org.bouncycastle.pqc.jcajce.provider.mceliece
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

Inner Class Summary

static class

McEliecePKCSCipherSpi.McEliecePKCS

Fields inherited from class org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher

buf, cipherTextSize, maxPlainTextSize, paramSpec

Fields inherited from class org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt

DECRYPT_MODE, ENCRYPT_MODE, opMode

Fields inherited from interface org.bouncycastle.asn1.pkcs.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, id_spq_oid, 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, smime_alg, sMIMECapabilitiesVersions, srsaOAEPEncryptionSET, x509Certificate, x509certType, x509Crl

Fields inherited from interface org.bouncycastle.asn1.x509.X509ObjectIdentifiers

attributeType, 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_pda, id_pe, id_pkix, id_rsassa_pss_shake128, id_rsassa_pss_shake256, id_SHA1, localityName, ocspAccessMethod, organization, organizationalUnitName, pkix_algorithms, ripemd160, ripemd160WithRSAEncryption, stateOrProvinceName

Constructor Summary

McEliecePKCSCipherSpi(McElieceCipher cipher)

Method Summary

int	getKeySize(java.security.Key key) Return the key size of the given key object in bits.
java.lang.String	getName()
protected void	initCipherDecrypt(java.security.Key key, java.security.spec.AlgorithmParameterSpec params) Initialize the AsymmetricBlockCipher with a certain key for data encryption.
protected void	initCipherEncrypt(java.security.Key key, java.security.spec.AlgorithmParameterSpec params, java.security.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 org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher

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

Methods inherited from class org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt

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

Methods inherited from class javax.crypto.CipherSpi

engineUnwrap, engineWrap

Methods inherited from class java.lang.Object

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

Constructor Detail

McEliecePKCSCipherSpi

public McEliecePKCSCipherSpi(McElieceCipher cipher)

Method Detail

initCipherEncrypt

protected void initCipherEncrypt(java.security.Key key,
                                 java.security.spec.AlgorithmParameterSpec params,
                                 java.security.SecureRandom sr)
                          throws java.security.InvalidKeyException,
                                 java.security.InvalidAlgorithmParameterException

Description copied from class: AsymmetricBlockCipher

Initialize the AsymmetricBlockCipher with a certain key for data encryption.

Overrides:

initCipherEncrypt in class AsymmetricBlockCipher

Following copied from class: org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher

Parameters:

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

params - the algorithm parameters

sr - the source of randomness

Throws:

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

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

initCipherDecrypt

protected void initCipherDecrypt(java.security.Key key,
                                 java.security.spec.AlgorithmParameterSpec params)
                          throws java.security.InvalidKeyException,
                                 java.security.InvalidAlgorithmParameterException

Description copied from class: AsymmetricBlockCipher

Initialize the AsymmetricBlockCipher with a certain key for data encryption.

Overrides:

initCipherDecrypt in class AsymmetricBlockCipher

Following copied from class: org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher

Parameters:

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

params - the algorithm parameters

Throws:

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

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

messageEncrypt

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

Description copied from class: AsymmetricBlockCipher

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

Overrides:

messageEncrypt in class AsymmetricBlockCipher

Following copied from class: org.bouncycastle.pqc.jcajce.provider.util.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:

javax.crypto.IllegalBlockSizeException - if the input is inappropriate for this cipher.

javax.crypto.BadPaddingException - if the input format is invalid.

messageDecrypt

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

Description copied from class: AsymmetricBlockCipher

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

Overrides:

messageDecrypt in class AsymmetricBlockCipher

Following copied from class: org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher

Parameters:

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

Returns:

the decrypted message

Throws:

javax.crypto.IllegalBlockSizeException - if the input is inappropriate for this cipher.

javax.crypto.BadPaddingException - if the input format is invalid.

getName

public java.lang.String getName()

Overrides:

getName in class CipherSpiExt

Following copied from class: org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt

Returns:

the name of this cipher

getKeySize

public int getKeySize(java.security.Key key)
               throws java.security.InvalidKeyException

Description copied from class: CipherSpiExt

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

Overrides:

getKeySize in class CipherSpiExt

Following copied from class: org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt

Parameters:

key - the key object

Returns:

the key size in bits of the given key object

Throws:

java.security.InvalidKeyException - if key is invalid.