java.security.spec.MGF1ParameterSpec#getDigestAlgorithm()源码实例Demo

下面列出了java.security.spec.MGF1ParameterSpec#getDigestAlgorithm() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： TencentKona-8 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码2 项目： openjdk-jdk8u 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码3 项目： openjdk-jdk8u-backup 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码4 项目： openjdk-jdk9 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码5 项目： jdk8u-jdk 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码6 项目： openjdk-8-source 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码7 项目： jdk8u_jdk 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码8 项目： jdk8u-jdk 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码9 项目： jdk8u-dev-jdk 文件： TestOAEPParameterSpec.java

private static boolean compareMGF(OAEPParameterSpec s1,
    OAEPParameterSpec s2) {
    String alg1 = s1.getMGFAlgorithm();
    String alg2 = s2.getMGFAlgorithm();
    if (alg1.equals(alg2)) {
        MGF1ParameterSpec mp1 = (MGF1ParameterSpec)s1.getMGFParameters();
        MGF1ParameterSpec mp2 = (MGF1ParameterSpec)s2.getMGFParameters();
        alg1 = mp1.getDigestAlgorithm();
        alg2 = mp2.getDigestAlgorithm();
        if (alg1.equals(alg2)) {
            return true;
        } else {
            System.out.println("MGF's MD algos: " + alg1 + " vs " + alg2);
            return false;
        }
    } else {
        System.out.println("MGF algos: " + alg1 + " vs " + alg2);
        return false;
    }
}

源代码10 项目： ripple-lib-java 文件： CipherSpi.java

private void initFromSpec(
    OAEPParameterSpec pSpec)
    throws NoSuchPaddingException
{
    MGF1ParameterSpec mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
    
    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new OAEPEncoding(new RSABlindedEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue());
    paramSpec = pSpec;
}

源代码11 项目： RipplePower 文件： CipherSpi.java

private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
    
    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}

源代码12 项目： ripple-lib-java 文件： CipherSpi.java

private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
    
    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}

源代码13 项目： Jose4j 文件： RsaUsingShaAlgorithm.java

public RsaPssSha256()
{
    super(AlgorithmIdentifiers.RSA_PSS_USING_SHA256, "SHA256withRSAandMGF1");
    MGF1ParameterSpec mgf1pec = MGF1ParameterSpec.SHA256;
    PSSParameterSpec pssSpec = new PSSParameterSpec(mgf1pec.getDigestAlgorithm(), MGF1, mgf1pec, 32, TRAILER);
    setAlgorithmParameterSpec(pssSpec);
}

源代码14 项目： Jose4j 文件： RsaUsingShaAlgorithm.java

public RsaPssSha384()
{
    super(AlgorithmIdentifiers.RSA_PSS_USING_SHA384, "SHA384withRSAandMGF1");
    MGF1ParameterSpec mgf1pec = MGF1ParameterSpec.SHA384;
    PSSParameterSpec pssSpec = new PSSParameterSpec(mgf1pec.getDigestAlgorithm(), MGF1, mgf1pec, 48, TRAILER);
    setAlgorithmParameterSpec(pssSpec);
}

源代码15 项目： Jose4j 文件： RsaUsingShaAlgorithm.java

public RsaPssSha512()
{
    super(AlgorithmIdentifiers.RSA_PSS_USING_SHA512, "SHA512withRSAandMGF1");
    MGF1ParameterSpec mgf1pec = MGF1ParameterSpec.SHA512;
    PSSParameterSpec pssSpec = new PSSParameterSpec(mgf1pec.getDigestAlgorithm(), MGF1, mgf1pec, 64, TRAILER);
    setAlgorithmParameterSpec(pssSpec);
}

源代码16 项目： RipplePower 文件： PSSSignatureSpi.java

protected void engineSetParameter(
    AlgorithmParameterSpec params)
    throws InvalidParameterException
{
    if (params instanceof PSSParameterSpec)
    {
        PSSParameterSpec newParamSpec = (PSSParameterSpec)params;
        
        if (originalSpec != null)
        {
            if (!DigestFactory.isSameDigest(originalSpec.getDigestAlgorithm(), newParamSpec.getDigestAlgorithm()))
            {
                throw new InvalidParameterException("parameter must be using " + originalSpec.getDigestAlgorithm());
            }
        }
        if (!newParamSpec.getMGFAlgorithm().equalsIgnoreCase("MGF1") && !newParamSpec.getMGFAlgorithm().equals(PKCSObjectIdentifiers.id_mgf1.getId()))
        {
            throw new InvalidParameterException("unknown mask generation function specified");
        }
        
        if (!(newParamSpec.getMGFParameters() instanceof MGF1ParameterSpec))
        {
            throw new InvalidParameterException("unkown MGF parameters");
        }
        
        MGF1ParameterSpec mgfParams = (MGF1ParameterSpec)newParamSpec.getMGFParameters();
        
        if (!DigestFactory.isSameDigest(mgfParams.getDigestAlgorithm(), newParamSpec.getDigestAlgorithm()))
        {
            throw new InvalidParameterException("digest algorithm for MGF should be the same as for PSS parameters.");
        }
        
        Digest newDigest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
        
        if (newDigest == null)
        {
            throw new InvalidParameterException("no match on MGF digest algorithm: "+ mgfParams.getDigestAlgorithm());
        }

        this.engineParams = null;
        this.paramSpec = newParamSpec;
        this.mgfDigest = newDigest;
        this.saltLength = paramSpec.getSaltLength();
        this.trailer = getTrailer(paramSpec.getTrailerField());

        setupContentDigest();
    }
    else
    {
        throw new InvalidParameterException("Only PSSParameterSpec supported");
    }
}

源代码17 项目： ripple-lib-java 文件： PSSSignatureSpi.java

protected void engineSetParameter(
    AlgorithmParameterSpec params)
    throws InvalidParameterException
{
    if (params instanceof PSSParameterSpec)
    {
        PSSParameterSpec newParamSpec = (PSSParameterSpec)params;
        
        if (originalSpec != null)
        {
            if (!DigestFactory.isSameDigest(originalSpec.getDigestAlgorithm(), newParamSpec.getDigestAlgorithm()))
            {
                throw new InvalidParameterException("parameter must be using " + originalSpec.getDigestAlgorithm());
            }
        }
        if (!newParamSpec.getMGFAlgorithm().equalsIgnoreCase("MGF1") && !newParamSpec.getMGFAlgorithm().equals(PKCSObjectIdentifiers.id_mgf1.getId()))
        {
            throw new InvalidParameterException("unknown mask generation function specified");
        }
        
        if (!(newParamSpec.getMGFParameters() instanceof MGF1ParameterSpec))
        {
            throw new InvalidParameterException("unkown MGF parameters");
        }
        
        MGF1ParameterSpec mgfParams = (MGF1ParameterSpec)newParamSpec.getMGFParameters();
        
        if (!DigestFactory.isSameDigest(mgfParams.getDigestAlgorithm(), newParamSpec.getDigestAlgorithm()))
        {
            throw new InvalidParameterException("digest algorithm for MGF should be the same as for PSS parameters.");
        }
        
        Digest newDigest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
        
        if (newDigest == null)
        {
            throw new InvalidParameterException("no match on MGF digest algorithm: "+ mgfParams.getDigestAlgorithm());
        }

        this.engineParams = null;
        this.paramSpec = newParamSpec;
        this.mgfDigest = newDigest;
        this.saltLength = paramSpec.getSaltLength();
        this.trailer = getTrailer(paramSpec.getTrailerField());

        setupContentDigest();
    }
    else
    {
        throw new InvalidParameterException("Only PSSParameterSpec supported");
    }
}

源代码18 项目： Bytecoder 文件： PSSParameters.java

/**
 * Returns the encoding of a {@link PSSParameterSpec} object. This method
 * is used in this class and {@link AlgorithmId}.
 *
 * @param spec a {@code PSSParameterSpec} object
 * @return its DER encoding
 * @throws IOException if the name of a MessageDigest or MaskGenAlgorithm
 *          is unsupported
 */
public static byte[] getEncoded(PSSParameterSpec spec) throws IOException {

    AlgorithmParameterSpec mgfSpec = spec.getMGFParameters();
    if (!(mgfSpec instanceof MGF1ParameterSpec)) {
        throw new IOException("Cannot encode " + mgfSpec);
    }

    MGF1ParameterSpec mgf1Spec = (MGF1ParameterSpec)mgfSpec;

    DerOutputStream tmp = new DerOutputStream();
    DerOutputStream tmp2, tmp3;

    // MD
    AlgorithmId mdAlgId;
    try {
        mdAlgId = AlgorithmId.get(spec.getDigestAlgorithm());
    } catch (NoSuchAlgorithmException nsae) {
        throw new IOException("AlgorithmId " + spec.getDigestAlgorithm() +
                " impl not found");
    }
    if (!mdAlgId.getOID().equals(AlgorithmId.SHA_oid)) {
        tmp2 = new DerOutputStream();
        mdAlgId.derEncode(tmp2);
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0),
                tmp2);
    }

    // MGF
    AlgorithmId mgfDigestId;
    try {
        mgfDigestId = AlgorithmId.get(mgf1Spec.getDigestAlgorithm());
    } catch (NoSuchAlgorithmException nase) {
        throw new IOException("AlgorithmId " +
                mgf1Spec.getDigestAlgorithm() + " impl not found");
    }

    if (!mgfDigestId.getOID().equals(AlgorithmId.SHA_oid)) {
        tmp2 = new DerOutputStream();
        tmp2.putOID(AlgorithmId.mgf1_oid);
        mgfDigestId.encode(tmp2);
        tmp3 = new DerOutputStream();
        tmp3.write(DerValue.tag_Sequence, tmp2);
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 1),
                tmp3);
    }

    // SaltLength
    if (spec.getSaltLength() != 20) {
        tmp2 = new DerOutputStream();
        tmp2.putInteger(spec.getSaltLength());
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 2),
                tmp2);
    }

    // TrailerField
    if (spec.getTrailerField() != PSSParameterSpec.TRAILER_FIELD_BC) {
        tmp2 = new DerOutputStream();
        tmp2.putInteger(spec.getTrailerField());
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 3),
                tmp2);
    }

    // Put all together under a SEQUENCE tag
    DerOutputStream out = new DerOutputStream();
    out.write(DerValue.tag_Sequence, tmp);
    return out.toByteArray();
}

源代码19 项目： xipki 文件： P11RSAPSSSignatureSpi.java

@Override
protected void engineSetParameter(AlgorithmParameterSpec params)
    throws InvalidParameterException {
  if (params instanceof PSSParameterSpec) {
    PSSParameterSpec newParamSpec = (PSSParameterSpec) params;

    if (originalSpec != null) {
      if (!DigestFactory.isSameDigest(originalSpec.getDigestAlgorithm(),
          newParamSpec.getDigestAlgorithm())) {
        throw new InvalidParameterException("parameter must be using "
            + originalSpec.getDigestAlgorithm());
      }
    }
    if (!newParamSpec.getMGFAlgorithm().equalsIgnoreCase("MGF1")
        && !newParamSpec.getMGFAlgorithm().equals(PKCSObjectIdentifiers.id_mgf1.getId())) {
      throw new InvalidParameterException("unknown mask generation function specified");
    }

    if (!(newParamSpec.getMGFParameters() instanceof MGF1ParameterSpec)) {
      throw new InvalidParameterException("unkown MGF parameters");
    }

    MGF1ParameterSpec mgfParams = (MGF1ParameterSpec) newParamSpec.getMGFParameters();

    if (!DigestFactory.isSameDigest(mgfParams.getDigestAlgorithm(),
        newParamSpec.getDigestAlgorithm())) {
      throw new InvalidParameterException(
          "digest algorithm for MGF should be the same as for PSS parameters.");
    }

    Digest newDigest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());

    if (newDigest == null) {
      throw new InvalidParameterException(
          "no match on MGF digest algorithm: " + mgfParams.getDigestAlgorithm());
    }

    this.engineParams = null;
    this.paramSpec = newParamSpec;
    this.mgfDigest = newDigest;
    this.saltLength = paramSpec.getSaltLength();
    this.trailer = getTrailer(paramSpec.getTrailerField());

    setupContentDigest();
  } else {
    throw new InvalidParameterException("only PSSParameterSpec supported");
  }
}

源代码20 项目： jdk8u_jdk 文件： PSSParameters.java

/**
 * Returns the encoding of a {@link PSSParameterSpec} object. This method
 * is used in this class and {@link AlgorithmId}.
 *
 * @param spec a {@code PSSParameterSpec} object
 * @return its DER encoding
 * @throws IOException if the name of a MessageDigest or MaskGenAlgorithm
 *          is unsupported
 */
public static byte[] getEncoded(PSSParameterSpec spec) throws IOException {

    AlgorithmParameterSpec mgfSpec = spec.getMGFParameters();
    if (!(mgfSpec instanceof MGF1ParameterSpec)) {
        throw new IOException("Cannot encode " + mgfSpec);
    }

    MGF1ParameterSpec mgf1Spec = (MGF1ParameterSpec)mgfSpec;

    DerOutputStream tmp = new DerOutputStream();
    DerOutputStream tmp2, tmp3;

    // MD
    AlgorithmId mdAlgId;
    try {
        mdAlgId = AlgorithmId.get(spec.getDigestAlgorithm());
    } catch (NoSuchAlgorithmException nsae) {
        throw new IOException("AlgorithmId " + spec.getDigestAlgorithm() +
                " impl not found");
    }
    if (!mdAlgId.getOID().equals(AlgorithmId.SHA_oid)) {
        tmp2 = new DerOutputStream();
        mdAlgId.derEncode(tmp2);
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0),
                tmp2);
    }

    // MGF
    AlgorithmId mgfDigestId;
    try {
        mgfDigestId = AlgorithmId.get(mgf1Spec.getDigestAlgorithm());
    } catch (NoSuchAlgorithmException nase) {
        throw new IOException("AlgorithmId " +
                mgf1Spec.getDigestAlgorithm() + " impl not found");
    }

    if (!mgfDigestId.getOID().equals(AlgorithmId.SHA_oid)) {
        tmp2 = new DerOutputStream();
        tmp2.putOID(AlgorithmId.mgf1_oid);
        mgfDigestId.encode(tmp2);
        tmp3 = new DerOutputStream();
        tmp3.write(DerValue.tag_Sequence, tmp2);
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 1),
                tmp3);
    }

    // SaltLength
    if (spec.getSaltLength() != 20) {
        tmp2 = new DerOutputStream();
        tmp2.putInteger(spec.getSaltLength());
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 2),
                tmp2);
    }

    // TrailerField
    if (spec.getTrailerField() != PSSParameterSpec.TRAILER_FIELD_BC) {
        tmp2 = new DerOutputStream();
        tmp2.putInteger(spec.getTrailerField());
        tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 3),
                tmp2);
    }

    // Put all together under a SEQUENCE tag
    DerOutputStream out = new DerOutputStream();
    out.write(DerValue.tag_Sequence, tmp);
    return out.toByteArray();
}

方法所在类

java.security.spec.MGF1ParameterSpec