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org.bouncycastle.cms.bc

pack-priv Class EnvelopedDataHelper

Class Inheritance

extends Object

java.lang.Object
org.bouncycastle.cms.bc.EnvelopedDataHelper

Imports

java.security.SecureRandom, java.util.Collections, .HashMap, .HashSet, .Map, .Set, org.bouncycastle.asn1.ASN1ObjectIdentifier, org.bouncycastle.asn1.nist.NISTObjectIdentifiers, org.bouncycastle.asn1.oiw.OIWObjectIdentifiers, org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers, org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.cms.CMSAlgorithm, .CMSException, org.bouncycastle.crypto.CipherKeyGenerator, .CipherParameters, .ExtendedDigest, .Wrapper, org.bouncycastle.crypto.digests.SHA1Digest, .SHA224Digest, .SHA256Digest, .SHA384Digest, .SHA512Digest, org.bouncycastle.crypto.engines.AESEngine, .DESEngine, .DESedeEngine, .RC2Engine, .RFC3211WrapEngine, org.bouncycastle.crypto.params.KeyParameter, org.bouncycastle.crypto.util.AlgorithmIdentifierFactory, .CipherFactory, .CipherKeyGeneratorFactory, org.bouncycastle.operator.OperatorCreationException, org.bouncycastle.operator.bc.BcDigestProvider

Field Summary

Modifier and Type	Field and Description
private static final Set<E>	authEnvelopedAlgorithms
protected static final Map<K, V>	BASE_CIPHER_NAMES
protected static final Map<K, V>	MAC_ALG_NAMES
private static final Map<K, V>	prfs

Constructor Summary

Access	Constructor and Description
pack-priv	EnvelopedDataHelper()

Method Summary

Modifier and Type	Method and Description
pack-priv static Object	createContentCipher(boolean forEncryption, CipherParameters encKey, AlgorithmIdentifier encryptionAlgID)
pack-priv CipherKeyGenerator	createKeyGenerator(ASN1ObjectIdentifier algorithm, int keySize, SecureRandom random)
pack-priv static Wrapper	createRFC3211Wrapper(ASN1ObjectIdentifier algorithm)
private static Map<K, V>	createTable()
pack-priv AlgorithmIdentifier	generateEncryptionAlgID(ASN1ObjectIdentifier encryptionOID, KeyParameter encKey, SecureRandom random)
pack-priv static ExtendedDigest	getPRF(AlgorithmIdentifier algID)
pack-priv boolean	isAuthEnveloped(ASN1ObjectIdentifier algorithm)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

authEnvelopedAlgorithms	back to summary
private static final Set<E> authEnvelopedAlgorithms

BASE_CIPHER_NAMES	back to summary
protected static final Map<K, V> BASE_CIPHER_NAMES

MAC_ALG_NAMES	back to summary
protected static final Map<K, V> MAC_ALG_NAMES

prfs	back to summary
private static final Map<K, V> prfs

Constructor Detail

EnvelopedDataHelper	back to summary
pack-priv EnvelopedDataHelper()

Method Detail

createContentCipher	back to summary
pack-priv static Object createContentCipher(boolean forEncryption, CipherParameters encKey, AlgorithmIdentifier encryptionAlgID) throws CMSException

createKeyGenerator	back to summary
pack-priv CipherKeyGenerator createKeyGenerator(ASN1ObjectIdentifier algorithm, int keySize, SecureRandom random) throws CMSException

createRFC3211Wrapper	back to summary
pack-priv static Wrapper createRFC3211Wrapper(ASN1ObjectIdentifier algorithm) throws CMSException

createTable	back to summary
private static Map<K, V> createTable()

generateEncryptionAlgID	back to summary
pack-priv AlgorithmIdentifier generateEncryptionAlgID(ASN1ObjectIdentifier encryptionOID, KeyParameter encKey, SecureRandom random) throws CMSException

getPRF	back to summary
pack-priv static ExtendedDigest getPRF(AlgorithmIdentifier algID) throws OperatorCreationException

isAuthEnveloped	back to summary
pack-priv boolean isAuthEnveloped(ASN1ObjectIdentifier algorithm)