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
175
176
177
178
179
180
181
182
|
require_relative 'utils'
if defined?(OpenSSL::PKey::EC)
class OpenSSL::TestEC < Test::Unit::TestCase
def setup
@data1 = 'foo'
@data2 = 'bar' * 1000 # data too long for DSA sig
@group1 = OpenSSL::PKey::EC::Group.new('secp112r1')
@group2 = OpenSSL::PKey::EC::Group.new('sect163k1')
@group3 = OpenSSL::PKey::EC::Group.new('prime256v1')
@key1 = OpenSSL::PKey::EC.new
@key1.group = @group1
@key1.generate_key
@key2 = OpenSSL::PKey::EC.new(@group2.curve_name)
@key2.generate_key
@key3 = OpenSSL::PKey::EC.new(@group3)
@key3.generate_key
@groups = [@group1, @group2, @group3]
@keys = [@key1, @key2, @key3]
end
def compare_keys(k1, k2)
assert_equal(k1.to_pem, k2.to_pem)
end
def test_curve_names
@groups.each_with_index do |group, idx|
key = @keys[idx]
assert_equal(group.curve_name, key.group.curve_name)
end
end
def test_check_key
for key in @keys
assert_equal(key.check_key, true)
assert_equal(key.private_key?, true)
assert_equal(key.public_key?, true)
end
end
def test_encoding
for group in @groups
for meth in [:to_der, :to_pem]
txt = group.send(meth)
gr = OpenSSL::PKey::EC::Group.new(txt)
assert_equal(txt, gr.send(meth))
assert_equal(group.generator.to_bn, gr.generator.to_bn)
assert_equal(group.cofactor, gr.cofactor)
assert_equal(group.order, gr.order)
assert_equal(group.seed, gr.seed)
assert_equal(group.degree, gr.degree)
end
end
for key in @keys
group = key.group
for meth in [:to_der, :to_pem]
txt = key.send(meth)
assert_equal(txt, OpenSSL::PKey::EC.new(txt).send(meth))
end
bn = key.public_key.to_bn
assert_equal(bn, OpenSSL::PKey::EC::Point.new(group, bn).to_bn)
end
end
def test_set_keys
for key in @keys
k = OpenSSL::PKey::EC.new
k.group = key.group
k.private_key = key.private_key
k.public_key = key.public_key
compare_keys(key, k)
end
end
def test_dsa_sign_verify
for key in @keys
sig = key.dsa_sign_asn1(@data1)
assert(key.dsa_verify_asn1(@data1, sig))
end
end
def test_dsa_sign_asn1_FIPS186_3
for key in @keys
size = key.group.order.num_bits / 8 + 1
dgst = (1..size).to_a.pack('C*')
begin
sig = key.dsa_sign_asn1(dgst)
# dgst is auto-truncated according to FIPS186-3 after openssl-0.9.8m
assert(key.dsa_verify_asn1(dgst + "garbage", sig))
rescue OpenSSL::PKey::ECError => e
# just an exception for longer dgst before openssl-0.9.8m
assert_equal('ECDSA_sign: data too large for key size', e.message)
# no need to do following tests
return
end
end
end
def test_dh_compute_key
for key in @keys
k = OpenSSL::PKey::EC.new(key.group)
k.generate_key
puba = key.public_key
pubb = k.public_key
a = key.dh_compute_key(pubb)
b = k.dh_compute_key(puba)
assert_equal(a, b)
end
end
def test_read_private_key_der
ec = OpenSSL::TestUtils::TEST_KEY_EC_P256V1
der = ec.to_der
ec2 = OpenSSL::PKey.read(der)
assert(ec2.private_key?)
assert_equal(der, ec2.to_der)
assert_equal([], OpenSSL.errors)
end
def test_read_private_key_pem
ec = OpenSSL::TestUtils::TEST_KEY_EC_P256V1
pem = ec.to_pem
ec2 = OpenSSL::PKey.read(pem)
assert(ec2.private_key?)
assert_equal(pem, ec2.to_pem)
assert_equal([], OpenSSL.errors)
end
def test_read_public_key_der
ec = OpenSSL::TestUtils::TEST_KEY_EC_P256V1
ec2 = OpenSSL::PKey::EC.new(ec.group)
ec2.public_key = ec.public_key
der = ec2.to_der
ec3 = OpenSSL::PKey.read(der)
assert(!ec3.private_key?)
assert_equal(der, ec3.to_der)
assert_equal([], OpenSSL.errors)
end
def test_read_public_key_pem
ec = OpenSSL::TestUtils::TEST_KEY_EC_P256V1
ec2 = OpenSSL::PKey::EC.new(ec.group)
ec2.public_key = ec.public_key
pem = ec2.to_pem
ec3 = OpenSSL::PKey.read(pem)
assert(!ec3.private_key?)
assert_equal(pem, ec3.to_pem)
assert_equal([], OpenSSL.errors)
end
def test_read_private_key_pem_pw
ec = OpenSSL::TestUtils::TEST_KEY_EC_P256V1
pem = ec.to_pem(OpenSSL::Cipher.new('AES-128-CBC'), 'secret')
#callback form for password
ec2 = OpenSSL::PKey.read(pem) do
'secret'
end
assert(ec2.private_key?)
# pass password directly
ec2 = OpenSSL::PKey.read(pem, 'secret')
assert(ec2.private_key?)
#omit pem equality check, will be different due to cipher iv
assert_equal([], OpenSSL.errors)
end
# test Group: asn1_flag, point_conversion
end
end
|
