]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/md5sum.c
3 * Joe Hershberger, National Instruments, joe.hershberger@ni.com
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 * SPDX-License-Identifier: GPL-2.0+
14 #include <u-boot/md5.h>
18 * Store the resulting sum to an address or variable
20 static void store_result(const u8
*sum
, const char *dest
)
27 ptr
= (u8
*)simple_strtoul(dest
+ 1, NULL
, 16);
28 for (i
= 0; i
< 16; i
++)
32 char *str_ptr
= str_output
;
34 for (i
= 0; i
< 16; i
++) {
35 sprintf(str_ptr
, "%02x", sum
[i
]);
38 env_set(dest
, str_output
);
42 #ifdef CONFIG_MD5SUM_VERIFY
43 static int parse_verify_sum(char *verify_str
, u8
*vsum
)
45 if (*verify_str
== '*') {
48 ptr
= (u8
*)simple_strtoul(verify_str
+ 1, NULL
, 16);
49 memcpy(vsum
, ptr
, 16);
54 if (strlen(verify_str
) == 32)
55 vsum_str
= verify_str
;
57 vsum_str
= env_get(verify_str
);
58 if (vsum_str
== NULL
|| strlen(vsum_str
) != 32)
62 for (i
= 0; i
< 16; i
++) {
63 char *nullp
= vsum_str
+ (i
+ 1) * 2;
68 simple_strtoul(vsum_str
+ (i
* 2), NULL
, 16);
75 int do_md5sum(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
91 if (strcmp(*av
, "-v") == 0) {
99 addr
= simple_strtoul(*av
++, NULL
, 16);
100 len
= simple_strtoul(*av
++, NULL
, 16);
102 buf
= map_sysmem(addr
, len
);
103 md5_wd(buf
, len
, output
, CHUNKSZ_MD5
);
107 printf("md5 for %08lx ... %08lx ==> ", addr
, addr
+ len
- 1);
108 for (i
= 0; i
< 16; i
++)
109 printf("%02x", output
[i
]);
113 store_result(output
, *av
);
115 char *verify_str
= *av
++;
117 if (parse_verify_sum(verify_str
, vsum
)) {
118 printf("ERROR: %s does not contain a valid md5 sum\n",
122 if (memcmp(output
, vsum
, 16) != 0) {
123 printf("md5 for %08lx ... %08lx ==> ", addr
,
125 for (i
= 0; i
< 16; i
++)
126 printf("%02x", output
[i
]);
128 for (i
= 0; i
< 16; i
++)
129 printf("%02x", vsum
[i
]);
130 printf(" ** ERROR **\n");
138 static int do_md5sum(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
140 unsigned long addr
, len
;
146 return CMD_RET_USAGE
;
148 addr
= simple_strtoul(argv
[1], NULL
, 16);
149 len
= simple_strtoul(argv
[2], NULL
, 16);
151 buf
= map_sysmem(addr
, len
);
152 md5_wd(buf
, len
, output
, CHUNKSZ_MD5
);
155 printf("md5 for %08lx ... %08lx ==> ", addr
, addr
+ len
- 1);
156 for (i
= 0; i
< 16; i
++)
157 printf("%02x", output
[i
]);
161 store_result(output
, argv
[3]);
167 #ifdef CONFIG_MD5SUM_VERIFY
169 md5sum
, 5, 1, do_md5sum
,
170 "compute MD5 message digest",
171 "address count [[*]sum]\n"
172 " - compute MD5 message digest [save to sum]\n"
173 "md5sum -v address count [*]sum\n"
174 " - verify md5sum of memory area"
178 md5sum
, 4, 1, do_md5sum
,
179 "compute MD5 message digest",
180 "address count [[*]sum]\n"
181 " - compute MD5 message digest [save to sum]"