org.bouncycastle.operator
Interfaces 
AlgorithmNameFinder
ContentSigner
ContentVerifier
ContentVerifierProvider
DigestAlgorithmIdentifierFinder
DigestCalculator
DigestCalculatorProvider
InputDecryptor
InputDecryptorProvider
InputExpander
InputExpanderProvider
KeyUnwrapper
KeyWrapper
MacCalculator
MacCalculatorProvider
OutputCompressor
OutputEncryptor
RawContentVerifier
SecretKeySizeProvider
SignatureAlgorithmIdentifierFinder
Classes 
AsymmetricKeyUnwrapper
AsymmetricKeyWrapper
BufferingContentSigner
DefaultAlgorithmNameFinder
DefaultDigestAlgorithmIdentifierFinder
DefaultSecretKeySizeProvider
DefaultSignatureAlgorithmIdentifierFinder
GenericKey
SymmetricKeyUnwrapper
SymmetricKeyWrapper
Exceptions 
OperatorCreationException
OperatorException
OperatorStreamException
RuntimeOperatorException