Spec-Zone .ru
спецификации, руководства, описания, API
javax.crypto
Interfaces 
SecretKey
Classes 
Cipher
CipherInputStream
CipherOutputStream
CipherSpi
EncryptedPrivateKeyInfo
ExemptionMechanism
ExemptionMechanismSpi
KeyAgreement
KeyAgreementSpi
KeyGenerator
KeyGeneratorSpi
Mac
MacSpi
NullCipher
SealedObject
SecretKeyFactory
SecretKeyFactorySpi
Exceptions 
BadPaddingException
ExemptionMechanismException
IllegalBlockSizeException
NoSuchPaddingException
ShortBufferException