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
|
require_relative '../../../spec_helper'
require 'openssl'
describe "OpenSSL::KDF.pbkdf2_hmac" do
before :each do
@defaults = {
salt: "\x00".b * 16,
iterations: 20_000,
length: 16,
hash: "sha1"
}
end
it "creates the same value with the same input" do
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0".b
end
it "supports nullbytes embedded in the password" do
key = OpenSSL::KDF.pbkdf2_hmac("sec\x00ret".b, **@defaults)
key.should == "\xB9\x7F\xB0\xC2\th\xC8<\x86\xF3\x94Ij7\xEF\xF1".b
end
it "coerces the password into a String using #to_str" do
pass = mock("pass")
pass.should_receive(:to_str).and_return("secret")
key = OpenSSL::KDF.pbkdf2_hmac(pass, **@defaults)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0".b
end
it "coerces the salt into a String using #to_str" do
salt = mock("salt")
salt.should_receive(:to_str).and_return("\x00".b * 16)
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, salt: salt)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0".b
end
it "coerces the iterations into an Integer using #to_int" do
iterations = mock("iterations")
iterations.should_receive(:to_int).and_return(20_000)
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, iterations: iterations)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0".b
end
it "coerces the length into an Integer using #to_int" do
length = mock("length")
length.should_receive(:to_int).and_return(16)
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, length: length)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0".b
end
it "accepts a OpenSSL::Digest object as hash" do
hash = OpenSSL::Digest.new("sha1")
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, hash: hash)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0".b
end
it "accepts an empty password" do
key = OpenSSL::KDF.pbkdf2_hmac("", **@defaults)
key.should == "k\x9F-\xB1\xF7\x9A\v\xA1(C\xF9\x85!P\xEF\x8C".b
end
it "accepts an empty salt" do
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, salt: "")
key.should == "\xD5f\xE5\xEA\xF91\x1D\xD3evD\xED\xDB\xE80\x80".b
end
it "accepts an empty length" do
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, length: 0)
key.should.empty?
end
it "accepts an arbitrary length" do
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, length: 19)
key.should == "!\x99+\xF0^\xD0\x8BM\x158\xC4\xAC\x9C\xF1\xF0\xE0\xCF\xBB\x7F".b
end
it "accepts any hash function known to OpenSSL" do
key = OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, hash: "sha512")
key.should == "N\x12}D\xCE\x99\xDBC\x8E\xEC\xAAr\xEA1\xDF\xFF".b
end
it "raises a TypeError when password is not a String and does not respond to #to_str" do
-> {
OpenSSL::KDF.pbkdf2_hmac(Object.new, **@defaults)
}.should raise_error(TypeError, "no implicit conversion of Object into String")
end
it "raises a TypeError when salt is not a String and does not respond to #to_str" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, salt: Object.new)
}.should raise_error(TypeError, "no implicit conversion of Object into String")
end
it "raises a TypeError when iterations is not an Integer and does not respond to #to_int" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, iterations: Object.new)
}.should raise_error(TypeError, "no implicit conversion of Object into Integer")
end
it "raises a TypeError when length is not an Integer and does not respond to #to_int" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, length: Object.new)
}.should raise_error(TypeError, "no implicit conversion of Object into Integer")
end
it "raises a TypeError when hash is neither a String nor an OpenSSL::Digest" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, hash: Object.new)
}.should raise_error(TypeError, "wrong argument type Object (expected OpenSSL/Digest)")
end
it "raises a TypeError when hash is neither a String nor an OpenSSL::Digest, it does not try to call #to_str" do
hash = mock("hash")
hash.should_not_receive(:to_str)
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, hash: hash)
}.should raise_error(TypeError, "wrong argument type MockObject (expected OpenSSL/Digest)")
end
it "raises a RuntimeError for unknown digest algorithms" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, hash: "wd40")
}.should raise_error(RuntimeError, /Unsupported digest algorithm \(wd40\)/)
end
it "treats salt as a required keyword" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults.except(:salt))
}.should raise_error(ArgumentError, 'missing keyword: :salt')
end
it "treats iterations as a required keyword" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults.except(:iterations))
}.should raise_error(ArgumentError, 'missing keyword: :iterations')
end
it "treats length as a required keyword" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults.except(:length))
}.should raise_error(ArgumentError, 'missing keyword: :length')
end
it "treats hash as a required keyword" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults.except(:hash))
}.should raise_error(ArgumentError, 'missing keyword: :hash')
end
it "treats all keywords as required" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret")
}.should raise_error(ArgumentError, 'missing keywords: :salt, :iterations, :length, :hash')
end
guard -> { OpenSSL::OPENSSL_VERSION_NUMBER >= 0x30000000 } do
it "raises an OpenSSL::KDF::KDFError for 0 or less iterations" do
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, iterations: 0)
}.should raise_error(OpenSSL::KDF::KDFError, "PKCS5_PBKDF2_HMAC: invalid iteration count")
-> {
OpenSSL::KDF.pbkdf2_hmac("secret", **@defaults, iterations: -1)
}.should raise_error(OpenSSL::KDF::KDFError, /PKCS5_PBKDF2_HMAC/)
end
end
end
|
