| Package | Description | 
|---|---|
| java.security | Provides the classes and interfaces for the security framework. | 
| java.security.cert | Provides classes and interfaces for parsing and managing
 certificates, certificate revocation lists (CRLs), and
 certification paths. | 
| javax.crypto | Provides the classes and interfaces for cryptographic operations. | 
| javax.crypto.spec | Provides classes and interfaces for key specifications and algorithm
parameter specifications. | 
| javax.security.cert | Provides classes for public key certificates. | 
| Modifier and Type | Method | Description | 
|---|---|---|
| protected abstract void | SignatureSpi. engineInitSign (PrivateKey privateKey)Initializes this signature object with the specified
 private key for signing operations. | |
| protected void | SignatureSpi. engineInitSign (PrivateKey privateKey,
 SecureRandom random)Initializes this signature object with the specified
 private key and source of randomness for signing operations. | |
| protected abstract void | SignatureSpi. engineInitVerify (PublicKey publicKey)Initializes this signature object with the specified
 public key for verification operations. | |
| 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. | |
| void | Signature. initSign (PrivateKey privateKey)Initialize this object for signing. | |
| void | Signature. initSign (PrivateKey privateKey,
 SecureRandom random)Initialize this object for signing. | |
| void | Signature. initVerify (Certificate certificate)Initializes this object for verification, using the public key from
 the given certificate. | |
| void | Signature. initVerify (PublicKey publicKey)Initializes this object for verification. | |
| 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. | |
| boolean | SignedObject. verify (PublicKey verificationKey,
 Signature verificationEngine)Verifies that the signature in this SignedObject is the valid
 signature for the object stored inside, with the given
 verification key, using the designated verification engine. | 
| Constructor | Description | 
|---|---|
| SignedObject (Serializable object,
 PrivateKey signingKey,
 Signature signingEngine)Constructs a SignedObject from any Serializable object. | 
| Modifier and Type | Method | Description | 
|---|---|---|
| abstract void | X509CRL. verify (PublicKey key)Verifies that this CRL was signed using the
 private key that corresponds to the given public key. | |
| abstract void | Certificate. verify (PublicKey key)Verifies that this certificate was signed using the
 private key that corresponds to the specified public key. | |
| void | X509CRL. verify (PublicKey key,
 Provider sigProvider)Verifies that this CRL was signed using the
 private key that corresponds to the given public key. | |
| void | X509Certificate. verify (PublicKey key,
 Provider sigProvider)Verifies that this certificate was signed using the
 private key that corresponds to the specified public key. | |
| void | Certificate. verify (PublicKey key,
 Provider sigProvider)Verifies that this certificate was signed using the
 private key that corresponds to the specified public key. | |
| abstract void | X509CRL. verify (PublicKey key,
 String sigProvider)Verifies that this CRL was signed using the
 private key that corresponds to the given public key. | |
| abstract void | Certificate. verify (PublicKey key,
 String sigProvider)Verifies that this certificate was signed using the
 private key that corresponds to the specified public 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 abstract SecretKey  | KeyAgreementSpi. engineGenerateSecret (String algorithm)Creates the shared secret and returns it as a secret key object
 of the requested algorithm type. | |
| 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 abstract SecretKey  | SecretKeyFactorySpi. engineTranslateKey (SecretKey key)Translates a key object, whose provider may be unknown or
 potentially untrusted, into a corresponding key object of this
 secret-key factory. | |
| protected Key  | CipherSpi. engineUnwrap (byte[] wrappedKey,
 String wrappedKeyAlgorithm,
 int wrappedKeyType)Unwrap a previously wrapped key. | |
| protected byte[] | CipherSpi. engineWrap (Key key)Wrap a key. | |
| SecretKey  | KeyAgreement. generateSecret (String algorithm)Creates the shared secret and returns it as a  SecretKeyobject of the specified algorithm. | |
| 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,
 Certificate certificate)Initializes this cipher with the public key from the given certificate. | |
| void | Cipher. init (int opmode,
 Certificate certificate,
 SecureRandom random)Initializes this cipher with the public key from the given certificate
 and
 a source of randomness. | |
| 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  Macobject 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  Macobject 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. | |
| SecretKey  | SecretKeyFactory. translateKey (SecretKey key)Translates a key object, whose provider may be unknown or potentially
 untrusted, into a corresponding key object of this secret-key factory. | |
| Key  | Cipher. unwrap (byte[] wrappedKey,
 String wrappedKeyAlgorithm,
 int wrappedKeyType)Unwrap a previously wrapped key. | |
| byte[] | Cipher. wrap (Key key)Wrap a key. | 
| Modifier and Type | Method | Description | 
|---|---|---|
| static boolean | DESKeySpec. isParityAdjusted (byte[] key,
 int offset)Checks if the given DES key material, starting at  offsetinclusive, is parity-adjusted. | |
| static boolean | DESedeKeySpec. isParityAdjusted (byte[] key,
 int offset)Checks if the given DES-EDE key, starting at  offsetinclusive, is parity-adjusted. | |
| static boolean | DESKeySpec. isWeak (byte[] key,
 int offset)Checks if the given DES key material is weak or semi-weak. | 
| Constructor | Description | 
|---|---|
| DESedeKeySpec (byte[] key)Creates a DESedeKeySpec object using the first 24 bytes in
  keyas the key material for the DES-EDE key. | |
| DESedeKeySpec (byte[] key,
 int offset)Creates a DESedeKeySpec object using the first 24 bytes in
  key, beginning atoffsetinclusive,
 as the key material for the DES-EDE key. | |
| DESKeySpec (byte[] key)Creates a DESKeySpec object using the first 8 bytes in
  keyas the key material for the DES key. | |
| DESKeySpec (byte[] key,
 int offset)Creates a DESKeySpec object using the first 8 bytes in
  key, beginning atoffsetinclusive,
 as the key material for the DES key. | 
| Modifier and Type | Method | Description | 
|---|---|---|
| abstract void | Certificate. verify (PublicKey key)Verifies that this certificate was signed using the
 private key that corresponds to the specified public key. | |
| abstract void | Certificate. verify (PublicKey key,
 String sigProvider)Verifies that this certificate was signed using the
 private key that corresponds to the specified public key. | 
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