Uses of Interface
java.security.Key

Packages that use Key

Package	Description
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.
javax.xml.crypto	Common classes for XML cryptography.
javax.xml.crypto.dsig.dom	DOM-specific classes for the javax.xml.crypto.dsig package.

Uses of Key in java.security

Subinterfaces of Key in java.security

Modifier and Type	Interface	Description
interface	PrivateKey	A private key.
interface	PublicKey	A public key.

Methods in java.security that return Key

Modifier and Type	Method	Description
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

Modifier and Type	Method	Description
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.
boolean	AlgorithmConstraints.permits(Set<CryptoPrimitive> primitives, String algorithm, Key key, AlgorithmParameters parameters)	Determines whether an algorithm and the corresponding key are granted permission for the specified cryptographic primitives.
boolean	AlgorithmConstraints.permits(Set<CryptoPrimitive> primitives, Key key)	Determines whether a key is granted permission for the specified cryptographic primitives.
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

Modifier and Type	Interface	Description
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 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values.
interface	RSAPrivateCrtKey	The interface to an RSA private key, as defined in the PKCS#1 v2.2 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.
interface	XECPrivateKey	An interface for an elliptic curve private key as defined by RFC 7748.
interface	XECPublicKey	An interface for an elliptic curve public key as defined by RFC 7748.

Uses of Key in javax.crypto

Subinterfaces of Key in javax.crypto

Modifier and Type	Interface	Description
interface	SecretKey	A secret (symmetric) key.

Methods in javax.crypto that return Key

Modifier and Type	Method	Description
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

Modifier and Type	Method	Description
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, 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	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	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	KeyAgreementSpi.engineInit(Key key, SecureRandom random)	Initializes this key agreement with the given key and source of randomness.
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	MacSpi.engineInit(Key key, AlgorithmParameterSpec params)	Initializes the MAC with the given (secret) key and algorithm parameters.
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, String providerName)	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.
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, 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	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	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	ExemptionMechanism.init(Key key, AlgorithmParameterSpec params)	Initializes this exemption mechanism with a key and a set of algorithm parameters.
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	KeyAgreement.init(Key key, SecureRandom random)	Initializes this key agreement with the given key and source of randomness.
void	KeyAgreement.init(Key key, AlgorithmParameterSpec params)	Initializes this key agreement with the given key and 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	Mac.init(Key key)	Initializes this Mac object with the given key.
void	Mac.init(Key key, AlgorithmParameterSpec params)	Initializes this Mac object with the given key and algorithm parameters.
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

Modifier and Type	Interface	Description
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

Modifier and Type	Class	Description
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

Modifier and Type	Class	Description
class	EncryptionKey	This class encapsulates an EncryptionKey used in Kerberos.
class	KerberosKey	This class encapsulates a long term secret key for a Kerberos principal.

Uses of Key in javax.xml.crypto

Methods in javax.xml.crypto that return Key

Modifier and Type	Method	Description
Key	KeySelectorResult.getKey()	Returns the selected key.

Methods in javax.xml.crypto with parameters of type Key

Modifier and Type	Method	Description
static KeySelector	KeySelector.singletonKeySelector(Key key)	Returns a KeySelector that always selects the specified key, regardless of the KeyInfo passed to it.

Uses of Key in javax.xml.crypto.dsig.dom

Constructors in javax.xml.crypto.dsig.dom with parameters of type Key

Constructor	Description
DOMSignContext(Key signingKey, Node parent)	Creates a DOMSignContext with the specified signing key and parent node.
DOMSignContext(Key signingKey, Node parent, Node nextSibling)	Creates a DOMSignContext with the specified signing key, parent and next sibling nodes.
DOMValidateContext(Key validatingKey, Node node)	Creates a DOMValidateContext containing the specified key and node.