Example usage for java.security MessageDigest update

Introduction

In this page you can find the example usage for java.security MessageDigest update.

Prototype

public void update(byte[] input, int offset, int len)

Source Link

Document

Updates the digest using the specified array of bytes, starting at the specified offset.

Usage

From source file:eu.e43.impeller.Utils.java

public static byte[] sha1(String text) {
    try {//  w ww  . j a  v  a 2 s.c  om
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        md.update(text.getBytes("utf-8"), 0, text.length());
        return md.digest();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:net.cloudkit.enterprises.infrastructure.utilities.DigestsHelper.java

private static byte[] digest(InputStream input, String algorithm) throws IOException {
    try {/*from  www. j a va 2  s  .c  om*/
        MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
        int bufferLength = 8 * 1024;
        byte[] buffer = new byte[bufferLength];
        int read = input.read(buffer, 0, bufferLength);

        while (read > -1) {
            messageDigest.update(buffer, 0, read);
            read = input.read(buffer, 0, bufferLength);
        }

        return messageDigest.digest();
    } catch (GeneralSecurityException e) {
        throw ExceptionHelper.unchecked(e);
    }
}

From source file:com.anybuy.util.DigestUtil.java

private static byte[] digest(InputStream input, String algorithm) throws IOException {
    try {//from   w w  w  . jav a2 s  .  co  m
        MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
        int bufferLength = 8 * 1024;
        byte[] buffer = new byte[bufferLength];
        int read = input.read(buffer, 0, bufferLength);

        while (read > -1) {
            messageDigest.update(buffer, 0, read);
            read = input.read(buffer, 0, bufferLength);
        }

        return messageDigest.digest();
    } catch (GeneralSecurityException e) {
        throw ExceptionUtil.unchecked(e);
    }
}