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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
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package sun.security.pkcs11;
import java.math.BigInteger;
import java.security.*;
import java.security.interfaces.*;
import java.security.spec.*;
import sun.security.rsa.RSAPublicKeyImpl;
import static sun.security.pkcs11.TemplateManager.*;
import sun.security.pkcs11.wrapper.*;
import static sun.security.pkcs11.wrapper.PKCS11Constants.*;
import sun.security.rsa.RSAKeyFactory;
/**
* RSA KeyFactory implementation.
*
* @author Andreas Sterbenz
* @since 1.5
*/
final class P11RSAKeyFactory extends P11KeyFactory {
P11RSAKeyFactory(Token token, String algorithm) {
super(token, algorithm);
}
PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException {
try {
if (key instanceof RSAPublicKey) {
RSAPublicKey rsaKey = (RSAPublicKey)key;
return generatePublic(
rsaKey.getModulus(),
rsaKey.getPublicExponent()
);
} else if ("X.509".equals(key.getFormat())) {
// let SunRsaSign provider parse for us, then recurse
byte[] encoded = key.getEncoded();
key = RSAPublicKeyImpl.newKey(encoded);
return implTranslatePublicKey(key);
} else {
throw new InvalidKeyException("PublicKey must be instance "
+ "of RSAPublicKey or have X.509 encoding");
}
} catch (PKCS11Exception e) {
throw new InvalidKeyException("Could not create RSA public key", e);
}
}
PrivateKey implTranslatePrivateKey(PrivateKey key)
throws InvalidKeyException {
try {
if (key instanceof RSAPrivateCrtKey) {
RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key;
return generatePrivate(
rsaKey.getModulus(),
rsaKey.getPublicExponent(),
rsaKey.getPrivateExponent(),
rsaKey.getPrimeP(),
rsaKey.getPrimeQ(),
rsaKey.getPrimeExponentP(),
rsaKey.getPrimeExponentQ(),
rsaKey.getCrtCoefficient()
);
} else if (key instanceof RSAPrivateKey) {
RSAPrivateKey rsaKey = (RSAPrivateKey)key;
return generatePrivate(
rsaKey.getModulus(),
rsaKey.getPrivateExponent()
);
} else if ("PKCS#8".equals(key.getFormat())) {
// let SunRsaSign provider parse for us, then recurse
byte[] encoded = key.getEncoded();
key = sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded);
return implTranslatePrivateKey(key);
} else {
throw new InvalidKeyException("Private key must be instance "
+ "of RSAPrivate(Crt)Key or have PKCS#8 encoding");
}
} catch (PKCS11Exception e) {
throw new InvalidKeyException("Could not create RSA private key", e);
}
}
// see JCA spec
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException {
token.ensureValid();
if (keySpec instanceof X509EncodedKeySpec) {
try {
byte[] encoded = ((X509EncodedKeySpec)keySpec).getEncoded();
PublicKey key = RSAPublicKeyImpl.newKey(encoded);
return implTranslatePublicKey(key);
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Could not create RSA public key", e);
}
}
if (keySpec instanceof RSAPublicKeySpec == false) {
throw new InvalidKeySpecException("Only RSAPublicKeySpec and "
+ "X509EncodedKeySpec supported for RSA public keys");
}
try {
RSAPublicKeySpec rs = (RSAPublicKeySpec)keySpec;
return generatePublic(
rs.getModulus(),
rs.getPublicExponent()
);
} catch (PKCS11Exception | InvalidKeyException e) {
throw new InvalidKeySpecException
("Could not create RSA public key", e);
}
}
// see JCA spec
protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
throws InvalidKeySpecException {
token.ensureValid();
if (keySpec instanceof PKCS8EncodedKeySpec) {
try {
byte[] encoded = ((PKCS8EncodedKeySpec)keySpec).getEncoded();
PrivateKey key =
sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded);
return implTranslatePrivateKey(key);
} catch (GeneralSecurityException e) {
throw new InvalidKeySpecException
("Could not create RSA private key", e);
}
}
try {
if (keySpec instanceof RSAPrivateCrtKeySpec) {
RSAPrivateCrtKeySpec rs = (RSAPrivateCrtKeySpec)keySpec;
return generatePrivate(
rs.getModulus(),
rs.getPublicExponent(),
rs.getPrivateExponent(),
rs.getPrimeP(),
rs.getPrimeQ(),
rs.getPrimeExponentP(),
rs.getPrimeExponentQ(),
rs.getCrtCoefficient()
);
} else if (keySpec instanceof RSAPrivateKeySpec) {
RSAPrivateKeySpec rs = (RSAPrivateKeySpec)keySpec;
return generatePrivate(
rs.getModulus(),
rs.getPrivateExponent()
);
} else {
throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec "
+ "and PKCS8EncodedKeySpec supported for RSA private keys");
}
} catch (PKCS11Exception | InvalidKeyException e) {
throw new InvalidKeySpecException
("Could not create RSA private key", e);
}
}
private PublicKey generatePublic(BigInteger n, BigInteger e)
throws PKCS11Exception, InvalidKeyException {
RSAKeyFactory.checkKeyLengths(n.bitLength(), e, -1, 64 * 1024);
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY),
new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
new CK_ATTRIBUTE(CKA_MODULUS, n),
new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e),
};
attributes = token.getAttributes
(O_IMPORT, CKO_PUBLIC_KEY, CKK_RSA, attributes);
Session session = null;
try {
session = token.getObjSession();
long keyID = token.p11.C_CreateObject(session.id(), attributes);
return P11Key.publicKey
(session, keyID, "RSA", n.bitLength(), attributes);
} finally {
token.releaseSession(session);
}
}
private PrivateKey generatePrivate(BigInteger n, BigInteger d)
throws PKCS11Exception, InvalidKeyException {
RSAKeyFactory.checkKeyLengths(n.bitLength(), null, -1, 64 * 1024);
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
new CK_ATTRIBUTE(CKA_MODULUS, n),
new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d),
};
attributes = token.getAttributes
(O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes);
Session session = null;
try {
session = token.getObjSession();
long keyID = token.p11.C_CreateObject(session.id(), attributes);
return P11Key.privateKey
(session, keyID, "RSA", n.bitLength(), attributes);
} finally {
token.releaseSession(session);
}
}
private PrivateKey generatePrivate(BigInteger n, BigInteger e,
BigInteger d, BigInteger p, BigInteger q, BigInteger pe,
BigInteger qe, BigInteger coeff) throws PKCS11Exception,
InvalidKeyException {
RSAKeyFactory.checkKeyLengths(n.bitLength(), e, -1, 64 * 1024);
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
new CK_ATTRIBUTE(CKA_MODULUS, n),
new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e),
new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d),
new CK_ATTRIBUTE(CKA_PRIME_1, p),
new CK_ATTRIBUTE(CKA_PRIME_2, q),
new CK_ATTRIBUTE(CKA_EXPONENT_1, pe),
new CK_ATTRIBUTE(CKA_EXPONENT_2, qe),
new CK_ATTRIBUTE(CKA_COEFFICIENT, coeff),
};
attributes = token.getAttributes
(O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes);
Session session = null;
try {
session = token.getObjSession();
long keyID = token.p11.C_CreateObject(session.id(), attributes);
return P11Key.privateKey
(session, keyID, "RSA", n.bitLength(), attributes);
} finally {
token.releaseSession(session);
}
}
<T extends KeySpec> T implGetPublicKeySpec(P11Key key, Class<T> keySpec,
Session[] session) throws PKCS11Exception, InvalidKeySpecException {
if (RSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
session[0] = token.getObjSession();
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
new CK_ATTRIBUTE(CKA_MODULUS),
new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT),
};
token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
KeySpec spec = new RSAPublicKeySpec(
attributes[0].getBigInteger(),
attributes[1].getBigInteger()
);
return keySpec.cast(spec);
} else { // X.509 handled in superclass
throw new InvalidKeySpecException("Only RSAPublicKeySpec and "
+ "X509EncodedKeySpec supported for RSA public keys");
}
}
<T extends KeySpec> T implGetPrivateKeySpec(P11Key key, Class<T> keySpec,
Session[] session) throws PKCS11Exception, InvalidKeySpecException {
if (RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) {
session[0] = token.getObjSession();
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
new CK_ATTRIBUTE(CKA_MODULUS),
new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT),
new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT),
new CK_ATTRIBUTE(CKA_PRIME_1),
new CK_ATTRIBUTE(CKA_PRIME_2),
new CK_ATTRIBUTE(CKA_EXPONENT_1),
new CK_ATTRIBUTE(CKA_EXPONENT_2),
new CK_ATTRIBUTE(CKA_COEFFICIENT),
};
token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
KeySpec spec = new RSAPrivateCrtKeySpec(
attributes[0].getBigInteger(),
attributes[1].getBigInteger(),
attributes[2].getBigInteger(),
attributes[3].getBigInteger(),
attributes[4].getBigInteger(),
attributes[5].getBigInteger(),
attributes[6].getBigInteger(),
attributes[7].getBigInteger()
);
return keySpec.cast(spec);
} else if (RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
session[0] = token.getObjSession();
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
new CK_ATTRIBUTE(CKA_MODULUS),
new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT),
};
token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
KeySpec spec = new RSAPrivateKeySpec(
attributes[0].getBigInteger(),
attributes[1].getBigInteger()
);
return keySpec.cast(spec);
} else { // PKCS#8 handled in superclass
throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec "
+ "and PKCS8EncodedKeySpec supported for RSA private keys");
}
}
KeyFactory implGetSoftwareFactory() throws GeneralSecurityException {
return KeyFactory.getInstance("RSA", P11Util.getSunRsaSignProvider());
}
}