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    • org.bouncycastle.operator.DefaultDigestAlgorithmIdentifierFinder Maven / Gradle / Ivy

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    The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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    package org.bouncycastle.operator;

import java.util.HashMap;
import java.util.Map;

import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.DERNull;
import org.bouncycastle.asn1.bc.BCObjectIdentifiers;
import org.bouncycastle.asn1.bsi.BSIObjectIdentifiers;
import org.bouncycastle.asn1.cms.CMSObjectIdentifiers;
import org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers;
import org.bouncycastle.asn1.eac.EACObjectIdentifiers;
import org.bouncycastle.asn1.edec.EdECObjectIdentifiers;
import org.bouncycastle.asn1.gm.GMObjectIdentifiers;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.RSASSAPSSparams;
import org.bouncycastle.asn1.rosstandart.RosstandartObjectIdentifiers;
import org.bouncycastle.asn1.teletrust.TeleTrusTObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;

public class DefaultDigestAlgorithmIdentifierFinder
    implements DigestAlgorithmIdentifierFinder
{
    private static Map digestOids = new HashMap();
    private static Map digestNameToOids = new HashMap();
    private static Map digestOidToAlgIds = new HashMap();

    static
    {
        //
        // digests
        //
        digestOids.put(OIWObjectIdentifiers.dsaWithSHA1, OIWObjectIdentifiers.idSHA1);
        digestOids.put(OIWObjectIdentifiers.md4WithRSAEncryption, PKCSObjectIdentifiers.md4);
        digestOids.put(OIWObjectIdentifiers.md4WithRSA, PKCSObjectIdentifiers.md4);
        digestOids.put(OIWObjectIdentifiers.sha1WithRSA, OIWObjectIdentifiers.idSHA1);

        digestOids.put(PKCSObjectIdentifiers.sha224WithRSAEncryption, NISTObjectIdentifiers.id_sha224);
        digestOids.put(PKCSObjectIdentifiers.sha256WithRSAEncryption, NISTObjectIdentifiers.id_sha256);
        digestOids.put(PKCSObjectIdentifiers.sha384WithRSAEncryption, NISTObjectIdentifiers.id_sha384);
        digestOids.put(PKCSObjectIdentifiers.sha512WithRSAEncryption, NISTObjectIdentifiers.id_sha512);
        digestOids.put(PKCSObjectIdentifiers.sha512_224WithRSAEncryption, NISTObjectIdentifiers.id_sha512_224);
        digestOids.put(PKCSObjectIdentifiers.sha512_256WithRSAEncryption, NISTObjectIdentifiers.id_sha512_256);
        digestOids.put(PKCSObjectIdentifiers.md2WithRSAEncryption, PKCSObjectIdentifiers.md2);
        digestOids.put(PKCSObjectIdentifiers.md4WithRSAEncryption, PKCSObjectIdentifiers.md4);
        digestOids.put(PKCSObjectIdentifiers.md5WithRSAEncryption, PKCSObjectIdentifiers.md5);
        digestOids.put(PKCSObjectIdentifiers.sha1WithRSAEncryption, OIWObjectIdentifiers.idSHA1);

        digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA1, OIWObjectIdentifiers.idSHA1);
        digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA224, NISTObjectIdentifiers.id_sha224);
        digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA256, NISTObjectIdentifiers.id_sha256);
        digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA384, NISTObjectIdentifiers.id_sha384);
        digestOids.put(X9ObjectIdentifiers.ecdsa_with_SHA512, NISTObjectIdentifiers.id_sha512);
        digestOids.put(X9ObjectIdentifiers.id_dsa_with_sha1, OIWObjectIdentifiers.idSHA1);

        digestOids.put(BSIObjectIdentifiers.ecdsa_plain_SHA1, OIWObjectIdentifiers.idSHA1);
        digestOids.put(BSIObjectIdentifiers.ecdsa_plain_SHA224, NISTObjectIdentifiers.id_sha224);
        digestOids.put(BSIObjectIdentifiers.ecdsa_plain_SHA256, NISTObjectIdentifiers.id_sha256);
        digestOids.put(BSIObjectIdentifiers.ecdsa_plain_SHA384, NISTObjectIdentifiers.id_sha384);
        digestOids.put(BSIObjectIdentifiers.ecdsa_plain_SHA512, NISTObjectIdentifiers.id_sha512);
        digestOids.put(BSIObjectIdentifiers.ecdsa_plain_RIPEMD160, TeleTrusTObjectIdentifiers.ripemd160);

        digestOids.put(EACObjectIdentifiers.id_TA_ECDSA_SHA_1, OIWObjectIdentifiers.idSHA1);
        digestOids.put(EACObjectIdentifiers.id_TA_ECDSA_SHA_224, NISTObjectIdentifiers.id_sha224);
        digestOids.put(EACObjectIdentifiers.id_TA_ECDSA_SHA_256, NISTObjectIdentifiers.id_sha256);
        digestOids.put(EACObjectIdentifiers.id_TA_ECDSA_SHA_384, NISTObjectIdentifiers.id_sha384);
        digestOids.put(EACObjectIdentifiers.id_TA_ECDSA_SHA_512, NISTObjectIdentifiers.id_sha512);

        digestOids.put(NISTObjectIdentifiers.dsa_with_sha224, NISTObjectIdentifiers.id_sha224);
        digestOids.put(NISTObjectIdentifiers.dsa_with_sha256, NISTObjectIdentifiers.id_sha256);
        digestOids.put(NISTObjectIdentifiers.dsa_with_sha384, NISTObjectIdentifiers.id_sha384);
        digestOids.put(NISTObjectIdentifiers.dsa_with_sha512, NISTObjectIdentifiers.id_sha512);

        digestOids.put(NISTObjectIdentifiers.id_rsassa_pkcs1_v1_5_with_sha3_224, NISTObjectIdentifiers.id_sha3_224);
        digestOids.put(NISTObjectIdentifiers.id_rsassa_pkcs1_v1_5_with_sha3_256, NISTObjectIdentifiers.id_sha3_256);
        digestOids.put(NISTObjectIdentifiers.id_rsassa_pkcs1_v1_5_with_sha3_384, NISTObjectIdentifiers.id_sha3_384);
        digestOids.put(NISTObjectIdentifiers.id_rsassa_pkcs1_v1_5_with_sha3_512, NISTObjectIdentifiers.id_sha3_512);
        digestOids.put(NISTObjectIdentifiers.id_dsa_with_sha3_224, NISTObjectIdentifiers.id_sha3_224);
        digestOids.put(NISTObjectIdentifiers.id_dsa_with_sha3_256, NISTObjectIdentifiers.id_sha3_256);
        digestOids.put(NISTObjectIdentifiers.id_dsa_with_sha3_384, NISTObjectIdentifiers.id_sha3_384);
        digestOids.put(NISTObjectIdentifiers.id_dsa_with_sha3_512, NISTObjectIdentifiers.id_sha3_512);
        digestOids.put(NISTObjectIdentifiers.id_ecdsa_with_sha3_224, NISTObjectIdentifiers.id_sha3_224);
        digestOids.put(NISTObjectIdentifiers.id_ecdsa_with_sha3_256, NISTObjectIdentifiers.id_sha3_256);
        digestOids.put(NISTObjectIdentifiers.id_ecdsa_with_sha3_384, NISTObjectIdentifiers.id_sha3_384);
        digestOids.put(NISTObjectIdentifiers.id_ecdsa_with_sha3_512, NISTObjectIdentifiers.id_sha3_512);

        digestOids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128, TeleTrusTObjectIdentifiers.ripemd128);
        digestOids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160, TeleTrusTObjectIdentifiers.ripemd160);
        digestOids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256, TeleTrusTObjectIdentifiers.ripemd256);

        digestOids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94, CryptoProObjectIdentifiers.gostR3411);
        digestOids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001, CryptoProObjectIdentifiers.gostR3411);
        digestOids.put(RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256, RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256);
        digestOids.put(RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512, RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512);

        digestOids.put(BCObjectIdentifiers.sphincs256_with_SHA3_512, NISTObjectIdentifiers.id_sha3_512);
        digestOids.put(BCObjectIdentifiers.sphincs256_with_SHA512, NISTObjectIdentifiers.id_sha512);

//        digestOids.put(GMObjectIdentifiers.sm2sign_with_rmd160, TeleTrusTObjectIdentifiers.ripemd160);
//        digestOids.put(GMObjectIdentifiers.sm2sign_with_sha1, OIWObjectIdentifiers.idSHA1);
//        digestOids.put(GMObjectIdentifiers.sm2sign_with_sha224, NISTObjectIdentifiers.id_sha224);
        digestOids.put(GMObjectIdentifiers.sm2sign_with_sha256, NISTObjectIdentifiers.id_sha256);
//        digestOids.put(GMObjectIdentifiers.sm2sign_with_sha384, NISTObjectIdentifiers.id_sha384);
//        digestOids.put(GMObjectIdentifiers.sm2sign_with_sha512, NISTObjectIdentifiers.id_sha512);
        digestOids.put(GMObjectIdentifiers.sm2sign_with_sm3, GMObjectIdentifiers.sm3);

        digestOids.put(CMSObjectIdentifiers.id_RSASSA_PSS_SHAKE128, NISTObjectIdentifiers.id_shake128);
        digestOids.put(CMSObjectIdentifiers.id_RSASSA_PSS_SHAKE256, NISTObjectIdentifiers.id_shake256);
        digestOids.put(CMSObjectIdentifiers.id_ecdsa_with_shake128, NISTObjectIdentifiers.id_shake128);
        digestOids.put(CMSObjectIdentifiers.id_ecdsa_with_shake256, NISTObjectIdentifiers.id_shake256);

        digestNameToOids.put("SHA-1", OIWObjectIdentifiers.idSHA1);
        digestNameToOids.put("SHA-224", NISTObjectIdentifiers.id_sha224);
        digestNameToOids.put("SHA-256", NISTObjectIdentifiers.id_sha256);
        digestNameToOids.put("SHA-384", NISTObjectIdentifiers.id_sha384);
        digestNameToOids.put("SHA-512", NISTObjectIdentifiers.id_sha512);
        digestNameToOids.put("SHA-512-224", NISTObjectIdentifiers.id_sha512_224);
        digestNameToOids.put("SHA-512-256", NISTObjectIdentifiers.id_sha512_256);

        digestNameToOids.put("SHA1", OIWObjectIdentifiers.idSHA1);
        digestNameToOids.put("SHA224", NISTObjectIdentifiers.id_sha224);
        digestNameToOids.put("SHA256", NISTObjectIdentifiers.id_sha256);
        digestNameToOids.put("SHA384", NISTObjectIdentifiers.id_sha384);
        digestNameToOids.put("SHA512", NISTObjectIdentifiers.id_sha512);
        digestNameToOids.put("SHA512-224", NISTObjectIdentifiers.id_sha512_224);
        digestNameToOids.put("SHA512-256", NISTObjectIdentifiers.id_sha512_256);

        digestNameToOids.put("SHA3-224", NISTObjectIdentifiers.id_sha3_224);
        digestNameToOids.put("SHA3-256", NISTObjectIdentifiers.id_sha3_256);
        digestNameToOids.put("SHA3-384", NISTObjectIdentifiers.id_sha3_384);
        digestNameToOids.put("SHA3-512", NISTObjectIdentifiers.id_sha3_512);

        digestNameToOids.put("SHAKE128", NISTObjectIdentifiers.id_shake128);
        digestNameToOids.put("SHAKE256", NISTObjectIdentifiers.id_shake256);
        digestNameToOids.put("SHAKE-128", NISTObjectIdentifiers.id_shake128);
        digestNameToOids.put("SHAKE-256", NISTObjectIdentifiers.id_shake256);

        digestNameToOids.put("GOST3411", CryptoProObjectIdentifiers.gostR3411);
        digestNameToOids.put("GOST3411-2012-256", RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256);
        digestNameToOids.put("GOST3411-2012-512", RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512);

        digestNameToOids.put("MD2", PKCSObjectIdentifiers.md2);
        digestNameToOids.put("MD4", PKCSObjectIdentifiers.md4);
        digestNameToOids.put("MD5", PKCSObjectIdentifiers.md5);

        digestNameToOids.put("RIPEMD128", TeleTrusTObjectIdentifiers.ripemd128);
        digestNameToOids.put("RIPEMD160", TeleTrusTObjectIdentifiers.ripemd160);
        digestNameToOids.put("RIPEMD256", TeleTrusTObjectIdentifiers.ripemd256);

        digestNameToOids.put("SM3", GMObjectIdentifiers.sm3);

        // IETF RFC 3370
        addDigestAlgId(OIWObjectIdentifiers.idSHA1, true);
        // IETF RFC 5754
        addDigestAlgId(NISTObjectIdentifiers.id_sha224, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha256, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha384, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha512, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha512_224, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha512_256, false);

        // NIST CSOR
        addDigestAlgId(NISTObjectIdentifiers.id_sha3_224, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha3_256, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha3_384, false);
        addDigestAlgId(NISTObjectIdentifiers.id_sha3_512, false);

        // RFC 8702
        addDigestAlgId(NISTObjectIdentifiers.id_shake128, false);
        addDigestAlgId(NISTObjectIdentifiers.id_shake256, false);

        // RFC 4357
        addDigestAlgId(CryptoProObjectIdentifiers.gostR3411, true);

        // draft-deremin-rfc4491
        addDigestAlgId(RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256, false);
        addDigestAlgId(RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512, false);

        // IETF RFC 1319
        addDigestAlgId(PKCSObjectIdentifiers.md2, true);
        // IETF RFC 1320
        addDigestAlgId(PKCSObjectIdentifiers.md4, true);
        // IETF RFC 1321
        addDigestAlgId(PKCSObjectIdentifiers.md5, true);

        // found no standard which specified the handle of AlgorithmIdentifier.parameters,
        // so let it as before.
        addDigestAlgId(TeleTrusTObjectIdentifiers.ripemd128, true);
        addDigestAlgId(TeleTrusTObjectIdentifiers.ripemd160, true);
        addDigestAlgId(TeleTrusTObjectIdentifiers.ripemd256, true);
    }

    private static void addDigestAlgId(ASN1ObjectIdentifier oid, boolean withNullParams)
    {
        AlgorithmIdentifier algId;
        if (withNullParams)
        {
            algId = new AlgorithmIdentifier(oid, DERNull.INSTANCE);
        }
        else
        {
            algId = new AlgorithmIdentifier(oid);
        }
        digestOidToAlgIds.put(oid, algId);
    }

    public AlgorithmIdentifier find(AlgorithmIdentifier sigAlgId)
    {
        ASN1ObjectIdentifier sigAlgOid = sigAlgId.getAlgorithm();

        if (sigAlgOid.equals(EdECObjectIdentifiers.id_Ed448))
        {
            return new AlgorithmIdentifier(NISTObjectIdentifiers.id_shake256_len, new ASN1Integer(512));
        }

        ASN1ObjectIdentifier digAlgOid;
        if (sigAlgOid.equals(PKCSObjectIdentifiers.id_RSASSA_PSS))
        {
            digAlgOid = RSASSAPSSparams.getInstance(sigAlgId.getParameters()).getHashAlgorithm().getAlgorithm();
        }
        else if (sigAlgOid.equals(EdECObjectIdentifiers.id_Ed25519))
        {
            digAlgOid = NISTObjectIdentifiers.id_sha512;
        }
        else
        {
            digAlgOid = (ASN1ObjectIdentifier)digestOids.get(sigAlgId.getAlgorithm());
        }

        return find(digAlgOid);
    }

    public AlgorithmIdentifier find(ASN1ObjectIdentifier digAlgOid)
    {
        if (digAlgOid == null)
        {
            throw new NullPointerException("digest OID is null");
        }

        AlgorithmIdentifier digAlgId = (AlgorithmIdentifier)digestOidToAlgIds.get(digAlgOid);
        if (digAlgId == null)
        {
            return new AlgorithmIdentifier(digAlgOid);
        }
        else
        {
            return digAlgId;
        }
    }

    public AlgorithmIdentifier find(String digAlgName)
    {
        ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)digestNameToOids.get(digAlgName);
        if (oid != null)
        {
            return find(oid);
        }
        try
        {
            return find(new ASN1ObjectIdentifier(digAlgName));
        }
        catch (IllegalArgumentException e)
        {
            // ignore - tried it but it didn't work...
        }

        return null;
    }
}




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