1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
# Initial test script using py11. About 2/3 testing PKCS #11, 1/3
# doodles figuring out what else py11 should be automating for us.
from cryptech.py11 import *
from struct import pack, unpack
from binascii import hexlify, unhexlify
def show_token(i, t, strip = True):
print("Token in slot #%d:" % i)
fw = max(len(fn) for fn, ft in t.__class__._fields_)
for fn, ft in t.__class__._fields_:
fv = getattr(t, fn)
fn = "%-*s :" % (fw, fn)
if isinstance(fv, CK_VERSION):
print(" ", fn, "%d.%d" % (fv.major, fv.minor))
elif isinstance(fv, int):
print(" ", fn, fv)
else:
print(" ", fn, repr(str(fv).rstrip(" ") if strip else str(fv)))
def genkeypair_templates(name = "foo", **kwargs):
label_id = ((CKA_LABEL, name), (CKA_ID, name))
return (
# Public template
label_id + tuple(kwargs.items()) +
((CKA_VERIFY, True),
(CKA_ENCRYPT, False),
(CKA_WRAP, False),
(CKA_TOKEN, False)),
# Private template
label_id +
((CKA_SIGN, True),
(CKA_DECRYPT, False),
(CKA_UNWRAP, False),
(CKA_SENSITIVE, True),
(CKA_TOKEN, False),
(CKA_PRIVATE, True),
(CKA_EXTRACTABLE, False)))
def show_keys(session, key_class, *attributes):
p11.C_FindObjectsInit(session, {CKA_CLASS: key_class})
for o in p11.C_FindObjects(session):
a = p11.C_GetAttributeValue(session, o, attributes + (CKA_CLASS, CKA_KEY_TYPE, CKA_LABEL, CKA_ID, CKA_TOKEN,
CKA_PRIVATE, CKA_LOCAL, CKA_KEY_GEN_MECHANISM))
w = max(len(p11.adb.attribute_name(k)) for k in a)
print("Object:", o)
for k, v in a.items():
print(" %*s (0x%08x): %r" % (w, p11.adb.attribute_name(k), k, v))
p11.C_FindObjectsFinal(session)
def build_ecpoint(x, y):
h = (max(x.bit_length(), y.bit_length()) + 15) / 16
d = b"\04" + unhexlify("%0*x%0*x" % (h, x, h, y))
if len(d) < 128:
h = b"%c%c" % (0x04, len(d))
else:
n = len(d).bit_length()
h = (b"%c%c" % (0x04, (n + 7) / 8)) + unhexlify("%0*x" % ((n + 15) / 16, len(d)))
return h + d
ec_curve_oid_p256 = b"\x06\x08\x2a\x86\x48\xce\x3d\x03\x01\x07"
ec_curve_oid_p384 = b"\x06\x05\x2b\x81\x04\x00\x22"
ec_curve_oid_p521 = b"\x06\x05\x2b\x81\x04\x00\x23"
p11 = PKCS11("./libcryptech-pkcs11.so")
if False:
print("Not using MUTEXes at all")
p11.C_Initialize()
elif False:
print("Using OS MUTEXes")
p11.C_Initialize(CKF_OS_LOCKING_OK)
else:
print("Using our own pseudo-MUTEXes")
from cryptech.py11.mutex import MutexDB
mdb = MutexDB()
p11.C_Initialize(0, mdb.create, mdb.destroy, mdb.lock, mdb.unlock)
slots = p11.C_GetSlotList()
print()
print("Listing slots and tokens")
for i in slots:
show_token(i, p11.C_GetTokenInfo(i))
slot = slots[0]
print()
print("Generating some random data")
session = p11.C_OpenSession(slot)
random = p11.C_GenerateRandom(session, 33)
print(len(random), hexlify(random))
print()
print("Logging in")
p11.C_Login(session, CKU_USER, "fnord")
if False:
print()
print("Generating RSA keypair")
rsa_templates = genkeypair_templates("RSA", CKA_MODULUS_BITS = 1024)
rsa_keypair = p11.C_GenerateKeyPair(session, CKM_RSA_PKCS_KEY_PAIR_GEN, rsa_templates[0], rsa_templates[1])
print(rsa_keypair)
print()
print("Generating EC P256 keypair")
ec_templates = genkeypair_templates("EC-P256", CKA_EC_PARAMS = ec_curve_oid_p256)
ec_p256_keypair = p11.C_GenerateKeyPair(session, CKM_EC_KEY_PAIR_GEN, ec_templates[0], ec_templates[1])
print(ec_p256_keypair)
print()
print("Generating EC P384 keypair")
ec_templates = genkeypair_templates("EC-P384", CKA_EC_PARAMS = ec_curve_oid_p384)
ec_p384_keypair = p11.C_GenerateKeyPair(session, CKM_EC_KEY_PAIR_GEN, ec_templates[0], ec_templates[1])
print(ec_p384_keypair)
print()
print("Generating EC P521 keypair")
ec_templates = genkeypair_templates("EC-P521", CKA_EC_PARAMS = ec_curve_oid_p521)
ec_p521_keypair = p11.C_GenerateKeyPair(session, CKM_EC_KEY_PAIR_GEN, ec_templates[0], ec_templates[1])
print(ec_p521_keypair)
print()
print("Listing keys")
show_keys(session, CKO_PUBLIC_KEY, CKA_VERIFY, CKA_ENCRYPT, CKA_WRAP)
show_keys(session, CKO_PRIVATE_KEY, CKA_SIGN, CKA_DECRYPT, CKA_UNWRAP)
hamster = "Your mother was a hamster"
print()
print("Testing P-256 signature")
p11.C_SignInit(session, CKM_ECDSA_SHA256, ec_p256_keypair[1])
sig_p256 = p11.C_Sign(session, hamster)
print("Signature:", hexlify(sig_p256.encode))
print()
print("Testing P256 verification")
p11.C_VerifyInit(session, CKM_ECDSA_SHA256, ec_p256_keypair[0])
p11.C_Verify(session, hamster, sig_p256)
print("OK") # Verification failure throws an exception
print()
print("Testing C_CreateObject()")
handle = p11.C_CreateObject(session, dict(
CKA_CLASS = CKO_PUBLIC_KEY,
CKA_KEY_TYPE = CKK_EC,
CKA_LABEL = "EC-P-256 test case from \"Suite B Implementer's Guide to FIPS 186-3\"",
CKA_ID = "TC-P-256",
CKA_VERIFY = True,
CKA_ENCRYPT = False,
CKA_WRAP = False,
CKA_TOKEN = False,
CKA_EC_POINT = build_ecpoint(0x8101ece47464a6ead70cf69a6e2bd3d88691a3262d22cba4f7635eaff26680a8,
0xd8a12ba61d599235f67d9cb4d58f1783d3ca43e78f0a5abaa624079936c0c3a9),
CKA_EC_PARAMS = ec_curve_oid_p256))
print(handle)
print()
print("Verifying canned signature with public key installed via C_CreateObject()")
p11.C_VerifyInit(session, CKM_ECDSA, handle)
p11.C_Verify(session,
unhexlify("7c3e883ddc8bd688f96eac5e9324222c8f30f9d6bb59e9c5f020bd39ba2b8377"),
unhexlify("7214bc9647160bbd39ff2f80533f5dc6ddd70ddf86bb815661e805d5d4e6f27c") +
unhexlify("7d1ff961980f961bdaa3233b6209f4013317d3e3f9e1493592dbeaa1af2bc367"))
print("OK")
p11.C_CloseAllSessions(slot)
p11.C_Finalize()
|
