summaryrefslogtreecommitdiff
path: root/test/openssl/test_pkey_dsa.rb
blob: 9c29c034d06aa9112dc7c60a39fc21a6eb6f0c0f (plain)
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
# frozen_string_literal: false
require_relative 'utils'
require 'base64'

if defined?(OpenSSL::TestUtils)

class OpenSSL::TestPKeyDSA < OpenSSL::TestCase
  def test_private
    key = OpenSSL::PKey::DSA.new(256)
    assert(key.private?)
    key2 = OpenSSL::PKey::DSA.new(key.to_der)
    assert(key2.private?)
    key3 = key.public_key
    assert(!key3.private?)
    key4 = OpenSSL::PKey::DSA.new(key3.to_der)
    assert(!key4.private?)
  end

  def test_new
    key = OpenSSL::PKey::DSA.new 256
    pem  = key.public_key.to_pem
    OpenSSL::PKey::DSA.new pem
  end

  def test_new_break
    assert_nil(OpenSSL::PKey::DSA.new(512) { break })
    assert_raise(RuntimeError) do
      OpenSSL::PKey::DSA.new(512) { raise }
    end
  end

  def test_sys_sign_verify
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    data = 'Sign me!'
    digest = OpenSSL::Digest::SHA1.digest(data)
    sig = key.syssign(digest)
    assert(key.sysverify(digest, sig))
  end

  def test_sign_verify
    check_sign_verify(OpenSSL::Digest::DSS1.new)
  end if defined?(OpenSSL::Digest::DSS1)

if (OpenSSL::OPENSSL_VERSION_NUMBER > 0x10000000)
  def test_sign_verify_sha1
    check_sign_verify(OpenSSL::Digest::SHA1.new)
  end

  def test_sign_verify_sha256
    check_sign_verify(OpenSSL::Digest::SHA256.new)
  end
end

  def test_digest_state_irrelevant_verify
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    digest1 = OpenSSL::TestUtils::DSA_SIGNATURE_DIGEST.new
    digest2 = OpenSSL::TestUtils::DSA_SIGNATURE_DIGEST.new
    data = 'Sign me!'
    sig = key.sign(digest1, data)
    digest1.reset
    digest1 << 'Change state of digest1'
    assert(key.verify(digest1, sig, data))
    assert(key.verify(digest2, sig, data))
  end

  def test_read_DSA_PUBKEY
    p = 7188211954100152441468596248707152960171255279130004340103875772401008316444412091945435731597638374542374929457672178957081124632837356913990200866056699
    q = 957032439192465935099784319494405376402293318491
    g = 122928973717064636255205666162891733518376475981809749897454444301389338825906076467196186192907631719698166056821519884939865041993585844526937010746285
    y = 1235756183583465414789073313502727057075641172514181938731172021825149551960029708596057102104063395063907739571546165975727369183495540798749742124846271
    algo = OpenSSL::ASN1::ObjectId.new('DSA')
    params = OpenSSL::ASN1::Sequence.new([OpenSSL::ASN1::Integer.new(p),
                                          OpenSSL::ASN1::Integer.new(q),
                                          OpenSSL::ASN1::Integer.new(g)])
    algo_id = OpenSSL::ASN1::Sequence.new ([algo, params])
    pub_key = OpenSSL::ASN1::Integer.new(y)
    seq = OpenSSL::ASN1::Sequence.new([algo_id, OpenSSL::ASN1::BitString.new(pub_key.to_der)])
    key = OpenSSL::PKey::DSA.new(seq.to_der)
    assert(key.public?)
    assert(!key.private?)
    assert_equal(p, key.p)
    assert_equal(q, key.q)
    assert_equal(g, key.g)
    assert_equal(y, key.pub_key)
    assert_equal(nil, key.priv_key)
  end

  def test_read_DSAPublicKey_pem
    p = 12260055936871293565827712385212529106400444521449663325576634579961635627321079536132296996623400607469624537382977152381984332395192110731059176842635699
    q = 979494906553787301107832405790107343409973851677
    g = 3731695366899846297271147240305742456317979984190506040697507048095553842519347835107669437969086119948785140453492839427038591924536131566350847469993845
    y = 10505239074982761504240823422422813362721498896040719759460296306305851824586095328615844661273887569281276387605297130014564808567159023649684010036304695
    pem = <<-EOF
-----BEGIN DSA PUBLIC KEY-----
MIHfAkEAyJSJ+g+P/knVcgDwwTzC7Pwg/pWs2EMd/r+lYlXhNfzg0biuXRul8VR4
VUC/phySExY0PdcqItkR/xYAYNMbNwJBAOoV57X0FxKO/PrNa/MkoWzkCKV/hzhE
p0zbFdsicw+hIjJ7S6Sd/FlDlo89HQZ2FuvWJ6wGLM1j00r39+F2qbMCFQCrkhIX
SG+is37hz1IaBeEudjB2HQJAR0AloavBvtsng8obsjLb7EKnB+pSeHr/BdIQ3VH7
fWLOqqkzFeRrYMDzUpl36XktY6Yq8EJYlW9pCMmBVNy/dQ==
-----END DSA PUBLIC KEY-----
    EOF
    key = OpenSSL::PKey::DSA.new(pem)
    assert(key.public?)
    assert(!key.private?)
    assert_equal(p, key.p)
    assert_equal(q, key.q)
    assert_equal(g, key.g)
    assert_equal(y, key.pub_key)
    assert_equal(nil, key.priv_key)
  end

  def test_read_DSA_PUBKEY_pem
    p = 12260055936871293565827712385212529106400444521449663325576634579961635627321079536132296996623400607469624537382977152381984332395192110731059176842635699
    q = 979494906553787301107832405790107343409973851677
    g = 3731695366899846297271147240305742456317979984190506040697507048095553842519347835107669437969086119948785140453492839427038591924536131566350847469993845
    y = 10505239074982761504240823422422813362721498896040719759460296306305851824586095328615844661273887569281276387605297130014564808567159023649684010036304695
    pem = <<-EOF
-----BEGIN PUBLIC KEY-----
MIHxMIGoBgcqhkjOOAQBMIGcAkEA6hXntfQXEo78+s1r8yShbOQIpX+HOESnTNsV
2yJzD6EiMntLpJ38WUOWjz0dBnYW69YnrAYszWPTSvf34XapswIVAKuSEhdIb6Kz
fuHPUhoF4S52MHYdAkBHQCWhq8G+2yeDyhuyMtvsQqcH6lJ4ev8F0hDdUft9Ys6q
qTMV5GtgwPNSmXfpeS1jpirwQliVb2kIyYFU3L91A0QAAkEAyJSJ+g+P/knVcgDw
wTzC7Pwg/pWs2EMd/r+lYlXhNfzg0biuXRul8VR4VUC/phySExY0PdcqItkR/xYA
YNMbNw==
-----END PUBLIC KEY-----
    EOF
    key = OpenSSL::PKey::DSA.new(pem)
    assert(key.public?)
    assert(!key.private?)
    assert_equal(p, key.p)
    assert_equal(q, key.q)
    assert_equal(g, key.g)
    assert_equal(y, key.pub_key)
    assert_equal(nil, key.priv_key)
  end

  def test_export_format_is_DSA_PUBKEY_pem
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    pem = key.public_key.to_pem
    pem.gsub!(/^-+(\w|\s)+-+$/, "") # eliminate --------BEGIN...-------
    asn1 = OpenSSL::ASN1.decode(Base64.decode64(pem))
    assert_equal(OpenSSL::ASN1::SEQUENCE, asn1.tag)
    assert_equal(2, asn1.value.size)
    seq = asn1.value
    assert_equal(OpenSSL::ASN1::SEQUENCE, seq[0].tag)
    assert_equal(2, seq[0].value.size)
    algo_id = seq[0].value
    assert_equal(OpenSSL::ASN1::OBJECT, algo_id[0].tag)
    assert_equal('DSA', algo_id[0].value)
    assert_equal(OpenSSL::ASN1::SEQUENCE, algo_id[1].tag)
    assert_equal(3, algo_id[1].value.size)
    params = algo_id[1].value
    assert_equal(OpenSSL::ASN1::INTEGER, params[0].tag)
    assert_equal(key.p, params[0].value)
    assert_equal(OpenSSL::ASN1::INTEGER, params[1].tag)
    assert_equal(key.q, params[1].value)
    assert_equal(OpenSSL::ASN1::INTEGER, params[2].tag)
    assert_equal(key.g, params[2].value)
    assert_equal(OpenSSL::ASN1::BIT_STRING, seq[1].tag)
    assert_equal(0, seq[1].unused_bits)
    pub_key = OpenSSL::ASN1.decode(seq[1].value)
    assert_equal(OpenSSL::ASN1::INTEGER, pub_key.tag)
    assert_equal(key.pub_key, pub_key.value)
  end

  def test_read_private_key_der
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    der = key.to_der
    key2 = OpenSSL::PKey.read(der)
    assert(key2.private?)
    assert_equal(der, key2.to_der)
  end

  def test_read_private_key_pem
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    pem = key.to_pem
    key2 = OpenSSL::PKey.read(pem)
    assert(key2.private?)
    assert_equal(pem, key2.to_pem)
  end

  def test_read_public_key_der
    key = OpenSSL::TestUtils::TEST_KEY_DSA256.public_key
    der = key.to_der
    key2 = OpenSSL::PKey.read(der)
    assert(!key2.private?)
    assert_equal(der, key2.to_der)
  end

  def test_read_public_key_pem
    key = OpenSSL::TestUtils::TEST_KEY_DSA256.public_key
    pem = key.to_pem
    key2 = OpenSSL::PKey.read(pem)
    assert(!key2.private?)
    assert_equal(pem, key2.to_pem)
  end

  def test_read_private_key_pem_pw
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    pem = key.to_pem(OpenSSL::Cipher.new('AES-128-CBC'), 'secret')
    #callback form for password
    key2 = OpenSSL::PKey.read(pem) do
      'secret'
    end
    assert(key2.private?)
    # pass password directly
    key2 = OpenSSL::PKey.read(pem, 'secret')
    assert(key2.private?)
    #omit pem equality check, will be different due to cipher iv
  end

  def test_export_password_length
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    assert_raise(OpenSSL::OpenSSLError) do
      key.export(OpenSSL::Cipher.new('AES-128-CBC'), 'sec')
    end
    pem = key.export(OpenSSL::Cipher.new('AES-128-CBC'), 'secr')
    assert(pem)
  end

  def test_export_password_funny
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    pem = key.export(OpenSSL::Cipher.new('AES-128-CBC'), "pass\0wd")
    assert_raise(ArgumentError) do
      OpenSSL::PKey.read(pem, "pass")
    end
    key2 = OpenSSL::PKey.read(pem, "pass\0wd")
    assert(key2.private?)
    key3 = OpenSSL::PKey::DSA.new(pem, "pass\0wd")
    assert(key3.private?)
  end

  def test_dup
    key = OpenSSL::PKey::DSA.new(256)
    key2 = key.dup
    assert_equal key.params, key2.params
    key2.set_pqg(key2.p + 1, key2.q, key2.g)
    assert_not_equal key.params, key2.params
  end

  private

  def check_sign_verify(digest)
    key = OpenSSL::TestUtils::TEST_KEY_DSA256
    data = 'Sign me!'
    sig = key.sign(digest, data)
    assert(key.verify(digest, sig, data))
  end
end

end