Example usage for org.bouncycastle.crypto.digests SHA1Digest SHA1Digest

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.digests SHA1Digest SHA1Digest.

Prototype

public SHA1Digest()

Source Link

Document

Standard constructor

Usage

From source file:com.github.horrorho.inflatabledonkey.pcs.xfile.BlockDecrypters.java

License:Open Source License

public static BlockDecrypter create(byte[] key) {
    BufferedBlockCipher cipher = new BufferedBlockCipher(new CBCBlockCipher(new AESFastEngine()));
    SHA1Digest digest = new SHA1Digest();
    return create(cipher, digest, key);
}

From source file:com.github.horrorho.liquiddonkey.cloud.file.FileDecrypter.java

License:Open Source License

/**
 * Returns a new instance.// w  ww .  j  a va2s. co m
 *
 * @return a new instance, not null
 */
public static FileDecrypter create() {
    return FileDecrypter.from(new BufferedBlockCipher(new CBCBlockCipher(new AESEngine())), new SHA1Digest());
}

From source file:com.github.horrorho.liquiddonkey.cloud.file.SnapshotDirectory.java

License:Open Source License

static SnapshotDirectory from(Path base, String udidStr, String snapshotIdStr, boolean isFlat,
        boolean isCombined, String combinedDirectory) {

    SHA1Digest sha1 = new SHA1Digest();

    Path folder = isCombined ? base.resolve(udidStr).resolve(combinedDirectory)
            : base.resolve(udidStr).resolve(snapshotIdStr);

    return isFlat ? new FlatSnapshotDirectory(folder, sha1) : new NonFlatSnapshotDirectory(folder, sha1);
}

From source file:com.github.jinahya.rfc5849.OAuthSignatureHmacSha1Bc.java

License:Apache License

@Override
byte[] get(final byte[] keyBytes, final byte[] baseBytes) throws Exception {
    final Mac mac = new HMac(new SHA1Digest());
    mac.init(new KeyParameter(keyBytes));
    mac.update(baseBytes, 0, baseBytes.length);
    final byte[] output = new byte[mac.getMacSize()];
    mac.doFinal(output, 0);/*from   ww w. j  a  va 2  s . c o  m*/
    return output;
}

From source file:com.github.jinahya.rfc5849.OAuthSignatureRsaSha1Bc.java

License:Apache License

@Override
byte[] get(final CipherParameters initParam, final byte[] baseBytes) throws Exception {
    final Signer signer = new RSADigestSigner(new SHA1Digest());
    signer.init(true, initParam);/*  www. j ava  2s. co m*/
    signer.update(baseBytes, 0, baseBytes.length);
    return signer.generateSignature();
}

From source file:com.google.authenticator.blackberry.AuthenticatorScreen.java

License:Apache License

/**
 * Computes the one-time PIN given the secret key.
 * /* w  ww .j a  v a  2  s.c om*/
 * @param secret
 *          the secret key
 * @return the PIN
 * @throws GeneralSecurityException
 * @throws DecodingException
 *           If the key string is improperly encoded.
 */
public static String computePin(String secret, Long counter) {
    try {
        final byte[] keyBytes = Base32String.decode(secret);
        Mac mac = new HMac(new SHA1Digest());
        mac.init(new KeyParameter(keyBytes));
        PasscodeGenerator pcg = new PasscodeGenerator(mac);
        if (counter == null) { // time-based totp
            return pcg.generateTimeoutCode();
        } else { // counter-based hotp
            return pcg.generateResponseCode(counter.longValue());
        }
    } catch (RuntimeException e) {
        return "General security exception";
    } catch (DecodingException e) {
        return "Decoding exception";
    }
}

From source file:com.google.authenticator.blackberry.CheckCodeScreen.java

License:Apache License

static String getCheckCode(String secret) throws Base32String.DecodingException {
    final byte[] keyBytes = Base32String.decode(secret);
    Mac mac = new HMac(new SHA1Digest());
    mac.init(new KeyParameter(keyBytes));
    PasscodeGenerator pcg = new PasscodeGenerator(mac);
    return pcg.generateResponseCode(0L);
}

From source file:com.hanhuy.keepassj.HmacOtp.java

License:Open Source License

public static String Generate(byte[] pbSecret, long uFactor, int uCodeDigits, boolean bAddChecksum,
        int iTruncationOffset) {
    byte[] pbText = MemUtil.UInt64ToBytes(uFactor);
    StrUtil.ArraysReverse(pbText); // Big-Endian

    HMac hsha1 = new HMac(new SHA1Digest());
    KeyParameter key = new KeyParameter(pbSecret);
    hsha1.init(key);/*from  w w  w.  j  a va 2s  .  com*/
    byte[] pbHash = new byte[hsha1.getMacSize()];
    hsha1.update(pbText, 0, pbText.length);
    hsha1.doFinal(pbHash, 0);

    int uOffset = (int) (pbHash[pbHash.length - 1] & 0xF);
    if ((iTruncationOffset >= 0) && (iTruncationOffset < (pbHash.length - 4)))
        uOffset = (int) iTruncationOffset;

    int uBinary = (int) (((pbHash[uOffset] & 0x7F) << 24) | ((pbHash[uOffset + 1] & 0xFF) << 16)
            | ((pbHash[uOffset + 2] & 0xFF) << 8) | (pbHash[uOffset + 3] & 0xFF));

    int uOtp = (uBinary % vDigitsPower[uCodeDigits]);
    if (bAddChecksum)
        uOtp = ((uOtp * 10) + CalculateChecksum(uOtp, uCodeDigits));

    int uDigits = (bAddChecksum ? (uCodeDigits + 1) : uCodeDigits);
    return String.format("%0" + uDigits + "d", uOtp);
}

From source file:com.healthmarketscience.jackcess.impl.MSISAMCryptCodecHandler.java

License:Apache License

private static byte[] createPasswordDigest(ByteBuffer buffer, String password, Charset charset) {
    Digest digest = (((buffer.get(ENCRYPTION_FLAGS_OFFSET) & USE_SHA1) != 0) ? new SHA1Digest()
            : new MD5Digest());

    byte[] passwordBytes = new byte[PASSWORD_LENGTH];

    if (password != null) {
        ByteBuffer bb = ColumnImpl.encodeUncompressedText(password.toUpperCase(), charset);
        bb.get(passwordBytes, 0, Math.min(passwordBytes.length, bb.remaining()));
    }//w  ww.j a va2  s  .  co m

    // Get digest value
    byte[] digestBytes = hash(digest, passwordBytes, PASSWORD_DIGEST_LENGTH);
    return digestBytes;
}

From source file:com.healthmarketscience.jackcess.impl.office.ECMAStandardEncryptionProvider.java

License:Apache License

@Override
protected Digest initDigest() {
    return new SHA1Digest();
}