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Add OTP command to Pico HSM Tool.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2024-10-15 22:12:34 +02:00
parent 812a737ff5
commit 2b77519a3b
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GPG key ID: C0095B7870A4CCD3
1 changed files with 19 additions and 3 deletions
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22
tools/pico-hsm-tool.py
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@ -135,10 +135,15 @@ def parse_args():
parser_keygen = subparser.add_parser('keygen', help='Generates private keypair or secret key.') parser_keygen = subparser.add_parser('keygen', help='Generates private keypair or secret key.')
subparser_keygen = parser_keygen.add_subparsers(title='commands', dest='subcommand', required=True) subparser_keygen = parser_keygen.add_subparsers(title='commands', dest='subcommand', required=True)
parser_keygen_aes = subparser_keygen.add_parser('aes', help='Generates an AES key.') parser_keygen_aes = subparser_keygen.add_parser('aes', help='Generates an AES key.')
parser_keygen_aes.add_argument('--size', help='Specifies the size of AES key [128, 192 or 256]',choices=[128, 192, 256], default=128, type=int) parser_keygen_aes.add_argument('--size', help='Specifies the size of AES key [128, 192 or 256]', choices=[128, 192, 256], default=128, type=int)
parser_keygen_x25519 = subparser_keygen.add_parser('x25519', help='Generates a private X25519 keypair.') parser_keygen_x25519 = subparser_keygen.add_parser('x25519', help='Generates a private X25519 keypair.')
parser_keygen_x448 = subparser_keygen.add_parser('x448', help='Generates a private X448 keypair.') parser_keygen_x448 = subparser_keygen.add_parser('x448', help='Generates a private X448 keypair.')
parser_otp = subparser.add_parser('otp', help='Read/write OTP values.')
parser_otp.add_argument('subcommand', choices=['read', 'write'], help='Read/write.', nargs='?')
parser_otp.add_argument('--row', help='OTP row (in HEX)', required=True)
parser_otp.add_argument('-d', '--data', help='Data to write (in HEX) [e.g. 0011223344556677889900AABBCCDDEEFF]', required='write' in sys.argv)
args = parser.parse_args() args = parser.parse_args()
return args return args
@ -480,8 +485,18 @@ def phy(picohsm, args):
else: else:
print('Command executed successfully. Please, restart your Pico Key.') print('Command executed successfully. Please, restart your Pico Key.')
def otp(picohsm, args):
row = int(args.row, 16)
if (args.subcommand == 'read'):
ret = picohsm.otp(row=row)
print(f'OTP row {args.row}: {hexlify(ret).decode()}')
elif (args.subcommand == 'write'):
data = unhexlify(args.data)
picohsm.otp(row=row, data=data)
print(f'OTP row {args.row} written successfully.')
def main(args): def main(args):
sys.stderr.buffer.write(b'Pico HSM Tool v1.16\n') sys.stderr.buffer.write(b'Pico HSM Tool v1.18\n')
sys.stderr.buffer.write(b'Author: Pol Henarejos\n') sys.stderr.buffer.write(b'Author: Pol Henarejos\n')
sys.stderr.buffer.write(b'Report bugs to https://github.com/polhenarejos/pico-hsm/issues\n') sys.stderr.buffer.write(b'Report bugs to https://github.com/polhenarejos/pico-hsm/issues\n')
sys.stderr.buffer.write(b'\n\n') sys.stderr.buffer.write(b'\n\n')
@ -508,7 +523,8 @@ def main(args):
keygen(picohsm, args) keygen(picohsm, args)
elif (args.command == 'phy'): elif (args.command == 'phy'):
phy(picohsm, args) phy(picohsm, args)
elif (args.command == 'otp'):
otp(picohsm, args)
def run(): def run():
args = parse_args() args = parse_args()