| --- a/Makefile.am |
| +++ b/Makefile.am |
| @@ -229,6 +229,16 @@ EXTRA_bin_kcapi_dgst_DEPENDENCIES = libt |
| |
| SCAN_FILES += $(bin_kcapi_dgst_SOURCES) |
| man_MANS += apps/kcapi-dgst.1 |
| + |
| +bin_PROGRAMS += bin/kcapi-mtk-dgst |
| + |
| +bin_kcapi_mtk_dgst_CPPFLAGS = $(COMMON_CPPFLAGS) -I$(top_srcdir)/lib/ |
| +bin_kcapi_mtk_dgst_LDFLAGS = $(COMMON_LDFLAGS) |
| +bin_kcapi_mtk_dgst_LDADD = libkcapi.la |
| +bin_kcapi_mtk_dgst_SOURCES = apps/kcapi-mtk-dgst.c apps/app-internal.c |
| +EXTRA_bin_kcapi_dgst_DEPENDENCIES = libtool |
| + |
| +SCAN_FILES += $(bin_kcapi_mtk_dgst_SOURCES) |
| endif |
| |
| if HAVE_CLANG |
| --- /dev/null |
| +++ b/apps/kcapi-mtk-dgst.c |
| @@ -0,0 +1,287 @@ |
| +// SPDX-License-Identifier: BSD-2-Clause |
| +/* |
| + * Copyright (C) 2023, MediaTek Inc. All rights reserved. |
| + */ |
| + |
| +#define _GNU_SOURCE |
| +#include <unistd.h> |
| +#include <sys/syscall.h> |
| +#include <errno.h> |
| +#include <limits.h> |
| +#include <stdint.h> |
| +#include <sys/types.h> |
| +#include <sys/stat.h> |
| +#include <fcntl.h> |
| +#include <stdio.h> |
| +#include <stdlib.h> |
| +#include <string.h> |
| +#include <getopt.h> |
| + |
| +#include <kcapi.h> |
| + |
| +#include "app-internal.h" |
| + |
| +#define TYPE_SHA 0 |
| +#define TYPE_HMAC 1 |
| + |
| +static char *name = NULL; |
| +static unsigned char* key = NULL; |
| +static unsigned char* message = NULL; |
| +static uint32_t key_len = 0; |
| +static uint32_t message_len = 0; |
| +int type = -1, type_index = -1; |
| +int empty = 0; |
| +struct sha { |
| + char *name; |
| + ssize_t (*fun)(const uint8_t*, size_t, |
| + uint8_t*, size_t); |
| +}; |
| + |
| +struct hmac { |
| + char *name; |
| + ssize_t (*fun)(const uint8_t*, uint32_t, |
| + const uint8_t*, size_t, |
| + uint8_t*, size_t); |
| +}; |
| + |
| +struct sha msg_digest[5] = { |
| + { |
| + .name = "sha1", |
| + .fun = kcapi_md_sha1, |
| + }, |
| + { |
| + .name = "sha224", |
| + .fun = kcapi_md_sha224, |
| + }, |
| + { |
| + .name = "sha256", |
| + .fun = kcapi_md_sha256, |
| + }, |
| + { |
| + .name = "sha384", |
| + .fun = kcapi_md_sha384, |
| + }, |
| + { |
| + .name = "sha512", |
| + .fun = kcapi_md_sha512, |
| + }, |
| +}; |
| + |
| +struct hmac key_msg_digest[5] = { |
| + { |
| + .name = "hmac-sha1", |
| + .fun = kcapi_md_hmac_sha1, |
| + }, |
| + { |
| + .name = "hmac-sha224", |
| + .fun = kcapi_md_hmac_sha224, |
| + }, |
| + { |
| + .name = "hmac-sha256", |
| + .fun = kcapi_md_hmac_sha256, |
| + }, |
| + { |
| + .name = "hmac-sha384", |
| + .fun = kcapi_md_hmac_sha384, |
| + }, |
| + { |
| + .name = "hmac-sha512", |
| + .fun = kcapi_md_hmac_sha512, |
| + }, |
| +}; |
| + |
| +static unsigned char* hextobin(char* hexstr, uint32_t *ret_len) { |
| + size_t len = strlen(hexstr); |
| + size_t i = 0; |
| + char *pos = hexstr; |
| + unsigned char *ret = (unsigned char*) malloc((len + 1) / 2); |
| + |
| + for (i = 0; i < (len + 1) / 2; i++) { |
| + if(i == 0 && (len % 2) == 1) { |
| + sscanf(pos, "%1hhx", &ret[i]); |
| + pos += 1; |
| + } else { |
| + sscanf(pos, "%2hhx", &ret[i]); |
| + pos += 2; |
| + } |
| + } |
| + *ret_len = (len + 1) / 2; |
| + |
| + return ret; |
| +} |
| + |
| +static void uninit() { |
| + memset(key, 0, key_len); |
| + memset(message, 0, message_len); |
| + if(key) |
| + free(key); |
| + if(message) |
| + free(message); |
| +} |
| + |
| +static void usage(void) |
| +{ |
| + fprintf(stderr, "\nKernel Crypto API SHA & HMAC\n"); |
| + fprintf(stderr, "Usage:\n"); |
| + fprintf(stderr, "\t-k \tKey (hmac required option)\n"); |
| + fprintf(stderr, "\t-n \tDigest name such as sha1, sha224, sha256 sha512\n"); |
| + fprintf(stderr, "\t \thmac-sha1 hmac-sha224 hmac-sha256 hmac-sha384 hmac-sha512\n"); |
| + fprintf(stderr, "\t-m \tmessage(require option))\n"); |
| + fprintf(stderr, "\t-e \tempty message \n"); |
| + fprintf(stderr, "\t-l \toutput len(require option))\n"); |
| + fprintf(stderr, "\t\t\t\tnotation\n"); |
| + fprintf(stderr, "\t-h --help\t\tThis help information\n"); |
| + |
| + uninit(); |
| + exit(1); |
| +} |
| + |
| +static int check_type(char* name) { |
| + int i = 0; |
| + |
| + for(i = 0; i < 5; i++) { |
| + if(!strncmp(name, msg_digest[i].name, strlen(name))) { |
| + type_index = i; |
| + return TYPE_SHA; |
| + } |
| + } |
| + |
| + for(i = 0; i < 5; i++) { |
| + if(!strncmp(name, key_msg_digest[i].name, strlen(name))) { |
| + type_index = i; |
| + return TYPE_HMAC; |
| + } |
| + } |
| + |
| + return TYPE_HMAC + 1; |
| +} |
| + |
| +static int parse_opts(int argc, char *argv[], size_t *outlen) |
| +{ |
| + int c = 0; |
| + size_t len = 0; |
| + |
| + while (1) { |
| + int opt_index = 0; |
| + static struct option opts[] = { |
| + {"key", required_argument, 0, 'k'}, |
| + {"name", required_argument, 0, 'n'}, |
| + {"message", required_argument, 0, 'm'}, |
| + {"len", required_argument, 0, 'l'}, |
| + {"help", required_argument, 0, 'h'}, |
| + {"empty", required_argument, 0, 'e'}, |
| + {0, 0, 0, 0} |
| + }; |
| + c = getopt_long(argc, argv, "k:n:m:l:he", opts, &opt_index); |
| + if (-1 == c) |
| + break; |
| + switch (c) { |
| + case 0: |
| + switch (opt_index) { |
| + case 0: |
| + key = hextobin(optarg, &key_len); |
| + break; |
| + case 1: |
| + name = optarg; |
| + type = check_type(name); |
| + if(type > TYPE_HMAC){ |
| + usage(); |
| + return -EINVAL; |
| + } |
| + |
| + break; |
| + case 2: |
| + message = hextobin(optarg, &message_len); |
| + break; |
| + case 3: |
| + len = strtoul(optarg, NULL, 10); |
| + if (len == ULONG_MAX) { |
| + usage(); |
| + return -EINVAL; |
| + } |
| + break; |
| + default: |
| + usage(); |
| + } |
| + break; |
| + case 'k': |
| + key = hextobin(optarg, &key_len); |
| + break; |
| + case 'n': |
| + name = optarg; |
| + type = check_type(name); |
| + if(type > TYPE_HMAC){ |
| + usage(); |
| + return -EINVAL; |
| + } |
| + break; |
| + case 'm': |
| + message = hextobin(optarg, &message_len); |
| + break; |
| + case 'l': |
| + len = strtoul(optarg, NULL, 10); |
| + if (len == ULONG_MAX) { |
| + usage(); |
| + return -EINVAL; |
| + } |
| + break; |
| + case 'e': |
| + empty = 1; |
| + break; |
| + default: |
| + usage(); |
| + } |
| + } |
| + |
| + if(type == TYPE_HMAC) |
| + if(!key) |
| + usage(); |
| + if (!name || !message || !len) |
| + usage(); |
| + |
| + *outlen = (size_t)len; |
| + return 0; |
| +} |
| + |
| +static void print(unsigned char *out, int outlen) { |
| + int i = 0; |
| + |
| + for(i = 0; i < outlen; i++) |
| + printf("%02x", out[i]); |
| + printf("\n"); |
| +} |
| + |
| +int main(int argc, char *argv[]) |
| +{ |
| + size_t outlen = 0; |
| + ssize_t ret = 0; |
| + unsigned char *out = NULL; |
| + |
| + ret = parse_opts(argc, argv, &outlen); |
| + if (ret) |
| + return (int)ret; |
| + |
| + out = (unsigned char*)malloc(outlen); |
| + if (type == TYPE_SHA) { |
| + if (empty) |
| + ret = msg_digest[type_index].fun(message, 0, out, outlen); |
| + else |
| + ret = msg_digest[type_index].fun(message, message_len, out, outlen); |
| + } else if (type == TYPE_HMAC){ |
| + if(empty) |
| + ret = key_msg_digest[type_index].fun(key, key_len, message, 0, |
| + out, outlen); |
| + else |
| + ret = key_msg_digest[type_index].fun(key, key_len, message, message_len, |
| + out, outlen); |
| + } |
| + if(ret < 0) |
| + goto out; |
| + print(out, outlen); |
| + |
| +out: |
| + uninit(); |
| + if(out) |
| + free(out); |
| + return (int)ret; |
| +} |