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Spongy Castle is a package-rename (org.bouncycastle.* to org.spongycastle.*) of Bouncy Castle intended for Android. Android ships with a stripped-down version of Bouncy Castle - this causes classloader collisions if you try to add an alternative (updated/complete) Bouncy Castle jar. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5.

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package org.spongycastle.cms;

import org.spongycastle.asn1.DERObjectIdentifier;

public class CMSConfig
{
    /**
     * Set the mapping for the encryption algorithm used in association with a SignedData generation
     * or interpretation.
     *
     * @param oid object identifier to map.
     * @param algorithmName algorithm name to use.
     */
    public static void setSigningEncryptionAlgorithmMapping(String oid, String algorithmName)
    {
        DERObjectIdentifier id = new DERObjectIdentifier(oid);

        CMSSignedHelper.INSTANCE.setSigningEncryptionAlgorithmMapping(id, algorithmName);
    }

    /**
     * Set the mapping for the digest algorithm to use in conjunction with a SignedData generation
     * or interpretation.
     *
     * @param oid object identifier to map.
     * @param algorithmName algorithm name to use.
     */
    public static void setSigningDigestAlgorithmMapping(String oid, String algorithmName)
    {
        DERObjectIdentifier id = new DERObjectIdentifier(oid);

        CMSSignedHelper.INSTANCE.setSigningDigestAlgorithmMapping(id, algorithmName);
    }
}