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tools: loop on error in keyctl-proxy

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This commit is contained in:
Pavol Rusnak 2018-01-29 15:28:17 +01:00
parent 81ff60c3e1
commit 132660c378
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 20 additions and 9 deletions
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25
tools/keyctl-proxy
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@ -30,26 +30,37 @@ def get_path(index):
@Pyro4.expose @Pyro4.expose
class KeyctlProxy(object): class KeyctlProxy(object):
def __init__(self):
super(KeyctlProxy, self).__init__()
def get_commit(self, index, digest): def get_commit(self, index, digest):
digest = serpent.tobytes(digest) digest = serpent.tobytes(digest)
t = get_trezor()
path = get_path(index) path = get_path(index)
print('commiting to hash %s with path %s' % (binascii.hexlify(digest).decode(), path)) commit = None
while commit is None:
try:
t = get_trezor()
print('\n\n\nCommiting to hash %s with path %s:' % (binascii.hexlify(digest).decode(), path))
commit = t.cosi_commit(t.expand_path(path), digest) commit = t.cosi_commit(t.expand_path(path), digest)
except Exception as e:
print(e)
print('Trying again ...')
pk = commit.pubkey pk = commit.pubkey
R = commit.commitment R = commit.commitment
print('Commitment sent!')
return (pk, R) return (pk, R)
def get_signature(self, index, digest, global_R, global_pk): def get_signature(self, index, digest, global_R, global_pk):
digest, global_R, global_pk = serpent.tobytes(digest), serpent.tobytes(global_R), serpent.tobytes(global_pk) digest, global_R, global_pk = serpent.tobytes(digest), serpent.tobytes(global_R), serpent.tobytes(global_pk)
t = get_trezor()
path = get_path(index) path = get_path(index)
print('signing hash %s with path %s' % (binascii.hexlify(digest).decode(), path)) signature = None
while signature is None:
try:
t = get_trezor()
print('\n\n\nSigning hash %s with path %s:' % (binascii.hexlify(digest).decode(), path))
signature = t.cosi_sign(t.expand_path(path), digest, global_R, global_pk) signature = t.cosi_sign(t.expand_path(path), digest, global_R, global_pk)
except Exception as e:
print(e)
print('Trying again ...')
sig = signature.signature sig = signature.signature
print('Signature sent!')
return sig return sig