Source file
src/crypto/x509/pem_decrypt_test.go
1
2
3
4
5 package x509
6
7 import (
8 "bytes"
9 "crypto/rand"
10 "encoding/base64"
11 "encoding/pem"
12 "strings"
13 "testing"
14 )
15
16 func TestDecrypt(t *testing.T) {
17 for i, data := range testData {
18 t.Logf("test %v. %v", i, data.kind)
19 block, rest := pem.Decode(data.pemData)
20 if len(rest) > 0 {
21 t.Error("extra data")
22 }
23 der, err := DecryptPEMBlock(block, data.password)
24 if err != nil {
25 t.Error("decrypt failed: ", err)
26 continue
27 }
28 if _, err := ParsePKCS1PrivateKey(der); err != nil {
29 t.Error("invalid private key: ", err)
30 }
31 plainDER, err := base64.StdEncoding.DecodeString(data.plainDER)
32 if err != nil {
33 t.Fatal("cannot decode test DER data: ", err)
34 }
35 if !bytes.Equal(der, plainDER) {
36 t.Error("data mismatch")
37 }
38 }
39 }
40
41 func TestEncrypt(t *testing.T) {
42 for i, data := range testData {
43 t.Logf("test %v. %v", i, data.kind)
44 plainDER, err := base64.StdEncoding.DecodeString(data.plainDER)
45 if err != nil {
46 t.Fatal("cannot decode test DER data: ", err)
47 }
48 password := []byte("kremvax1")
49 block, err := EncryptPEMBlock(rand.Reader, "RSA PRIVATE KEY", plainDER, password, data.kind)
50 if err != nil {
51 t.Error("encrypt: ", err)
52 continue
53 }
54 if !IsEncryptedPEMBlock(block) {
55 t.Error("PEM block does not appear to be encrypted")
56 }
57 if block.Type != "RSA PRIVATE KEY" {
58 t.Errorf("unexpected block type; got %q want %q", block.Type, "RSA PRIVATE KEY")
59 }
60 if block.Headers["Proc-Type"] != "4,ENCRYPTED" {
61 t.Errorf("block does not have correct Proc-Type header")
62 }
63 der, err := DecryptPEMBlock(block, password)
64 if err != nil {
65 t.Error("decrypt: ", err)
66 continue
67 }
68 if !bytes.Equal(der, plainDER) {
69 t.Errorf("data mismatch")
70 }
71 }
72 }
73
74 var testData = []struct {
75 kind PEMCipher
76 password []byte
77 pemData []byte
78 plainDER string
79 }{
80 {
81 kind: PEMCipherDES,
82 password: []byte("asdf"),
83 pemData: []byte(testingKey(`
84 -----BEGIN RSA TESTING KEY-----
85 Proc-Type: 4,ENCRYPTED
86 DEK-Info: DES-CBC,34F09A4FC8DE22B5
87
88 WXxy8kbZdiZvANtKvhmPBLV7eVFj2A5z6oAxvI9KGyhG0ZK0skfnt00C24vfU7m5
89 ICXeoqP67lzJ18xCzQfHjDaBNs53DSDT+Iz4e8QUep1xQ30+8QKX2NA2coee3nwc
90 6oM1cuvhNUDemBH2i3dKgMVkfaga0zQiiOq6HJyGSncCMSruQ7F9iWEfRbFcxFCx
91 qtHb1kirfGKEtgWTF+ynyco6+2gMXNu70L7nJcnxnV/RLFkHt7AUU1yrclxz7eZz
92 XOH9VfTjb52q/I8Suozq9coVQwg4tXfIoYUdT//O+mB7zJb9HI9Ps77b9TxDE6Gm
93 4C9brwZ3zg2vqXcwwV6QRZMtyll9rOpxkbw6NPlpfBqkc3xS51bbxivbO/Nve4KD
94 r12ymjFNF4stXCfJnNqKoZ50BHmEEUDu5Wb0fpVn82XrGw7CYc4iug==
95 -----END RSA TESTING KEY-----`)),
96 plainDER: `
97 MIIBPAIBAAJBAPASZe+tCPU6p80AjHhDkVsLYa51D35e/YGa8QcZyooeZM8EHozo
98 KD0fNiKI+53bHdy07N+81VQ8/ejPcRoXPlsCAwEAAQJBAMTxIuSq27VpR+zZ7WJf
99 c6fvv1OBvpMZ0/d1pxL/KnOAgq2rD5hDtk9b0LGhTPgQAmrrMTKuSeGoIuYE+gKQ
100 QvkCIQD+GC1m+/do+QRurr0uo46Kx1LzLeSCrjBk34wiOp2+dwIhAPHfTLRXS2fv
101 7rljm0bYa4+eDZpz+E8RcXEgzhhvcQQ9AiAI5eHZJGOyml3MXnQjiPi55WcDOw0w
102 glcRgT6QCEtz2wIhANSyqaFtosIkHKqrDUGfz/bb5tqMYTAnBruVPaf/WEOBAiEA
103 9xORWeRG1tRpso4+dYy4KdDkuLPIO01KY6neYGm3BCM=`,
104 },
105 {
106 kind: PEMCipher3DES,
107 password: []byte("asdf"),
108 pemData: []byte(testingKey(`
109 -----BEGIN RSA TESTING KEY-----
110 Proc-Type: 4,ENCRYPTED
111 DEK-Info: DES-EDE3-CBC,C1F4A6A03682C2C7
112
113 0JqVdBEH6iqM7drTkj+e2W/bE3LqakaiWhb9WUVonFkhyu8ca/QzebY3b5gCvAZQ
114 YwBvDcT/GHospKqPx+cxDHJNsUASDZws6bz8ZXWJGwZGExKzr0+Qx5fgXn44Ms3x
115 8g1ENFuTXtxo+KoNK0zuAMAqp66Llcds3Fjl4XR18QaD0CrVNAfOdgATWZm5GJxk
116 Fgx5f84nT+/ovvreG+xeOzWgvtKo0UUZVrhGOgfKLpa57adumcJ6SkUuBtEFpZFB
117 ldw5w7WC7d13x2LsRkwo8ZrDKgIV+Y9GNvhuCCkTzNP0V3gNeJpd201HZHR+9n3w
118 3z0VjR/MGqsfcy1ziEWMNOO53At3zlG6zP05aHMnMcZoVXadEK6L1gz++inSSDCq
119 gI0UJP4e3JVB7AkgYymYAwiYALAkoEIuanxoc50njJk=
120 -----END RSA TESTING KEY-----`)),
121 plainDER: `
122 MIIBOwIBAAJBANOCXKdoNS/iP/MAbl9cf1/SF3P+Ns7ZeNL27CfmDh0O6Zduaax5
123 NBiumd2PmjkaCu7lQ5JOibHfWn+xJsc3kw0CAwEAAQJANX/W8d1Q/sCqzkuAn4xl
124 B5a7qfJWaLHndu1QRLNTRJPn0Ee7OKJ4H0QKOhQM6vpjRrz+P2u9thn6wUxoPsef
125 QQIhAP/jCkfejFcy4v15beqKzwz08/tslVjF+Yq41eJGejmxAiEA05pMoqfkyjcx
126 fyvGhpoOyoCp71vSGUfR2I9CR65oKh0CIC1Msjs66LlfJtQctRq6bCEtFCxEcsP+
127 eEjYo/Sk6WphAiEAxpgWPMJeU/shFT28gS+tmhjPZLpEoT1qkVlC14u0b3ECIQDX
128 tZZZxCtPAm7shftEib0VU77Lk8MsXJcx2C4voRsjEw==`,
129 },
130 {
131 kind: PEMCipherAES128,
132 password: []byte("asdf"),
133 pemData: []byte(testingKey(`
134 -----BEGIN RSA TESTING KEY-----
135 Proc-Type: 4,ENCRYPTED
136 DEK-Info: AES-128-CBC,D4492E793FC835CC038A728ED174F78A
137
138 EyfQSzXSjv6BaNH+NHdXRlkHdimpF9izWlugVJAPApgXrq5YldPe2aGIOFXyJ+QE
139 ZIG20DYqaPzJRjTEbPNZ6Es0S2JJ5yCpKxwJuDkgJZKtF39Q2i36JeGbSZQIuWJE
140 GZbBpf1jDH/pr0iGonuAdl2PCCZUiy+8eLsD2tyviHUkFLOB+ykYoJ5t8ngZ/B6D
141 33U43LLb7+9zD4y3Q9OVHqBFGyHcxCY9+9Qh4ZnFp7DTf6RY5TNEvE3s4g6aDpBs
142 3NbvRVvYTgs8K9EPk4K+5R+P2kD8J8KvEIGxVa1vz8QoCJ/jr7Ka2rvNgPCex5/E
143 080LzLHPCrXKdlr/f50yhNWq08ZxMWQFkui+FDHPDUaEELKAXV8/5PDxw80Rtybo
144 AVYoCVIbZXZCuCO81op8UcOgEpTtyU5Lgh3Mw5scQL0=
145 -----END RSA TESTING KEY-----`)),
146 plainDER: `
147 MIIBOgIBAAJBAMBlj5FxYtqbcy8wY89d/S7n0+r5MzD9F63BA/Lpl78vQKtdJ5dT
148 cDGh/rBt1ufRrNp0WihcmZi7Mpl/3jHjiWECAwEAAQJABNOHYnKhtDIqFYj1OAJ3
149 k3GlU0OlERmIOoeY/cL2V4lgwllPBEs7r134AY4wMmZSBUj8UR/O4SNO668ElKPE
150 cQIhAOuqY7/115x5KCdGDMWi+jNaMxIvI4ETGwV40ykGzqlzAiEA0P9oEC3m9tHB
151 kbpjSTxaNkrXxDgdEOZz8X0uOUUwHNsCIAwzcSCiGLyYJTULUmP1ESERfW1mlV78
152 XzzESaJpIM/zAiBQkSTcl9VhcJreQqvjn5BnPZLP4ZHS4gPwJAGdsj5J4QIhAOVR
153 B3WlRNTXR2WsJ5JdByezg9xzdXzULqmga0OE339a`,
154 },
155 {
156 kind: PEMCipherAES192,
157 password: []byte("asdf"),
158 pemData: []byte(testingKey(`
159 -----BEGIN RSA TESTING KEY-----
160 Proc-Type: 4,ENCRYPTED
161 DEK-Info: AES-192-CBC,E2C9FB02BCA23ADE1829F8D8BC5F5369
162
163 cqVslvHqDDM6qwU6YjezCRifXmKsrgEev7ng6Qs7UmDJOpHDgJQZI9fwMFUhIyn5
164 FbCu1SHkLMW52Ld3CuEqMnzWMlhPrW8tFvUOrMWPYSisv7nNq88HobZEJcUNL2MM
165 Y15XmHW6IJwPqhKyLHpWXyOCVEh4ODND2nV15PCoi18oTa475baxSk7+1qH7GuIs
166 Rb7tshNTMqHbCpyo9Rn3UxeFIf9efdl8YLiMoIqc7J8E5e9VlbeQSdLMQOgDAQJG
167 ReUtTw8exmKsY4gsSjhkg5uiw7/ZB1Ihto0qnfQJgjGc680qGkT1d6JfvOfeYAk6
168 xn5RqS/h8rYAYm64KnepfC9vIujo4NqpaREDmaLdX5MJPQ+SlytITQvgUsUq3q/t
169 Ss85xjQEZH3hzwjQqdJvmA4hYP6SUjxYpBM+02xZ1Xw=
170 -----END RSA TESTING KEY-----`)),
171 plainDER: `
172 MIIBOwIBAAJBAMGcRrZiNNmtF20zyS6MQ7pdGx17aFDl+lTl+qnLuJRUCMUG05xs
173 OmxmL/O1Qlf+bnqR8Bgg65SfKg21SYuLhiMCAwEAAQJBAL94uuHyO4wux2VC+qpj
174 IzPykjdU7XRcDHbbvksf4xokSeUFjjD3PB0Qa83M94y89ZfdILIqS9x5EgSB4/lX
175 qNkCIQD6cCIqLfzq/lYbZbQgAAjpBXeQVYsbvVtJrPrXJAlVVQIhAMXpDKMeFPMn
176 J0g2rbx1gngx0qOa5r5iMU5w/noN4W2XAiBjf+WzCG5yFvazD+dOx3TC0A8+4x3P
177 uZ3pWbaXf5PNuQIgAcdXarvhelH2w2piY1g3BPeFqhzBSCK/yLGxR82KIh8CIQDD
178 +qGKsd09NhQ/G27y/DARzOYtml1NvdmCQAgsDIIOLA==`,
179 },
180 {
181 kind: PEMCipherAES256,
182 password: []byte("asdf"),
183 pemData: []byte(testingKey(`
184 -----BEGIN RSA TESTING KEY-----
185 Proc-Type: 4,ENCRYPTED
186 DEK-Info: AES-256-CBC,8E7ED5CD731902CE938957A886A5FFBD
187
188 4Mxr+KIzRVwoOP0wwq6caSkvW0iS+GE2h2Ov/u+n9ZTMwL83PRnmjfjzBgfRZLVf
189 JFPXxUK26kMNpIdssNnqGOds+DhB+oSrsNKoxgxSl5OBoYv9eJTVYm7qOyAFIsjr
190 DRKAcjYCmzfesr7PVTowwy0RtHmYwyXMGDlAzzZrEvaiySFFmMyKKvtoavwaFoc7
191 Pz3RZScwIuubzTGJ1x8EzdffYOsdCa9Mtgpp3L136+23dOd6L/qK2EG2fzrJSHs/
192 2XugkleBFSMKzEp9mxXKRfa++uidQvMZTFLDK9w5YjrRvMBo/l2BoZIsq0jAIE1N
193 sv5Z/KwlX+3MDEpPQpUwGPlGGdLnjI3UZ+cjgqBcoMiNc6HfgbBgYJSU6aDSHuCk
194 clCwByxWkBNgJ2GrkwNrF26v+bGJJJNR4SKouY1jQf0=
195 -----END RSA TESTING KEY-----`)),
196 plainDER: `
197 MIIBOgIBAAJBAKy3GFkstoCHIEeUU/qO8207m8WSrjksR+p9B4tf1w5k+2O1V/GY
198 AQ5WFCApItcOkQe/I0yZZJk/PmCqMzSxrc8CAwEAAQJAOCAz0F7AW9oNelVQSP8F
199 Sfzx7O1yom+qWyAQQJF/gFR11gpf9xpVnnyu1WxIRnDUh1LZwUsjwlDYb7MB74id
200 oQIhANPcOiLwOPT4sIUpRM5HG6BF1BI7L77VpyGVk8xNP7X/AiEA0LMHZtk4I+lJ
201 nClgYp4Yh2JZ1Znbu7IoQMCEJCjwKDECIGd8Dzm5tViTkUW6Hs3Tlf73nNs65duF
202 aRnSglss8I3pAiEAonEnKruawgD8RavDFR+fUgmQiPz4FnGGeVgfwpGG1JECIBYq
203 PXHYtPqxQIbD2pScR5qum7iGUh11lEUPkmt+2uqS`,
204 },
205 {
206
207
208 kind: PEMCipherAES128,
209 password: []byte("asdf"),
210 pemData: []byte(testingKey(`
211 -----BEGIN RSA TESTING KEY-----
212 Proc-Type: 4,ENCRYPTED
213 DEK-Info: AES-128-CBC,74611ABC2571AF11B1BF9B69E62C89E7
214
215 6ei/MlytjE0FFgZOGQ+jrwomKfpl8kdefeE0NSt/DMRrw8OacHAzBNi3pPEa0eX3
216 eND9l7C9meCirWovjj9QWVHrXyugFuDIqgdhQ8iHTgCfF3lrmcttVrbIfMDw+smD
217 hTP8O1mS/MHl92NE0nhv0w==
218 -----END RSA TESTING KEY-----`)),
219 plainDER: `
220 MGMCAQACEQC6ssxmYuauuHGOCDAI54RdAgMBAAECEQCWIn6Yv2O+kBcDF7STctKB
221 AgkA8SEfu/2i3g0CCQDGNlXbBHX7kQIIK3Ww5o0cYbECCQDCimPb0dYGsQIIeQ7A
222 jryIst8=`,
223 },
224 }
225
226 var incompleteBlockPEM = testingKey(`
227 -----BEGIN RSA TESTING KEY-----
228 Proc-Type: 4,ENCRYPTED
229 DEK-Info: AES-128-CBC,74611ABC2571AF11B1BF9B69E62C89E7
230
231 6L8yXK2MTQUWBk4ZD6OvCiYp+mXyR1594TQ1K38MxGvDw5pwcDME2Lek8RrR5fd40P2XsL2Z4KKt
232 ai+OP1BZUetfK6AW4MiqB2FDyIdOAJ8XeWuZy21Wtsh8wPD6yYOFM/w7WZL8weX3Y0TSeG/T
233 -----END RSA TESTING KEY-----`)
234
235 func TestIncompleteBlock(t *testing.T) {
236
237
238 block, _ := pem.Decode([]byte(incompleteBlockPEM))
239 _, err := DecryptPEMBlock(block, []byte("foo"))
240 if err == nil {
241 t.Fatal("Bad PEM data decrypted successfully")
242 }
243 const expectedSubstr = "block size"
244 if e := err.Error(); !strings.Contains(e, expectedSubstr) {
245 t.Fatalf("Expected error containing %q but got: %q", expectedSubstr, e)
246 }
247 }
248
249 func testingKey(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") }
250
View as plain text