OpenConcerto

Dépôt officiel du code source de l'ERP OpenConcerto
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svn://code.openconcerto.org/openconcerto

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Rev 174 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 174 Rev 177
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import java.io.File;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.IOException;
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import java.security.MessageDigest;
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import java.security.MessageDigest;
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import java.util.Arrays;
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import java.util.Objects;
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public class HashWriter {
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public class HashWriter {
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    public static final int BLOCK_SIZE = 1024;
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    public static final int BLOCK_SIZE = 1024;
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    private File in;
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    private File in;
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        }
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        }
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    }
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    }
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    public static byte[] getHash(File f) throws IOException {
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    public static byte[] getHash(File f) throws IOException {
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        final MessageDigest hashSum = MessageDigestUtils.getSHA256();
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        final MessageDigest hashSum = MessageDigestUtils.getSHA256();
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        FileInputStream fIn = null;
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        try {
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            fIn = new FileInputStream(f);
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            BufferedInputStream fb = null;
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            try {
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                fb = new BufferedInputStream(fIn);
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                final byte[] buffer = new byte[BLOCK_SIZE];
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                int readSize = fb.read(buffer);
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        return MessageDigestUtils.getHash(hashSum, f);
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                while (readSize > 0) {
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                    // Update
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                    hashSum.update(buffer, 0, readSize);
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                    // read
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                    readSize = fb.read(buffer);
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                }
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            } catch (Exception e) {
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                throw new IOException(e);
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            } finally {
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                if (fb != null) {
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                    fb.close();
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                }
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            }
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        } catch (Exception e) {
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            throw new IOException(e);
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        } finally {
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            if (fIn != null) {
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                fIn.close();
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            }
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        }
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        byte[] fileHash = new byte[hashSum.getDigestLength()];
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        fileHash = hashSum.digest();
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        return fileHash;
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    }
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    }
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    public static boolean compareHash(byte[] h1, byte[] h2) {
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    public static boolean compareHash(byte[] h1, byte[] h2) {
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        final int length = h1.length;
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        if (length != h2.length) {
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            return false;
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        Objects.requireNonNull(h1);
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        }
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        for (int i = 0; i < length; i++) {
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            if (h1[i] != h2[i]) {
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                return false;
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        Objects.requireNonNull(h2);
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            }
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        }
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        return true;
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        return Arrays.equals(h1, h2);
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    }
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    }
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    private static final char[] hexArray = "0123456789ABCDEF".toCharArray();
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    private static final char[] hexArray = "0123456789ABCDEF".toCharArray();
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    public static String bytesToHex(byte[] bytes) {
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    public static String bytesToHex(byte[] bytes) {