git.zerfleddert.de Git - proxmark3-svn/blob - client/emv/test/sda

1 /*

2 * emv-tools - a set of tools to work with EMV family of smart cards

4 *

5 * This library is free software; you can redistribute it and/or

6 * modify it under the terms of the GNU Lesser General Public

7 * License as published by the Free Software Foundation; either

8 * version 2.1 of the License, or (at your option) any later version.

9 *

10 * This library is distributed in the hope that it will be useful,

11 * but WITHOUT ANY WARRANTY; without even the implied warranty of

12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

13 * Lesser General Public License for more details.

14 */

16 #ifdef HAVE_CONFIG_H

17 #include <config.h>

18 #endif

20 #include "../emv_pk.h"

21 #include "../crypto.h"

22 #include "../dump.h"

23 #include "../tlv.h"

24 #include "../emv_pki.h"

26 #include <stdio.h>

27 #include <string.h>

28 #include <stdlib.h>

30 struct emv_pk vsdc_01 = {

         .rid = { 0xa0, 0x00, 0x00, 0x00, 0x03, },

32 .index = 1,

33 .hash_algo = HASH_SHA_1,

34 .pk_algo = PK_RSA,

35 .hash = {

                 0xd3, 0x4a, 0x6a, 0x77,

                 0x60, 0x11, 0xc7, 0xe7,

                 0xce, 0x3a, 0xec, 0x5f,

                 0x03, 0xad, 0x2f, 0x8c,

                 0xfc, 0x55, 0x03, 0xcc, },

41 .exp = { 0x03, },

42 .elen = 1,

         .mlen = 1024 / 8,

44 .modulus = (unsigned char[]){

                 0xc6, 0x96, 0x03, 0x42, 0x13, 0xd7, 0xd8, 0x54, 0x69, 0x84, 0x57, 0x9d, 0x1d, 0x0f, 0x0e, 0xa5,

                 0x19, 0xcf, 0xf8, 0xde, 0xff, 0xc4, 0x29, 0x35, 0x4c, 0xf3, 0xa8, 0x71, 0xa6, 0xf7, 0x18, 0x3f,

                 0x12, 0x28, 0xda, 0x5c, 0x74, 0x70, 0xc0, 0x55, 0x38, 0x71, 0x00, 0xcb, 0x93, 0x5a, 0x71, 0x2c,

                 0x4e, 0x28, 0x64, 0xdf, 0x5d, 0x64, 0xba, 0x93, 0xfe, 0x7e, 0x63, 0xe7, 0x1f, 0x25, 0xb1, 0xe5,

                 0xf5, 0x29, 0x85, 0x75, 0xeb, 0xe1, 0xc6, 0x3a, 0xa6, 0x17, 0x70, 0x69, 0x17, 0x91, 0x1d, 0xc2,

                 0xa7, 0x5a, 0xc2, 0x8b, 0x25, 0x1c, 0x7e, 0xf4, 0x0f, 0x23, 0x65, 0x91, 0x24, 0x90, 0xb9, 0x39,

                 0xbc, 0xa2, 0x12, 0x4a, 0x30, 0xa2, 0x8f, 0x54, 0x40, 0x2c, 0x34, 0xae, 0xca, 0x33, 0x1a, 0xb6,

                 0x7e, 0x1e, 0x79, 0xb2, 0x85, 0xdd, 0x57, 0x71, 0xb5, 0xd9, 0xff, 0x79, 0xea, 0x63, 0x0b, 0x75,

53 },

54 };

56 const unsigned char issuer_cert[] = {

                 0x3c, 0x5f, 0xea, 0xd4, 0xdd, 0x7b, 0xca, 0x44, 0xf9, 0x3e, 0x90, 0xc4, 0x4f, 0x76, 0xed, 0xe5,

                 0x4a, 0x32, 0x88, 0xec, 0xdc, 0x78, 0x46, 0x9f, 0xcb, 0x12, 0x25, 0xc0, 0x3b, 0x2c, 0x04, 0xf2,

                 0xc2, 0xf4, 0x12, 0x28, 0x1a, 0x08, 0x22, 0xdf, 0x14, 0x64, 0x92, 0x30, 0x98, 0x9f, 0xb1, 0x49,

                 0x40, 0x70, 0xda, 0xf8, 0xc9, 0x53, 0x4a, 0x78, 0x81, 0x96, 0x01, 0x48, 0x61, 0x6a, 0xce, 0x58,

                 0x17, 0x88, 0x12, 0x0d, 0x35, 0x06, 0xac, 0xe4, 0xce, 0xe5, 0x64, 0xfb, 0x27, 0xee, 0x53, 0x34,

                 0x1c, 0x22, 0xf0, 0xb4, 0x5b, 0x31, 0x87, 0x3d, 0x05, 0xde, 0x54, 0x5e, 0xfe, 0x33, 0xbc, 0xd2,

                 0x9b, 0x21, 0x85, 0xd0, 0x35, 0xa8, 0x06, 0xad, 0x08, 0xc6, 0x97, 0x6f, 0x35, 0x05, 0xa1, 0x99,

                 0x99, 0x93, 0x0c, 0xa8, 0xa0, 0x3e, 0xfa, 0x32, 0x1c, 0x48, 0x60, 0x61, 0xf7, 0xdc, 0xec, 0x9f,

65 };

67 const unsigned char issuer_rem[] = {

                 0x1e, 0xbc, 0xa3, 0x0f, 0x00, 0xce, 0x59, 0x62, 0xa8, 0xc6, 0xe1, 0x30, 0x54, 0x4b, 0x82, 0x89,

                 0x1b, 0x23, 0x6c, 0x65, 0xde, 0x29, 0x31, 0x7f, 0x36, 0x47, 0x35, 0xde, 0xe6, 0x3f, 0x65, 0x98,

                 0x97, 0x58, 0x35, 0xd5

71 };

73 const unsigned char issuer_exp[] = {

74 0x03,

75 };

77 const unsigned char ssad_cr[] = {

                 0x99, 0xa5, 0x58, 0xb6, 0x2b, 0x67, 0x4a, 0xa5, 0xe7, 0xd2, 0xa5, 0x7e, 0x5e, 0xf6, 0xa6, 0xf2,

                 0x25, 0x8e, 0x5d, 0xa0, 0x52, 0xd0, 0x5b, 0x54, 0xe5, 0xc1, 0x15, 0xff, 0x1c, 0xec, 0xf9, 0x4a,

                 0xa2, 0xdf, 0x8f, 0x39, 0xa0, 0x1d, 0x71, 0xc6, 0x19, 0xeb, 0x81, 0x9d, 0xa5, 0x2e, 0xf3, 0x81,

                 0xe8, 0x49, 0x79, 0x58, 0x6a, 0xea, 0x78, 0x55, 0xff, 0xbe, 0xf4, 0x0a, 0xa3, 0xa7, 0x1c, 0xd3,

                 0xb0, 0x4c, 0xfd, 0xf2, 0x70, 0xae, 0xc8, 0x15, 0x8a, 0x27, 0x97, 0xf2, 0x4f, 0xd6, 0x13, 0xb7,

                 0x48, 0x13, 0x46, 0x61, 0x13, 0x5c, 0xd2, 0x90, 0xe4, 0x5b, 0x04, 0xa8, 0xe0, 0xcc, 0xc7, 0x11,

                 0xae, 0x04, 0x2f, 0x15, 0x9e, 0x73, 0xc8, 0x9c, 0x2a, 0x7e, 0x65, 0xa4, 0xc2, 0xfd, 0x1d, 0x61,

                 0x06, 0x02, 0x4a, 0xa2, 0x71, 0x30, 0xb0, 0xec, 0xec, 0x02, 0x38, 0xf9, 0x16, 0x59, 0xde, 0x96,

86 };

88 const unsigned char ssd1[] = {

         0x5f, 0x24, 0x03, 0x08, 0x12, 0x31, 0x5a, 0x08, 0x42, 0x76, 0x55, 0x00, 0x13, 0x23, 0x45, 0x99, 0x5f, 0x34, 0x01, 0x01, 0x9f, 0x07, 0x02, 0xff, 0x00, 0x9f, 0x0d, 0x05, 0xd0, 0x40, 0xac, 0xa8, 0x00, 0x9f, 0x0e, 0x05, 0x00, 0x10, 0x00, 0x00, 0x00, 0x9f, 0x0f, 0x05, 0xd0, 0x68, 0xbc, 0xf8, 0x00,

90 0x5c, 0x00,

91 };

92 static const struct tlv ssd1_tlv = {

         .len = sizeof(ssd1),

94 .value = ssd1,

95 };

97 const unsigned char pan[] = {

         0x42, 0x76, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00,

99 };

100

 static int sda_test_raw(bool verbose)

102 {

103 const struct emv_pk *pk = &vsdc_01;

104

         struct crypto_pk *kcp = crypto_pk_open(PK_RSA,

106 pk->modulus, pk->mlen,

107 pk->exp, pk->elen);

108 if (!kcp)

109 return 1;

110

111 unsigned char *ipk_data;

112 size_t ipk_data_len;

         ipk_data = crypto_pk_encrypt(kcp, issuer_cert, sizeof(issuer_cert), &ipk_data_len);

114 crypto_pk_close(kcp);

115

116 if (!ipk_data)

117 return 1;

118

119 if (verbose) {

                 printf("issuer cert:\n");

                 dump_buffer(ipk_data, ipk_data_len, stdout, 0);

122 }

123

         size_t ipk_pk_len = ipk_data[13];

         unsigned char *ipk_pk = malloc(ipk_pk_len);

         memcpy(ipk_pk, ipk_data + 15, ipk_data_len - 36);

         memcpy(ipk_pk + ipk_data_len - 36, issuer_rem, sizeof(issuer_rem));

128

129 struct crypto_hash *ch;

130 ch = crypto_hash_open(HASH_SHA_1);

131 if (!ch) {

132 free(ipk_pk);

133 free(ipk_data);

134 return 1;

135 }

136

         crypto_hash_write(ch, ipk_data + 1, 14);

         crypto_hash_write(ch, ipk_pk, ipk_pk_len);

         crypto_hash_write(ch, issuer_exp, sizeof(issuer_exp));

140

         unsigned char *h = crypto_hash_read(ch);

142 if (!h) {

143 crypto_hash_close(ch);

144 free(ipk_pk);

145 free(ipk_data);

146 return 1;

147 }

148

149 if (verbose) {

                 printf("crypto hash:\n");

                 dump_buffer(h, 20, stdout, 0);

152 }

153

         if (memcmp(ipk_data + ipk_data_len - 21, h, 20)) {

155 crypto_hash_close(ch);

156 free(ipk_pk);

157 free(ipk_data);

158 return 1;

159 }

160

161 crypto_hash_close(ch);

162 free(ipk_data);

163

         struct crypto_pk *ikcp = crypto_pk_open(PK_RSA, ipk_pk, (int) ipk_pk_len,

                         issuer_exp, (int) sizeof(issuer_exp));

166 free(ipk_pk);

167 if (!ikcp)

168 return 1;

169

170 size_t ssad_len;

         unsigned char *ssad = crypto_pk_encrypt(ikcp, ssad_cr, sizeof(ssad_cr), &ssad_len);

172 crypto_pk_close(ikcp);

173 if (!ssad)

174 return 1;

175

176 if (verbose) {

                 printf("ssad:\n");

                 dump_buffer(ssad, ssad_len, stdout, 0);

179 }

180

181 ch = crypto_hash_open(HASH_SHA_1);

182 if (!ch) {

183 free(ssad);

184 return 1;

185 }

186

         crypto_hash_write(ch, ssad + 1, ssad_len - 22);

         crypto_hash_write(ch, ssd1, sizeof(ssd1));

189

         unsigned char *h2 = crypto_hash_read(ch);

191 if (!h2) {

192 crypto_hash_close(ch);

193 free(ssad);

194 return 1;

195 }

196

197 if (verbose) {

                 printf("crypto hash2:\n");

                 dump_buffer(h2, 20, stdout, 0);

200 }

201

202 crypto_hash_close(ch);

203

204 free(ssad);

205

206 return 0;

207 }

208

 static int sda_test_pk(bool verbose)

210 {

211 const struct emv_pk *pk = &vsdc_01;

212 struct tlvdb *db;

213

         db = tlvdb_external(0x90, sizeof(issuer_cert), issuer_cert);

         tlvdb_add(db, tlvdb_external(0x9f32, sizeof(issuer_exp), issuer_exp));

         tlvdb_add(db, tlvdb_external(0x92, sizeof(issuer_rem), issuer_rem));

         tlvdb_add(db, tlvdb_external(0x5a, sizeof(pan), pan));

218

         struct emv_pk *ipk = emv_pki_recover_issuer_cert(pk, db);

220 if (!ipk) {

                 fprintf(stderr, "Could not recover Issuer certificate!\n");

222 tlvdb_free(db);

223 return 2;

224 }

225

         tlvdb_add(db, tlvdb_external(0x93, sizeof(ssad_cr), ssad_cr));

227

         struct tlvdb *dacdb = emv_pki_recover_dac(ipk, db, &ssd1_tlv);

229 if (!dacdb) {

                 fprintf(stderr, "Could not recover DAC!\n");

231 emv_pk_free(ipk);

232 tlvdb_free(db);

233 return 2;

234 }

235

         const struct tlv *dac = tlvdb_get(dacdb, 0x9f45, NULL);

237 if (!dac) {

                 fprintf(stderr, "DAC not found!\n");

239 tlvdb_free(dacdb);

240 emv_pk_free(ipk);

241 tlvdb_free(db);

242 return 2;

243 }

244

245 if (verbose) {

                 printf("dac:\n");

                 dump_buffer(dac->value, dac->len, stdout, 0);

248 }

249

250 tlvdb_free(dacdb);

251 emv_pk_free(ipk);

252 tlvdb_free(db);

253

254 return 0;

255 }

256

 int exec_sda_test(bool verbose)

258 {

259 int ret;

         fprintf(stdout, "\n");

261

262 ret = sda_test_raw(verbose);

263 if (ret) {

                 fprintf(stderr, "SDA raw test: failed\n");

265 return ret;

266 }

         fprintf(stdout, "SDA raw test: passed\n");

268

269 ret = sda_test_pk(verbose);

270 if (ret) {

                 fprintf(stderr, "SDA test pk: failed\n");

272 return ret;

273 }

         fprintf(stdout, "SDA test pk: passed\n");

275

276 return 0;

277 }