X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fhash.c;h=722c40b3f33044bb1680643c47b236308cf1dd2b;hb=13194f3b5f51d104bdfdd7ff5a7556136b6dc35c;hp=c9ac33e2c40ac3d48c4db79f323b0ed645a27274;hpb=8dc16cf9dd6196d99969d12741df186a61a2f9a3;p=u-boot

diff --git a/common/hash.c b/common/hash.c
index c9ac33e2c4..722c40b3f3 100644
--- a/common/hash.c
+++ b/common/hash.c
@@ -7,20 +7,7 @@
  * (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>
@@ -30,6 +17,7 @@
 #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
@@ -238,6 +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[])
 {