Example usage for org.apache.commons.codec.digest MessageDigestAlgorithms SHA_256

Introduction

In this page you can find the example usage for org.apache.commons.codec.digest MessageDigestAlgorithms SHA_256.

Prototype

String SHA_256

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Usage

From source file:it.infn.mw.iam.util.ssh.RSAPublicKeyUtils.java

private static String buildSHA256Fingerprint(String key) throws InvalidSshKeyException {

    String fingerprint = null;//from   w ww. java 2 s . com

    try {

        byte[] decodedKey = Base64.getDecoder().decode(key);
        byte[] digest = MessageDigest.getInstance(MessageDigestAlgorithms.SHA_256).digest(decodedKey);
        fingerprint = Base64.getEncoder().encodeToString(digest);

    } catch (Exception e) {

        throw new InvalidSshKeyException("Error during fingerprint generation: RSA key is not base64 encoded",
                e);
    }

    return fingerprint;
}

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From source file:com.redhat.victims.VictimsResultCache.java

/**
 * The hashing function used by the Cache.
 * //from   www. j  av  a2  s .  co m
 * @param key
 * @return
 * @throws VictimsException
 */
protected String hash(String key) throws VictimsException {
    try {
        MessageDigest mda = MessageDigest.getInstance(MessageDigestAlgorithms.SHA_256);
        return Hex.encodeHexString(mda.digest(key.getBytes()));
    } catch (NoSuchAlgorithmException e) {
        throw new VictimsException(String.format("Could not hash key: %s", key), e);
    }
}

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From source file:com.aoppp.gatewaysdk.internal.hw.DigestUtils2.java

/**
 * Returns an SHA-256 digest.//from www . j  av  a  2s  . c  o  m
 * <p>
 * Throws a <code>RuntimeException</code> on JRE versions prior to 1.4.0.
 * </p>
 *
 * @return An SHA-256 digest instance.
 * @throws IllegalArgumentException
 *             when a {@link NoSuchAlgorithmException} is caught, which should never happen because SHA-256 is a
 *             built-in algorithm
 * @see MessageDigestAlgorithms#SHA_256
 */
public static MessageDigest getSha256Digest() {
    return getDigest(MessageDigestAlgorithms.SHA_256);
}

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