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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.security.pkcs11; | |
| 27 | + | |
| 28 | +import java.math.BigInteger; | |
| 29 | + | |
| 30 | +import java.security.*; | |
| 31 | +import java.security.interfaces.*; | |
| 32 | +import java.security.spec.*; | |
| 33 | + | |
| 34 | +import static sun.security.pkcs11.TemplateManager.*; | |
| 35 | +import sun.security.pkcs11.wrapper.*; | |
| 36 | +import static sun.security.pkcs11.wrapper.PKCS11Constants.*; | |
| 37 | + | |
| 38 | +import sun.security.rsa.RSAKeyFactory; | |
| 39 | + | |
| 40 | +/** | |
| 41 | + * RSA KeyFactory implemenation. | |
| 42 | + * | |
| 43 | + * @author Andreas Sterbenz | |
| 44 | + * @since 1.5 | |
| 45 | + */ | |
| 46 | +final class P11RSAKeyFactory extends P11KeyFactory { | |
| 47 | + | |
| 48 | + P11RSAKeyFactory(Token token, String algorithm) { | |
| 49 | + super(token, algorithm); | |
| 50 | + } | |
| 51 | + | |
| 52 | + PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException { | |
| 53 | + try { | |
| 54 | + if (key instanceof RSAPublicKey) { | |
| 55 | + RSAPublicKey rsaKey = (RSAPublicKey)key; | |
| 56 | + return generatePublic( | |
| 57 | + rsaKey.getModulus(), | |
| 58 | + rsaKey.getPublicExponent() | |
| 59 | + ); | |
| 60 | + } else if ("X.509".equals(key.getFormat())) { | |
| 61 | + // let SunRsaSign provider parse for us, then recurse | |
| 62 | + byte[] encoded = key.getEncoded(); | |
| 63 | + key = new sun.security.rsa.RSAPublicKeyImpl(encoded); | |
| 64 | + return implTranslatePublicKey(key); | |
| 65 | + } else { | |
| 66 | + throw new InvalidKeyException("PublicKey must be instance " | |
| 67 | + + "of RSAPublicKey or have X.509 encoding"); | |
| 68 | + } | |
| 69 | + } catch (PKCS11Exception e) { | |
| 70 | + throw new InvalidKeyException("Could not create RSA public key", e); | |
| 71 | + } | |
| 72 | + } | |
| 73 | + | |
| 74 | + PrivateKey implTranslatePrivateKey(PrivateKey key) | |
| 75 | + throws InvalidKeyException { | |
| 76 | + try { | |
| 77 | + if (key instanceof RSAPrivateCrtKey) { | |
| 78 | + RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key; | |
| 79 | + return generatePrivate( | |
| 80 | + rsaKey.getModulus(), | |
| 81 | + rsaKey.getPublicExponent(), | |
| 82 | + rsaKey.getPrivateExponent(), | |
| 83 | + rsaKey.getPrimeP(), | |
| 84 | + rsaKey.getPrimeQ(), | |
| 85 | + rsaKey.getPrimeExponentP(), | |
| 86 | + rsaKey.getPrimeExponentQ(), | |
| 87 | + rsaKey.getCrtCoefficient() | |
| 88 | + ); | |
| 89 | + } else if (key instanceof RSAPrivateKey) { | |
| 90 | + RSAPrivateKey rsaKey = (RSAPrivateKey)key; | |
| 91 | + return generatePrivate( | |
| 92 | + rsaKey.getModulus(), | |
| 93 | + rsaKey.getPrivateExponent() | |
| 94 | + ); | |
| 95 | + } else if ("PKCS#8".equals(key.getFormat())) { | |
| 96 | + // let SunRsaSign provider parse for us, then recurse | |
| 97 | + byte[] encoded = key.getEncoded(); | |
| 98 | + key = sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded); | |
| 99 | + return implTranslatePrivateKey(key); | |
| 100 | + } else { | |
| 101 | + throw new InvalidKeyException("Private key must be instance " | |
| 102 | + + "of RSAPrivate(Crt)Key or have PKCS#8 encoding"); | |
| 103 | + } | |
| 104 | + } catch (PKCS11Exception e) { | |
| 105 | + throw new InvalidKeyException("Could not create RSA private key", e); | |
| 106 | + } | |
| 107 | + } | |
| 108 | + | |
| 109 | + // see JCA spec | |
| 110 | + protected PublicKey engineGeneratePublic(KeySpec keySpec) | |
| 111 | + throws InvalidKeySpecException { | |
| 112 | + token.ensureValid(); | |
| 113 | + if (keySpec instanceof X509EncodedKeySpec) { | |
| 114 | + try { | |
| 115 | + byte[] encoded = ((X509EncodedKeySpec)keySpec).getEncoded(); | |
| 116 | + PublicKey key = new sun.security.rsa.RSAPublicKeyImpl(encoded); | |
| 117 | + return implTranslatePublicKey(key); | |
| 118 | + } catch (InvalidKeyException e) { | |
| 119 | + throw new InvalidKeySpecException | |
| 120 | + ("Could not create RSA public key", e); | |
| 121 | + } | |
| 122 | + } | |
| 123 | + if (keySpec instanceof RSAPublicKeySpec == false) { | |
| 124 | + throw new InvalidKeySpecException("Only RSAPublicKeySpec and " | |
| 125 | + + "X509EncodedKeySpec supported for RSA public keys"); | |
| 126 | + } | |
| 127 | + try { | |
| 128 | + RSAPublicKeySpec rs = (RSAPublicKeySpec)keySpec; | |
| 129 | + return generatePublic( | |
| 130 | + rs.getModulus(), | |
| 131 | + rs.getPublicExponent() | |
| 132 | + ); | |
| 133 | + } catch (PKCS11Exception e) { | |
| 134 | + throw new InvalidKeySpecException | |
| 135 | + ("Could not create RSA public key", e); | |
| 136 | + } catch (InvalidKeyException e) { | |
| 137 | + throw new InvalidKeySpecException | |
| 138 | + ("Could not create RSA public key", e); | |
| 139 | + } | |
| 140 | + } | |
| 141 | + | |
| 142 | + // see JCA spec | |
| 143 | + protected PrivateKey engineGeneratePrivate(KeySpec keySpec) | |
| 144 | + throws InvalidKeySpecException { | |
| 145 | + token.ensureValid(); | |
| 146 | + if (keySpec instanceof PKCS8EncodedKeySpec) { | |
| 147 | + try { | |
| 148 | + byte[] encoded = ((PKCS8EncodedKeySpec)keySpec).getEncoded(); | |
| 149 | + PrivateKey key = | |
| 150 | + sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded); | |
| 151 | + return implTranslatePrivateKey(key); | |
| 152 | + } catch (GeneralSecurityException e) { | |
| 153 | + throw new InvalidKeySpecException | |
| 154 | + ("Could not create RSA private key", e); | |
| 155 | + } | |
| 156 | + } | |
| 157 | + try { | |
| 158 | + if (keySpec instanceof RSAPrivateCrtKeySpec) { | |
| 159 | + RSAPrivateCrtKeySpec rs = (RSAPrivateCrtKeySpec)keySpec; | |
| 160 | + return generatePrivate( | |
| 161 | + rs.getModulus(), | |
| 162 | + rs.getPublicExponent(), | |
| 163 | + rs.getPrivateExponent(), | |
| 164 | + rs.getPrimeP(), | |
| 165 | + rs.getPrimeQ(), | |
| 166 | + rs.getPrimeExponentP(), | |
| 167 | + rs.getPrimeExponentQ(), | |
| 168 | + rs.getCrtCoefficient() | |
| 169 | + ); | |
| 170 | + } else if (keySpec instanceof RSAPrivateKeySpec) { | |
| 171 | + RSAPrivateKeySpec rs = (RSAPrivateKeySpec)keySpec; | |
| 172 | + return generatePrivate( | |
| 173 | + rs.getModulus(), | |
| 174 | + rs.getPrivateExponent() | |
| 175 | + ); | |
| 176 | + } else { | |
| 177 | + throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec " | |
| 178 | + + "and PKCS8EncodedKeySpec supported for RSA private keys"); | |
| 179 | + } | |
| 180 | + } catch (PKCS11Exception e) { | |
| 181 | + throw new InvalidKeySpecException | |
| 182 | + ("Could not create RSA private key", e); | |
| 183 | + } catch (InvalidKeyException e) { | |
| 184 | + throw new InvalidKeySpecException | |
| 185 | + ("Could not create RSA private key", e); | |
| 186 | + } | |
| 187 | + } | |
| 188 | + | |
| 189 | + private PublicKey generatePublic(BigInteger n, BigInteger e) | |
| 190 | + throws PKCS11Exception, InvalidKeyException { | |
| 191 | + RSAKeyFactory.checkKeyLengths(n.bitLength(), e, -1, 64 * 1024); | |
| 192 | + CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { | |
| 193 | + new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY), | |
| 194 | + new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), | |
| 195 | + new CK_ATTRIBUTE(CKA_MODULUS, n), | |
| 196 | + new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e), | |
| 197 | + }; | |
| 198 | + attributes = token.getAttributes | |
| 199 | + (O_IMPORT, CKO_PUBLIC_KEY, CKK_RSA, attributes); | |
| 200 | + Session session = null; | |
| 201 | + try { | |
| 202 | + session = token.getObjSession(); | |
| 203 | + long keyID = token.p11.C_CreateObject(session.id(), attributes); | |
| 204 | + return P11Key.publicKey | |
| 205 | + (session, keyID, "RSA", n.bitLength(), attributes); | |
| 206 | + } finally { | |
| 207 | + token.releaseSession(session); | |
| 208 | + } | |
| 209 | + } | |
| 210 | + | |
| 211 | + private PrivateKey generatePrivate(BigInteger n, BigInteger d) | |
| 212 | + throws PKCS11Exception, InvalidKeyException { | |
| 213 | + RSAKeyFactory.checkKeyLengths(n.bitLength(), null, -1, 64 * 1024); | |
| 214 | + CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { | |
| 215 | + new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY), | |
| 216 | + new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), | |
| 217 | + new CK_ATTRIBUTE(CKA_MODULUS, n), | |
| 218 | + new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d), | |
| 219 | + }; | |
| 220 | + attributes = token.getAttributes | |
| 221 | + (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes); | |
| 222 | + Session session = null; | |
| 223 | + try { | |
| 224 | + session = token.getObjSession(); | |
| 225 | + long keyID = token.p11.C_CreateObject(session.id(), attributes); | |
| 226 | + return P11Key.privateKey | |
| 227 | + (session, keyID, "RSA", n.bitLength(), attributes); | |
| 228 | + } finally { | |
| 229 | + token.releaseSession(session); | |
| 230 | + } | |
| 231 | + } | |
| 232 | + | |
| 233 | + private PrivateKey generatePrivate(BigInteger n, BigInteger e, | |
| 234 | + BigInteger d, BigInteger p, BigInteger q, BigInteger pe, | |
| 235 | + BigInteger qe, BigInteger coeff) throws PKCS11Exception, | |
| 236 | + InvalidKeyException { | |
| 237 | + RSAKeyFactory.checkKeyLengths(n.bitLength(), e, -1, 64 * 1024); | |
| 238 | + CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { | |
| 239 | + new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY), | |
| 240 | + new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), | |
| 241 | + new CK_ATTRIBUTE(CKA_MODULUS, n), | |
| 242 | + new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e), | |
| 243 | + new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d), | |
| 244 | + new CK_ATTRIBUTE(CKA_PRIME_1, p), | |
| 245 | + new CK_ATTRIBUTE(CKA_PRIME_2, q), | |
| 246 | + new CK_ATTRIBUTE(CKA_EXPONENT_1, pe), | |
| 247 | + new CK_ATTRIBUTE(CKA_EXPONENT_2, qe), | |
| 248 | + new CK_ATTRIBUTE(CKA_COEFFICIENT, coeff), | |
| 249 | + }; | |
| 250 | + attributes = token.getAttributes | |
| 251 | + (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes); | |
| 252 | + Session session = null; | |
| 253 | + try { | |
| 254 | + session = token.getObjSession(); | |
| 255 | + long keyID = token.p11.C_CreateObject(session.id(), attributes); | |
| 256 | + return P11Key.privateKey | |
| 257 | + (session, keyID, "RSA", n.bitLength(), attributes); | |
| 258 | + } finally { | |
| 259 | + token.releaseSession(session); | |
| 260 | + } | |
| 261 | + } | |
| 262 | + | |
| 263 | + KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, Session[] session) | |
| 264 | + throws PKCS11Exception, InvalidKeySpecException { | |
| 265 | + if (RSAPublicKeySpec.class.isAssignableFrom(keySpec)) { | |
| 266 | + session[0] = token.getObjSession(); | |
| 267 | + CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { | |
| 268 | + new CK_ATTRIBUTE(CKA_MODULUS), | |
| 269 | + new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT), | |
| 270 | + }; | |
| 271 | + token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes); | |
| 272 | + KeySpec spec = new RSAPublicKeySpec( | |
| 273 | + attributes[0].getBigInteger(), | |
| 274 | + attributes[1].getBigInteger() | |
| 275 | + ); | |
| 276 | + return spec; | |
| 277 | + } else { // X.509 handled in superclass | |
| 278 | + throw new InvalidKeySpecException("Only RSAPublicKeySpec and " | |
| 279 | + + "X509EncodedKeySpec supported for RSA public keys"); | |
| 280 | + } | |
| 281 | + } | |
| 282 | + | |
| 283 | + KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, Session[] session) | |
| 284 | + throws PKCS11Exception, InvalidKeySpecException { | |
| 285 | + if (RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) { | |
| 286 | + session[0] = token.getObjSession(); | |
| 287 | + CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { | |
| 288 | + new CK_ATTRIBUTE(CKA_MODULUS), | |
| 289 | + new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT), | |
| 290 | + new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT), | |
| 291 | + new CK_ATTRIBUTE(CKA_PRIME_1), | |
| 292 | + new CK_ATTRIBUTE(CKA_PRIME_2), | |
| 293 | + new CK_ATTRIBUTE(CKA_EXPONENT_1), | |
| 294 | + new CK_ATTRIBUTE(CKA_EXPONENT_2), | |
| 295 | + new CK_ATTRIBUTE(CKA_COEFFICIENT), | |
| 296 | + }; | |
| 297 | + token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes); | |
| 298 | + KeySpec spec = new RSAPrivateCrtKeySpec( | |
| 299 | + attributes[0].getBigInteger(), | |
| 300 | + attributes[1].getBigInteger(), | |
| 301 | + attributes[2].getBigInteger(), | |
| 302 | + attributes[3].getBigInteger(), | |
| 303 | + attributes[4].getBigInteger(), | |
| 304 | + attributes[5].getBigInteger(), | |
| 305 | + attributes[6].getBigInteger(), | |
| 306 | + attributes[7].getBigInteger() | |
| 307 | + ); | |
| 308 | + return spec; | |
| 309 | + } else if (RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) { | |
| 310 | + session[0] = token.getObjSession(); | |
| 311 | + CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { | |
| 312 | + new CK_ATTRIBUTE(CKA_MODULUS), | |
| 313 | + new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT), | |
| 314 | + }; | |
| 315 | + token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes); | |
| 316 | + KeySpec spec = new RSAPrivateKeySpec( | |
| 317 | + attributes[0].getBigInteger(), | |
| 318 | + attributes[1].getBigInteger() | |
| 319 | + ); | |
| 320 | + return spec; | |
| 321 | + } else { // PKCS#8 handled in superclass | |
| 322 | + throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec " | |
| 323 | + + "and PKCS8EncodedKeySpec supported for RSA private keys"); | |
| 324 | + } | |
| 325 | + } | |
| 326 | + | |
| 327 | + KeyFactory implGetSoftwareFactory() throws GeneralSecurityException { | |
| 328 | + return KeyFactory.getInstance("RSA", P11Util.getSunRsaSignProvider()); | |
| 329 | + } | |
| 330 | + | |
| 331 | +} | |