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 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_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_mgf1, id_PBES2, id_PBKDF2, 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_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 org.bouncycastle.asn1.x509.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_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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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
engineDoFinal, engineUnwrap, engineUpdate, engineUpdateAAD, engineUpdateAAD, 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.
    
    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:
    
    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.
    
    Specified by:
    
    initCipherDecrypt in class 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.
    
    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:
    
    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.
    
    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:
    
    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()
```
    Specified by:
    
    getName in class 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.
    
    Specified by:
    
    getKeySize in class 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.

Class McEliecePKCSCipherSpi

Nested Class Summary

Field Summary

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

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

Fields inherited from interface org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers

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

Constructor Summary

Method Summary

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

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

Methods inherited from class javax.crypto.CipherSpi

Methods inherited from class java.lang.Object

Constructor Detail

McEliecePKCSCipherSpi

Method Detail

initCipherEncrypt

initCipherDecrypt

messageEncrypt

messageDecrypt

getName

getKeySize