1 files changed, 56 insertions, 0 deletions
diff --git a/cmd/cmd_hash.c b/cmd/cmd_hash.c
new file mode 100644
index 0000000000..704d21ec6d
--- /dev/null
+++ b/cmd/cmd_hash.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * (C) Copyright 2011
+ * Joe Hershberger, National Instruments, joe.hershberger@ni.com
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <hash.h>
+#include <linux/ctype.h>
+
+static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	char *s;
+	int flags = HASH_FLAG_ENV;
+
+#ifdef CONFIG_HASH_VERIFY
+	if (argc < 4)
+		return CMD_RET_USAGE;
+	if (!strcmp(argv[1], "-v")) {
+		flags |= HASH_FLAG_VERIFY;
+		argc--;
+		argv++;
+	}
+#endif
+	/* Move forward to 'algorithm' parameter */
+	argc--;
+	argv++;
+	for (s = *argv; *s; s++)
+		*s = tolower(*s);
+	return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
+}
+
+#ifdef CONFIG_HASH_VERIFY
+#define HARGS 6
+#else
+#define HARGS 5
+#endif
+
+U_BOOT_CMD(
+	hash,	HARGS,	1,	do_hash,
+	"compute hash message digest",
+	"algorithm address count [[*]hash_dest]\n"
+		"    - compute message digest [save to env var / *address]"
+#ifdef CONFIG_HASH_VERIFY
+	"\nhash -v algorithm address count [*]hash\n"
+		"    - verify message digest of memory area to immediate value, \n"
+		"      env var or *address"
+#endif
+);