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abstract Mac, and Signature instance retrieval to optionally use BCFI…
…PS if the provider has been registered
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* | ||
| * Copyright (c) 2020, FusionAuth, All Rights Reserved | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | ||
| * either express or implied. See the License for the specific | ||
| * language governing permissions and limitations under the License. | ||
| */ | ||
|
|
||
| package io.fusionauth.jwt; | ||
|
|
||
| import javax.crypto.Mac; | ||
| import java.security.NoSuchAlgorithmException; | ||
| import java.security.NoSuchProviderException; | ||
| import java.security.Signature; | ||
|
|
||
| /** | ||
| * @author Daniel DeGroff | ||
| */ | ||
| public class CryptoProvider { | ||
| private static final boolean USE_BC_FIPS; | ||
|
|
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| private CryptoProvider() { | ||
| } | ||
|
|
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| public static Mac getMacInstance(String name) throws NoSuchAlgorithmException { | ||
| return USE_BC_FIPS ? getBCFipsMacInstance(name) : Mac.getInstance(name); | ||
| } | ||
|
|
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| public static Signature getSignatureInstance(String name) throws NoSuchAlgorithmException { | ||
| return USE_BC_FIPS ? getBCFipsSignatureInstance(name) : Signature.getInstance(name); | ||
| } | ||
|
|
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| private static Mac getBCFipsMacInstance(String name) throws NoSuchAlgorithmException { | ||
| try { | ||
| return Mac.getInstance(name, "BCFIPS"); | ||
| } catch (NoSuchProviderException e) { | ||
| // Should not happen since we checked during static initialization | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
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| private static Signature getBCFipsSignatureInstance(String name) throws NoSuchAlgorithmException { | ||
| try { | ||
| return Signature.getInstance(name, "BCFIPS"); | ||
| } catch (NoSuchProviderException e) { | ||
| // Should not happen since we checked during static initialization | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
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| static { | ||
| Signature signature = null; | ||
| try { | ||
| signature = Signature.getInstance("SHA256withRSA", "BCFIPS"); | ||
| } catch (Exception e) { | ||
| if (!(e instanceof NoSuchProviderException)) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
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| USE_BC_FIPS = signature != null; | ||
| } | ||
| } |
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