NativeCrypto.java revision 3d74b4bec8543e6e3f89eafe3afe0925f3a69f01
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package org.apache.harmony.xnet.provider.jsse; 18 19import java.io.FileDescriptor; 20import java.io.IOException; 21import java.net.SocketTimeoutException; 22import java.nio.ByteOrder; 23import java.security.MessageDigest; 24import java.security.NoSuchAlgorithmException; 25import java.security.cert.Certificate; 26import java.security.cert.CertificateEncodingException; 27import java.security.cert.CertificateException; 28import java.security.cert.X509Certificate; 29import java.util.ArrayList; 30import java.util.HashMap; 31import java.util.LinkedHashMap; 32import java.util.List; 33import java.util.Map; 34import javax.net.ssl.SSLException; 35import javax.security.auth.x500.X500Principal; 36import libcore.io.Memory; 37 38/** 39 * Provides the Java side of our JNI glue for OpenSSL. 40 */ 41public final class NativeCrypto { 42 43 // --- OpenSSL library initialization -------------------------------------- 44 static { 45 clinit(); 46 } 47 48 private native static void clinit(); 49 50 // --- ENGINE functions ---------------------------------------------------- 51 public static native void ENGINE_load_dynamic(); 52 53 public static native int ENGINE_by_id(String id); 54 55 public static native int ENGINE_init(int e); 56 57 public static native int ENGINE_finish(int e); 58 59 public static native int ENGINE_free(int e); 60 61 public static native int ENGINE_load_private_key(int e, String key_id); 62 63 // --- DSA/RSA public/private key handling functions ----------------------- 64 65 public static native int EVP_PKEY_new_DSA(byte[] p, byte[] q, byte[] g, 66 byte[] pub_key, byte[] priv_key); 67 68 public static native int EVP_PKEY_new_RSA(byte[] n, byte[] e, byte[] d, byte[] p, byte[] q, 69 byte[] dmp1, byte[] dmq1, byte[] iqmp); 70 71 public static native int EVP_PKEY_size(int pkey); 72 73 public static native int EVP_PKEY_type(int pkey); 74 75 public static native void EVP_PKEY_free(int pkey); 76 77 public static native byte[] i2d_PKCS8_PRIV_KEY_INFO(int pkey); 78 79 public static native int d2i_PKCS8_PRIV_KEY_INFO(byte[] data); 80 81 public static native byte[] i2d_PUBKEY(int pkey); 82 83 public static native int d2i_PUBKEY(byte[] data); 84 85 public static native int RSA_generate_key_ex(int modulusBits, byte[] publicExponent); 86 87 /** 88 * @return array of {n, e} 89 */ 90 public static native byte[][] get_RSA_public_params(int rsa); 91 92 /** 93 * @return array of {n, e, d, p, q, dmp1, dmq1, iqmp} 94 */ 95 public static native byte[][] get_RSA_private_params(int rsa); 96 97 public static native int DSA_generate_key(int primeBits, byte[] seed, byte[] g, byte[] p, 98 byte[] q); 99 100 /** 101 * @return array of {g, p, q, y(pub), x(priv)} 102 */ 103 public static native byte[][] get_DSA_params(int dsa); 104 105 public static native byte[] i2d_RSAPublicKey(int rsa); 106 107 public static native byte[] i2d_RSAPrivateKey(int rsa); 108 109 public static native byte[] i2d_DSAPublicKey(int dsa); 110 111 public static native byte[] i2d_DSAPrivateKey(int dsa); 112 113 // --- Message digest functions -------------- 114 115 public static native int EVP_get_digestbyname(String name); 116 117 public static native int EVP_MD_size(int evp_md); 118 119 public static native int EVP_MD_block_size(int evp_md); 120 121 // --- Message digest context functions -------------- 122 123 public static native void EVP_MD_CTX_destroy(int ctx); 124 125 public static native int EVP_MD_CTX_copy(int ctx); 126 127 // --- Digest handling functions ------------------------------------------- 128 129 public static native int EVP_DigestInit(int evp_md); 130 131 public static native void EVP_DigestUpdate(int ctx, byte[] buffer, int offset, int length); 132 133 public static native int EVP_DigestFinal(int ctx, byte[] hash, int offset); 134 135 // --- Signature handling functions ---------------------------------------- 136 137 public static native int EVP_SignInit(String algorithm); 138 139 public static native void EVP_SignUpdate(int ctx, byte[] buffer, 140 int offset, int length); 141 142 public static native int EVP_SignFinal(int ctx, byte[] signature, int offset, int key); 143 144 public static native int EVP_VerifyInit(String algorithm); 145 146 public static native void EVP_VerifyUpdate(int ctx, byte[] buffer, 147 int offset, int length); 148 149 public static native int EVP_VerifyFinal(int ctx, byte[] signature, 150 int offset, int length, int key); 151 152 153 // --- Block ciphers ------------------------------------------------------- 154 155 public static native int EVP_get_cipherbyname(String string); 156 157 public static native int EVP_CipherInit_ex(int cipherNid, byte[] key, byte[] iv, 158 boolean encrypting); 159 160 public static native int EVP_CipherUpdate(int ctx, byte[] out, int outOffset, byte[] in, 161 int inOffset); 162 163 public static native int EVP_CipherFinal_ex(int ctx, byte[] out, int outOffset); 164 165 public static native void EVP_CIPHER_CTX_cleanup(int ctx); 166 167 // --- RAND seeding -------------------------------------------------------- 168 169 public static final int RAND_SEED_LENGTH_IN_BYTES = 1024; 170 171 public static native void RAND_seed(byte[] seed); 172 173 public static native int RAND_load_file(String filename, long max_bytes); 174 175 // --- X509_NAME ----------------------------------------------------------- 176 177 public static int X509_NAME_hash(X500Principal principal) { 178 return X509_NAME_hash(principal, "SHA1"); 179 } 180 public static int X509_NAME_hash_old(X500Principal principal) { 181 return X509_NAME_hash(principal, "MD5"); 182 } 183 private static int X509_NAME_hash(X500Principal principal, String algorithm) { 184 try { 185 byte[] digest = MessageDigest.getInstance(algorithm).digest(principal.getEncoded()); 186 return Memory.peekInt(digest, 0, ByteOrder.LITTLE_ENDIAN); 187 } catch (NoSuchAlgorithmException e) { 188 throw new AssertionError(e); 189 } 190 } 191 192 // --- SSL handling -------------------------------------------------------- 193 194 private static final String SUPPORTED_PROTOCOL_SSLV3 = "SSLv3"; 195 private static final String SUPPORTED_PROTOCOL_TLSV1 = "TLSv1"; 196 private static final String SUPPORTED_PROTOCOL_TLSV1_1 = "TLSv1.1"; 197 private static final String SUPPORTED_PROTOCOL_TLSV1_2 = "TLSv1.2"; 198 199 public static final Map<String, String> OPENSSL_TO_STANDARD_CIPHER_SUITES 200 = new HashMap<String, String>(); 201 public static final Map<String, String> STANDARD_TO_OPENSSL_CIPHER_SUITES 202 = new LinkedHashMap<String, String>(); 203 204 private static void add(String standard, String openssl) { 205 OPENSSL_TO_STANDARD_CIPHER_SUITES.put(openssl, standard); 206 STANDARD_TO_OPENSSL_CIPHER_SUITES.put(standard, openssl); 207 } 208 209 /** 210 * TLS_EMPTY_RENEGOTIATION_INFO_SCSV is RFC 5746's renegotiation 211 * indication signaling cipher suite value. It is not a real 212 * cipher suite. It is just an indication in the default and 213 * supported cipher suite lists indicates that the implementation 214 * supports secure renegotiation. 215 * 216 * In the RI, its presence means that the SCSV is sent in the 217 * cipher suite list to indicate secure renegotiation support and 218 * its absense means to send an empty TLS renegotiation info 219 * extension instead. 220 * 221 * However, OpenSSL doesn't provide an API to give this level of 222 * control, instead always sending the SCSV and always including 223 * the empty renegotiation info if TLS is used (as opposed to 224 * SSL). So we simply allow TLS_EMPTY_RENEGOTIATION_INFO_SCSV to 225 * be passed for compatibility as to provide the hint that we 226 * support secure renegotiation. 227 */ 228 public static final String TLS_EMPTY_RENEGOTIATION_INFO_SCSV 229 = "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"; 230 231 static { 232 // Note these are added in priority order 233 add("SSL_RSA_WITH_RC4_128_MD5", "RC4-MD5"); 234 add("SSL_RSA_WITH_RC4_128_SHA", "RC4-SHA"); 235 add("TLS_RSA_WITH_AES_128_CBC_SHA", "AES128-SHA"); 236 add("TLS_RSA_WITH_AES_256_CBC_SHA", "AES256-SHA"); 237 add("TLS_ECDH_ECDSA_WITH_RC4_128_SHA", "ECDH-ECDSA-RC4-SHA"); 238 add("TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA", "ECDH-ECDSA-AES128-SHA"); 239 add("TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA", "ECDH-ECDSA-AES256-SHA"); 240 add("TLS_ECDH_RSA_WITH_RC4_128_SHA", "ECDH-RSA-RC4-SHA"); 241 add("TLS_ECDH_RSA_WITH_AES_128_CBC_SHA", "ECDH-RSA-AES128-SHA"); 242 add("TLS_ECDH_RSA_WITH_AES_256_CBC_SHA", "ECDH-RSA-AES256-SHA"); 243 add("TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", "ECDHE-ECDSA-RC4-SHA"); 244 add("TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA", "ECDHE-ECDSA-AES128-SHA"); 245 add("TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA", "ECDHE-ECDSA-AES256-SHA"); 246 add("TLS_ECDHE_RSA_WITH_RC4_128_SHA", "ECDHE-RSA-RC4-SHA"); 247 add("TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", "ECDHE-RSA-AES128-SHA"); 248 add("TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA", "ECDHE-RSA-AES256-SHA"); 249 add("TLS_DHE_RSA_WITH_AES_128_CBC_SHA", "DHE-RSA-AES128-SHA"); 250 add("TLS_DHE_RSA_WITH_AES_256_CBC_SHA", "DHE-RSA-AES256-SHA"); 251 add("TLS_DHE_DSS_WITH_AES_128_CBC_SHA", "DHE-DSS-AES128-SHA"); 252 add("TLS_DHE_DSS_WITH_AES_256_CBC_SHA", "DHE-DSS-AES256-SHA"); 253 add("SSL_RSA_WITH_3DES_EDE_CBC_SHA", "DES-CBC3-SHA"); 254 add("TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA", "ECDH-ECDSA-DES-CBC3-SHA"); 255 add("TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA", "ECDH-RSA-DES-CBC3-SHA"); 256 add("TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA", "ECDHE-ECDSA-DES-CBC3-SHA"); 257 add("TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", "ECDHE-RSA-DES-CBC3-SHA"); 258 add("SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA", "EDH-RSA-DES-CBC3-SHA"); 259 add("SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA", "EDH-DSS-DES-CBC3-SHA"); 260 add("SSL_RSA_WITH_DES_CBC_SHA", "DES-CBC-SHA"); 261 add("SSL_DHE_RSA_WITH_DES_CBC_SHA", "EDH-RSA-DES-CBC-SHA"); 262 add("SSL_DHE_DSS_WITH_DES_CBC_SHA", "EDH-DSS-DES-CBC-SHA"); 263 add("SSL_RSA_EXPORT_WITH_RC4_40_MD5", "EXP-RC4-MD5"); 264 add("SSL_RSA_EXPORT_WITH_DES40_CBC_SHA", "EXP-DES-CBC-SHA"); 265 add("SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA", "EXP-EDH-RSA-DES-CBC-SHA"); 266 add("SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA", "EXP-EDH-DSS-DES-CBC-SHA"); 267 add("SSL_RSA_WITH_NULL_MD5", "NULL-MD5"); 268 add("SSL_RSA_WITH_NULL_SHA", "NULL-SHA"); 269 add("TLS_ECDH_ECDSA_WITH_NULL_SHA", "ECDH-ECDSA-NULL-SHA"); 270 add("TLS_ECDH_RSA_WITH_NULL_SHA", "ECDH-RSA-NULL-SHA"); 271 add("TLS_ECDHE_ECDSA_WITH_NULL_SHA", "ECDHE-ECDSA-NULL-SHA"); 272 add("TLS_ECDHE_RSA_WITH_NULL_SHA", "ECDHE-RSA-NULL-SHA"); 273 add("SSL_DH_anon_WITH_RC4_128_MD5", "ADH-RC4-MD5"); 274 add("TLS_DH_anon_WITH_AES_128_CBC_SHA", "ADH-AES128-SHA"); 275 add("TLS_DH_anon_WITH_AES_256_CBC_SHA", "ADH-AES256-SHA"); 276 add("SSL_DH_anon_WITH_3DES_EDE_CBC_SHA", "ADH-DES-CBC3-SHA"); 277 add("SSL_DH_anon_WITH_DES_CBC_SHA", "ADH-DES-CBC-SHA"); 278 add("TLS_ECDH_anon_WITH_RC4_128_SHA", "AECDH-RC4-SHA"); 279 add("TLS_ECDH_anon_WITH_AES_128_CBC_SHA", "AECDH-AES128-SHA"); 280 add("TLS_ECDH_anon_WITH_AES_256_CBC_SHA", "AECDH-AES256-SHA"); 281 add("TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA", "AECDH-DES-CBC3-SHA"); 282 add("SSL_DH_anon_EXPORT_WITH_RC4_40_MD5", "EXP-ADH-RC4-MD5"); 283 add("SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA", "EXP-ADH-DES-CBC-SHA"); 284 add("TLS_ECDH_anon_WITH_NULL_SHA", "AECDH-NULL-SHA"); 285 286 // No Kerberos in Android 287 // add("TLS_KRB5_WITH_RC4_128_SHA", "KRB5-RC4-SHA"); 288 // add("TLS_KRB5_WITH_RC4_128_MD5", "KRB5-RC4-MD5"); 289 // add("TLS_KRB5_WITH_3DES_EDE_CBC_SHA", "KRB5-DES-CBC3-SHA"); 290 // add("TLS_KRB5_WITH_3DES_EDE_CBC_MD5", "KRB5-DES-CBC3-MD5"); 291 // add("TLS_KRB5_WITH_DES_CBC_SHA", "KRB5-DES-CBC-SHA"); 292 // add("TLS_KRB5_WITH_DES_CBC_MD5", "KRB5-DES-CBC-MD5"); 293 // add("TLS_KRB5_EXPORT_WITH_RC4_40_SHA", "EXP-KRB5-RC4-SHA"); 294 // add("TLS_KRB5_EXPORT_WITH_RC4_40_MD5", "EXP-KRB5-RC4-MD5"); 295 // add("TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA", "EXP-KRB5-DES-CBC-SHA"); 296 // add("TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5", "EXP-KRB5-DES-CBC-MD5"); 297 298 // not implemented by either RI or OpenSSL 299 // add("SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA", null); 300 // add("SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA", null); 301 302 // EXPORT1024 suites were never standardized but were widely implemented. 303 // OpenSSL 0.9.8c and later have disabled TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES 304 // add("SSL_RSA_EXPORT1024_WITH_DES_CBC_SHA", "EXP1024-DES-CBC-SHA"); 305 // add("SSL_RSA_EXPORT1024_WITH_RC4_56_SHA", "EXP1024-RC4-SHA"); 306 307 // No RC2 308 // add("SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5", "EXP-RC2-CBC-MD5"); 309 // add("TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA", "EXP-KRB5-RC2-CBC-SHA"); 310 // add("TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5", "EXP-KRB5-RC2-CBC-MD5"); 311 312 // PSK is Private Shared Key - didn't exist in Froyo's openssl - no JSSE equivalent 313 // add(null, "PSK-3DES-EDE-CBC-SHA"); 314 // add(null, "PSK-AES128-CBC-SHA"); 315 // add(null, "PSK-AES256-CBC-SHA"); 316 // add(null, "PSK-RC4-SHA"); 317 318 // Signaling Cipher Suite Value for secure renegotiation handled as special case. 319 // add("TLS_EMPTY_RENEGOTIATION_INFO_SCSV", null); 320 } 321 322 private static final String[] SUPPORTED_CIPHER_SUITES; 323 static { 324 int size = STANDARD_TO_OPENSSL_CIPHER_SUITES.size(); 325 SUPPORTED_CIPHER_SUITES = new String[size + 1]; 326 STANDARD_TO_OPENSSL_CIPHER_SUITES.keySet().toArray(SUPPORTED_CIPHER_SUITES); 327 SUPPORTED_CIPHER_SUITES[size] = TLS_EMPTY_RENEGOTIATION_INFO_SCSV; 328 } 329 330 // EVP_PKEY types from evp.h and objects.h 331 public static final int EVP_PKEY_RSA = 6; // NID_rsaEcnryption 332 public static final int EVP_PKEY_DSA = 116; // NID_dsa 333 public static final int EVP_PKEY_DH = 28; // NID_dhKeyAgreement 334 public static final int EVP_PKEY_EC = 408; // NID_X9_62_id_ecPublicKey 335 336 // SSL mode from ssl.h 337 public static final long SSL_MODE_HANDSHAKE_CUTTHROUGH = 0x00000040L; 338 339 // SSL options from ssl.h 340 public static final long SSL_OP_NO_TICKET = 0x00004000L; 341 public static final long SSL_OP_NO_COMPRESSION = 0x00020000L; 342 public static final long SSL_OP_NO_SSLv3 = 0x02000000L; 343 public static final long SSL_OP_NO_TLSv1 = 0x04000000L; 344 public static final long SSL_OP_NO_TLSv1_1 = 0x00000400L; 345 public static final long SSL_OP_NO_TLSv1_2 = 0x08000000L; 346 347 public static native int SSL_CTX_new(); 348 349 public static String[] getDefaultCipherSuites() { 350 return new String[] { 351 "SSL_RSA_WITH_RC4_128_MD5", 352 "SSL_RSA_WITH_RC4_128_SHA", 353 "TLS_RSA_WITH_AES_128_CBC_SHA", 354 "TLS_RSA_WITH_AES_256_CBC_SHA", 355 "TLS_ECDH_ECDSA_WITH_RC4_128_SHA", 356 "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA", 357 "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA", 358 "TLS_ECDH_RSA_WITH_RC4_128_SHA", 359 "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA", 360 "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA", 361 "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", 362 "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA", 363 "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA", 364 "TLS_ECDHE_RSA_WITH_RC4_128_SHA", 365 "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", 366 "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA", 367 "TLS_DHE_RSA_WITH_AES_128_CBC_SHA", 368 "TLS_DHE_RSA_WITH_AES_256_CBC_SHA", 369 "TLS_DHE_DSS_WITH_AES_128_CBC_SHA", 370 "TLS_DHE_DSS_WITH_AES_256_CBC_SHA", 371 "SSL_RSA_WITH_3DES_EDE_CBC_SHA", 372 "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA", 373 "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA", 374 "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA", 375 "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", 376 "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA", 377 "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA", 378 "SSL_RSA_WITH_DES_CBC_SHA", 379 "SSL_DHE_RSA_WITH_DES_CBC_SHA", 380 "SSL_DHE_DSS_WITH_DES_CBC_SHA", 381 "SSL_RSA_EXPORT_WITH_RC4_40_MD5", 382 "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA", 383 "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA", 384 "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA", 385 TLS_EMPTY_RENEGOTIATION_INFO_SCSV 386 }; 387 } 388 389 public static String[] getSupportedCipherSuites() { 390 return SUPPORTED_CIPHER_SUITES.clone(); 391 } 392 393 public static native void SSL_CTX_free(int ssl_ctx); 394 395 public static native int SSL_new(int ssl_ctx) throws SSLException; 396 397 public static byte[][] encodeCertificates(Certificate[] certificates) 398 throws CertificateEncodingException { 399 byte[][] certificateBytes = new byte[certificates.length][]; 400 for (int i = 0; i < certificates.length; i++) { 401 certificateBytes[i] = certificates[i].getEncoded(); 402 } 403 return certificateBytes; 404 } 405 406 public static native void SSL_use_certificate(int ssl, byte[][] asn1DerEncodedCertificateChain); 407 408 public static native void SSL_use_OpenSSL_PrivateKey(int ssl, int pkey); 409 410 public static native void SSL_use_PrivateKey(int ssl, byte[] pkcs8EncodedPrivateKey); 411 412 public static native void SSL_check_private_key(int ssl) throws SSLException; 413 414 public static byte[][] encodeIssuerX509Principals(X509Certificate[] certificates) 415 throws CertificateEncodingException { 416 byte[][] principalBytes = new byte[certificates.length][]; 417 for (int i = 0; i < certificates.length; i++) { 418 principalBytes[i] = certificates[i].getIssuerX500Principal().getEncoded(); 419 } 420 return principalBytes; 421 } 422 423 public static native void SSL_set_client_CA_list(int ssl, byte[][] asn1DerEncodedX500Principals); 424 425 public static native long SSL_get_mode(int ssl); 426 427 public static native long SSL_set_mode(int ssl, long mode); 428 429 public static native long SSL_clear_mode(int ssl, long mode); 430 431 public static native long SSL_get_options(int ssl); 432 433 public static native long SSL_set_options(int ssl, long options); 434 435 public static native long SSL_clear_options(int ssl, long options); 436 437 public static String[] getDefaultProtocols() { 438 return new String[] { SUPPORTED_PROTOCOL_SSLV3, 439 SUPPORTED_PROTOCOL_TLSV1, 440 }; 441 } 442 443 public static String[] getSupportedProtocols() { 444 return new String[] { SUPPORTED_PROTOCOL_SSLV3, 445 SUPPORTED_PROTOCOL_TLSV1, 446 SUPPORTED_PROTOCOL_TLSV1_1, 447 SUPPORTED_PROTOCOL_TLSV1_2, 448 }; 449 } 450 451 public static void setEnabledProtocols(int ssl, String[] protocols) { 452 checkEnabledProtocols(protocols); 453 // openssl uses negative logic letting you disable protocols. 454 // so first, assume we need to set all (disable all) and clear none (enable none). 455 // in the loop, selectively move bits from set to clear (from disable to enable) 456 long optionsToSet = (SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2); 457 long optionsToClear = 0; 458 for (int i = 0; i < protocols.length; i++) { 459 String protocol = protocols[i]; 460 if (protocol.equals(SUPPORTED_PROTOCOL_SSLV3)) { 461 optionsToSet &= ~SSL_OP_NO_SSLv3; 462 optionsToClear |= SSL_OP_NO_SSLv3; 463 } else if (protocol.equals(SUPPORTED_PROTOCOL_TLSV1)) { 464 optionsToSet &= ~SSL_OP_NO_TLSv1; 465 optionsToClear |= SSL_OP_NO_TLSv1; 466 } else if (protocol.equals(SUPPORTED_PROTOCOL_TLSV1_1)) { 467 optionsToSet &= ~SSL_OP_NO_TLSv1_1; 468 optionsToClear |= SSL_OP_NO_TLSv1_1; 469 } else if (protocol.equals(SUPPORTED_PROTOCOL_TLSV1_2)) { 470 optionsToSet &= ~SSL_OP_NO_TLSv1_2; 471 optionsToClear |= SSL_OP_NO_TLSv1_2; 472 } else { 473 // error checked by checkEnabledProtocols 474 throw new IllegalStateException(); 475 } 476 } 477 478 SSL_set_options(ssl, optionsToSet); 479 SSL_clear_options(ssl, optionsToClear); 480 } 481 482 public static String[] checkEnabledProtocols(String[] protocols) { 483 if (protocols == null) { 484 throw new IllegalArgumentException("protocols == null"); 485 } 486 for (int i = 0; i < protocols.length; i++) { 487 String protocol = protocols[i]; 488 if (protocol == null) { 489 throw new IllegalArgumentException("protocols[" + i + "] == null"); 490 } 491 if ((!protocol.equals(SUPPORTED_PROTOCOL_SSLV3)) 492 && (!protocol.equals(SUPPORTED_PROTOCOL_TLSV1)) 493 && (!protocol.equals(SUPPORTED_PROTOCOL_TLSV1_1)) 494 && (!protocol.equals(SUPPORTED_PROTOCOL_TLSV1_2))) { 495 throw new IllegalArgumentException("protocol " + protocol 496 + " is not supported"); 497 } 498 } 499 return protocols; 500 } 501 502 public static native void SSL_set_cipher_lists(int ssl, String[] ciphers); 503 504 public static void setEnabledCipherSuites(int ssl, String[] cipherSuites) { 505 checkEnabledCipherSuites(cipherSuites); 506 List<String> opensslSuites = new ArrayList<String>(); 507 for (int i = 0; i < cipherSuites.length; i++) { 508 String cipherSuite = cipherSuites[i]; 509 if (cipherSuite.equals(TLS_EMPTY_RENEGOTIATION_INFO_SCSV)) { 510 continue; 511 } 512 String openssl = STANDARD_TO_OPENSSL_CIPHER_SUITES.get(cipherSuite); 513 String cs = (openssl == null) ? cipherSuite : openssl; 514 opensslSuites.add(cs); 515 } 516 SSL_set_cipher_lists(ssl, opensslSuites.toArray(new String[opensslSuites.size()])); 517 } 518 519 public static String[] checkEnabledCipherSuites(String[] cipherSuites) { 520 if (cipherSuites == null) { 521 throw new IllegalArgumentException("cipherSuites == null"); 522 } 523 // makes sure all suites are valid, throwing on error 524 for (int i = 0; i < cipherSuites.length; i++) { 525 String cipherSuite = cipherSuites[i]; 526 if (cipherSuite == null) { 527 throw new IllegalArgumentException("cipherSuites[" + i + "] == null"); 528 } 529 if (cipherSuite.equals(TLS_EMPTY_RENEGOTIATION_INFO_SCSV)) { 530 continue; 531 } 532 if (STANDARD_TO_OPENSSL_CIPHER_SUITES.containsKey(cipherSuite)) { 533 continue; 534 } 535 if (OPENSSL_TO_STANDARD_CIPHER_SUITES.containsKey(cipherSuite)) { 536 // TODO log warning about using backward compatability 537 continue; 538 } 539 throw new IllegalArgumentException("cipherSuite " + cipherSuite + " is not supported."); 540 } 541 return cipherSuites; 542 } 543 544 public static final String SUPPORTED_COMPRESSION_METHOD_ZLIB = "ZLIB"; 545 public static final String SUPPORTED_COMPRESSION_METHOD_NULL = "NULL"; 546 547 private static final String[] SUPPORTED_COMPRESSION_METHODS 548 = { SUPPORTED_COMPRESSION_METHOD_ZLIB, SUPPORTED_COMPRESSION_METHOD_NULL }; 549 550 public static String[] getSupportedCompressionMethods() { 551 return SUPPORTED_COMPRESSION_METHODS.clone(); 552 } 553 554 public static final String[] getDefaultCompressionMethods() { 555 return new String[] { SUPPORTED_COMPRESSION_METHOD_NULL }; 556 } 557 558 public static String[] checkEnabledCompressionMethods(String[] methods) { 559 if (methods == null) { 560 throw new IllegalArgumentException("methods == null"); 561 } 562 if (methods.length < 1 563 && !methods[methods.length-1].equals(SUPPORTED_COMPRESSION_METHOD_NULL)) { 564 throw new IllegalArgumentException("last method must be NULL"); 565 } 566 for (int i = 0; i < methods.length; i++) { 567 String method = methods[i]; 568 if (method == null) { 569 throw new IllegalArgumentException("methods[" + i + "] == null"); 570 } 571 if (!method.equals(SUPPORTED_COMPRESSION_METHOD_ZLIB) 572 && !method.equals(SUPPORTED_COMPRESSION_METHOD_NULL)) { 573 throw new IllegalArgumentException("method " + method 574 + " is not supported"); 575 } 576 } 577 return methods; 578 } 579 580 public static void setEnabledCompressionMethods(int ssl, String[] methods) { 581 checkEnabledCompressionMethods(methods); 582 // openssl uses negative logic letting you disable compression. 583 // so first, assume we need to set all (disable all) and clear none (enable none). 584 // in the loop, selectively move bits from set to clear (from disable to enable) 585 long optionsToSet = (SSL_OP_NO_COMPRESSION); 586 long optionsToClear = 0; 587 for (int i = 0; i < methods.length; i++) { 588 String method = methods[i]; 589 if (method.equals(SUPPORTED_COMPRESSION_METHOD_NULL)) { 590 // nothing to do to support NULL 591 } else if (method.equals(SUPPORTED_COMPRESSION_METHOD_ZLIB)) { 592 optionsToSet &= ~SSL_OP_NO_COMPRESSION; 593 optionsToClear |= SSL_OP_NO_COMPRESSION; 594 } else { 595 // error checked by checkEnabledCompressionMethods 596 throw new IllegalStateException(); 597 } 598 } 599 600 SSL_set_options(ssl, optionsToSet); 601 SSL_clear_options(ssl, optionsToClear); 602 } 603 604 /* 605 * See the OpenSSL ssl.h header file for more information. 606 */ 607 public static final int SSL_VERIFY_NONE = 0x00; 608 public static final int SSL_VERIFY_PEER = 0x01; 609 public static final int SSL_VERIFY_FAIL_IF_NO_PEER_CERT = 0x02; 610 611 public static native void SSL_set_verify(int sslNativePointer, int mode); 612 613 public static native void SSL_set_session(int sslNativePointer, int sslSessionNativePointer) 614 throws SSLException; 615 616 public static native void SSL_set_session_creation_enabled( 617 int sslNativePointer, boolean creationEnabled) throws SSLException; 618 619 public static native void SSL_set_tlsext_host_name(int sslNativePointer, String hostname) 620 throws SSLException; 621 public static native String SSL_get_servername(int sslNativePointer); 622 623 /** 624 * Enables NPN for all SSL connections in the context. 625 * 626 * <p>For clients this causes the NPN extension to be included in the 627 * ClientHello message. 628 * 629 * <p>For servers this causes the NPN extension to be included in the 630 * ServerHello message. The NPN extension will not be included in the 631 * ServerHello response if the client didn't include it in the ClientHello 632 * request. 633 * 634 * <p>In either case the caller should pass a non-null byte array of NPN 635 * protocols to {@link #SSL_do_handshake}. 636 */ 637 public static native void SSL_CTX_enable_npn(int sslCtxNativePointer); 638 639 /** 640 * Disables NPN for all SSL connections in the context. 641 */ 642 public static native void SSL_CTX_disable_npn(int sslCtxNativePointer); 643 644 /** 645 * Returns the sslSessionNativePointer of the negotiated session 646 */ 647 public static native int SSL_do_handshake(int sslNativePointer, 648 FileDescriptor fd, 649 SSLHandshakeCallbacks shc, 650 int timeout, 651 boolean client_mode, 652 byte[] npnProtocols) 653 throws SSLException, SocketTimeoutException, CertificateException; 654 655 public static native byte[] SSL_get_npn_negotiated_protocol(int sslNativePointer); 656 657 /** 658 * Currently only intended for forcing renegotiation for testing. 659 * Not used within OpenSSLSocketImpl. 660 */ 661 public static native void SSL_renegotiate(int sslNativePointer) throws SSLException; 662 663 /** 664 * Returns the local ASN.1 DER encoded X509 certificates. 665 */ 666 public static native byte[][] SSL_get_certificate(int sslNativePointer); 667 668 /** 669 * Returns the peer ASN.1 DER encoded X509 certificates. 670 */ 671 public static native byte[][] SSL_get_peer_cert_chain(int sslNativePointer); 672 673 /** 674 * Reads with the native SSL_read function from the encrypted data stream 675 * @return -1 if error or the end of the stream is reached. 676 */ 677 public static native int SSL_read(int sslNativePointer, 678 FileDescriptor fd, 679 SSLHandshakeCallbacks shc, 680 byte[] b, int off, int len, int timeout) 681 throws IOException; 682 683 /** 684 * Writes with the native SSL_write function to the encrypted data stream. 685 */ 686 public static native void SSL_write(int sslNativePointer, 687 FileDescriptor fd, 688 SSLHandshakeCallbacks shc, 689 byte[] b, int off, int len) 690 throws IOException; 691 692 public static native void SSL_interrupt(int sslNativePointer); 693 public static native void SSL_shutdown(int sslNativePointer, 694 FileDescriptor fd, 695 SSLHandshakeCallbacks shc) throws IOException; 696 697 public static native void SSL_free(int sslNativePointer); 698 699 public static native byte[] SSL_SESSION_session_id(int sslSessionNativePointer); 700 701 public static native long SSL_SESSION_get_time(int sslSessionNativePointer); 702 703 public static native String SSL_SESSION_get_version(int sslSessionNativePointer); 704 705 public static native String SSL_SESSION_cipher(int sslSessionNativePointer); 706 707 public static native String SSL_SESSION_compress_meth(int sslCtxNativePointer, 708 int sslSessionNativePointer); 709 710 public static native void SSL_SESSION_free(int sslSessionNativePointer); 711 712 public static native byte[] i2d_SSL_SESSION(int sslSessionNativePointer); 713 714 public static native int d2i_SSL_SESSION(byte[] data); 715 716 /** 717 * A collection of callbacks from the native OpenSSL code that are 718 * related to the SSL handshake initiated by SSL_do_handshake. 719 */ 720 public interface SSLHandshakeCallbacks { 721 /** 722 * Verify that we trust the certificate chain is trusted. 723 * 724 * @param asn1DerEncodedCertificateChain A chain of ASN.1 DER encoded certificates 725 * @param authMethod auth algorithm name 726 * 727 * @throws CertificateException if the certificate is untrusted 728 */ 729 public void verifyCertificateChain(byte[][] asn1DerEncodedCertificateChain, String authMethod) 730 throws CertificateException; 731 732 /** 733 * Called on an SSL client when the server requests (or 734 * requires a certificate). The client can respond by using 735 * SSL_use_certificate and SSL_use_PrivateKey to set a 736 * certificate if has an appropriate one available, similar to 737 * how the server provides its certificate. 738 * 739 * @param keyTypes key types supported by the server, 740 * convertible to strings with #keyType 741 * @param asn1DerEncodedX500Principals CAs known to the server 742 */ 743 public void clientCertificateRequested(byte[] keyTypes, 744 byte[][] asn1DerEncodedX500Principals) 745 throws CertificateEncodingException, SSLException; 746 747 /** 748 * Called when SSL handshake is completed. Note that this can 749 * be after SSL_do_handshake returns when handshake cutthrough 750 * is enabled. 751 */ 752 public void handshakeCompleted(); 753 } 754} 755