java.security
介面 
Certificate
DomainCombiner
Guard
Key
KeyStore.Entry
KeyStore.LoadStoreParameter
KeyStore.ProtectionParameter
Policy.Parameters
Principal
PrivateKey
PrivilegedAction
PrivilegedExceptionAction
PublicKey
類別 
AccessControlContext
AccessController
AlgorithmParameterGenerator
AlgorithmParameterGeneratorSpi
AlgorithmParameters
AlgorithmParametersSpi
AllPermission
AuthProvider
BasicPermission
CodeSigner
CodeSource
DigestInputStream
DigestOutputStream
GuardedObject
Identity
IdentityScope
KeyFactory
KeyFactorySpi
KeyPair
KeyPairGenerator
KeyPairGeneratorSpi
KeyRep
KeyStore
KeyStore.Builder
KeyStore.CallbackHandlerProtection
KeyStore.PasswordProtection
KeyStore.PrivateKeyEntry
KeyStore.SecretKeyEntry
KeyStore.TrustedCertificateEntry
KeyStoreSpi
MessageDigest
MessageDigestSpi
Permission
PermissionCollection
Permissions
Policy
PolicySpi
ProtectionDomain
Provider
Provider.Service
SecureClassLoader
SecureRandom
SecureRandomSpi
Security
SecurityPermission
Signature
SignatureSpi
SignedObject
Signer
Timestamp
UnresolvedPermission
URIParameter
列舉 
KeyRep.Type
異常 
AccessControlException
DigestException
GeneralSecurityException
InvalidAlgorithmParameterException
InvalidKeyException
InvalidParameterException
KeyException
KeyManagementException
KeyStoreException
NoSuchAlgorithmException
NoSuchProviderException
PrivilegedActionException
ProviderException
SignatureException
UnrecoverableEntryException
UnrecoverableKeyException