Example usage for java.security Signature initSign

Introduction

In this page you can find the example usage for java.security Signature initSign.

Prototype

public final void initSign(PrivateKey privateKey) throws InvalidKeyException

Source Link

Document

Initialize this object for signing.

Usage

From source file:cn.usually.common.pay.union.sdk.SecureUtil.java

/**
 * ??/*from w w w  .j  a  v a2 s . co m*/
 * 
 * @param privateKey
 *            ?
 * @param data
 *            ???
 * @param signMethod
 *            ??
 * @return 
 * @throws Exception
 */
public static byte[] signBySoft(PrivateKey privateKey, byte[] data) throws Exception {
    byte[] result = null;
    Signature st = Signature.getInstance(BC_PROV_ALGORITHM_SHA1RSA);
    st.initSign(privateKey);
    st.update(data);
    result = st.sign();
    return result;
}

From source file:acp.sdk.SecureUtil.java

/**
 * ??//from ww w.j  av a2  s .  c  o  m
 * 
 * @param privateKey
 *            ?
 * @param data
 *            ???
 * @param signMethod
 *            ??
 * @return 
 * @throws Exception
 */
public static byte[] signBySoft(PrivateKey privateKey, byte[] data) throws Exception {
    byte[] result = null;
    Signature st = Signature.getInstance(BC_PROV_ALGORITHM_SHA1RSA, "BC");
    st.initSign(privateKey);
    st.update(data);
    result = st.sign();
    return result;
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureRS256(byte[] signingInput, RSAPrivateKey rsaPrivateKey)
        throws SignatureException, InvalidKeyException, NoSuchProviderException, InvalidKeySpecException,
        NoSuchAlgorithmException {
    RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(),
            rsaPrivateKey.getPrivateExponent());

    KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);

    Signature signature = Signature.getInstance("SHA256withRSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);//  www.  ja  va2 s .  c  o m

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureRS384(byte[] signingInput, RSAPrivateKey rsaPrivateKey)
        throws SignatureException, InvalidKeyException, NoSuchProviderException, InvalidKeySpecException,
        NoSuchAlgorithmException {
    RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(),
            rsaPrivateKey.getPrivateExponent());

    KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);

    Signature signature = Signature.getInstance("SHA384withRSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);/*  w w  w . j a v  a  2s.c o  m*/

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureRS512(byte[] signingInput, RSAPrivateKey rsaPrivateKey)
        throws SignatureException, InvalidKeyException, NoSuchProviderException, InvalidKeySpecException,
        NoSuchAlgorithmException {
    RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(),
            rsaPrivateKey.getPrivateExponent());

    KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);

    Signature signature = Signature.getInstance("SHA512withRSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);/*w  ww.j  a  v a  2s  .  c  o  m*/

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureES256(byte[] signingInput, ECDSAPrivateKey ecdsaPrivateKey)
        throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException,
        SignatureException {/* w w  w.  jav a  2  s . co  m*/
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("P-256");
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(ecdsaPrivateKey.getD(), ecSpec);

    KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);

    Signature signature = Signature.getInstance("SHA256WITHECDSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureES384(byte[] signingInput, ECDSAPrivateKey ecdsaPrivateKey)
        throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException,
        SignatureException {//from   ww w . j a v a 2 s  .  co  m
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("P-384");
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(ecdsaPrivateKey.getD(), ecSpec);

    KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);

    Signature signature = Signature.getInstance("SHA384WITHECDSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureES512(byte[] signingInput, ECDSAPrivateKey ecdsaPrivateKey)
        throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException,
        SignatureException {/*w ww . java  2  s.  c  o m*/
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("P-521");
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(ecdsaPrivateKey.getD(), ecSpec);

    KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);

    Signature signature = Signature.getInstance("SHA512WITHECDSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);

    return signature.sign();
}

From source file:org.dasein.cloud.google.GoogleMethod.java

static @Nonnull String getToken(@Nonnull String iss, @Nonnull String p12File) throws CloudException {
    if (logger.isDebugEnabled()) {
        logger.debug("iss: " + iss);
        logger.debug("p12File: " + p12File);
    }//w  w w . j a v a  2 s.c om

    String header = "{\"alg\":\"RS256\",\"typ\":\"JWT\"}";
    StringBuffer token = new StringBuffer();

    try {
        token.append(Base64.encodeBase64URLSafeString(header.getBytes("UTF-8")));

        token.append(".");

        String scope = "https://www.googleapis.com/auth/compute";
        String aud = "https://accounts.google.com/o/oauth2/token";
        String expiry = Long.toString((System.currentTimeMillis() / 1000) + 3600);
        String startTime = Long.toString((System.currentTimeMillis() / 1000));

        String payload = "{\"iss\": \"" + iss + "\", \"scope\": \"" + scope + "\", \"aud\": \"" + aud
                + "\", \"exp\": \"" + expiry + "\", \"iat\": \"" + startTime + "\"}";

        token.append(Base64.encodeBase64URLSafeString(payload.getBytes("UTF-8")));

        // TODO: the password is hardcoded. This has to be read from the ctx or from the environment variable
        char[] password = "notasecret".toCharArray();
        FileInputStream iStream = new FileInputStream(new File(p12File));
        KeyStore store = KeyStore.getInstance("PKCS12");
        try {
            store.load(iStream, password);
        } finally {
            try {
                iStream.close();
            } catch (IOException e) {
                e.printStackTrace();
                logger.error("Could not read the keystore file");
                throw new CloudException(e);
            }
        }
        String alias = "";

        Enumeration<String> aliases = store.aliases();
        while (aliases.hasMoreElements()) {
            String keyStoreAlias = aliases.nextElement().toString();
            if (store.isKeyEntry(keyStoreAlias)) {
                alias = keyStoreAlias;
                break;
            }
        }

        PrivateKey privateKey = (PrivateKey) store.getKey(alias, password);

        Signature shaSignature = Signature.getInstance("SHA256withRSA");
        shaSignature.initSign(privateKey);
        shaSignature.update(token.toString().getBytes("UTF-8"));
        String signedToken = Base64.encodeBase64URLSafeString(shaSignature.sign());

        //Separate with a period
        token.append(".");

        //Add the encoded signature
        token.append(signedToken);
        return token.toString();

    } catch (Exception e) {
        e.printStackTrace();
        logger.error("Could not sign the payload with the private key");
        throw new CloudException(e);
    }
}

From source file:ru.codeinside.gws.crypto.cryptopro.Pkcs7Test.java

@Test
public void testEncoding() throws Exception {
    CryptoProvider.loadCertificate();// ww w . j a va  2  s.com
    byte[] content = IOUtils
            .toByteArray(R.getRequiredResourceStream("rr/req_cb8cff92-c788-46cf-a97f-f5c6f0170be5.xml"));
    final Signature signature = Signature.getInstance("GOST3411withGOST3410EL");
    signature.initSign(CryptoProvider.privateKey);
    signature.update(content);
    byte[] sign = signature.sign();
    byte[] pkcs7 = SunPkcs7
            .toPkcs7(new ru.codeinside.gws.api.Signature(CryptoProvider.cert, null, sign, false));
    ru.codeinside.gws.api.Signature sig2 = SunPkcs7.fromPkcs7(pkcs7);
    assertEquals(CryptoProvider.cert, sig2.certificate);
    assertArrayEquals(sign, sig2.sign);

    assertTrue(R.provider.validate(sig2, null, content));

}