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package org.spongycastle.cms.bc;
import org.spongycastle.crypto.CipherParameters;
import org.spongycastle.crypto.params.KeyParameter;
import org.spongycastle.operator.GenericKey;
class CMSUtils
{
static CipherParameters getBcKey(GenericKey key)
{
if (key.getRepresentation() instanceof CipherParameters)
{
return (CipherParameters)key.getRepresentation();
}
if (key.getRepresentation() instanceof byte[])
{
return new KeyParameter((byte[])key.getRepresentation());
}
throw new IllegalArgumentException("unknown generic key type");
}
}
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