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Reset the KeyAgreement object for reuse #12

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Jul 13, 2022
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Reset the KeyAgreement object for reuse #12

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4 changes: 2 additions & 2 deletions closed/src/jdk.crypto.ec/share/classes/sun/security/ec/NativeECDHKeyAgreement.java
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Original file line number Diff line number Diff line change
Expand Up @@ -164,8 +164,7 @@ protected Key engineDoPhase(Key key, boolean lastPhase)
/* attempt to translate the key if it is not an ECKey */
this.publicKey = (ECPublicKeyImpl) ECKeyFactory.toECKey(key);

ECParameterSpec params = this.publicKey.getParams();
int keyLenBits = params.getCurve().getField().getFieldSize();
int keyLenBits = this.publicKey.getParams().getCurve().getField().getFieldSize();
this.secretLen = (keyLenBits + 7) >> 3;

return null;
Expand Down Expand Up @@ -228,6 +227,7 @@ protected int engineGenerateSecret(byte[] sharedSecret, int offset)
if (ret == -1) {
throw new ProviderException("Could not derive key");
}
this.publicKey = null;
return this.secretLen;
}

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