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Added support for CMAC.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2023-11-11 20:28:13 +01:00
parent d74b3418bc
commit 1c7cdc8564
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GPG Key ID: C0095B7870A4CCD3
1 changed files with 4 additions and 4 deletions
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8
tools/pico-hsm-tool.py
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@ -102,14 +102,12 @@ def parse_args():
parser_cipher_encrypt = subparser_cipher.add_parser('encrypt', help='Performs encryption.')
parser_cipher_decrypt = subparser_cipher.add_parser('decrypt', help='Performs decryption.')
parser_cipher_keygen = subparser_cipher.add_parser('keygen', help='Generates new AES key.')
parser_cipher_hmac = subparser_cipher.add_parser('hmac', help='Computes HMAC.')
parser_cipher_hmac = subparser_cipher.add_parser('mac', help='Computes MAC (HMAC or CMAC).')
parser_cipher_kdf = subparser_cipher.add_parser('kdf', help='Performs key derivation function on a secret key.')
parser_cipher_encrypt.add_argument('--alg', choices=['CHACHAPOLY'], required=True)
parser_cipher_encrypt.add_argument('--iteration', help='Iteration count.', required=any(['PBKDF2' in s for s in sys.argv]))
parser_cipher_decrypt.add_argument('--alg', choices=['CHACHAPOLY'], required=True)
parser_cipher_decrypt.add_argument('--iteration', help='Iteration count.', required=any(['PBKDF2' in s for s in sys.argv]))
parser_cipher_hmac.add_argument('--alg', choices=['HMAC-SHA1', 'HMAC-SHA224', 'HMAC-SHA256', 'HMAC-SHA384', 'HMAC-SHA512'], help='Selects the algorithm.', required=True)
parser_cipher_hmac.add_argument('--alg', choices=['CMAC', 'HMAC-SHA1', 'HMAC-SHA224', 'HMAC-SHA256', 'HMAC-SHA384', 'HMAC-SHA512'], help='Selects the algorithm.', required=True)
parser_cipher_kdf.add_argument('--alg', choices=['HKDF-SHA256', 'HKDF-SHA384', 'HKDF-SHA512', 'PBKDF2-SHA1', 'PBKDF2-SHA224', 'PBKDF2-SHA256', 'PBKDF2-SHA384', 'PBKDF2-SHA512', 'X963-SHA1', 'X963-SHA224', 'X963-SHA256', 'X963-SHA384', 'X963-SHA512'], help='Selects the algorithm.', required=True)
parser_cipher_kdf.add_argument('--output-len', help='Specifies the output length of derived material.')
parser_cipher_kdf.add_argument('--iteration', help='Iteration count.', required=any(['PBKDF2' in s for s in sys.argv]))
@ -382,6 +380,8 @@ def cipher(picohsm, args):
mode = EncryptionMode.ENCRYPT if args.subcommand[0] == 'e' else EncryptionMode.DECRYPT
if (args.alg == 'CHACHAPOLY'):
ret = picohsm.chachapoly(args.key, mode, data=enc, iv=iv, aad=aad)
elif (args.alg == 'CMAC'):
ret = picohsm.cmac(keyid=args.key, data=enc)
elif (args.alg == 'HMAC-SHA1'):
ret = picohsm.hmac(hashes.SHA1, args.key, data=enc)
elif (args.alg == 'HMAC-SHA224'):