javax.crypto.spec.DHPublicKeySpec Java Examples
The following examples show how to use
javax.crypto.spec.DHPublicKeySpec.
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Example #1
| Source File: HandshakeMessage.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #2
| Source File: HandshakeMessage.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #3
| Source File: DHKeyFactory.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #4
| Source File: DHPublicKeySpecTest.java From j2objc with Apache License 2.0 | 6 votes |
|
/**
* DHPublicKeySpec class testing. Tests the equivalence of parameters
* specified in the constructor with the values returned by getters.
*/
public void testDHPrivateKeySpec() {
BigInteger[] ys = {new BigInteger("-1000000000000"), BigInteger.ZERO,
BigInteger.ONE, new BigInteger("1000000000000")};
BigInteger[] ps = {new BigInteger("-1000000000000"), BigInteger.ZERO,
BigInteger.ONE, new BigInteger("1000000000000")};
BigInteger[] gs = {new BigInteger("-1000000000000"), BigInteger.ZERO,
BigInteger.ONE, new BigInteger("1000000000000")};
for (int i=0; i<ps.length; i++) {
DHPublicKeySpec dhpks = new DHPublicKeySpec(ys[i], ps[i], gs[i]);
assertEquals("The value returned by getY() must be "
+ "equal to the value specified in the constructor",
dhpks.getY(), ys[i]);
assertEquals("The value returned by getP() must be "
+ "equal to the value specified in the constructor",
dhpks.getP(), ps[i]);
assertEquals("The value returned by getG() must be "
+ "equal to the value specified in the constructor",
dhpks.getG(), gs[i]);
}
}
Example #5
| Source File: DHKeyFactory.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #6
| Source File: HandshakeMessage.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #7
| Source File: DHKeyExchange.java From openjsse with GNU General Public License v2.0 | 6 votes |
|
static DHECredentials valueOf(NamedGroup ng,
byte[] encodedPublic) throws IOException, GeneralSecurityException {
if (ng.type != NamedGroupType.NAMED_GROUP_FFDHE) {
throw new RuntimeException(
"Credentials decoding: Not FFDHE named group");
}
if (encodedPublic == null || encodedPublic.length == 0) {
return null;
}
DHParameterSpec params = (DHParameterSpec)ng.getParameterSpec();
if (params == null) {
return null;
}
KeyFactory kf = JsseJce.getKeyFactory("DiffieHellman");
DHPublicKeySpec spec = new DHPublicKeySpec(
new BigInteger(1, encodedPublic),
params.getP(), params.getG());
DHPublicKey publicKey =
(DHPublicKey)kf.generatePublic(spec);
return new DHECredentials(publicKey, ng);
}
Example #8
| Source File: HandshakeMessage.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #9
| Source File: DHKeyFactory.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #10
| Source File: DHKeyFactory.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #11
| Source File: HandshakeMessage.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #12
| Source File: DHKeyFactory.java From Bytecoder with Apache License 2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #13
| Source File: DiffieHellmanSession.java From openid4java with Apache License 2.0 | 6 votes |
|
protected DHPublicKey stringToPublicKey(String publicKeyBase64)
{
try
{
byte[] yBinary = Base64.decodeBase64(publicKeyBase64.getBytes());
BigInteger y = new BigInteger(yBinary);
DHPublicKeySpec dhPublicKeySpec = new DHPublicKeySpec(
y, _dhParameterSpec.getP(), _dhParameterSpec.getG() );
KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM);
return (DHPublicKey) keyFactory.generatePublic(dhPublicKeySpec);
}
catch (GeneralSecurityException e)
{
_log.error("Cannot create PublicKey object from: " + publicKeyBase64, e);
return null;
}
}
Example #14
| Source File: DHKeyFactory.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #15
| Source File: HandshakeMessage.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #16
| Source File: DHKeyFactory.java From hottub with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #17
| Source File: HandshakeMessage.java From hottub with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #18
| Source File: HandshakeMessage.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #19
| Source File: DHKeyFactory.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #20
| Source File: DHKeyFactory.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #21
| Source File: HandshakeMessage.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
DH_ServerKeyExchange(HandshakeInStream input,
ProtocolVersion protocolVersion)
throws IOException, GeneralSecurityException {
this.protocolVersion = protocolVersion;
this.preferableSignatureAlgorithm = null;
dh_p = input.getBytes16();
dh_g = input.getBytes16();
dh_Ys = input.getBytes16();
KeyUtil.validate(new DHPublicKeySpec(new BigInteger(1, dh_Ys),
new BigInteger(1, dh_p),
new BigInteger(1, dh_g)));
signature = null;
}
Example #22
| Source File: DHKeyFactory.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates a public key object from the provided key specification
* (key material).
*
* @param keySpec the specification (key material) of the public key
*
* @return the public key
*
* @exception InvalidKeySpecException if the given key specification
* is inappropriate for this key factory to produce a public key.
*/
protected PublicKey engineGeneratePublic(KeySpec keySpec)
throws InvalidKeySpecException
{
try {
if (keySpec instanceof DHPublicKeySpec) {
DHPublicKeySpec dhPubKeySpec = (DHPublicKeySpec)keySpec;
return new DHPublicKey(dhPubKeySpec.getY(),
dhPubKeySpec.getP(),
dhPubKeySpec.getG());
} else if (keySpec instanceof X509EncodedKeySpec) {
return new DHPublicKey
(((X509EncodedKeySpec)keySpec).getEncoded());
} else {
throw new InvalidKeySpecException
("Inappropriate key specification");
}
} catch (InvalidKeyException e) {
throw new InvalidKeySpecException
("Inappropriate key specification", e);
}
}
Example #23
| Source File: DHKeyFactory.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Translates a key object, whose provider may be unknown or potentially
* untrusted, into a corresponding key object of this key factory.
*
* @param key the key whose provider is unknown or untrusted
*
* @return the translated key
*
* @exception InvalidKeyException if the given key cannot be processed by
* this key factory.
*/
protected Key engineTranslateKey(Key key)
throws InvalidKeyException
{
try {
if (key instanceof javax.crypto.interfaces.DHPublicKey) {
// Check if key originates from this factory
if (key instanceof com.sun.crypto.provider.DHPublicKey) {
return key;
}
// Convert key to spec
DHPublicKeySpec dhPubKeySpec
= engineGetKeySpec(key, DHPublicKeySpec.class);
// Create key from spec, and return it
return engineGeneratePublic(dhPubKeySpec);
} else if (key instanceof javax.crypto.interfaces.DHPrivateKey) {
// Check if key originates from this factory
if (key instanceof com.sun.crypto.provider.DHPrivateKey) {
return key;
}
// Convert key to spec
DHPrivateKeySpec dhPrivKeySpec
= engineGetKeySpec(key, DHPrivateKeySpec.class);
// Create key from spec, and return it
return engineGeneratePrivate(dhPrivKeySpec);
} else {
throw new InvalidKeyException("Wrong algorithm type");
}
} catch (InvalidKeySpecException e) {
throw new InvalidKeyException("Cannot translate key", e);
}
}
Example #24
| Source File: KeyUtil.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns whether the key spec is valid or not.
* <P>
* Note that this method is only apply to DHPublicKeySpec at present.
*
* @param keySpec
* the key spec object, cannot be null
*
* @throws NullPointerException if {@code keySpec} is null
* @throws InvalidKeyException if {@code keySpec} is invalid
*/
public static final void validate(KeySpec keySpec)
throws InvalidKeyException {
if (keySpec == null) {
throw new NullPointerException(
"The key spec to be validated cannot be null");
}
if (keySpec instanceof DHPublicKeySpec) {
validateDHPublicKey((DHPublicKeySpec)keySpec);
}
}
Example #25
| Source File: KeyUtil.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns whether the key spec is valid or not.
* <P>
* Note that this method is only apply to DHPublicKeySpec at present.
*
* @param keySpec
* the key spec object, cannot be null
*
* @throws NullPointerException if {@code keySpec} is null
* @throws InvalidKeyException if {@code keySpec} is invalid
*/
public static final void validate(KeySpec keySpec)
throws InvalidKeyException {
if (keySpec == null) {
throw new NullPointerException(
"The key spec to be validated cannot be null");
}
if (keySpec instanceof DHPublicKeySpec) {
validateDHPublicKey((DHPublicKeySpec)keySpec);
}
}
Example #26
| Source File: KeyUtil.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns whether the key spec is valid or not.
* <P>
* Note that this method is only apply to DHPublicKeySpec at present.
*
* @param keySpec
* the key spec object, cannot be null
*
* @throws NullPointerException if {@code keySpec} is null
* @throws InvalidKeyException if {@code keySpec} is invalid
*/
public static final void validate(KeySpec keySpec)
throws InvalidKeyException {
if (keySpec == null) {
throw new NullPointerException(
"The key spec to be validated cannot be null");
}
if (keySpec instanceof DHPublicKeySpec) {
validateDHPublicKey((DHPublicKeySpec)keySpec);
}
}
Example #27
| Source File: KeyUtil.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns whether the key spec is valid or not.
* <P>
* Note that this method is only apply to DHPublicKeySpec at present.
*
* @param keySpec
* the key spec object, cannot be null
*
* @throws NullPointerException if {@code keySpec} is null
* @throws InvalidKeyException if {@code keySpec} is invalid
*/
public static final void validate(KeySpec keySpec)
throws InvalidKeyException {
if (keySpec == null) {
throw new NullPointerException(
"The key spec to be validated cannot be null");
}
if (keySpec instanceof DHPublicKeySpec) {
validateDHPublicKey((DHPublicKeySpec)keySpec);
}
}
Example #28
| Source File: DHKeyFactory.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Translates a key object, whose provider may be unknown or potentially
* untrusted, into a corresponding key object of this key factory.
*
* @param key the key whose provider is unknown or untrusted
*
* @return the translated key
*
* @exception InvalidKeyException if the given key cannot be processed by
* this key factory.
*/
protected Key engineTranslateKey(Key key)
throws InvalidKeyException
{
try {
if (key instanceof javax.crypto.interfaces.DHPublicKey) {
// Check if key originates from this factory
if (key instanceof com.sun.crypto.provider.DHPublicKey) {
return key;
}
// Convert key to spec
DHPublicKeySpec dhPubKeySpec
= engineGetKeySpec(key, DHPublicKeySpec.class);
// Create key from spec, and return it
return engineGeneratePublic(dhPubKeySpec);
} else if (key instanceof javax.crypto.interfaces.DHPrivateKey) {
// Check if key originates from this factory
if (key instanceof com.sun.crypto.provider.DHPrivateKey) {
return key;
}
// Convert key to spec
DHPrivateKeySpec dhPrivKeySpec
= engineGetKeySpec(key, DHPrivateKeySpec.class);
// Create key from spec, and return it
return engineGeneratePrivate(dhPrivKeySpec);
} else {
throw new InvalidKeyException("Wrong algorithm type");
}
} catch (InvalidKeySpecException e) {
throw new InvalidKeyException("Cannot translate key", e);
}
}
Example #29
| Source File: DHKeyFactory.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Translates a key object, whose provider may be unknown or potentially
* untrusted, into a corresponding key object of this key factory.
*
* @param key the key whose provider is unknown or untrusted
*
* @return the translated key
*
* @exception InvalidKeyException if the given key cannot be processed by
* this key factory.
*/
protected Key engineTranslateKey(Key key)
throws InvalidKeyException
{
try {
if (key instanceof javax.crypto.interfaces.DHPublicKey) {
// Check if key originates from this factory
if (key instanceof com.sun.crypto.provider.DHPublicKey) {
return key;
}
// Convert key to spec
DHPublicKeySpec dhPubKeySpec
= engineGetKeySpec(key, DHPublicKeySpec.class);
// Create key from spec, and return it
return engineGeneratePublic(dhPubKeySpec);
} else if (key instanceof javax.crypto.interfaces.DHPrivateKey) {
// Check if key originates from this factory
if (key instanceof com.sun.crypto.provider.DHPrivateKey) {
return key;
}
// Convert key to spec
DHPrivateKeySpec dhPrivKeySpec
= engineGetKeySpec(key, DHPrivateKeySpec.class);
// Create key from spec, and return it
return engineGeneratePrivate(dhPrivKeySpec);
} else {
throw new InvalidKeyException("Wrong algorithm type");
}
} catch (InvalidKeySpecException e) {
throw new InvalidKeyException("Cannot translate key", e);
}
}
Example #30
| Source File: KeyFactorySpi.java From ripple-lib-java with ISC License | 5 votes |
|
protected PublicKey engineGeneratePublic(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof ElGamalPublicKeySpec)
{
return new BCElGamalPublicKey((ElGamalPublicKeySpec)keySpec);
}
else if (keySpec instanceof DHPublicKeySpec)
{
return new BCElGamalPublicKey((DHPublicKeySpec)keySpec);
}
return super.engineGeneratePublic(keySpec);
}
