizeof(cryptodev_context));
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if ((ctx->fd = open("/dev/crypto", O_RDWR, 0)) < 0)
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{
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perror("cryptodev_init open /dev/crypto failed");
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cryptodev_free(ctx);
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return 1;
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}
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if (ioctl(ctx->fd, CRIOGET, &ctx->cryptodev_fd) == -1)
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{
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perror("cryptodev_init CRIOGET failed");
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cryptodev_free(ctx);
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return 1;
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}
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return 0;
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}
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static int dh_make_public(FAR cryptodev_context *ctx,
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FAR const unsigned char *p, size_t p_size,
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FAR const unsigned char *g, size_t g_size,
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FAR unsigned char *x, size_t x_size,
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FAR unsigned char *gx, size_t gx_size)
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{
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struct crypt_kop cryptk;
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memset(&cryptk, 0, sizeof(struct crypt_kop));
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cryptk.crk_op = CRK_DH_MAKE_PUBLIC;
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cryptk.crk_iparams = 2;
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cryptk.crk_oparams = 2;
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/* inputs: g p
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* outputs: x gx
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*/
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cryptk.crk_param[0].crp_p = (caddr_t) g;
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cryptk.crk_param[0].crp_nbits = g_size * 8;
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cryptk.crk_param[1].crp_p = (caddr_t) p;
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cryptk.crk_param[1].crp_nbits = p_size * 8;
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cryptk.crk_param[2].crp_p = (caddr_t) x;
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cryptk.crk_param[2].crp_nbits = x_size * 8;
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cryptk.crk_param[3].crp_p = (caddr_t) gx;
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cryptk.crk_param[3].crp_nbits = gx_size * 8;
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if (ioctl(ctx->cryptodev_fd, CIOCKEY, &cryptk) == -1)
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{
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perror("dh_make_public failed");
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return 1;
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}
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return 0;
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}
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static int dh_compute_key(FAR cryptodev_context *ctx,
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FAR const unsigned char *gy, size_t gy_size,
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FAR const unsigned char *x, size_t x_size,
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FAR const unsigned char *p, size_t p_size,
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FAR unsigned char *k, size_t k_size)
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{
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struct crypt_kop cryptk;
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memset(&cryptk, 0, sizeof(struct crypt_kop));
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cryptk.crk_op = CRK_DH_COMPUTE_KEY;
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cryptk.crk_iparams = 3;
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cryptk.crk_oparams = 1;
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/* inputs: pub_key priv_key p */
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cryptk.crk_param[0].crp_p = (caddr_t) gy;
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cryptk.crk_param[0].crp_nbits = gy_size * 8;
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cryptk.crk_param[1].crp_p = (caddr_t) x;
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cryptk.crk_param[1].crp_nbits = x_size * 8;
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cryptk.crk_param[2].crp_p = (caddr_t) p;
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cryptk.crk_param[2].crp_nbits = p_size * 8;
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cryptk.crk_param[3].crp_p = (caddr_t) k;
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cryptk.crk_param[3].crp_nbits = k_size * 8;
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if (ioctl(ctx->cryptodev_fd, CIOCKEY, &cryptk) == -1)
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{
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perror("dh_compute_key failed");
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return 1;
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}
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return 0;
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}
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static int test_dh_compute_key(void)
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{
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int ret;
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cryptodev_context ctx;
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static const unsigned char dhm_p_1024[] =
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DHM_RFC5114_MODP_1024_P_BIN;
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static const unsigned char dhm_g_1024[] =
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DHM_RFC5114_MODP_1024_G_BIN;
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unsigned char x1[DHM_SIZE];
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unsigned char gx1[DHM_SIZE];
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unsigned char k1[DHM_SIZE];
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unsigned char x2[DHM_SIZE];
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unsigned char gx2[DHM_SIZE];
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unsigned char k2[DHM_SIZE];
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ret = cryptodev_init(&ctx);
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if (ret != 0)
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{
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goto free;
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}
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/* X-private key GX-pulic key K-share key */
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memset(x1, 0, DHM_SIZE);
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memset(gx1, 0, DHM_SIZE);
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memset(k1, 0, DHM_SIZE);
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memset(x2, 0, DHM_SIZE);
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memset(gx2, 0, DHM_SIZE);
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memset(k2, 0, DHM_SIZE);
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ret = dh_make_public(&ctx, dhm_p_1024, DHM_SIZE, dhm_g_1024,
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DHM_SIZE, x1, DHM_SIZE, gx1, DHM_SIZE);
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if (ret != 0)
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{
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printf("DH make Alice's public key failed\n");
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goto free;
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}
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ret = dh_make_public(&ctx, dhm_p_1024, DHM_SIZE, dhm_g_1024,
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DHM_SIZE, x2, DHM_SIZE, gx2, DHM_SIZE);
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if (ret != 0)
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{
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printf("DH make Bob's public failed\n");
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goto free;
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}
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ret = dh_compute_key(&ctx, gx2, DHM_SIZE, x1, DHM_SIZE,
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dhm_p_1024, DHM_SIZE, k1, DHM_SIZE);
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if (ret != 0)
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{
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printf("DH compute Alice's share key failed\n");
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goto free;
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}
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ret = dh_compute_key(&ctx, gx1, DHM_SIZE, x2, DHM_SIZE,
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dhm_p_1024, DHM_SIZE, k2, DHM_SIZE);
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if (ret != 0)
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{
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printf("DH compute Bob's share key failed\n");
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goto free;
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}
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ret = match(k1, k2, DHM_SIZE);
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if (ret != 0)
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{
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printf("mismatch share key\n");
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}
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free:
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cryptodev_free(&ctx);
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return 0;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int main(void)
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{
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if (test_dh_compute_key() != 0)
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{
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printf("test dh compute key failed\n");
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}
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else
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{
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printf("test dh compute key ok\n");
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}
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return 0;
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}
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