Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.RSAESOAEPparams

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        }
       
        AlgorithmParameters oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE)),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-1 parameters");
        }
       
        //
        // OAEP - SHA224
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA224AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pub2048Key, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[3]))
        {
            fail("OAEP SHA-224 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, priv2048Key);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP SHA-224 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, DERNull.INSTANCE),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, DERNull.INSTANCE)),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-224 parameters");
        }
       
        //
        // OAEP - SHA 256
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA256AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pub2048Key, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[4]))
        {
            fail("OAEP SHA-256 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, priv2048Key);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP SHA-256 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, DERNull.INSTANCE),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, DERNull.INSTANCE)),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-256 parameters");
        }
       
        //
        // OAEP - SHA 384
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA384AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pub2048Key, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[5]))
        {
            fail("OAEP SHA-384 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, priv2048Key);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP SHA-384 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, DERNull.INSTANCE),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, DERNull.INSTANCE)),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-384 parameters");
        }
       
        //
        // OAEP - MD5
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithMD5AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pubKey, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[6]))
        {
            fail("OAEP MD5 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, privKey);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP MD5 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.md5, DERNull.INSTANCE),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(PKCSObjectIdentifiers.md5, DERNull.INSTANCE)),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default md5 parameters");
        }
       
        //
        // OAEP - SHA1 with default parameters
        //
        c = Cipher.getInstance("RSA/NONE/OAEPPadding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pubKey, OAEPParameterSpec.DEFAULT, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[2]))
        {
            fail("OAEP test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA1AndMGF1Padding", "BC");
       
        c.init(Cipher.DECRYPT_MODE, privKey);

        out = c.doFinal(out);
       
        if (!areEqual(out, input))
        {
            fail("OAEP test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(), new byte[] { 0x30, 0x00 }))
        {
            fail("OAEP test failed default parameters");
        }

        //
        // OAEP - SHA1 with specified string
        //
        c = Cipher.getInstance("RSA/NONE/OAEPPadding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pubKey, new OAEPParameterSpec("SHA1", "MGF1", new MGF1ParameterSpec("SHA1"), new PSource.PSpecified(new byte[] { 1, 2, 3, 4, 5 })), rand);

        out = c.doFinal(input);

        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE)),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[] { 1, 2, 3, 4, 5 }))).getEncoded()))
        {
            fail("OAEP test failed changed sha-1 parameters");
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                                                            PKCSObjectIdentifiers.id_mgf1,
                                                            new AlgorithmIdentifier(DigestFactory.getOID(mgfSpec.getDigestAlgorithm()), DERNull.INSTANCE));
            PSource.PSpecified      pSource = (PSource.PSpecified)currentSpec.getPSource();
            AlgorithmIdentifier pSourceAlgorithm = new AlgorithmIdentifier(
                                                            PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(pSource.getValue()));
            RSAESOAEPparams oaepP = new RSAESOAEPparams(hashAlgorithm, maskGenAlgorithm, pSourceAlgorithm);
   
            try
            {
                return oaepP.getEncoded(ASN1Encoding.DER);
            }
            catch (IOException e)
            {
                throw new RuntimeException("Error encoding OAEPParameters");
            }
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            byte[] params)
            throws IOException
        {
            try
            {
                RSAESOAEPparams oaepP = RSAESOAEPparams.getInstance(params);

                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getAlgorithm().getId(),
                                       oaepP.getMaskGenAlgorithm().getAlgorithm().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getAlgorithm().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid OAEP Parameter encoding.");
            }
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                                                            PKCSObjectIdentifiers.id_mgf1,
                                                            new AlgorithmIdentifier(JCEDigestUtil.getOID(mgfSpec.getDigestAlgorithm()), new DERNull()));
            PSource.PSpecified      pSource = (PSource.PSpecified)currentSpec.getPSource();
            AlgorithmIdentifier     pSourceAlgorithm = new AlgorithmIdentifier(
                                                            PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(pSource.getValue()));
            RSAESOAEPparams         oaepP = new RSAESOAEPparams(hashAlgorithm, maskGenAlgorithm, pSourceAlgorithm);
   
            try
            {
                dOut.writeObject(oaepP);
                dOut.close();
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        {
            ASN1InputStream        aIn = new ASN1InputStream(params);
   
            try
            {
                RSAESOAEPparams oaepP = new RSAESOAEPparams((ASN1Sequence)aIn.readObject());
   
                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getObjectId().getId(),
                                       oaepP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid OAEP Parameter encoding.");
            }
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        }
       
        AlgorithmParameters oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, new DERNull()),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, new DERNull())),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-1 parameters");
        }
       
        //
        // OAEP - SHA224
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA224AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pub2048Key, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[3]))
        {
            fail("OAEP SHA-224 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, priv2048Key);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP SHA-224 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, new DERNull()),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, new DERNull())),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-224 parameters");
        }
       
        //
        // OAEP - SHA 256
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA256AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pub2048Key, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[4]))
        {
            fail("OAEP SHA-256 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, priv2048Key);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP SHA-256 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, new DERNull()),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, new DERNull())),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-256 parameters");
        }
       
        //
        // OAEP - SHA 384
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA384AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pub2048Key, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[5]))
        {
            fail("OAEP SHA-384 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, priv2048Key);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP SHA-384 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, new DERNull()),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, new DERNull())),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default sha-384 parameters");
        }
       
        //
        // OAEP - MD5
        //
        c = Cipher.getInstance("RSA/NONE/OAEPWithMD5AndMGF1Padding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pubKey, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[6]))
        {
            fail("OAEP MD5 test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c.init(Cipher.DECRYPT_MODE, privKey);

        out = c.doFinal(out);

        if (!areEqual(out, input))
        {
            fail("OAEP MD5 test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.md5, new DERNull()),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(PKCSObjectIdentifiers.md5, new DERNull())),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[0]))).getEncoded()))
        {
            fail("OAEP test failed default md5 parameters");
        }
       
        //
        // OAEP - SHA1 with default parameters
        //
        c = Cipher.getInstance("RSA/NONE/OAEPPadding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pubKey, OAEPParameterSpec.DEFAULT, rand);

        out = c.doFinal(input);

        if (!areEqual(out, output[2]))
        {
            fail("OAEP test failed on encrypt expected " + new String(Hex.encode(output[2])) + " got " + new String(Hex.encode(out)));
        }

        c = Cipher.getInstance("RSA/NONE/OAEPWithSHA1AndMGF1Padding", "BC");
       
        c.init(Cipher.DECRYPT_MODE, privKey);

        out = c.doFinal(out);
       
        if (!areEqual(out, input))
        {
            fail("OAEP test failed on decrypt expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(out)));
        }
       
        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(), new byte[] { 0x30, 0x00 }))
        {
            fail("OAEP test failed default parameters");
        }

        //
        // OAEP - SHA1 with specified string
        //
        c = Cipher.getInstance("RSA/NONE/OAEPPadding", "BC");

        c.init(Cipher.ENCRYPT_MODE, pubKey, new OAEPParameterSpec("SHA1", "MGF1", new MGF1ParameterSpec("SHA1"), new PSource.PSpecified(new byte[] { 1, 2, 3, 4, 5 })), rand);

        out = c.doFinal(input);

        oaepP = c.getParameters();
       
        if (!areEqual(oaepP.getEncoded(),
                new RSAESOAEPparams(
                        new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, new DERNull()),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, new DERNull())),
                        new AlgorithmIdentifier(PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(new byte[] { 1, 2, 3, 4, 5 }))).getEncoded()))
        {
            fail("OAEP test failed changed sha-1 parameters");
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                                                            PKCSObjectIdentifiers.id_mgf1,
                                                            new AlgorithmIdentifier(JCEDigestUtil.getOID(mgfSpec.getDigestAlgorithm()), new DERNull()));
            PSource.PSpecified      pSource = (PSource.PSpecified)currentSpec.getPSource();
            AlgorithmIdentifier     pSourceAlgorithm = new AlgorithmIdentifier(
                                                            PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(pSource.getValue()));
            RSAESOAEPparams         oaepP = new RSAESOAEPparams(hashAlgorithm, maskGenAlgorithm, pSourceAlgorithm);
   
            try
            {
                return oaepP.getEncoded(ASN1Encodable.DER);
            }
            catch (IOException e)
            {
                throw new RuntimeException("Error encoding OAEPParameters");
            }
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            byte[] params)
            throws IOException
        {
            try
            {
                RSAESOAEPparams oaepP = new RSAESOAEPparams((ASN1Sequence)ASN1Object.fromByteArray(params));

                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getObjectId().getId(),
                                       oaepP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid OAEP Parameter encoding.");
            }
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                                                            PKCSObjectIdentifiers.id_mgf1,
                                                            new AlgorithmIdentifier(JCEDigestUtil.getOID(mgfSpec.getDigestAlgorithm()), new DERNull()));
            PSource.PSpecified      pSource = (PSource.PSpecified)currentSpec.getPSource();
            AlgorithmIdentifier     pSourceAlgorithm = new AlgorithmIdentifier(
                                                            PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(pSource.getValue()));
            RSAESOAEPparams         oaepP = new RSAESOAEPparams(hashAlgorithm, maskGenAlgorithm, pSourceAlgorithm);
   
            try
            {
                dOut.writeObject(oaepP);
                dOut.close();
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        {
            ASN1InputStream        aIn = new ASN1InputStream(params);
   
            try
            {
                RSAESOAEPparams oaepP = new RSAESOAEPparams((ASN1Sequence)aIn.readObject());
   
                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getObjectId().getId(),
                                       oaepP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid OAEP Parameter encoding.");
            }
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Related Classes of org.bouncycastle.asn1.pkcs.RSAESOAEPparams

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  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.ASN1SetParser
  • org.bouncycastle.asn1.ASN1TaggedObject
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
  • org.bouncycastle.asn1.cms.AuthEnvelopedDataParser
  • org.bouncycastle.asn1.cms.CompressedData
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