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Merge pull request #26 from Sere-Fu/add_chacha
Add ChaCha20(&Poly1305) Support
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40 changes: 40 additions & 0 deletions
40
common/src/main/java/org/conscrypt/OpenSSLAeadCipherChaCha20.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package org.conscrypt; | ||
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| import java.security.InvalidKeyException; | ||
| import java.util.Locale; | ||
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| public class OpenSSLAeadCipherChaCha20 extends OpenSSLAeadCipher { | ||
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| public OpenSSLAeadCipherChaCha20() { | ||
| super(Mode.POLY1305); | ||
| } | ||
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| @Override | ||
| String getCipherName(int keyLength, Mode mode) { | ||
| return "chacha20-" + mode.toString().toLowerCase(Locale.US); | ||
| } | ||
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| @Override | ||
| String getBaseCipherName() { | ||
| return "ChaCha20"; | ||
| } | ||
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| @Override | ||
| void checkSupportedKeySize(int keySize) throws InvalidKeyException { | ||
| if (keySize != 32) { | ||
| throw new InvalidKeyException("Unsupported key size: " + keySize | ||
| + " bytes (must be 32)"); | ||
| } | ||
| } | ||
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| @Override | ||
| int getCipherBlockSize() { | ||
| return 0; | ||
| } | ||
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| @Override | ||
| boolean allowsNonceReuse() { | ||
| return true; | ||
| } | ||
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| } |
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58 changes: 58 additions & 0 deletions
58
common/src/main/java/org/conscrypt/OpenSSLEvpCipherChaCha20.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright 2023 The Tongsuo Project Authors. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License 2.0 (the "License"). You may not use | ||
| * this file except in compliance with the License. You can obtain a copy | ||
| * in the file LICENSE in the source distribution or at | ||
| * https://github.com/Tongsuo-Project/Tongsuo/blob/master/LICENSE.txt | ||
| */ | ||
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| package org.conscrypt; | ||
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| import java.security.InvalidKeyException; | ||
| import java.security.NoSuchAlgorithmException; | ||
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| import javax.crypto.NoSuchPaddingException; | ||
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| public class OpenSSLEvpCipherChaCha20 extends OpenSSLEvpCipher { | ||
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| public OpenSSLEvpCipherChaCha20() {} | ||
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| @Override | ||
| String getCipherName(int keySize, Mode mode) { | ||
| return "chacha20"; | ||
| } | ||
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| @Override | ||
| String getBaseCipherName() { | ||
| return "ChaCha20"; | ||
| } | ||
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| @Override | ||
| void checkSupportedKeySize(int keySize) throws InvalidKeyException { | ||
| if (keySize != 32) { | ||
| throw new InvalidKeyException("Unsupported key size: " + keySize | ||
| + " bytes (must be 32)"); | ||
| } | ||
| } | ||
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| @Override | ||
| void checkSupportedMode(Mode mode) throws NoSuchAlgorithmException { | ||
| if (mode != Mode.NONE) { | ||
| throw new NoSuchAlgorithmException("Mode must be NONE"); | ||
| } | ||
| } | ||
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| @Override | ||
| void checkSupportedPadding(Padding padding) throws NoSuchPaddingException { | ||
| if (padding != Padding.NOPADDING) { | ||
| throw new NoSuchPaddingException("Must be NoPadding"); | ||
| } | ||
| } | ||
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| @Override | ||
| int getCipherBlockSize() { | ||
| return 0; | ||
| } | ||
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| } |
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