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* [GIT PULL] Kselftest update for Linux 5.14-rc6
@ 2021-08-13 20:28 Shuah Khan
  2021-08-14  1:12 ` pr-tracker-bot
  0 siblings, 1 reply; 2+ messages in thread
From: Shuah Khan @ 2021-08-13 20:28 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: Shuah Khan, linux-kselftest, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 1295 bytes --]

Hi Linus,

Please pull the following Kselftest fixes update for Linux 5.14-rc6

This Kselftest fixes update for Linux 5.14-rc6 consists of a single patch
to sgx test to fix Q1 and Q2 calculation.

diff is attached.

thanks,
-- Shuah

----------------------------------------------------------------
The following changes since commit 2734d6c1b1a089fb593ef6a23d4b70903526fe0c:

   Linux 5.14-rc2 (2021-07-18 14:13:49 -0700)

are available in the Git repository at:

   git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-fixes-5.14-rc6

for you to fetch changes up to 567c39047dbee341244fe3bf79fea24ee0897ff9:

   selftests/sgx: Fix Q1 and Q2 calculation in sigstruct.c (2021-07-30 17:20:01 -0600)

----------------------------------------------------------------
linux-kselftest-fixes-5.14-rc6

This Kselftest fixes update for Linux 5.14-rc6 consists of a single patch
to sgx test to fix Q1 and Q2 calculation.

----------------------------------------------------------------
Tianjia Zhang (1):
       selftests/sgx: Fix Q1 and Q2 calculation in sigstruct.c

  tools/testing/selftests/sgx/sigstruct.c | 41 +++++++++++++++++----------------
  1 file changed, 21 insertions(+), 20 deletions(-)
----------------------------------------------------------------

[-- Attachment #2: linux-kselftest-fixes-5.14-rc6.diff --]
[-- Type: text/x-patch, Size: 1819 bytes --]

diff --git a/tools/testing/selftests/sgx/sigstruct.c b/tools/testing/selftests/sgx/sigstruct.c
index dee7a3d6c5a5..92bbc5a15c39 100644
--- a/tools/testing/selftests/sgx/sigstruct.c
+++ b/tools/testing/selftests/sgx/sigstruct.c
@@ -55,10 +55,27 @@ static bool alloc_q1q2_ctx(const uint8_t *s, const uint8_t *m,
 	return true;
 }
 
+static void reverse_bytes(void *data, int length)
+{
+	int i = 0;
+	int j = length - 1;
+	uint8_t temp;
+	uint8_t *ptr = data;
+
+	while (i < j) {
+		temp = ptr[i];
+		ptr[i] = ptr[j];
+		ptr[j] = temp;
+		i++;
+		j--;
+	}
+}
+
 static bool calc_q1q2(const uint8_t *s, const uint8_t *m, uint8_t *q1,
 		      uint8_t *q2)
 {
 	struct q1q2_ctx ctx;
+	int len;
 
 	if (!alloc_q1q2_ctx(s, m, &ctx)) {
 		fprintf(stderr, "Not enough memory for Q1Q2 calculation\n");
@@ -89,8 +106,10 @@ static bool calc_q1q2(const uint8_t *s, const uint8_t *m, uint8_t *q1,
 		goto out;
 	}
 
-	BN_bn2bin(ctx.q1, q1);
-	BN_bn2bin(ctx.q2, q2);
+	len = BN_bn2bin(ctx.q1, q1);
+	reverse_bytes(q1, len);
+	len = BN_bn2bin(ctx.q2, q2);
+	reverse_bytes(q2, len);
 
 	free_q1q2_ctx(&ctx);
 	return true;
@@ -152,22 +171,6 @@ static RSA *gen_sign_key(void)
 	return key;
 }
 
-static void reverse_bytes(void *data, int length)
-{
-	int i = 0;
-	int j = length - 1;
-	uint8_t temp;
-	uint8_t *ptr = data;
-
-	while (i < j) {
-		temp = ptr[i];
-		ptr[i] = ptr[j];
-		ptr[j] = temp;
-		i++;
-		j--;
-	}
-}
-
 enum mrtags {
 	MRECREATE = 0x0045544145524345,
 	MREADD = 0x0000000044444145,
@@ -367,8 +370,6 @@ bool encl_measure(struct encl *encl)
 	/* BE -> LE */
 	reverse_bytes(sigstruct->signature, SGX_MODULUS_SIZE);
 	reverse_bytes(sigstruct->modulus, SGX_MODULUS_SIZE);
-	reverse_bytes(sigstruct->q1, SGX_MODULUS_SIZE);
-	reverse_bytes(sigstruct->q2, SGX_MODULUS_SIZE);
 
 	EVP_MD_CTX_destroy(ctx);
 	RSA_free(key);

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [GIT PULL] Kselftest update for Linux 5.14-rc6
  2021-08-13 20:28 [GIT PULL] Kselftest update for Linux 5.14-rc6 Shuah Khan
@ 2021-08-14  1:12 ` pr-tracker-bot
  0 siblings, 0 replies; 2+ messages in thread
From: pr-tracker-bot @ 2021-08-14  1:12 UTC (permalink / raw)
  To: Shuah Khan; +Cc: Linus Torvalds, Shuah Khan, linux-kselftest, linux-kernel

The pull request you sent on Fri, 13 Aug 2021 14:28:50 -0600:

> git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-fixes-5.14-rc6

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/a83ed2257774071e2d821ec361954782a7c01f8f

Thank you!

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