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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Giovanni Cabiddu <giovanni.cabiddu@intel.com>,
        Conor McLoughlin <conor.mcloughlin@intel.com>,
        Stephan Mueller <smueller@chronox.de>,
        Herbert Xu <herbert@gondor.apana.org.au>
Subject: [PATCH 4.15 52/72] crypto: testmgr - Fix incorrect values in PKCS#1 test vector
Date:   Fri,  6 Apr 2018 15:24:27 +0200
Message-Id: <20180406084353.081766497@linuxfoundation.org>
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4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Conor McLoughlin <conor.mcloughlin@intel.com>

commit 333e18c5cc74438f8940c7f3a8b3573748a371f9 upstream.

The RSA private key for the first form should have
version, prime1, prime2, exponent1, exponent2, coefficient
values 0.
With non-zero values for prime1,2, exponent 1,2 and coefficient
the Intel QAT driver will assume that values are provided for the
private key second form. This will result in signature verification
failures for modules where QAT device is present and the modules
are signed with rsa,sha256.

Cc: <stable@vger.kernel.org>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Conor McLoughlin <conor.mcloughlin@intel.com>
Reviewed-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 crypto/testmgr.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -548,7 +548,7 @@ static const struct akcipher_testvec rsa
 static const struct akcipher_testvec pkcs1pad_rsa_tv_template[] = {
 	{
 	.key =
-	"\x30\x82\x03\x1f\x02\x01\x10\x02\x82\x01\x01\x00\xd7\x1e\x77\x82"
+	"\x30\x82\x03\x1f\x02\x01\x00\x02\x82\x01\x01\x00\xd7\x1e\x77\x82"
 	"\x8c\x92\x31\xe7\x69\x02\xa2\xd5\x5c\x78\xde\xa2\x0c\x8f\xfe\x28"
 	"\x59\x31\xdf\x40\x9c\x60\x61\x06\xb9\x2f\x62\x40\x80\x76\xcb\x67"
 	"\x4a\xb5\x59\x56\x69\x17\x07\xfa\xf9\x4c\xbd\x6c\x37\x7a\x46\x7d"
@@ -597,8 +597,8 @@ static const struct akcipher_testvec pkc
 	"\xfe\xf8\x27\x1b\xd6\x55\x60\x5e\x48\xb7\x6d\x9a\xa8\x37\xf9\x7a"
 	"\xde\x1b\xcd\x5d\x1a\x30\xd4\xe9\x9e\x5b\x3c\x15\xf8\x9c\x1f\xda"
 	"\xd1\x86\x48\x55\xce\x83\xee\x8e\x51\xc7\xde\x32\x12\x47\x7d\x46"
-	"\xb8\x35\xdf\x41\x02\x01\x30\x02\x01\x30\x02\x01\x30\x02\x01\x30"
-	"\x02\x01\x30",
+	"\xb8\x35\xdf\x41\x02\x01\x00\x02\x01\x00\x02\x01\x00\x02\x01\x00"
+	"\x02\x01\x00",
 	.key_len = 804,
 	/*
 	 * m is SHA256 hash of following message: