當前位置: 首頁>>代碼示例>>Java>>正文

Java Digest.update方法代碼示例

本文整理匯總了Java中org.bouncycastle.crypto.Digest.update方法的典型用法代碼示例。如果您正苦於以下問題：Java Digest.update方法的具體用法？Java Digest.update怎麽用？Java Digest.update使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.bouncycastle.crypto.Digest的用法示例。


在下文中一共展示了Digest.update方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: calculateKeyId

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
static byte[] calculateKeyId(SubjectPublicKeyInfo info)
{
    Digest dig = new SHA1Digest();    // TODO: include definition of SHA-1 here
    byte[] hash = new byte[dig.getDigestSize()];
    byte[] spkiEnc = new byte[0];
    try
    {
        spkiEnc = info.getEncoded(ASN1Encoding.DER);
    }
    catch (IOException e)
    {
        return new byte[0];
    }

    // try the outlook 2010 calculation
    dig.update(spkiEnc, 0, spkiEnc.length);

    dig.doFinal(hash, 0);

    return hash;
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:22，代碼來源:MSOutlookKeyIdCalculator.java

示例2: commit

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
public TlsHandshakeHash commit()
{

    int prfAlgorithm = context.getSecurityParameters().getPrfAlgorithm();

    Digest prfHash = TlsUtils.createPRFHash(prfAlgorithm);

    byte[] data = buf.toByteArray();
    prfHash.update(data, 0, data.length);

    if (prfHash instanceof TlsHandshakeHash)
    {
        TlsHandshakeHash tlsPRFHash = (TlsHandshakeHash)prfHash;
        tlsPRFHash.init(context);
        return tlsPRFHash.commit();
    }

    this.prfAlgorithm = prfAlgorithm;
    this.hash = prfHash;
    this.buf = null;

    return this;
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:24，代碼來源:DeferredHash.java

示例3: AuthorityKeyIdentifier

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
/**
 * create an AuthorityKeyIdentifier with the GeneralNames tag and
 * the serial number provided as well.
 */
public AuthorityKeyIdentifier(
    SubjectPublicKeyInfo    spki,
    GeneralNames            name,
    BigInteger              serialNumber)
{
    Digest  digest = new SHA1Digest();
    byte[]  resBuf = new byte[digest.getDigestSize()];

    byte[] bytes = spki.getPublicKeyData().getBytes();
    digest.update(bytes, 0, bytes.length);
    digest.doFinal(resBuf, 0);

    this.keyidentifier = new DEROctetString(resBuf);
    this.certissuer = GeneralNames.getInstance(name.toASN1Primitive());
    this.certserno = new ASN1Integer(serialNumber);
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:21，代碼來源:AuthorityKeyIdentifier.java

示例4: putInt

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
private void putInt(Digest hashAlg, int counter)
{
    hashAlg.update((byte)(counter >> 24));
    hashAlg.update((byte)(counter >> 16));
    hashAlg.update((byte)(counter >> 8));
    hashAlg.update((byte)counter);
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:8，代碼來源:IndexGenerator.java

示例5: getDigest

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
private static byte[] getDigest(SubjectPublicKeyInfo spki)
{
    Digest digest = new SHA1Digest();
    byte[]  resBuf = new byte[digest.getDigestSize()];

    byte[] bytes = spki.getPublicKeyData().getBytes();
    digest.update(bytes, 0, bytes.length);
    digest.doFinal(resBuf, 0);
    return resBuf;
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:11，代碼來源:SubjectKeyIdentifier.java

示例6: generateServerKeyExchange

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
public byte[] generateServerKeyExchange()
    throws IOException
{

    if (this.dhParameters == null)
    {
        throw new TlsFatalAlert(AlertDescription.internal_error);
    }

    ByteArrayOutputStream buf = new ByteArrayOutputStream();

    DHKeyPairGenerator kpg = new DHKeyPairGenerator();
    kpg.init(new DHKeyGenerationParameters(context.getSecureRandom(), this.dhParameters));
    AsymmetricCipherKeyPair kp = kpg.generateKeyPair();

    BigInteger Ys = ((DHPublicKeyParameters)kp.getPublic()).getY();

    TlsDHUtils.writeDHParameter(dhParameters.getP(), buf);
    TlsDHUtils.writeDHParameter(dhParameters.getG(), buf);
    TlsDHUtils.writeDHParameter(Ys, buf);

    byte[] digestInput = buf.toByteArray();

    Digest d = new CombinedHash();
    SecurityParameters securityParameters = context.getSecurityParameters();
    d.update(securityParameters.clientRandom, 0, securityParameters.clientRandom.length);
    d.update(securityParameters.serverRandom, 0, securityParameters.serverRandom.length);
    d.update(digestInput, 0, digestInput.length);

    byte[] hash = new byte[d.getDigestSize()];
    d.doFinal(hash, 0);

    byte[] sigBytes = serverCredentials.generateCertificateSignature(hash);
    /*
     * TODO RFC 5246 4.7. digitally-signed element needs SignatureAndHashAlgorithm prepended from TLS 1.2
     */
    TlsUtils.writeOpaque16(sigBytes, buf);

    return buf.toByteArray();
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:41，代碼來源:TlsDHEKeyExchange.java

示例7: calculateKeyBlock_SSL

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
static byte[] calculateKeyBlock_SSL(byte[] master_secret, byte[] random, int size)
{
    Digest md5 = new MD5Digest();
    Digest sha1 = new SHA1Digest();
    int md5Size = md5.getDigestSize();
    byte[] shatmp = new byte[sha1.getDigestSize()];
    byte[] tmp = new byte[size + md5Size];

    int i = 0, pos = 0;
    while (pos < size)
    {
        byte[] ssl3Const = SSL3_CONST[i];

        sha1.update(ssl3Const, 0, ssl3Const.length);
        sha1.update(master_secret, 0, master_secret.length);
        sha1.update(random, 0, random.length);
        sha1.doFinal(shatmp, 0);

        md5.update(master_secret, 0, master_secret.length);
        md5.update(shatmp, 0, shatmp.length);
        md5.doFinal(tmp, pos);

        pos += md5Size;
        ++i;
    }

    byte rval[] = new byte[size];
    System.arraycopy(tmp, 0, rval, 0, size);
    return rval;
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:31，代碼來源:TlsUtils.java

示例8: calculateMasterSecret_SSL

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
static byte[] calculateMasterSecret_SSL(byte[] pre_master_secret, byte[] random)
{
    Digest md5 = new MD5Digest();
    Digest sha1 = new SHA1Digest();
    int md5Size = md5.getDigestSize();
    byte[] shatmp = new byte[sha1.getDigestSize()];

    byte[] rval = new byte[md5Size * 3];
    int pos = 0;

    for (int i = 0; i < 3; ++i)
    {
        byte[] ssl3Const = SSL3_CONST[i];

        sha1.update(ssl3Const, 0, ssl3Const.length);
        sha1.update(pre_master_secret, 0, pre_master_secret.length);
        sha1.update(random, 0, random.length);
        sha1.doFinal(shatmp, 0);

        md5.update(pre_master_secret, 0, pre_master_secret.length);
        md5.update(shatmp, 0, shatmp.length);
        md5.doFinal(rval, pos);

        pos += md5Size;
    }

    return rval;
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:29，代碼來源:TlsUtils.java

示例9: updateDigestIncludingSize

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
private static void updateDigestIncludingSize(Digest digest, BigInteger bigInteger)
{
    byte[] byteArray = BigIntegers.asUnsignedByteArray(bigInteger);
    digest.update(intToByteArray(byteArray.length), 0, 4);
    digest.update(byteArray, 0, byteArray.length);
    Arrays.fill(byteArray, (byte)0);
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:8，代碼來源:JPAKEUtil.java

示例10: calculateX

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
public static BigInteger calculateX(Digest digest, BigInteger N, byte[] salt, byte[] identity, byte[] password)
{
    byte[] output = new byte[digest.getDigestSize()];

    digest.update(identity, 0, identity.length);
    digest.update((byte)':');
    digest.update(password, 0, password.length);
    digest.doFinal(output, 0);

    digest.update(salt, 0, salt.length);
    digest.update(output, 0, output.length);
    digest.doFinal(output, 0);

    return new BigInteger(1, output);
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:16，代碼來源:SRP6Util.java

示例11: hash

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
/**
 * Hash the data and returns the first 8 bytes of the hash value.
 * @param data data over which the hash value is calculated.
 * @return long represented of the first 8 bytes
 */
public static long hash(byte[] data) {
    ParamUtil.requireNonNull("data", data);

    ConcurrentBagEntry<Digest> md0 = null;
    for (int i = 0; i < 3; i++) {
        try {
            md0 = MDS.borrow(10, TimeUnit.SECONDS);
            break;
        } catch (InterruptedException ex) { // CHECKSTYLE:SKIP
        }
    }

    if (md0 == null) {
        throw new RuntimeOperatorException("could not get idle MessageDigest");
    }

    try {
        Digest md = md0.value();
        md.reset();
        md.update(data, 0, data.length);
        byte[] bytes = new byte[md.getDigestSize()];
        md.doFinal(bytes, 0);

        return bytesToLong(bytes);
    } finally {
        MDS.requite(md0);
    }
}
開發者ID:xipki，項目名稱:xitk，代碼行數:34，代碼來源:FpIdCalculator.java

示例12: getDigest

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
public byte[] getDigest()
{
    byte[] bytes = bOut.toByteArray();

    bOut.reset();

    Digest sha1 = new SHA1Digest();

    sha1.update(bytes, 0, bytes.length);

    byte[] digest = new byte[sha1.getDigestSize()];

    sha1.doFinal(digest, 0);

    return digest;
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:17，代碼來源:BcX509ExtensionUtils.java

示例13: hash

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
static byte[] hash(byte[] message, int ofs, int len, Digest alg) {
    byte[] res = new byte[alg.getDigestSize()];
    alg.update(message, ofs, len);
    alg.doFinal(res, 0);
    return res;
}
開發者ID:wavesplatform，項目名稱:WavesJ，代碼行數:7，代碼來源:Hash.java

示例14: addFieldElement

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
private static void addFieldElement(Digest digest, ECFieldElement v)
{
    byte[] p = v.getEncoded();
    digest.update(p, 0, p.length);
}
開發者ID:xipki，項目名稱:xitk，代碼行數:6，代碼來源:GMUtil.java

示例15: updateDigest

import org.bouncycastle.crypto.Digest; //導入方法依賴的package包/類
private static void updateDigest(Digest digest, String string)
{
    byte[] byteArray = Strings.toUTF8ByteArray(string);
    digest.update(byteArray, 0, byteArray.length);
    Arrays.fill(byteArray, (byte)0);
}
開發者ID:Appdome，項目名稱:ipack，代碼行數:7，代碼來源:JPAKEUtil.java


注：本文中的org.bouncycastle.crypto.Digest.update方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。