Class McEliecePKCSCipherSpi

java.lang.Object

javax.crypto.CipherSpi

org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt

org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher

org.bouncycastle.pqc.jcajce.provider.mceliece.McEliecePKCSCipherSpi

All Implemented Interfaces:

PKCSObjectIdentifiers, X509ObjectIdentifiers

Direct Known Subclasses:

McEliecePKCSCipherSpi.McEliecePKCS

public class McEliecePKCSCipherSpi
extends AsymmetricBlockCipher
implements PKCSObjectIdentifiers, X509ObjectIdentifiers

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	McEliecePKCSCipherSpi.McEliecePKCS

Field Summary

Fields inherited from class AsymmetricBlockCipher

buf, cipherTextSize, maxPlainTextSize, paramSpec

Fields inherited from class CipherSpiExt

DECRYPT_MODE, ENCRYPT_MODE, opMode

Fields inherited from interface PKCSObjectIdentifiers

bagtypes, canNotDecryptAny, certBag, certTypes, crlBag, crlTypes, data, des_EDE3_CBC, dhKeyAgreement, digestAlgorithm, digestedData, encryptedData, encryptionAlgorithm, envelopedData, id_aa, id_aa_asymmDecryptKeyID, id_aa_cmsAlgorithmProtect, id_aa_commitmentType, id_aa_communityIdentifiers, id_aa_contentHint, id_aa_contentIdentifier, id_aa_contentReference, id_aa_decryptKeyID, id_aa_encrypKeyPref, id_aa_ets_archiveTimestamp, id_aa_ets_certCRLTimestamp, id_aa_ets_certificateRefs, id_aa_ets_certValues, id_aa_ets_commitmentType, id_aa_ets_contentTimestamp, id_aa_ets_escTimeStamp, id_aa_ets_otherSigCert, id_aa_ets_revocationRefs, id_aa_ets_revocationValues, id_aa_ets_signerAttr, id_aa_ets_signerLocation, id_aa_ets_sigPolicyId, id_aa_implCompressAlgs, id_aa_implCryptoAlgs, id_aa_msgSigDigest, id_aa_otherSigCert, id_aa_receiptRequest, id_aa_signatureTimeStampToken, id_aa_signerLocation, id_aa_signingCertificate, id_aa_signingCertificateV2, id_aa_sigPolicyId, id_alg, id_alg_AEADChaCha20Poly1305, id_alg_CMS3DESwrap, id_alg_CMSRC2wrap, id_alg_ESDH, id_alg_hkdf_with_sha256, id_alg_hkdf_with_sha384, id_alg_hkdf_with_sha512, id_alg_hss_lms_hashsig, id_alg_PWRI_KEK, id_alg_SSDH, id_alg_zlibCompress, id_ct, id_ct_authData, id_ct_authEnvelopedData, id_ct_compressedData, id_ct_timestampedData, id_ct_TSTInfo, id_cti, id_cti_ets_proofOfApproval, id_cti_ets_proofOfCreation, id_cti_ets_proofOfDelivery, id_cti_ets_proofOfOrigin, id_cti_ets_proofOfReceipt, id_cti_ets_proofOfSender, id_hmacWithSHA1, id_hmacWithSHA224, id_hmacWithSHA256, id_hmacWithSHA384, id_hmacWithSHA512, id_hmacWithSHA512_224, id_hmacWithSHA512_256, id_mgf1, id_PBES2, id_PBKDF2, id_PBMAC1, id_pSpecified, id_rsa_KEM, id_RSAES_OAEP, id_RSASSA_PSS, id_smime, id_spq, id_spq_ets_unotice, id_spq_ets_uri, keyBag, md2, md2WithRSAEncryption, md4, md4WithRSAEncryption, md5, md5WithRSAEncryption, pbeWithMD2AndDES_CBC, pbeWithMD2AndRC2_CBC, pbeWithMD5AndDES_CBC, pbeWithMD5AndRC2_CBC, pbeWithSHA1AndDES_CBC, pbeWithSHA1AndRC2_CBC, pbeWithSHAAnd128BitRC2_CBC, pbeWithSHAAnd128BitRC4, pbeWithSHAAnd2_KeyTripleDES_CBC, pbeWithSHAAnd3_KeyTripleDES_CBC, pbewithSHAAnd40BitRC2_CBC, pbeWithSHAAnd40BitRC2_CBC, pbeWithSHAAnd40BitRC4, pkcs_1, pkcs_12, pkcs_12PbeIds, pkcs_3, pkcs_5, pkcs_7, pkcs_9, pkcs_9_at_binarySigningTime, pkcs_9_at_challengePassword, pkcs_9_at_contentType, pkcs_9_at_counterSignature, pkcs_9_at_emailAddress, pkcs_9_at_extendedCertificateAttributes, pkcs_9_at_extensionRequest, pkcs_9_at_friendlyName, pkcs_9_at_localKeyId, pkcs_9_at_messageDigest, pkcs_9_at_signingDescription, pkcs_9_at_signingTime, pkcs_9_at_smimeCapabilities, pkcs_9_at_unstructuredAddress, pkcs_9_at_unstructuredName, pkcs8ShroudedKeyBag, preferSignedData, RC2_CBC, rc4, rsaEncryption, safeContentsBag, sdsiCertificate, secretBag, sha1WithRSAEncryption, sha224WithRSAEncryption, sha256WithRSAEncryption, sha384WithRSAEncryption, sha512_224WithRSAEncryption, sha512_256WithRSAEncryption, sha512WithRSAEncryption, signedAndEnvelopedData, signedData, sMIMECapabilitiesVersions, srsaOAEPEncryptionSET, x509Certificate, x509certType, x509Crl

Fields inherited from interface X509ObjectIdentifiers

commonName, countryName, crlAccessMethod, id_ad, id_ad_caIssuers, id_ad_ocsp, id_at_name, id_at_organizationIdentifier, id_at_telephoneNumber, id_ce, id_ea_rsa, id_ecdsa_with_shake128, id_ecdsa_with_shake256, id_PasswordBasedMac, id_pe, id_pkix, id_rsassa_pss_shake128, id_rsassa_pss_shake256, id_SHA1, localityName, ocspAccessMethod, organization, organizationalUnitName, ripemd160, ripemd160WithRSAEncryption, stateOrProvinceName

Constructor Summary

Constructors

Constructor	Description
McEliecePKCSCipherSpi(McElieceCipher cipher)

Method Summary

Modifier and Type	Method	Description
int	getKeySize(Key key)	Return the key size of the given key object in bits.
String	getName()
protected void	initCipherDecrypt(Key key, AlgorithmParameterSpec params)	Initialize the AsymmetricBlockCipher with a certain key for data encryption.
protected void	initCipherEncrypt(Key key, AlgorithmParameterSpec params, SecureRandom sr)	Initialize the AsymmetricBlockCipher with a certain key for data encryption.
protected byte[]	messageDecrypt(byte[] input)	Decrypt the ciphertext stored in input.
protected byte[]	messageEncrypt(byte[] input)	Encrypt the message stored in input.

Methods inherited from class AsymmetricBlockCipher

checkLength, doFinal, doFinal, getBlockSize, getIV, getOutputSize, getParameters, initDecrypt, initDecrypt, initEncrypt, initEncrypt, initEncrypt, initEncrypt, setMode, setPadding, update, update

Methods inherited from class CipherSpiExt

doFinal, doFinal, engineDoFinal, engineDoFinal, engineGetBlockSize, engineGetIV, engineGetKeySize, engineGetOutputSize, engineGetParameters, engineInit, engineInit, engineInit, engineSetMode, engineSetPadding, engineUpdate, engineUpdate, update

Methods inherited from class CipherSpi

engineDoFinal, engineUnwrap, engineUpdate, engineUpdateAAD, engineUpdateAAD, engineWrap

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

McEliecePKCSCipherSpi

public McEliecePKCSCipherSpi(McElieceCipher cipher)

Method Details

initCipherEncrypt

protected void initCipherEncrypt(Key key,
 AlgorithmParameterSpec params,
 SecureRandom sr)
                          throws InvalidKeyException,
InvalidAlgorithmParameterException

Description copied from class: AsymmetricBlockCipher

Initialize the AsymmetricBlockCipher with a certain key for data encryption.

Specified by:

initCipherEncrypt in class AsymmetricBlockCipher

Parameters:

key - the key which has to be used to encrypt data

params - the algorithm parameters

sr - the source of randomness

Throws:

InvalidKeyException - if the given key is inappropriate for initializing this cipher.

InvalidAlgorithmParameterException - if the given parameters are inappropriate for initializing this cipher.

initCipherDecrypt

protected void initCipherDecrypt(Key key,
 AlgorithmParameterSpec params)
                          throws InvalidKeyException,
InvalidAlgorithmParameterException

Description copied from class: AsymmetricBlockCipher

Initialize the AsymmetricBlockCipher with a certain key for data encryption.

Specified by:

initCipherDecrypt in class AsymmetricBlockCipher

Parameters:

key - the key which has to be used to decrypt data

params - the algorithm parameters

Throws:

InvalidKeyException - if the given key is inappropriate for initializing this cipher

InvalidAlgorithmParameterException - if the given parameters are inappropriate for initializing this cipher.

messageEncrypt

protected byte[] messageEncrypt(byte[] input)
                         throws IllegalBlockSizeException,
BadPaddingException

Description copied from class: AsymmetricBlockCipher

Encrypt the message stored in input. The method should also perform an additional length check.

Specified by:

messageEncrypt in class AsymmetricBlockCipher

Parameters:

input - the message to be encrypted (usually the message length is less than or equal to maxPlainTextSize)

Returns:

the encrypted message (it has length equal to maxCipherTextSize_)

Throws:

IllegalBlockSizeException - if the input is inappropriate for this cipher.

BadPaddingException - if the input format is invalid.

messageDecrypt

protected byte[] messageDecrypt(byte[] input)
                         throws IllegalBlockSizeException,
BadPaddingException

Description copied from class: AsymmetricBlockCipher

Decrypt the ciphertext stored in input. The method should also perform an additional length check.

Specified by:

messageDecrypt in class AsymmetricBlockCipher

Parameters:

input - the ciphertext to be decrypted (the ciphertext length is less than or equal to maxCipherTextSize)

Returns:

the decrypted message

Throws:

IllegalBlockSizeException - if the input is inappropriate for this cipher.

BadPaddingException - if the input format is invalid.

getName

public String getName()

Specified by:

getName in class CipherSpiExt

Returns:

the name of this cipher

getKeySize

public int getKeySize(Key key)
               throws InvalidKeyException

Description copied from class: CipherSpiExt

Return the key size of the given key object in bits.

Specified by:

getKeySize in class CipherSpiExt

Parameters:

key - the key object

Returns:

the key size in bits of the given key object

Throws:

InvalidKeyException - if key is invalid.