JavaTM 2 Platform
Standard Ed. 5.0

Uses of Interface
java.security.Key

Packages that use Key
java.security Provides the classes and interfaces for the security framework. 
java.security.interfaces Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186. 
javax.crypto Provides the classes and interfaces for cryptographic operations. 
javax.crypto.interfaces Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3. 
javax.crypto.spec Provides classes and interfaces for key specifications and algorithm parameter specifications. 
javax.security.auth.kerberos This package contains utility classes related to the Kerberos network authentication protocol. 
 

Uses of Key in java.security
 

Subinterfaces of Key in java.security
 interface PrivateKey
          A private key.
 interface PublicKey
          A public key.
 

Methods in java.security that return Key
abstract  Key KeyStoreSpi.engineGetKey(String alias, char[] password)
          Returns the key associated with the given alias, using the given password to recover it.
protected abstract  Key KeyFactorySpi.engineTranslateKey(Key key)
          Translates a key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.
 Key KeyStore.getKey(String alias, char[] password)
          Returns the key associated with the given alias, using the given password to recover it.
 Key KeyFactory.translateKey(Key key)
          Translates a key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.
 

Methods in java.security with parameters of type Key
protected abstract
<T extends KeySpec>
T
KeyFactorySpi.engineGetKeySpec(Key key, Class<T> keySpec)
          Returns a specification (key material) of the given key object.
abstract  void KeyStoreSpi.engineSetKeyEntry(String alias, Key key, char[] password, Certificate[] chain)
          Assigns the given key to the given alias, protecting it with the given password.
protected abstract  Key KeyFactorySpi.engineTranslateKey(Key key)
          Translates a key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.
<T extends KeySpec>
T
KeyFactory.getKeySpec(Key key, Class<T> keySpec)
          Returns a specification (key material) of the given key object.
 void KeyStore.setKeyEntry(String alias, Key key, char[] password, Certificate[] chain)
          Assigns the given key to the given alias, protecting it with the given password.
 Key KeyFactory.translateKey(Key key)
          Translates a key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.
 

Uses of Key in java.security.interfaces
 

Subinterfaces of Key in java.security.interfaces
 interface DSAPrivateKey
          The standard interface to a DSA private key.
 interface DSAPublicKey
          The interface to a DSA public key.
 interface ECPrivateKey
          The interface to an elliptic curve (EC) private key.
 interface ECPublicKey
          The interface to an elliptic curve (EC) public key.
 interface RSAMultiPrimePrivateCrtKey
          The interface to an RSA multi-prime private key, as defined in the PKCS#1 v2.1, using the Chinese Remainder Theorem (CRT) information values.
 interface RSAPrivateCrtKey
          The interface to an RSA private key, as defined in the PKCS#1 standard, using the Chinese Remainder Theorem (CRT) information values.
 interface RSAPrivateKey
          The interface to an RSA private key.
 interface RSAPublicKey
          The interface to an RSA public key.
 

Uses of Key in javax.crypto
 

Subinterfaces of Key in javax.crypto
 interface SecretKey
          A secret (symmetric) key.
 

Methods in javax.crypto that return Key
 Key KeyAgreement.doPhase(Key key, boolean lastPhase)
          Executes the next phase of this key agreement with the given key that was received from one of the other parties involved in this key agreement.
protected abstract  Key KeyAgreementSpi.engineDoPhase(Key key, boolean lastPhase)
          Executes the next phase of this key agreement with the given key that was received from one of the other parties involved in this key agreement.
protected  Key CipherSpi.engineUnwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, int wrappedKeyType)
          Unwrap a previously wrapped key.
 Key Cipher.unwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, int wrappedKeyType)
          Unwrap a previously wrapped key.
 

Methods in javax.crypto with parameters of type Key
 Key KeyAgreement.doPhase(Key key, boolean lastPhase)
          Executes the next phase of this key agreement with the given key that was received from one of the other parties involved in this key agreement.
protected abstract  Key KeyAgreementSpi.engineDoPhase(Key key, boolean lastPhase)
          Executes the next phase of this key agreement with the given key that was received from one of the other parties involved in this key agreement.
protected  int CipherSpi.engineGetKeySize(Key key)
          Returns the key size of the given key object in bits.
protected abstract  void CipherSpi.engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
          Initializes this cipher with a key, a set of algorithm parameters, and a source of randomness.
protected abstract  void CipherSpi.engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
          Initializes this cipher with a key, a set of algorithm parameters, and a source of randomness.
protected abstract  void CipherSpi.engineInit(int opmode, Key key, SecureRandom random)
          Initializes this cipher with a key and a source of randomness.
protected abstract  void ExemptionMechanismSpi.engineInit(Key key)
          Initializes this exemption mechanism with a key.
protected abstract  void ExemptionMechanismSpi.engineInit(Key key, AlgorithmParameters params)
          Initializes this exemption mechanism with a key and a set of algorithm parameters.
protected abstract  void ExemptionMechanismSpi.engineInit(Key key, AlgorithmParameterSpec params)
          Initializes this exemption mechanism with a key and a set of algorithm parameters.
protected abstract  void MacSpi.engineInit(Key key, AlgorithmParameterSpec params)
          Initializes the MAC with the given (secret) key and algorithm parameters.
protected abstract  void KeyAgreementSpi.engineInit(Key key, AlgorithmParameterSpec params, SecureRandom random)
          Initializes this key agreement with the given key, set of algorithm parameters, and source of randomness.
protected abstract  void KeyAgreementSpi.engineInit(Key key, SecureRandom random)
          Initializes this key agreement with the given key and source of randomness.
protected  byte[] CipherSpi.engineWrap(Key key)
          Wrap a key.
 PKCS8EncodedKeySpec EncryptedPrivateKeyInfo.getKeySpec(Key decryptKey)
          Extract the enclosed PKCS8EncodedKeySpec object from the encrypted data and return it.
 PKCS8EncodedKeySpec EncryptedPrivateKeyInfo.getKeySpec(Key decryptKey, Provider provider)
          Extract the enclosed PKCS8EncodedKeySpec object from the encrypted data and return it.
 PKCS8EncodedKeySpec EncryptedPrivateKeyInfo.getKeySpec(Key decryptKey, String providerName)
          Extract the enclosed PKCS8EncodedKeySpec object from the encrypted data and return it.
 Object SealedObject.getObject(Key key)
          Retrieves the original (encapsulated) object.
 Object SealedObject.getObject(Key key, String provider)
          Retrieves the original (encapsulated) object.
 void Cipher.init(int opmode, Key key)
          Initializes this cipher with a key.
 void Cipher.init(int opmode, Key key, AlgorithmParameters params)
          Initializes this cipher with a key and a set of algorithm parameters.
 void Cipher.init(int opmode, Key key, AlgorithmParameterSpec params)
          Initializes this cipher with a key and a set of algorithm parameters.
 void Cipher.init(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
          Initializes this cipher with a key, a set of algorithm parameters, and a source of randomness.
 void Cipher.init(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
          Initializes this cipher with a key, a set of algorithm parameters, and a source of randomness.
 void Cipher.init(int opmode, Key key, SecureRandom random)
          Initializes this cipher with a key and a source of randomness.
 void Mac.init(Key key)
          Initializes this Mac object with the given key.
 void KeyAgreement.init(Key key)
          Initializes this key agreement with the given key, which is required to contain all the algorithm parameters required for this key agreement.
 void ExemptionMechanism.init(Key key)
          Initializes this exemption mechanism with a key.
 void ExemptionMechanism.init(Key key, AlgorithmParameters params)
          Initializes this exemption mechanism with a key and a set of algorithm parameters.
 void Mac.init(Key key, AlgorithmParameterSpec params)
          Initializes this Mac object with the given key and algorithm parameters.
 void KeyAgreement.init(Key key, AlgorithmParameterSpec params)
          Initializes this key agreement with the given key and set of algorithm parameters.
 void ExemptionMechanism.init(Key key, AlgorithmParameterSpec params)
          Initializes this exemption mechanism with a key and a set of algorithm parameters.
 void KeyAgreement.init(Key key, AlgorithmParameterSpec params, SecureRandom random)
          Initializes this key agreement with the given key, set of algorithm parameters, and source of randomness.
 void KeyAgreement.init(Key key, SecureRandom random)
          Initializes this key agreement with the given key and source of randomness.
 boolean ExemptionMechanism.isCryptoAllowed(Key key)
          Returns whether the result blob has been generated successfully by this exemption mechanism.
 byte[] Cipher.wrap(Key key)
          Wrap a key.
 

Uses of Key in javax.crypto.interfaces
 

Subinterfaces of Key in javax.crypto.interfaces
 interface DHPrivateKey
          The interface to a Diffie-Hellman private key.
 interface DHPublicKey
          The interface to a Diffie-Hellman public key.
 interface PBEKey
          The interface to a PBE key.
 

Uses of Key in javax.crypto.spec
 

Classes in javax.crypto.spec that implement Key
 class SecretKeySpec
          This class specifies a secret key in a provider-independent fashion.
 

Uses of Key in javax.security.auth.kerberos
 

Classes in javax.security.auth.kerberos that implement Key
 class KerberosKey
          This class encapsulates a long term secret key for a Kerberos principal.
 


JavaTM 2 Platform
Standard Ed. 5.0

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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