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42 lines
1.1 KiB
42 lines
1.1 KiB
package com.fr.third.org.bouncycastle.jcajce.util; |
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import java.security.Provider; |
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import java.security.Security; |
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import com.fr.third.org.bouncycastle.jce.provider.BouncyCastleProvider; |
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/** |
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* A JCA/JCE helper that refers to the BC provider for all it's needs. |
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*/ |
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public class BCJcaJceHelper |
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extends ProviderJcaJceHelper |
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{ |
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private static volatile Provider bcProvider; |
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private static synchronized Provider getBouncyCastleProvider() |
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{ |
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// [BouncyCastle] |
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final Provider system = Security.getProvider("FR_BC"); |
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// Avoid using the old, deprecated system BC provider on Android. |
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// See: https://android-developers.googleblog.com/2018/03/cryptography-changes-in-android-p.html |
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if (system instanceof BouncyCastleProvider) |
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{ |
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return system; |
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} |
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else if (bcProvider != null) |
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{ |
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return bcProvider; |
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} |
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else |
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{ |
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bcProvider = new BouncyCastleProvider(); |
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return bcProvider; |
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} |
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} |
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public BCJcaJceHelper() |
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{ |
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super(getBouncyCastleProvider()); |
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} |
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}
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