1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*******************************************************************************
3 * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
4 * All rights reserved.
5 *******************************************************************************/
6
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10
11 #include <stdlib.h>
12 #include <stdio.h>
13 #include <string.h>
14 #include <errno.h>
15 #include <fcntl.h>
16 #include <unistd.h>
17
18 #include <openssl/evp.h>
19 #include <openssl/rsa.h>
20 #include <openssl/engine.h>
21 #include <openssl/pem.h>
22
23 #include "tss2_fapi.h"
24
25 #include "test-fapi.h"
26 #define LOGMODULE test
27 #include "util/log.h"
28 #include "util/aux_util.h"
29
30 #ifdef TEST_ECC
31 const char *priv_pem =
32 "-----BEGIN EC PRIVATE KEY-----\n"
33 "MHcCAQEEILE8jic/6w/lKoFTVblkNQ4Ls5IYibQNQ4Dk5B9R09ONoAoGCCqGSM49\n"
34 "AwEHoUQDQgAEoJTa3zftdAzHC96IjpqQ/dnLm+p7pEiLMi03Jd0oP0aYnnXFjolz\n"
35 "IB/dBZ/t+BLh0PwLM5aAM/jugeLkHgpIyQ==\n"
36 "-----END EC PRIVATE KEY-----\n";
37
38 const char *pub_pem =
39 "-----BEGIN PUBLIC KEY-----\n"
40 "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEoJTa3zftdAzHC96IjpqQ/dnLm+p7\n"
41 "pEiLMi03Jd0oP0aYnnXFjolzIB/dBZ/t+BLh0PwLM5aAM/jugeLkHgpIyQ==\n"
42 "-----END PUBLIC KEY-----\n";
43 #else
44 const char *priv_pem =
45 "-----BEGIN PRIVATE KEY-----\n"
46 "MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCgYvoisJIDOeYg\n"
47 "jMF6ywiZbu085TLvy5ZMhq5vfYqdgefvwpemutnfKSnpYOs5B4yO/gAD7XiYluDv\n"
48 "tqlVhfISeQV04xrWGzNImenpwm/HsgueAu8VTHNtWSL96G+BLedGTrs2NqX6cxN7\n"
49 "yGl7dQpB5X8iP4XSvpjP3Vb7gs+adwCJR6xFkt60jYFmwrAdhEzOeakhimi5rU21\n"
50 "LxCkRdEyaxS57X15L9dEA+aYJ+dvkFfZOfTqIKmTrA75F8yj161xflwtIC4hgRBg\n"
51 "K9Xb/RdN8TDrTu+20E3RjngutU4qejW9Fd3mzHJGV8HRYvjYXhUblN9wmjm7Veru\n"
52 "T2b0rnvzAgMBAAECggEBAIwHvoJ5DRJ6A50Zp3dROxHTEphfOEi6xF/OGxBGWLbK\n"
53 "C7l+eS9d5gj8BJa5QsXI/IR/6X2EYQ1AdeV04oVD7CUKuqPiALU8jFrv3pV0aGm+\n"
54 "3nu37gv3crPe5jkvLeNoM4tkA/oCXom63SDuyoG6nxkHiSdatLlaJUse4em3vRAL\n"
55 "QivziZIMyswcleMe0xAoMi7LO+nUFFxBS8/xGya0vsU0dsMQEl1SRITv1VCXmPQD\n"
56 "T4dEI4+1cufv6Ax0EDbFKmnjyiGTjOeQKrGIqETUSQolbg5PgL1XZehaaxM822OY\n"
57 "Qpnp5T0XhUEmVrOb2Wrboj+dC/2tgAN/fWXjAAxnm2ECgYEA02UTZuZ+QnD6tqo3\n"
58 "/y3n5kaM9uA2mdOIqgECI9psGF1IBIC/iP2diKyuvmQL8hzymComb5YzZl3TOAga\n"
59 "WHQYbIeU3JhnYTG75/Dv5Zh32H4NjkIJHT2/8LUM25Ove9u6QAniVgIQpBZ47LjX\n"
60 "9jHjTYCW5n79qNSfu0egYJUvypECgYEAwjqWzzEINqnX/xIVCoB4XpuDuSdkM0JW\n"
61 "MZDIH9xHjZPp07/5XYEoITylk6Zwbh+djvWDNP4gzPtuK26VsqrNxoWMsFZeXn6U\n"
62 "xSOYL2UNCZiOgchdZCOr+6r8LRUuo8xHjbawVoJVK1+tZ2WsR3ilt3Gw34O8Z5ep\n"
63 "f4v7GOXw+EMCgYAUHjFrgJIRhqkFi0uK+HZyXtJ5iDsKBqyh6Tin6tiQtQfujcYs\n"
64 "pl5ArJZwvhq47vJTcud3hSbdHh7E3ViMhHfylDChkct833vPhgl+ozT8oHpvyG8P\n"
65 "nlnO8ZwIpZR0yCOAhrBImSe2RgE6HhlHb9X/ATbbNsizMZEGBLoJlwkWUQKBgQCy\n"
66 "4U7fh2LvJUF+82JZh7RUPZn1Pmg0JVZI0/TcEv37UEy77kR1b2xMIBTGhTVq1sc/\n"
67 "ULIEbkA7SR1P9sr7//8AZSMLjJ/hG2dcoMmabNCzE8O7l5MblRbh87nIs4d+57bG\n"
68 "t4h0RBi4l6eWYLdoI59L8fNaB3PPXIiIpZ0eczeZDQKBgQC2vuFYpUZqDb9CaJsn\n"
69 "Luee6P6n5v3ZBTAT4E+GG1kWS28BiebcCuLKNAY4ZtLo08ozaTWcMxooOTeka2ux\n"
70 "fQDE4M/LTNpam8QOJ2hqECF5a0uBYNcbmaGtfA9KwIgwCZZYuwb5IDq/DRPuR690\n"
71 "i8Kp6jR2wY0suObmZHKvbCB1Dw==\n"
72 "-----END PRIVATE KEY-----\n";
73
74 const char *pub_pem =
75 "-----BEGIN PUBLIC KEY-----\n"
76 "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoGL6IrCSAznmIIzBessI\n"
77 "mW7tPOUy78uWTIaub32KnYHn78KXprrZ3ykp6WDrOQeMjv4AA+14mJbg77apVYXy\n"
78 "EnkFdOMa1hszSJnp6cJvx7ILngLvFUxzbVki/ehvgS3nRk67Njal+nMTe8hpe3UK\n"
79 "QeV/Ij+F0r6Yz91W+4LPmncAiUesRZLetI2BZsKwHYRMznmpIYpoua1NtS8QpEXR\n"
80 "MmsUue19eS/XRAPmmCfnb5BX2Tn06iCpk6wO+RfMo9etcX5cLSAuIYEQYCvV2/0X\n"
81 "TfEw607vttBN0Y54LrVOKno1vRXd5sxyRlfB0WL42F4VG5TfcJo5u1Xq7k9m9K57\n"
82 "8wIDAQAB\n"
83 "-----END PUBLIC KEY-----\n";
84 #endif /* TEST_ECC */
85
86 #define RSA_SIG_SCHEME RSA_PKCS1_PSS_PADDING
87
88 char *userDataTest = "test";
89
90 #define chknull(X) if (!X) { LOG_ERROR(str(X) "should not be null"); \
91 r = TSS2_FAPI_RC_GENERAL_FAILURE; \
92 goto error_cleanup; }
93
94 static TSS2_RC
signatureCallback(FAPI_CONTEXT * context,char const * description,char const * publicKey,char const * publicKeyHint,uint32_t hashAlg,uint8_t const * dataToSign,size_t dataToSignSize,uint8_t ** signature,size_t * signatureSize,void * userData)95 signatureCallback(
96 FAPI_CONTEXT *context,
97 char const *description,
98 char const *publicKey,
99 char const *publicKeyHint,
100 uint32_t hashAlg,
101 uint8_t const *dataToSign,
102 size_t dataToSignSize,
103 uint8_t **signature,
104 size_t *signatureSize,
105 void *userData)
106 {
107 (void)description;
108 (void)publicKey;
109 (void)publicKeyHint;
110
111 if (userData != userDataTest) {
112 LOG_ERROR("userData is not correct, %p != %p", userData, userDataTest);
113 return TSS2_FAPI_RC_GENERAL_FAILURE;
114 }
115
116 if (hashAlg != TPM2_ALG_SHA1) {
117 LOG_ERROR("hashAlg is not correct, %u != %u", hashAlg, TPM2_ALG_SHA256);
118 return TSS2_FAPI_RC_GENERAL_FAILURE;
119 }
120
121 TSS2_RC r = TSS2_RC_SUCCESS;
122 EVP_PKEY *priv_key = NULL;
123 BIO *bufio = NULL;
124 EVP_MD_CTX *mdctx = NULL;
125 EVP_PKEY_CTX *pctx = NULL;
126
127 const EVP_MD *ossl_hash = EVP_sha1();
128 chknull(ossl_hash);
129
130 LOGBLOB_DEBUG(dataToSign, dataToSignSize, "Data to be signed");
131
132 bufio = BIO_new_mem_buf((void *)priv_pem, strlen(priv_pem));
133 priv_key = PEM_read_bio_PrivateKey(bufio, NULL, NULL, NULL);
134 chknull(priv_key);
135
136 mdctx = EVP_MD_CTX_create();
137 chknull(mdctx);
138
139 if (1 != EVP_DigestSignInit(mdctx, &pctx, NULL, NULL, priv_key)) {
140 goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL digest sign init.",
141 error_cleanup);
142 }
143 if (EVP_PKEY_type(EVP_PKEY_id(priv_key)) == EVP_PKEY_RSA) {
144 int signing_scheme = RSA_SIG_SCHEME;
145 if (1 != EVP_PKEY_CTX_set_rsa_padding(pctx, signing_scheme)) {
146 goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL set RSA padding.",
147 error_cleanup);
148 }
149 }
150 if (1 != EVP_DigestSignInit(mdctx, &pctx, ossl_hash, NULL, priv_key)) {
151 goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign init.",
152 error_cleanup);
153 }
154 if (1 != EVP_DigestSignUpdate(mdctx, dataToSign, dataToSignSize)) {
155 goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign update.",
156 error_cleanup);
157 }
158 if (1 != EVP_DigestSignFinal(mdctx, NULL, signatureSize)) {
159 goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign final.",
160 error_cleanup);
161 }
162 *signature = malloc(*signatureSize);
163 chknull(*signature);
164 if (1 != EVP_DigestSignFinal(mdctx, *signature, signatureSize)) {
165 goto_error(r, TSS2_FAPI_RC_GENERAL_FAILURE, "OSSL sign final.",
166 error_cleanup);
167 }
168 error_cleanup:
169 if (priv_key)
170 EVP_PKEY_free(priv_key);
171 if (bufio)
172 BIO_free(bufio);
173 if (mdctx)
174 EVP_MD_CTX_destroy(mdctx);
175 return r;
176 }
177
178 #define PASSWORD NULL
179
180 #define SIGN_TEMPLATE "sign,noDa"
181
182 /** Test the FAPI functions for key creation and usage with a PolicySigned.
183 *
184 * Tested FAPI commands:
185 * - Fapi_Provision()
186 * - Fapi_Import()
187 * - Fapi_CreateKey()
188 * - Fapi_SetSignCB()
189 * - Fapi_Sign()
190 * - Fapi_Delete()
191 * - Fapi_List()
192 *
193 * Tested Policies:
194 * - PolicySigned
195 *
196 * @param[in,out] context The FAPI_CONTEXT.
197 * @retval EXIT_FAILURE
198 * @retval EXIT_SUCCESS
199 */
200 int
test_fapi_key_create_policy_signed(FAPI_CONTEXT * context)201 test_fapi_key_create_policy_signed(FAPI_CONTEXT *context)
202 {
203 TSS2_RC r;
204 #ifdef TEST_ECC
205 char *policy_name = "/policy/pol_signed_ecc";
206 char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_signed_ecc.json";
207 #else
208 char *policy_name = "/policy/pol_signed";
209 char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_signed.json";
210 #endif
211 FILE *stream = NULL;
212 char *json_policy = NULL;
213 long policy_size;
214
215 uint8_t *signature = NULL;
216 char *publicKey = NULL;
217 char *pathList = NULL;
218
219 r = Fapi_Provision(context, NULL, NULL, NULL);
220 goto_if_error(r, "Error Fapi_Provision", error);
221
222 r = pcr_reset(context, 16);
223 goto_if_error(r, "Error pcr_reset", error);
224
225 stream = fopen(policy_file, "r");
226 if (!stream) {
227 LOG_ERROR("File %s does not exist", policy_file);
228 goto error;
229 }
230 fseek(stream, 0L, SEEK_END);
231 policy_size = ftell(stream);
232 fclose(stream);
233 json_policy = malloc(policy_size + 1);
234 goto_if_null(json_policy,
235 "Could not allocate memory for the JSON policy",
236 TSS2_FAPI_RC_MEMORY, error);
237 stream = fopen(policy_file, "r");
238 ssize_t ret = read(fileno(stream), json_policy, policy_size);
239 if (ret != policy_size) {
240 LOG_ERROR("IO error %s.", policy_file);
241 goto error;
242 }
243 json_policy[policy_size] = '\0';
244
245 r = Fapi_Import(context, policy_name, json_policy);
246 goto_if_error(r, "Error Fapi_Import", error);
247
248 r = Fapi_CreateKey(context, "/HS/SRK/mySignKey", SIGN_TEMPLATE,
249 policy_name, PASSWORD);
250 goto_if_error(r, "Error Fapi_CreateKey", error);
251 size_t signatureSize = 0;
252
253 TPM2B_DIGEST digest = {
254 .size = 20,
255 .buffer = {
256 0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0,
257 0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f
258 }
259 };
260
261 r = Fapi_SetSignCB(context, signatureCallback, userDataTest);
262 goto_if_error(r, "Error SetPolicySignatureCallback", error);
263
264 r = Fapi_Sign(context, "/HS/SRK/mySignKey", NULL,
265 &digest.buffer[0], digest.size, &signature, &signatureSize,
266 &publicKey, NULL);
267 goto_if_error(r, "Error Fapi_Sign", error);
268
269 r = Fapi_Delete(context, "/HS/SRK");
270 goto_if_error(r, "Error Fapi_Delete", error);
271
272 r = Fapi_List(context, "/", &pathList);
273 goto_if_error(r, "Error Fapi_List", error);
274
275 fprintf(stderr, "\n%s\n", pathList);
276
277 fclose(stream);
278 SAFE_FREE(json_policy);
279 SAFE_FREE(signature);
280 SAFE_FREE(publicKey);
281 SAFE_FREE(pathList);
282 return EXIT_SUCCESS;
283
284 error:
285 SAFE_FREE(json_policy);
286 SAFE_FREE(signature);
287 SAFE_FREE(publicKey);
288 SAFE_FREE(pathList);
289 return EXIT_FAILURE;
290 }
291
292 int
test_invoke_fapi(FAPI_CONTEXT * fapi_context)293 test_invoke_fapi(FAPI_CONTEXT *fapi_context)
294 {
295 return test_fapi_key_create_policy_signed(fapi_context);
296 }
297