Implement new swap scheme for devices with large erase size using scratch with status area
diff --git a/scripts/imgtool/main.py b/scripts/imgtool/main.py
index 6188e78..53f4d98 100755
--- a/scripts/imgtool/main.py
+++ b/scripts/imgtool/main.py
@@ -290,6 +290,9 @@
default='hash', help='In what format to add the public key to '
'the image manifest: full key or hash of the key.')
@click.option('-k', '--key', metavar='filename')
+@click.option('--use-random-iv', default=False, is_flag=True,
+ help='Use random Salt and IV (initial vectors) for the image '
+ 'encrypting scheme')
@click.command(help='''Create a signed or unsigned image\n
INFILE and OUTFILE are parsed as Intel HEX if the params have
.hex extension, otherwise binary format is used''')
@@ -297,7 +300,7 @@
pad_header, slot_size, pad, confirm, max_sectors, overwrite_only,
endian, encrypt, infile, outfile, dependencies, load_addr, hex_addr,
erased_val, save_enctlv, security_counter, boot_record, custom_tlv,
- rom_fixed):
+ rom_fixed, use_random_iv):
if confirm:
# Confirmed but non-padded images don't make much sense, because
@@ -344,7 +347,7 @@
custom_tlvs[tag] = value.encode('utf-8')
img.create(key, public_key_format, enckey, dependencies, boot_record,
- custom_tlvs)
+ custom_tlvs, use_random_iv=use_random_iv)
img.save(outfile, hex_addr)