com.itextpdf.signatures.BouncyCastleDigest Maven / Gradle / Ivy
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2021 iText Group NV
Authors: Bruno Lowagie, Paulo Soares, et al.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License version 3
as published by the Free Software Foundation with the addition of the
following permission added to Section 15 as permitted in Section 7(a):
FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
OF THIRD PARTY RIGHTS
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, see http://www.gnu.org/licenses or write to
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Boston, MA, 02110-1301 USA, or download the license from the following URL:
http://itextpdf.com/terms-of-use/
The interactive user interfaces in modified source and object code versions
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You can be released from the requirements of the license by purchasing
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*/
package com.itextpdf.signatures;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.bouncycastle.jcajce.provider.digest.GOST3411;
import org.bouncycastle.jcajce.provider.digest.MD2;
import org.bouncycastle.jcajce.provider.digest.MD5;
import org.bouncycastle.jcajce.provider.digest.RIPEMD128;
import org.bouncycastle.jcajce.provider.digest.RIPEMD160;
import org.bouncycastle.jcajce.provider.digest.RIPEMD256;
import org.bouncycastle.jcajce.provider.digest.SHA1;
import org.bouncycastle.jcajce.provider.digest.SHA224;
import org.bouncycastle.jcajce.provider.digest.SHA256;
import org.bouncycastle.jcajce.provider.digest.SHA384;
import org.bouncycastle.jcajce.provider.digest.SHA512;
/**
* Implementation for digests accessed directly from the BouncyCastle library bypassing
* any provider definition.
*/
public class BouncyCastleDigest implements IExternalDigest {
@Override
public MessageDigest getMessageDigest(String hashAlgorithm) throws GeneralSecurityException {
String oid = DigestAlgorithms.getAllowedDigest(hashAlgorithm);
switch (oid) {
case "1.2.840.113549.2.2": //MD2
return new MD2.Digest();
case "1.2.840.113549.2.5": //MD5
return new MD5.Digest();
case "1.3.14.3.2.26": //SHA1
return new SHA1.Digest();
case "2.16.840.1.101.3.4.2.4": //SHA224
return new SHA224.Digest();
case "2.16.840.1.101.3.4.2.1": //SHA256
return new SHA256.Digest();
case "2.16.840.1.101.3.4.2.2": //SHA384
return new SHA384.Digest();
case "2.16.840.1.101.3.4.2.3": //SHA512
return new SHA512.Digest();
case "1.3.36.3.2.2": //RIPEMD128
return new RIPEMD128.Digest();
case "1.3.36.3.2.1": //RIPEMD160
return new RIPEMD160.Digest();
case "1.3.36.3.2.3": //RIPEMD256
return new RIPEMD256.Digest();
case "1.2.643.2.2.9": //GOST3411
return new GOST3411.Digest();
default:
throw new NoSuchAlgorithmException(hashAlgorithm);
}
}
}