system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-11-05 18:23:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

linux-kselftest-fixes-5.14-rc6

Browse source 
This Kselftest fixes update for Linux 5.14-rc6 consists of a single patch
 to sgx test to fix Q1 and Q2 calculation.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmEW0ZkACgkQCwJExA0N
 QxzJ2BAAvybJttpYcfSPPAjtMksWLR96QbMiU9AbgwMrBNePKwdnAwg21uI1qEKT
 HOEED0LqmPN3dcUMPtLAj/yGBMXu/ByAL3/A1q613JUatauUyT1hZp870vbSac8+
 RB+RNGa9Hgw8Xg0tAGgtdCMr5p46lE/6oGeAY179DTsm5Haj0x0Kho87REWaAKL+
 xvPtD+SEBNm4yOUlUzUlmeO30g/Zjh0WJRp7biEarhx+z/HS7kE43G88NGJY32Vf
 MYmAIEf7dOw9Z3ZFyng6K5l6DPM5pep6FTI6GP1EKbFse4YdGYE573qSDfsusDGv
 9XKTZny4WIcKUXMR6vCM4vGaruOavhLtJLM7L8/FEOFcGfr+LH4RRxikSG1YSxwv
 L8wvdzYw3pY3agovaR1zLqTlXIYi281EXhpAorQFA+r3PySCXXkOb+ZhtYUbXUId
 3qQj6fuvMv094mR38a5C+yAwFV6V6ojmQjho2XZfkMaoSYFGsMt0L23zHpsnbmb/
 frTakZaLkUY2Y9mZ06JaevhP6ebtYBYj6yOwFz3JRqi7rt/ArL7OsfKdEoDNNzQE
 LwDWOzkvBRTZuZ9CbYTxQpKT0rnSGhZpBig+hBFKGZkqOd4884Z6L5eBB7DQLZ/F
 rifqdxtxiHZO4Q7WikebvSX7M+LXUJzOIrQML4acxkQjiNVoGYw=
 =wKY6
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest fix from Shuah Khan:
 "A single patch to sgx test to fix Q1 and Q2 calculation"

* tag 'linux-kselftest-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/sgx: Fix Q1 and Q2 calculation in sigstruct.c
This commit is contained in:
Linus Torvalds 2021-08-13 14:32:38 -10:00
commit a83ed22577
1 changed files with 21 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
tools/testing/selftests/sgx/sigstruct.c
View file

@ -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);