Package org.bouncycastle.jcajce.provider.asymmetric.ecgost

## Class SignatureSpi

- java.lang.Object
- - java.security.SignatureSpi
  - - org.bouncycastle.jcajce.provider.asymmetric.ecgost.SignatureSpi

- All Implemented Interfaces:
    `PKCSObjectIdentifiers`, `X509ObjectIdentifiers`

      public class SignatureSpi
      extends java.security.SignatureSpi
      implements PKCSObjectIdentifiers, X509ObjectIdentifiers

- - ### Field Summary

    - ### Fields inherited from class java.security.SignatureSpi

      `appRandom`

    - ### 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
    --- | ---
    `SignatureSpi()` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected java.lang.Object` | `engineGetParameter​(java.lang.String param)` | Deprecated.
    `protected java.security.AlgorithmParameters` | `engineGetParameters()` |
    `protected void` | `engineInitSign​(java.security.PrivateKey privateKey)` |
    `protected void` | `engineInitVerify​(java.security.PublicKey publicKey)` |
    `protected void` | `engineSetParameter​(java.lang.String param, java.lang.Object value)` | Deprecated. replaced with #engineSetParameter(java.security.spec.AlgorithmParameterSpec)
    `protected void` | `engineSetParameter​(java.security.spec.AlgorithmParameterSpec params)` |
    `protected byte[]` | `engineSign()` |
    `protected void` | `engineUpdate​(byte b)` |
    `protected void` | `engineUpdate​(byte[] b, int off, int len)` |
    `protected boolean` | `engineVerify​(byte[] sigBytes)` |

    - ### Methods inherited from class java.security.SignatureSpi

      `clone, engineInitSign, engineSign, engineUpdate, engineVerify`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### SignatureSpi

          public SignatureSpi()

  - ### Method Detail

    - #### engineInitVerify

          protected void engineInitVerify​(java.security.PublicKey publicKey)
                                   throws java.security.InvalidKeyException

      Specified by:
        `engineInitVerify` in class `java.security.SignatureSpi`
      Throws:
        `java.security.InvalidKeyException`

    - #### engineInitSign

          protected void engineInitSign​(java.security.PrivateKey privateKey)
                                 throws java.security.InvalidKeyException

      Specified by:
        `engineInitSign` in class `java.security.SignatureSpi`
      Throws:
        `java.security.InvalidKeyException`

    - #### engineUpdate

          protected void engineUpdate​(byte b)
                               throws java.security.SignatureException

      Specified by:
        `engineUpdate` in class `java.security.SignatureSpi`
      Throws:
        `java.security.SignatureException`

    - #### engineUpdate

          protected void engineUpdate​(byte[] b,
                                      int off,
                                      int len)
                               throws java.security.SignatureException

      Specified by:
        `engineUpdate` in class `java.security.SignatureSpi`
      Throws:
        `java.security.SignatureException`

    - #### engineSign

          protected byte[] engineSign()
                               throws java.security.SignatureException

      Specified by:
        `engineSign` in class `java.security.SignatureSpi`
      Throws:
        `java.security.SignatureException`

    - #### engineVerify

          protected boolean engineVerify​(byte[] sigBytes)
                                  throws java.security.SignatureException

      Specified by:
        `engineVerify` in class `java.security.SignatureSpi`
      Throws:
        `java.security.SignatureException`

    - #### engineSetParameter

          protected void engineSetParameter​(java.security.spec.AlgorithmParameterSpec params)

      Overrides:
        `engineSetParameter` in class `java.security.SignatureSpi`

    - #### engineSetParameter

          protected void engineSetParameter​(java.lang.String param,
                                            java.lang.Object value)

      Deprecated.
      replaced with #engineSetParameter(java.security.spec.AlgorithmParameterSpec)
      Specified by:
        `engineSetParameter` in class `java.security.SignatureSpi`

    - #### engineGetParameter

          protected java.lang.Object engineGetParameter​(java.lang.String param)

      Deprecated.
      Specified by:
        `engineGetParameter` in class `java.security.SignatureSpi`

    - #### engineGetParameters

          protected java.security.AlgorithmParameters engineGetParameters()

      Overrides:
        `engineGetParameters` in class `java.security.SignatureSpi`