J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | /** |
| 39 | * RSA KeyFactory implemenation. |
| 40 | * |
| 41 | * @author Andreas Sterbenz |
| 42 | * @since 1.5 |
| 43 | */ |
| 44 | final class P11RSAKeyFactory extends P11KeyFactory { |
| 45 | |
| 46 | P11RSAKeyFactory(Token token, String algorithm) { |
| 47 | super(token, algorithm); |
| 48 | } |
| 49 | |
| 50 | PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException { |
| 51 | try { |
| 52 | if (key instanceof RSAPublicKey) { |
| 53 | RSAPublicKey rsaKey = (RSAPublicKey)key; |
| 54 | return generatePublic( |
| 55 | rsaKey.getModulus(), |
| 56 | rsaKey.getPublicExponent() |
| 57 | ); |
| 58 | } else if ("X.509".equals(key.getFormat())) { |
| 59 | // let SunRsaSign provider parse for us, then recurse |
| 60 | byte[] encoded = key.getEncoded(); |
| 61 | key = new sun.security.rsa.RSAPublicKeyImpl(encoded); |
| 62 | return implTranslatePublicKey(key); |
| 63 | } else { |
| 64 | throw new InvalidKeyException("PublicKey must be instance " |
| 65 | + "of RSAPublicKey or have X.509 encoding"); |
| 66 | } |
| 67 | } catch (PKCS11Exception e) { |
| 68 | throw new InvalidKeyException("Could not create RSA public key", e); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | PrivateKey implTranslatePrivateKey(PrivateKey key) |
| 73 | throws InvalidKeyException { |
| 74 | try { |
| 75 | if (key instanceof RSAPrivateCrtKey) { |
| 76 | RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key; |
| 77 | return generatePrivate( |
| 78 | rsaKey.getModulus(), |
| 79 | rsaKey.getPublicExponent(), |
| 80 | rsaKey.getPrivateExponent(), |
| 81 | rsaKey.getPrimeP(), |
| 82 | rsaKey.getPrimeQ(), |
| 83 | rsaKey.getPrimeExponentP(), |
| 84 | rsaKey.getPrimeExponentQ(), |
| 85 | rsaKey.getCrtCoefficient() |
| 86 | ); |
| 87 | } else if (key instanceof RSAPrivateKey) { |
| 88 | RSAPrivateKey rsaKey = (RSAPrivateKey)key; |
| 89 | return generatePrivate( |
| 90 | rsaKey.getModulus(), |
| 91 | rsaKey.getPrivateExponent() |
| 92 | ); |
| 93 | } else if ("PKCS#8".equals(key.getFormat())) { |
| 94 | // let SunRsaSign provider parse for us, then recurse |
| 95 | byte[] encoded = key.getEncoded(); |
| 96 | key = sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded); |
| 97 | return implTranslatePrivateKey(key); |
| 98 | } else { |
| 99 | throw new InvalidKeyException("Private key must be instance " |
| 100 | + "of RSAPrivate(Crt)Key or have PKCS#8 encoding"); |
| 101 | } |
| 102 | } catch (PKCS11Exception e) { |
| 103 | throw new InvalidKeyException("Could not create RSA private key", e); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | // see JCA spec |
| 108 | protected PublicKey engineGeneratePublic(KeySpec keySpec) |
| 109 | throws InvalidKeySpecException { |
| 110 | token.ensureValid(); |
| 111 | if (keySpec instanceof X509EncodedKeySpec) { |
| 112 | try { |
| 113 | byte[] encoded = ((X509EncodedKeySpec)keySpec).getEncoded(); |
| 114 | PublicKey key = new sun.security.rsa.RSAPublicKeyImpl(encoded); |
| 115 | return implTranslatePublicKey(key); |
| 116 | } catch (InvalidKeyException e) { |
| 117 | throw new InvalidKeySpecException |
| 118 | ("Could not create RSA public key", e); |
| 119 | } |
| 120 | } |
| 121 | if (keySpec instanceof RSAPublicKeySpec == false) { |
| 122 | throw new InvalidKeySpecException("Only RSAPublicKeySpec and " |
| 123 | + "X509EncodedKeySpec supported for RSA public keys"); |
| 124 | } |
| 125 | try { |
| 126 | RSAPublicKeySpec rs = (RSAPublicKeySpec)keySpec; |
| 127 | return generatePublic( |
| 128 | rs.getModulus(), |
| 129 | rs.getPublicExponent() |
| 130 | ); |
| 131 | } catch (PKCS11Exception e) { |
| 132 | throw new InvalidKeySpecException |
| 133 | ("Could not create RSA public key", e); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | // see JCA spec |
| 138 | protected PrivateKey engineGeneratePrivate(KeySpec keySpec) |
| 139 | throws InvalidKeySpecException { |
| 140 | token.ensureValid(); |
| 141 | if (keySpec instanceof PKCS8EncodedKeySpec) { |
| 142 | try { |
| 143 | byte[] encoded = ((PKCS8EncodedKeySpec)keySpec).getEncoded(); |
| 144 | PrivateKey key = |
| 145 | sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded); |
| 146 | return implTranslatePrivateKey(key); |
| 147 | } catch (GeneralSecurityException e) { |
| 148 | throw new InvalidKeySpecException |
| 149 | ("Could not create RSA private key", e); |
| 150 | } |
| 151 | } |
| 152 | try { |
| 153 | if (keySpec instanceof RSAPrivateCrtKeySpec) { |
| 154 | RSAPrivateCrtKeySpec rs = (RSAPrivateCrtKeySpec)keySpec; |
| 155 | return generatePrivate( |
| 156 | rs.getModulus(), |
| 157 | rs.getPublicExponent(), |
| 158 | rs.getPrivateExponent(), |
| 159 | rs.getPrimeP(), |
| 160 | rs.getPrimeQ(), |
| 161 | rs.getPrimeExponentP(), |
| 162 | rs.getPrimeExponentQ(), |
| 163 | rs.getCrtCoefficient() |
| 164 | ); |
| 165 | } else if (keySpec instanceof RSAPrivateKeySpec) { |
| 166 | RSAPrivateKeySpec rs = (RSAPrivateKeySpec)keySpec; |
| 167 | return generatePrivate( |
| 168 | rs.getModulus(), |
| 169 | rs.getPrivateExponent() |
| 170 | ); |
| 171 | } else { |
| 172 | throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec " |
| 173 | + "and PKCS8EncodedKeySpec supported for RSA private keys"); |
| 174 | } |
| 175 | } catch (PKCS11Exception e) { |
| 176 | throw new InvalidKeySpecException |
| 177 | ("Could not create RSA private key", e); |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | private PublicKey generatePublic(BigInteger n, BigInteger e) |
| 182 | throws PKCS11Exception { |
| 183 | CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| 184 | new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY), |
| 185 | new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), |
| 186 | new CK_ATTRIBUTE(CKA_MODULUS, n), |
| 187 | new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e), |
| 188 | }; |
| 189 | attributes = token.getAttributes |
| 190 | (O_IMPORT, CKO_PUBLIC_KEY, CKK_RSA, attributes); |
| 191 | Session session = null; |
| 192 | try { |
| 193 | session = token.getObjSession(); |
| 194 | long keyID = token.p11.C_CreateObject(session.id(), attributes); |
| 195 | return P11Key.publicKey |
| 196 | (session, keyID, "RSA", n.bitLength(), attributes); |
| 197 | } finally { |
| 198 | token.releaseSession(session); |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | private PrivateKey generatePrivate(BigInteger n, BigInteger d) |
| 203 | throws PKCS11Exception { |
| 204 | CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| 205 | new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY), |
| 206 | new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), |
| 207 | new CK_ATTRIBUTE(CKA_MODULUS, n), |
| 208 | new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d), |
| 209 | }; |
| 210 | attributes = token.getAttributes |
| 211 | (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes); |
| 212 | Session session = null; |
| 213 | try { |
| 214 | session = token.getObjSession(); |
| 215 | long keyID = token.p11.C_CreateObject(session.id(), attributes); |
| 216 | return P11Key.privateKey |
| 217 | (session, keyID, "RSA", n.bitLength(), attributes); |
| 218 | } finally { |
| 219 | token.releaseSession(session); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | private PrivateKey generatePrivate(BigInteger n, BigInteger e, |
| 224 | BigInteger d, BigInteger p, BigInteger q, BigInteger pe, |
| 225 | BigInteger qe, BigInteger coeff) throws PKCS11Exception { |
| 226 | CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| 227 | new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY), |
| 228 | new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), |
| 229 | new CK_ATTRIBUTE(CKA_MODULUS, n), |
| 230 | new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e), |
| 231 | new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d), |
| 232 | new CK_ATTRIBUTE(CKA_PRIME_1, p), |
| 233 | new CK_ATTRIBUTE(CKA_PRIME_2, q), |
| 234 | new CK_ATTRIBUTE(CKA_EXPONENT_1, pe), |
| 235 | new CK_ATTRIBUTE(CKA_EXPONENT_2, qe), |
| 236 | new CK_ATTRIBUTE(CKA_COEFFICIENT, coeff), |
| 237 | }; |
| 238 | attributes = token.getAttributes |
| 239 | (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes); |
| 240 | Session session = null; |
| 241 | try { |
| 242 | session = token.getObjSession(); |
| 243 | long keyID = token.p11.C_CreateObject(session.id(), attributes); |
| 244 | return P11Key.privateKey |
| 245 | (session, keyID, "RSA", n.bitLength(), attributes); |
| 246 | } finally { |
| 247 | token.releaseSession(session); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, Session[] session) |
| 252 | throws PKCS11Exception, InvalidKeySpecException { |
| 253 | if (RSAPublicKeySpec.class.isAssignableFrom(keySpec)) { |
| 254 | session[0] = token.getObjSession(); |
| 255 | CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| 256 | new CK_ATTRIBUTE(CKA_MODULUS), |
| 257 | new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT), |
| 258 | }; |
| 259 | token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes); |
| 260 | KeySpec spec = new RSAPublicKeySpec( |
| 261 | attributes[0].getBigInteger(), |
| 262 | attributes[1].getBigInteger() |
| 263 | ); |
| 264 | return spec; |
| 265 | } else { // X.509 handled in superclass |
| 266 | throw new InvalidKeySpecException("Only RSAPublicKeySpec and " |
| 267 | + "X509EncodedKeySpec supported for RSA public keys"); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, Session[] session) |
| 272 | throws PKCS11Exception, InvalidKeySpecException { |
| 273 | if (RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) { |
| 274 | session[0] = token.getObjSession(); |
| 275 | CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| 276 | new CK_ATTRIBUTE(CKA_MODULUS), |
| 277 | new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT), |
| 278 | new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT), |
| 279 | new CK_ATTRIBUTE(CKA_PRIME_1), |
| 280 | new CK_ATTRIBUTE(CKA_PRIME_2), |
| 281 | new CK_ATTRIBUTE(CKA_EXPONENT_1), |
| 282 | new CK_ATTRIBUTE(CKA_EXPONENT_2), |
| 283 | new CK_ATTRIBUTE(CKA_COEFFICIENT), |
| 284 | }; |
| 285 | token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes); |
| 286 | KeySpec spec = new RSAPrivateCrtKeySpec( |
| 287 | attributes[0].getBigInteger(), |
| 288 | attributes[1].getBigInteger(), |
| 289 | attributes[2].getBigInteger(), |
| 290 | attributes[3].getBigInteger(), |
| 291 | attributes[4].getBigInteger(), |
| 292 | attributes[5].getBigInteger(), |
| 293 | attributes[6].getBigInteger(), |
| 294 | attributes[7].getBigInteger() |
| 295 | ); |
| 296 | return spec; |
| 297 | } else if (RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) { |
| 298 | session[0] = token.getObjSession(); |
| 299 | CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| 300 | new CK_ATTRIBUTE(CKA_MODULUS), |
| 301 | new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT), |
| 302 | }; |
| 303 | token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes); |
| 304 | KeySpec spec = new RSAPrivateKeySpec( |
| 305 | attributes[0].getBigInteger(), |
| 306 | attributes[1].getBigInteger() |
| 307 | ); |
| 308 | return spec; |
| 309 | } else { // PKCS#8 handled in superclass |
| 310 | throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec " |
| 311 | + "and PKCS8EncodedKeySpec supported for RSA private keys"); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | KeyFactory implGetSoftwareFactory() throws GeneralSecurityException { |
| 316 | return KeyFactory.getInstance("RSA", P11Util.getSunRsaSignProvider()); |
| 317 | } |
| 318 | |
| 319 | } |