http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.7. 
package org.bouncycastle.asn1.oiw;

import org.bouncycastle.asn1.ASN1ObjectIdentifier;

public interface OIWObjectIdentifiers
{
    // id-SHA1 OBJECT IDENTIFIER ::=    
    //   {iso(1) identified-organization(3) oiw(14) secsig(3) algorithms(2) 26 }    //
    static final ASN1ObjectIdentifier    md4WithRSA              = new ASN1ObjectIdentifier("1.3.14.3.2.2");
    static final ASN1ObjectIdentifier    md5WithRSA              = new ASN1ObjectIdentifier("1.3.14.3.2.3");
    static final ASN1ObjectIdentifier    md4WithRSAEncryption    = new ASN1ObjectIdentifier("1.3.14.3.2.4");
    
    static final ASN1ObjectIdentifier    desECB                  = new ASN1ObjectIdentifier("1.3.14.3.2.6");
    static final ASN1ObjectIdentifier    desCBC                  = new ASN1ObjectIdentifier("1.3.14.3.2.7");
    static final ASN1ObjectIdentifier    desOFB                  = new ASN1ObjectIdentifier("1.3.14.3.2.8");
    static final ASN1ObjectIdentifier    desCFB                  = new ASN1ObjectIdentifier("1.3.14.3.2.9");

    static final ASN1ObjectIdentifier    desEDE                  = new ASN1ObjectIdentifier("1.3.14.3.2.17");
    
    static final ASN1ObjectIdentifier    idSHA1                  = new ASN1ObjectIdentifier("1.3.14.3.2.26");

    static final ASN1ObjectIdentifier    dsaWithSHA1             = new ASN1ObjectIdentifier("1.3.14.3.2.27");

    static final ASN1ObjectIdentifier    sha1WithRSA             = new ASN1ObjectIdentifier("1.3.14.3.2.29");
    
    // ElGamal Algorithm OBJECT IDENTIFIER ::=    
    // {iso(1) identified-organization(3) oiw(14) dirservsig(7) algorithm(2) encryption(1) 1 }
    //
    static final ASN1ObjectIdentifier    elGamalAlgorithm        = new ASN1ObjectIdentifier("1.3.14.7.2.1.1");

}