Example usage for org.bouncycastle.crypto.digests SHA512Digest getDigestSize

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.digests SHA512Digest getDigestSize.

Prototype

public int getDigestSize() 

Source Link

Usage

From source file:org.ourfilesystem.security.SecurityTools.java

License:Open Source License

public static BBytes digestSubscribe(Subscribe s, BBytes peerid) {
    SHA512Digest d = new SHA512Digest();
    digestBBytes(d, s.getNetworkID());/*from w  ww . j  a va2  s .c  om*/
    digestDate(d, s.getRDate());
    digestLong(d, s.getSubNumber());
    digestBBytes(d, peerid);
    digestBoolean(d, s.isSubscribe());
    byte sig[] = new byte[d.getDigestSize()];
    d.doFinal(sig, 0);
    return new BBytes(sig);
}

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From source file:org.ourfilesystem.security.SecurityTools.java

License:Open Source License

public static BBytes digestNetwork(Network n, BBytes peerid) {
    SHA512Digest d = new SHA512Digest();
    digestString(d, n.getDescription());
    digestLong(d, n.getNetworkNumber());
    digestString(d, n.getTitle());/*from   ww  w.ja  v  a 2s.  c  o m*/
    digestBBytes(d, peerid);
    digestDate(d, n.getRDate());
    if (n.getPublic() != null) {
        digestBoolean(d, n.getPublic());
    }
    byte sig[] = new byte[d.getDigestSize()];
    d.doFinal(sig, 0);
    return new BBytes(sig);
}

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From source file:org.ourfilesystem.security.SecurityTools.java

License:Open Source License

public static void signNetworkAuth(NetworkAuthorization a, BBytes peerid, RSAPrivateCrtKeyParameters key) {
    SHA512Digest d = new SHA512Digest();
    byte b[] = a.getNetworkId().getBytes();
    d.update(b, 0, b.length);//w w w.  j  av  a  2 s. c  o  m
    b = a.getPeerId().getBytes();
    d.update(b, 0, b.length);
    digestLong(d, a.getSignatureNumber());
    digestDate(d, a.getRDate());
    byte sig[] = new byte[d.getDigestSize()];
    d.doFinal(sig, 0);
    a.setSignature(signDigest(sig, peerid, key));
}

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From source file:org.ourfilesystem.security.SecurityTools.java

License:Open Source License

public static boolean verifyNetworkAuth(NetworkAuthorization a, PublicKeySet pub) {
    SHA512Digest d = new SHA512Digest();
    byte b[] = a.getNetworkId().getBytes();
    d.update(b, 0, b.length);//  w w  w . j a va 2 s  .co m
    b = a.getPeerId().getBytes();
    d.update(b, 0, b.length);
    digestLong(d, a.getSignatureNumber());
    digestDate(d, a.getRDate());
    byte sig[] = new byte[d.getDigestSize()];
    d.doFinal(sig, 0);
    return verifySignedDigest(a.getSignature(), sig, pub);
}

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