Boot: add original files from MCUBoot and Zephyr project
Aligned with MCUBoot version 1.0.0
MCUBoot files:
-- bl2/ext/mcuboot
Aligned with Zephyr version 1.10.0
Zephyr files:
-- bl2/ext/mcuboot/include/util.h
-- platform/ext/target/common/flash.h
Change-Id: I314c3efa2bd2c13a4a2eaefeb5da43e53e988638
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
diff --git a/bl2/ext/mcuboot/scripts/imgtool.py b/bl2/ext/mcuboot/scripts/imgtool.py
new file mode 100644
index 0000000..bc67252
--- /dev/null
+++ b/bl2/ext/mcuboot/scripts/imgtool.py
@@ -0,0 +1,119 @@
+#! /usr/bin/env python3
+#
+# Copyright 2017 Linaro Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+from imgtool import keys
+from imgtool import image
+from imgtool import version
+import sys
+
+def gen_rsa2048(args):
+ keys.RSA2048.generate().export_private(args.key)
+def gen_ecdsa_p256(args):
+ keys.ECDSA256P1.generate().export_private(args.key)
+def gen_ecdsa_p224(args):
+ print("TODO: p-224 not yet implemented")
+
+keygens = {
+ 'rsa-2048': gen_rsa2048,
+ 'ecdsa-p256': gen_ecdsa_p256,
+ 'ecdsa-p224': gen_ecdsa_p224, }
+
+def do_keygen(args):
+ if args.type not in keygens:
+ msg = "Unexpected key type: {}".format(args.type)
+ raise argparse.ArgumentTypeError(msg)
+ keygens[args.type](args)
+
+def do_getpub(args):
+ key = keys.load(args.key)
+ if args.lang == 'c':
+ key.emit_c()
+ elif args.lang == 'rust':
+ key.emit_rust()
+ else:
+ msg = "Unsupported language, valid are: c, or rust"
+ raise argparse.ArgumentTypeError(msg)
+
+def do_sign(args):
+ if args.rsa_pkcs1_15:
+ keys.sign_rsa_pss = False
+ img = image.Image.load(args.infile, version=args.version,
+ header_size=args.header_size,
+ included_header=args.included_header,
+ pad=args.pad)
+ key = keys.load(args.key) if args.key else None
+ img.sign(key)
+
+ if args.pad:
+ img.pad_to(args.pad, args.align)
+
+ img.save(args.outfile)
+
+subcmds = {
+ 'keygen': do_keygen,
+ 'getpub': do_getpub,
+ 'sign': do_sign, }
+
+def alignment_value(text):
+ value = int(text)
+ if value not in [1, 2, 4, 8]:
+ msg = "{} must be one of 1, 2, 4 or 8".format(value)
+ raise argparse.ArgumentTypeError(msg)
+ return value
+
+def intparse(text):
+ """Parse a command line argument as an integer.
+
+ Accepts 0x and other prefixes to allow other bases to be used."""
+ return int(text, 0)
+
+def args():
+ parser = argparse.ArgumentParser()
+ subs = parser.add_subparsers(help='subcommand help', dest='subcmd')
+
+ keygenp = subs.add_parser('keygen', help='Generate pub/private keypair')
+ keygenp.add_argument('-k', '--key', metavar='filename', required=True)
+ keygenp.add_argument('-t', '--type', metavar='type',
+ choices=keygens.keys(), required=True)
+
+ getpub = subs.add_parser('getpub', help='Get public key from keypair')
+ getpub.add_argument('-k', '--key', metavar='filename', required=True)
+ getpub.add_argument('-l', '--lang', metavar='lang', default='c')
+
+ sign = subs.add_parser('sign', help='Sign an image with a private key')
+ sign.add_argument('-k', '--key', metavar='filename')
+ sign.add_argument("--align", type=alignment_value, required=True)
+ sign.add_argument("-v", "--version", type=version.decode_version, required=True)
+ sign.add_argument("-H", "--header-size", type=intparse, required=True)
+ sign.add_argument("--included-header", default=False, action='store_true',
+ help='Image has gap for header')
+ sign.add_argument("--pad", type=intparse,
+ help='Pad image to this many bytes, adding trailer magic')
+ sign.add_argument("--rsa-pkcs1-15", help='Use old PKCS#1 v1.5 signature algorithm',
+ default=False, action='store_true')
+ sign.add_argument("infile")
+ sign.add_argument("outfile")
+
+ args = parser.parse_args()
+ if args.subcmd is None:
+ print('Must specify a subcommand', file=sys.stderr)
+ sys.exit(1)
+
+ subcmds[args.subcmd](args)
+
+if __name__ == '__main__':
+ args()