Uses of Class java.security.KeyStoreException (Java Platform SE 8 )
Date: 2026-06-25

## Uses of Class
java.security.KeyStoreException

- Packages that use KeyStoreException
  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.net.ssl | Provides classes for the secure socket package.

- - ### Uses of KeyStoreException in java.security

    Methods in java.security that throw KeyStoreException
    Modifier and Type | Method and Description
    --- | ---
    `Enumeration<String>` | KeyStore.`aliases()` Lists all the alias names of this keystore.
    `boolean` | KeyStore.`containsAlias(String alias)` Checks if the given alias exists in this keystore.
    `void` | KeyStore.`deleteEntry(String alias)` Deletes the entry identified by the given alias from this keystore.
    `abstract void` | KeyStoreSpi.`engineDeleteEntry(String alias)` Deletes the entry identified by the given alias from this keystore.
    `KeyStore.Entry` | KeyStoreSpi.`engineGetEntry(String alias, KeyStore.ProtectionParameter protParam)` Gets a `KeyStore.Entry` for the specified alias with the specified protection parameter.
    `abstract void` | KeyStoreSpi.`engineSetCertificateEntry(String alias, Certificate cert)` Assigns the given certificate to the given alias.
    `void` | KeyStoreSpi.`engineSetEntry(String alias, KeyStore.Entry entry, KeyStore.ProtectionParameter protParam)` Saves a `KeyStore.Entry` under the specified alias.
    `abstract void` | KeyStoreSpi.`engineSetKeyEntry(String alias, byte[] key, Certificate[] chain)` Assigns the given key (that has already been protected) to the given alias.
    `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.
    `boolean` | KeyStore.`entryInstanceOf(String alias, Class<? extends KeyStore.Entry> entryClass)` Determines if the keystore `Entry` for the specified `alias` is an instance or subclass of the specified `entryClass`.
    `Certificate` | KeyStore.`getCertificate(String alias)` Returns the certificate associated with the given alias.
    `String` | KeyStore.`getCertificateAlias(Certificate cert)` Returns the (alias) name of the first keystore entry whose certificate matches the given certificate.
    `Certificate[]` | KeyStore.`getCertificateChain(String alias)` Returns the certificate chain associated with the given alias.
    `Date` | KeyStore.`getCreationDate(String alias)` Returns the creation date of the entry identified by the given alias.
    `KeyStore.Entry` | KeyStore.`getEntry(String alias, KeyStore.ProtectionParameter protParam)` Gets a keystore `Entry` for the specified alias with the specified protection parameter.
    `static KeyStore` | KeyStore.`getInstance(String type)` Returns a keystore object of the specified type.
    `static KeyStore` | KeyStore.`getInstance(String type, Provider provider)` Returns a keystore object of the specified type.
    `static KeyStore` | KeyStore.`getInstance(String type, String provider)` Returns a keystore object of the specified type.
    `Key` | KeyStore.`getKey(String alias, char[] password)` Returns the key associated with the given alias, using the given password to recover it.
    `abstract KeyStore` | KeyStore.Builder.`getKeyStore()` Returns the KeyStore described by this object.
    `abstract KeyStore.ProtectionParameter` | KeyStore.Builder.`getProtectionParameter(String alias)` Returns the ProtectionParameters that should be used to obtain the `Entry` with the given alias.
    `boolean` | KeyStore.`isCertificateEntry(String alias)` Returns true if the entry identified by the given alias was created by a call to `setCertificateEntry`, or created by a call to `setEntry` with a `TrustedCertificateEntry`.
    `boolean` | KeyStore.`isKeyEntry(String alias)` Returns true if the entry identified by the given alias was created by a call to `setKeyEntry`, or created by a call to `setEntry` with a `PrivateKeyEntry` or a `SecretKeyEntry`.
    `void` | KeyStore.`setCertificateEntry(String alias, Certificate cert)` Assigns the given trusted certificate to the given alias.
    `void` | KeyStore.`setEntry(String alias, KeyStore.Entry entry, KeyStore.ProtectionParameter protParam)` Saves a keystore `Entry` under the specified alias.
    `void` | KeyStore.`setKeyEntry(String alias, byte[] key, Certificate[] chain)` Assigns the given key (that has already been protected) to the given alias.
    `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.
    `int` | KeyStore.`size()` Retrieves the number of entries in this keystore.
    `void` | KeyStore.`store(KeyStore.LoadStoreParameter param)` Stores this keystore using the given `LoadStoreParameter`.
    `void` | KeyStore.`store(OutputStream stream, char[] password)` Stores this keystore to the given output stream, and protects its integrity with the given password.

  - ### Uses of KeyStoreException in java.security.cert

    Constructors in java.security.cert that throw KeyStoreException
    Constructor and Description
    `PKIXBuilderParameters(KeyStore keystore, CertSelector targetConstraints)` Creates an instance of `PKIXBuilderParameters` that populates the set of most-trusted CAs from the trusted certificate entries contained in the specified `KeyStore`.
    `PKIXParameters(KeyStore keystore)` Creates an instance of `PKIXParameters` that populates the set of most-trusted CAs from the trusted certificate entries contained in the specified `KeyStore`.

  - ### Uses of KeyStoreException in javax.net.ssl

    Methods in javax.net.ssl that throw KeyStoreException
    Modifier and Type | Method and Description
    --- | ---
    `protected abstract void` | TrustManagerFactorySpi.`engineInit(KeyStore ks)` Initializes this factory with a source of certificate authorities and related trust material.
    `protected abstract void` | KeyManagerFactorySpi.`engineInit(KeyStore ks, char[] password)` Initializes this factory with a source of key material.
    `void` | TrustManagerFactory.`init(KeyStore ks)` Initializes this factory with a source of certificate authorities and related trust material.
    `void` | KeyManagerFactory.`init(KeyStore ks, char[] password)` Initializes this factory with a source of key material.

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