8254717: isAssignableFrom checks in KeyFactorySpi.engineGetKeySpec appear to be backwards

Reviewed-by: jnimeh
This commit is contained in:
Ziyi Luo 2021-03-04 15:17:53 +00:00 committed by Jamil Nimeh
parent d2c4ed08a2
commit a777e82cd8
17 changed files with 136 additions and 63 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -148,7 +148,7 @@ public class DSAKeyFactory extends KeyFactorySpi {
Class<?> x509KeySpec = Class.forName
("java.security.spec.X509EncodedKeySpec");
if (dsaPubKeySpec.isAssignableFrom(keySpec)) {
if (keySpec.isAssignableFrom(dsaPubKeySpec)) {
java.security.interfaces.DSAPublicKey dsaPubKey
= (java.security.interfaces.DSAPublicKey)key;
params = dsaPubKey.getParams();
@ -157,7 +157,7 @@ public class DSAKeyFactory extends KeyFactorySpi {
params.getQ(),
params.getG()));
} else if (x509KeySpec.isAssignableFrom(keySpec)) {
} else if (keySpec.isAssignableFrom(x509KeySpec)) {
return keySpec.cast(new X509EncodedKeySpec(key.getEncoded()));
} else {
@ -173,7 +173,7 @@ public class DSAKeyFactory extends KeyFactorySpi {
Class<?> pkcs8KeySpec = Class.forName
("java.security.spec.PKCS8EncodedKeySpec");
if (dsaPrivKeySpec.isAssignableFrom(keySpec)) {
if (keySpec.isAssignableFrom(dsaPrivKeySpec)) {
java.security.interfaces.DSAPrivateKey dsaPrivKey
= (java.security.interfaces.DSAPrivateKey)key;
params = dsaPrivKey.getParams();
@ -182,7 +182,7 @@ public class DSAKeyFactory extends KeyFactorySpi {
params.getQ(),
params.getG()));
} else if (pkcs8KeySpec.isAssignableFrom(keySpec)) {
} else if (keySpec.isAssignableFrom(pkcs8KeySpec)) {
return keySpec.cast(new PKCS8EncodedKeySpec(key.getEncoded()));
} else {

View file

@ -389,13 +389,13 @@ public class RSAKeyFactory extends KeyFactorySpi {
}
if (key instanceof RSAPublicKey) {
RSAPublicKey rsaKey = (RSAPublicKey)key;
if (RSA_PUB_KEYSPEC_CLS.isAssignableFrom(keySpec)) {
if (keySpec.isAssignableFrom(RSA_PUB_KEYSPEC_CLS)) {
return keySpec.cast(new RSAPublicKeySpec(
rsaKey.getModulus(),
rsaKey.getPublicExponent(),
rsaKey.getParams()
));
} else if (X509_KEYSPEC_CLS.isAssignableFrom(keySpec)) {
} else if (keySpec.isAssignableFrom(X509_KEYSPEC_CLS)) {
return keySpec.cast(new X509EncodedKeySpec(key.getEncoded()));
} else {
throw new InvalidKeySpecException
@ -403,9 +403,9 @@ public class RSAKeyFactory extends KeyFactorySpi {
+ "X509EncodedKeySpec for RSA public keys");
}
} else if (key instanceof RSAPrivateKey) {
if (PKCS8_KEYSPEC_CLS.isAssignableFrom(keySpec)) {
if (keySpec.isAssignableFrom(PKCS8_KEYSPEC_CLS)) {
return keySpec.cast(new PKCS8EncodedKeySpec(key.getEncoded()));
} else if (RSA_PRIVCRT_KEYSPEC_CLS.isAssignableFrom(keySpec)) {
} else if (keySpec.isAssignableFrom(RSA_PRIVCRT_KEYSPEC_CLS)) {
if (key instanceof RSAPrivateCrtKey) {
RSAPrivateCrtKey crtKey = (RSAPrivateCrtKey)key;
return keySpec.cast(new RSAPrivateCrtKeySpec(
@ -423,7 +423,7 @@ public class RSAKeyFactory extends KeyFactorySpi {
throw new InvalidKeySpecException
("RSAPrivateCrtKeySpec can only be used with CRT keys");
}
} else if (RSA_PRIV_KEYSPEC_CLS.isAssignableFrom(keySpec)) {
} else if (keySpec.isAssignableFrom(RSA_PRIV_KEYSPEC_CLS)) {
RSAPrivateKey rsaKey = (RSAPrivateKey)key;
return keySpec.cast(new RSAPrivateKeySpec(
rsaKey.getModulus(),