1 files changed, 0 insertions, 76 deletions
diff --git a/poky/meta/recipes-support/libgcrypt/files/CVE-2018-0495.patch b/poky/meta/recipes-support/libgcrypt/files/CVE-2018-0495.patch
deleted file mode 100644
index c16bd3abd..000000000
--- a/poky/meta/recipes-support/libgcrypt/files/CVE-2018-0495.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-From 9010d1576e278a4274ad3f4aa15776c28f6ba965 Mon Sep 17 00:00:00 2001
-From: NIIBE Yutaka <gniibe@fsij.org>
-Date: Wed, 13 Jun 2018 15:28:58 +0900
-Subject: [PATCH] ecc: Add blinding for ECDSA.
-
-* cipher/ecc-ecdsa.c (_gcry_ecc_ecdsa_sign): Blind secret D with
-randomized nonce B.
-
---
-
-Reported-by: Keegan Ryan <Keegan.Ryan@nccgroup.trust>
-CVE-id: CVE-2018-0495
-
-Upstream-Status: Backport [http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=9010d1576e278a4274ad3f4aa15776c28f6ba965]
-
-Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
-Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com>
----
- cipher/ecc-ecdsa.c | 20 ++++++++++++++++++--
- 1 file changed, 18 insertions(+), 2 deletions(-)
-
-diff --git a/cipher/ecc-ecdsa.c b/cipher/ecc-ecdsa.c
-index 1484830b..140e8c09 100644
---- a/cipher/ecc-ecdsa.c
-+++ b/cipher/ecc-ecdsa.c
-@@ -50,6 +50,8 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input, ECC_secret_key *skey,
-   const void *abuf;
-   unsigned int abits, qbits;
-   mpi_ec_t ctx;
-+  gcry_mpi_t b;                /* Random number needed for blinding.  */
-+  gcry_mpi_t bi;               /* multiplicative inverse of B.        */
- 
-   if (DBG_CIPHER)
-     log_mpidump ("ecdsa sign hash  ", input );
-@@ -61,6 +63,15 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input, ECC_secret_key *skey,
-   if (rc)
-     return rc;
- 
-+  b  = mpi_snew (qbits);
-+  bi = mpi_snew (qbits);
-+  do
-+    {
-+      _gcry_mpi_randomize (b, qbits, GCRY_WEAK_RANDOM);
-+      mpi_mod (b, b, skey->E.n);
-+    }
-+  while (!mpi_invm (bi, b, skey->E.n));
-+
-   k = NULL;
-   dr = mpi_alloc (0);
-   sum = mpi_alloc (0);
-@@ -115,8 +126,11 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input, ECC_secret_key *skey,
-         }
-       while (!mpi_cmp_ui (r, 0));
- 
--      mpi_mulm (dr, skey->d, r, skey->E.n); /* dr = d*r mod n  */
--      mpi_addm (sum, hash, dr, skey->E.n);  /* sum = hash + (d*r) mod n  */
-+      mpi_mulm (dr, b, skey->d, skey->E.n);
-+      mpi_mulm (dr, dr, r, skey->E.n);      /* dr = d*r mod n (blinded with b) */
-+      mpi_mulm (sum, b, hash, skey->E.n);
-+      mpi_addm (sum, sum, dr, skey->E.n);   /* sum = hash + (d*r) mod n  (blinded with b) */
-+      mpi_mulm (sum, bi, sum, skey->E.n);   /* undo blinding by b^-1 */
-       mpi_invm (k_1, k, skey->E.n);         /* k_1 = k^(-1) mod n  */
-       mpi_mulm (s, k_1, sum, skey->E.n);    /* s = k^(-1)*(hash+(d*r)) mod n */
-     }
-@@ -129,6 +143,8 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input, ECC_secret_key *skey,
-     }
- 
-  leave:
-+  mpi_free (b);
-+  mpi_free (bi);
-   _gcry_mpi_ec_free (ctx);
-   point_free (&I);
-   mpi_free (x);
--- 
-2.13.3
-