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From 67c2c66d6befca1236a92c68ed9a0ba55c3a3eb6 Mon Sep 17 00:00:00 2001
Date: Thu, 5 Nov 2020 22:28:14 +0800
Subject: [PATCH] 8236512: PKCS11 Connection closed after Cipher.doFinal and
NoPadding
Summary: security-libs : Removed killSession() calls in certain impl classes when cancelling operations
LLT: N/A
Bug url: https://bugs.openjdk.java.net/browse/JDK-8236512
---
.../classes/sun/security/pkcs11/P11AEADCipher.java | 38 +++++-----
.../classes/sun/security/pkcs11/P11Cipher.java | 31 ++++----
.../share/classes/sun/security/pkcs11/P11Mac.java | 20 +++---
.../sun/security/pkcs11/P11PSSSignature.java | 30 ++++----
.../classes/sun/security/pkcs11/P11RSACipher.java | 60 ++++++++--------
.../classes/sun/security/pkcs11/P11Signature.java | 82 ++++++++++------------
6 files changed, 127 insertions(+), 134 deletions(-)
diff --git a/jdk/src/share/classes/sun/security/pkcs11/P11AEADCipher.java b/jdk/src/share/classes/sun/security/pkcs11/P11AEADCipher.java
index bfd00046c..5af9c8aef 100644
--- a/jdk/src/share/classes/sun/security/pkcs11/P11AEADCipher.java
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11AEADCipher.java
@@ -1,4 +1,5 @@
-/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+/*
+ * Copyright (c) 2019, 2020, 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
@@ -331,25 +332,25 @@ final class P11AEADCipher extends CipherSpi {
}
private void cancelOperation() {
+ // cancel operation by finishing it; avoid killSession as some
+ // hardware vendors may require re-login
+ int bufLen = doFinalLength(0);
+ byte[] buffer = new byte[bufLen];
+ byte[] in = dataBuffer.toByteArray();
+ int inLen = in.length;
try {
- if (session.hasObjects() == false) {
- session = token.killSession(session);
- return;
+ if (encrypt) {
+ token.p11.C_Encrypt(session.id(), 0, in, 0, inLen,
+ 0, buffer, 0, bufLen);
} else {
- // cancel operation by finishing it
- int bufLen = doFinalLength(0);
- byte[] buffer = new byte[bufLen];
-
- if (encrypt) {
- token.p11.C_Encrypt(session.id(), 0, buffer, 0, bufLen,
- 0, buffer, 0, bufLen);
- } else {
- token.p11.C_Decrypt(session.id(), 0, buffer, 0, bufLen,
- 0, buffer, 0, bufLen);
- }
+ token.p11.C_Decrypt(session.id(), 0, in, 0, inLen,
+ 0, buffer, 0, bufLen);
}
} catch (PKCS11Exception e) {
- throw new ProviderException("Cancel failed", e);
+ if (encrypt) {
+ throw new ProviderException("Cancel failed", e);
+ }
+ // ignore failure for decryption
}
}
@@ -432,18 +433,21 @@ final class P11AEADCipher extends CipherSpi {
if (!initialized) {
return;
}
+ initialized = false;
+
try {
if (session == null) {
return;
}
+
if (doCancel && token.explicitCancel) {
cancelOperation();
}
} finally {
p11Key.releaseKeyID();
session = token.releaseSession(session);
+ dataBuffer.reset();
}
- initialized = false;
}
// see JCE spec
diff --git a/jdk/src/share/classes/sun/security/pkcs11/P11Cipher.java b/jdk/src/share/classes/sun/security/pkcs11/P11Cipher.java
index 9837f12a5..8f2620e13 100644
--- a/jdk/src/share/classes/sun/security/pkcs11/P11Cipher.java
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11Cipher.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2020, 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
@@ -409,10 +409,12 @@ final class P11Cipher extends CipherSpi {
return;
}
initialized = false;
+
try {
if (session == null) {
return;
}
+
if (doCancel && token.explicitCancel) {
cancelOperation();
}
@@ -426,22 +428,21 @@ final class P11Cipher extends CipherSpi {
private void cancelOperation() {
token.ensureValid();
- if (session.hasObjects() == false) {
- session = token.killSession(session);
- return;
- } else {
- try {
- // cancel operation by finishing it
- int bufLen = doFinalLength(0);
- byte[] buffer = new byte[bufLen];
- if (encrypt) {
- token.p11.C_EncryptFinal(session.id(), 0, buffer, 0, bufLen);
- } else {
- token.p11.C_DecryptFinal(session.id(), 0, buffer, 0, bufLen);
- }
- } catch (PKCS11Exception e) {
+ // cancel operation by finishing it; avoid killSession as some
+ // hardware vendors may require re-login
+ try {
+ int bufLen = doFinalLength(0);
+ byte[] buffer = new byte[bufLen];
+ if (encrypt) {
+ token.p11.C_EncryptFinal(session.id(), 0, buffer, 0, bufLen);
+ } else {
+ token.p11.C_DecryptFinal(session.id(), 0, buffer, 0, bufLen);
+ }
+ } catch (PKCS11Exception e) {
+ if (encrypt) {
throw new ProviderException("Cancel failed", e);
}
+ // ignore failure for decryption
}
}
diff --git a/jdk/src/share/classes/sun/security/pkcs11/P11Mac.java b/jdk/src/share/classes/sun/security/pkcs11/P11Mac.java
index 56d0b1c70..7d80bcb90 100644
--- a/jdk/src/share/classes/sun/security/pkcs11/P11Mac.java
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11Mac.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2020, 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
@@ -122,10 +122,12 @@ final class P11Mac extends MacSpi {
return;
}
initialized = false;
+
try {
if (session == null) {
return;
}
+
if (doCancel && token.explicitCancel) {
cancelOperation();
}
@@ -137,15 +139,12 @@ final class P11Mac extends MacSpi {
private void cancelOperation() {
token.ensureValid();
- if (session.hasObjects() == false) {
- session = token.killSession(session);
- return;
- } else {
- try {
- token.p11.C_SignFinal(session.id(), 0);
- } catch (PKCS11Exception e) {
- throw new ProviderException("Cancel failed", e);
- }
+ // cancel operation by finishing it; avoid killSession as some
+ // hardware vendors may require re-login
+ try {
+ token.p11.C_SignFinal(session.id(), 0);
+ } catch (PKCS11Exception e) {
+ throw new ProviderException("Cancel failed", e);
}
}
@@ -207,7 +206,6 @@ final class P11Mac extends MacSpi {
ensureInitialized();
return token.p11.C_SignFinal(session.id(), 0);
} catch (PKCS11Exception e) {
- reset(true);
throw new ProviderException("doFinal() failed", e);
} finally {
reset(false);
diff --git a/jdk/src/share/classes/sun/security/pkcs11/P11PSSSignature.java b/jdk/src/share/classes/sun/security/pkcs11/P11PSSSignature.java
index c0f48715d..d172108fc 100644
--- a/jdk/src/share/classes/sun/security/pkcs11/P11PSSSignature.java
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11PSSSignature.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2020, 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
@@ -223,10 +223,12 @@ final class P11PSSSignature extends SignatureSpi {
return;
}
initialized = false;
+
try {
if (session == null) {
return;
}
+
if (doCancel && token.explicitCancel) {
cancelOperation();
}
@@ -242,14 +244,10 @@ final class P11PSSSignature extends SignatureSpi {
token.ensureValid();
if (DEBUG) System.out.print("Cancelling operation");
- if (session.hasObjects() == false) {
- if (DEBUG) System.out.println(" by killing session");
- session = token.killSession(session);
- return;
- }
- // "cancel" operation by finishing it
- if (mode == M_SIGN) {
- try {
+ // cancel operation by finishing it; avoid killSession as some
+ // hardware vendors may require re-login
+ try {
+ if (mode == M_SIGN) {
if (type == T_UPDATE) {
if (DEBUG) System.out.println(" by C_SignFinal");
token.p11.C_SignFinal(session.id(), 0);
@@ -259,11 +257,7 @@ final class P11PSSSignature extends SignatureSpi {
if (DEBUG) System.out.println(" by C_Sign");
token.p11.C_Sign(session.id(), digest);
}
- } catch (PKCS11Exception e) {
- throw new ProviderException("cancel failed", e);
- }
- } else { // M_VERIFY
- try {
+ } else { // M_VERIFY
byte[] signature =
new byte[(p11Key.length() + 7) >> 3];
if (type == T_UPDATE) {
@@ -275,10 +269,12 @@ final class P11PSSSignature extends SignatureSpi {
if (DEBUG) System.out.println(" by C_Verify");
token.p11.C_Verify(session.id(), digest, signature);
}
- } catch (PKCS11Exception e) {
- // will fail since the signature is incorrect
- // XXX check error code
}
+ } catch (PKCS11Exception e) {
+ if (mode == M_SIGN) {
+ throw new ProviderException("cancel failed", e);
+ }
+ // ignore failure for verification
}
}
diff --git a/jdk/src/share/classes/sun/security/pkcs11/P11RSACipher.java b/jdk/src/share/classes/sun/security/pkcs11/P11RSACipher.java
index 421a16285..4bb629dbf 100644
--- a/jdk/src/share/classes/sun/security/pkcs11/P11RSACipher.java
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11RSACipher.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2020, 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
@@ -246,10 +246,12 @@ final class P11RSACipher extends CipherSpi {
return;
}
initialized = false;
+
try {
if (session == null) {
return;
}
+
if (doCancel && token.explicitCancel) {
cancelOperation();
}
@@ -263,36 +265,33 @@ final class P11RSACipher extends CipherSpi {
// state variables such as "initialized"
private void cancelOperation() {
token.ensureValid();
- if (session.hasObjects() == false) {
- session = token.killSession(session);
- return;
- } else {
- try {
- PKCS11 p11 = token.p11;
- int inLen = maxInputSize;
- int outLen = buffer.length;
- long sessId = session.id();
- switch (mode) {
- case MODE_ENCRYPT:
- p11.C_Encrypt(sessId, 0, buffer, 0, inLen, 0, buffer, 0, outLen);
- break;
- case MODE_DECRYPT:
- p11.C_Decrypt(sessId, 0, buffer, 0, inLen, 0, buffer, 0, outLen);
- break;
- case MODE_SIGN:
- byte[] tmpBuffer = new byte[maxInputSize];
- p11.C_Sign(sessId, tmpBuffer);
- break;
- case MODE_VERIFY:
- p11.C_VerifyRecover(sessId, buffer, 0, inLen, buffer,
- 0, outLen);
- break;
- default:
- throw new ProviderException("internal error");
- }
- } catch (PKCS11Exception e) {
- // XXX ensure this always works, ignore error
+ // cancel operation by finishing it; avoid killSession as some
+ // hardware vendors may require re-login
+ try {
+ PKCS11 p11 = token.p11;
+ int inLen = maxInputSize;
+ int outLen = buffer.length;
+ long sessId = session.id();
+ switch (mode) {
+ case MODE_ENCRYPT:
+ p11.C_Encrypt(sessId, 0, buffer, 0, inLen, 0, buffer, 0, outLen);
+ break;
+ case MODE_DECRYPT:
+ p11.C_Decrypt(sessId, 0, buffer, 0, inLen, 0, buffer, 0, outLen);
+ break;
+ case MODE_SIGN:
+ byte[] tmpBuffer = new byte[maxInputSize];
+ p11.C_Sign(sessId, tmpBuffer);
+ break;
+ case MODE_VERIFY:
+ p11.C_VerifyRecover(sessId, buffer, 0, inLen, buffer,
+ 0, outLen);
+ break;
+ default:
+ throw new ProviderException("internal error");
}
+ } catch (PKCS11Exception e) {
+ // XXX ensure this always works, ignore error
}
}
@@ -361,6 +360,7 @@ final class P11RSACipher extends CipherSpi {
private int implDoFinal(byte[] out, int outOfs, int outLen)
throws BadPaddingException, IllegalBlockSizeException {
if (bufOfs > maxInputSize) {
+ reset(true);
throw new IllegalBlockSizeException("Data must not be longer "
+ "than " + maxInputSize + " bytes");
}
diff --git a/jdk/src/share/classes/sun/security/pkcs11/P11Signature.java b/jdk/src/share/classes/sun/security/pkcs11/P11Signature.java
index 48a49f66b..844a23d1a 100644
--- a/jdk/src/share/classes/sun/security/pkcs11/P11Signature.java
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11Signature.java
@@ -245,10 +245,12 @@ final class P11Signature extends SignatureSpi {
return;
}
initialized = false;
+
try {
if (session == null) {
return;
}
+
if (doCancel && token.explicitCancel) {
cancelOperation();
}
@@ -259,59 +261,51 @@ final class P11Signature extends SignatureSpi {
}
private void cancelOperation() {
-
token.ensureValid();
- if (session.hasObjects() == false) {
- session = token.killSession(session);
- return;
- } else {
- // "cancel" operation by finishing it
- // XXX make sure all this always works correctly
+ // cancel operation by finishing it; avoid killSession as some
+ // hardware vendors may require re-login
+ try {
if (mode == M_SIGN) {
- try {
- if (type == T_UPDATE) {
- token.p11.C_SignFinal(session.id(), 0);
- } else {
- byte[] digest;
- if (type == T_DIGEST) {
- digest = md.digest();
- } else { // T_RAW
- digest = buffer;
- }
- token.p11.C_Sign(session.id(), digest);
+ if (type == T_UPDATE) {
+ token.p11.C_SignFinal(session.id(), 0);
+ } else {
+ byte[] digest;
+ if (type == T_DIGEST) {
+ digest = md.digest();
+ } else { // T_RAW
+ digest = buffer;
}
- } catch (PKCS11Exception e) {
- throw new ProviderException("cancel failed", e);
+ token.p11.C_Sign(session.id(), digest);
}
} else { // M_VERIFY
byte[] signature;
- try {
- if (keyAlgorithm.equals("DSA")) {
- signature = new byte[40];
- } else {
- signature = new byte[(p11Key.length() + 7) >> 3];
- }
- if (type == T_UPDATE) {
- token.p11.C_VerifyFinal(session.id(), signature);
- } else {
- byte[] digest;
- if (type == T_DIGEST) {
- digest = md.digest();
- } else { // T_RAW
- digest = buffer;
- }
- token.p11.C_Verify(session.id(), digest, signature);
- }
- } catch (PKCS11Exception e) {
- long errorCode = e.getErrorCode();
- if ((errorCode == CKR_SIGNATURE_INVALID) ||
- (errorCode == CKR_SIGNATURE_LEN_RANGE)) {
- // expected since signature is incorrect
- return;
+ if (keyAlgorithm.equals("DSA")) {
+ signature = new byte[40];
+ } else {
+ signature = new byte[(p11Key.length() + 7) >> 3];
+ }
+ if (type == T_UPDATE) {
+ token.p11.C_VerifyFinal(session.id(), signature);
+ } else {
+ byte[] digest;
+ if (type == T_DIGEST) {
+ digest = md.digest();
+ } else { // T_RAW
+ digest = buffer;
}
- throw new ProviderException("cancel failed", e);
+ token.p11.C_Verify(session.id(), digest, signature);
+ }
+ }
+ } catch (PKCS11Exception e) {
+ if (mode == M_VERIFY) {
+ long errorCode = e.getErrorCode();
+ if ((errorCode == CKR_SIGNATURE_INVALID) ||
+ (errorCode == CKR_SIGNATURE_LEN_RANGE)) {
+ // expected since signature is incorrect
+ return;
}
}
+ throw new ProviderException("cancel failed", e);
}
}
--
2.12.3
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