common: lcd.c: fix data abort exception when try to access bmp header

[karo-tx-uboot.git] / common / hash.c

diff --git a/common/hash.c b/common/hash.c
index 0d04c4c9a0ce381f879ba48bca2e153d6d40e4ef..872cd8542800895cd94f13d5290fd1a82c3e9cf7 100644 (file)
--- a/common/hash.c
+++ b/common/hash.c
@@ -7,34 +7,41 @@
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <command.h>
+#include <hw_sha.h>
 #include <hash.h>
 #include <sha1.h>
 #include <sha256.h>
 #include <asm/io.h>
+#include <asm/errno.h>
 
 /*
  * These are the hash algorithms we support. Chips which support accelerated
- * crypto could perhaps add named version of these algorithms here.
+ * crypto could perhaps add named version of these algorithms here. Note that
+ * algorithm names must be in lower case.
  */
 static struct hash_algo hash_algo[] = {
+       /*
+        * CONFIG_SHA_HW_ACCEL is defined if hardware acceleration is
+        * available.
+        */
+#ifdef CONFIG_SHA_HW_ACCEL
+       {
+               "sha1",
+               SHA1_SUM_LEN,
+               hw_sha1,
+               CHUNKSZ_SHA1,
+       }, {
+               "sha256",
+               SHA256_SUM_LEN,
+               hw_sha256,
+               CHUNKSZ_SHA256,
+       },
+#endif
        /*
         * This is CONFIG_CMD_SHA1SUM instead of CONFIG_SHA1 since otherwise
         * it bloats the code for boards which use SHA1 but not the 'hash'
@@ -42,7 +49,7 @@ static struct hash_algo hash_algo[] = {
         */
 #ifdef CONFIG_CMD_SHA1SUM
        {
-               "SHA1",
+               "sha1",
                SHA1_SUM_LEN,
                sha1_csum_wd,
                CHUNKSZ_SHA1,
@@ -51,7 +58,7 @@ static struct hash_algo hash_algo[] = {
 #endif
 #ifdef CONFIG_SHA256
        {
-               "SHA256",
+               "sha256",
                SHA256_SUM_LEN,
                sha256_csum_wd,
                CHUNKSZ_SHA256,
@@ -59,7 +66,7 @@ static struct hash_algo hash_algo[] = {
 #define MULTI_HASH
 #endif
        {
-               "CRC32",
+               "crc32",
                4,
                crc32_wd_buf,
                CHUNKSZ_CRC32,
@@ -202,7 +209,7 @@ static struct hash_algo *find_hash_algo(const char *name)
        int i;
 
        for (i = 0; i < ARRAY_SIZE(hash_algo); i++) {
-               if (!strcasecmp(name, hash_algo[i].name))
+               if (!strcmp(name, hash_algo[i].name))
                        return &hash_algo[i];
        }
 
@@ -219,6 +226,28 @@ static void show_hash(struct hash_algo *algo, ulong addr, ulong len,
                printf("%02x", output[i]);
 }
 
+int hash_block(const char *algo_name, const void *data, unsigned int len,
+              uint8_t *output, int *output_size)
+{
+       struct hash_algo *algo;
+
+       algo = find_hash_algo(algo_name);
+       if (!algo) {
+               debug("Unknown hash algorithm '%s'\n", algo_name);
+               return -EPROTONOSUPPORT;
+       }
+       if (output_size && *output_size < algo->digest_size) {
+               debug("Output buffer size %d too small (need %d bytes)",
+                     *output_size, algo->digest_size);
+               return -ENOSPC;
+       }
+       if (output_size)
+               *output_size = algo->digest_size;
+       algo->hash_func_ws(data, len, output, algo->chunk_size);
+
+       return 0;
+}
+
 int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
                 int argc, char * const argv[])
 {
@@ -296,8 +325,8 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
                printf("CRC32 for %08lx ... %08lx ==> %08lx\n",
                                addr, addr + len - 1, crc);
 
-               if (argc > 3) {
-                       ptr = (ulong *)simple_strtoul(argv[3], NULL, 16);
+               if (argc >= 3) {
+                       ptr = (ulong *)simple_strtoul(argv[0], NULL, 16);
                        *ptr = crc;
                }
        }