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51 lines
2 KiB
Diff
51 lines
2 KiB
Diff
From b5787296b70e61c93502181d5ca0f23502eeaebb Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Sun, 10 Mar 2013 19:39:14 +0100
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Subject: [PATCH 207/482] * grub-core/commands/verify.c
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(grub_verify_signature): Use unsigned operations to have intended shifts and
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not divisions.
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---
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ChangeLog | 5 +++++
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grub-core/commands/verify.c | 9 ++++++---
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2 files changed, 11 insertions(+), 3 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 334f81d..c2821c9 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,10 @@
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2013-03-10 Vladimir Serbinenko <phcoder@gmail.com>
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+ * grub-core/commands/verify.c (grub_verify_signature): Use unsigned
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+ operations to have intended shifts and not divisions.
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+
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+2013-03-10 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* grub-core/loader/i386/pc/plan9.c (fill_disk): Fix types to use
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intended shifts rather than division.
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diff --git a/grub-core/commands/verify.c b/grub-core/commands/verify.c
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index d399d0f..38bb941 100644
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--- a/grub-core/commands/verify.c
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+++ b/grub-core/commands/verify.c
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@@ -510,10 +510,13 @@ grub_verify_signature (grub_file_t f, grub_file_t sig,
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/* TRANSLATORS: %08x is 32-bit key id. */
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return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("public key %08x not found"), keyid);
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- int nbits = gcry_mpi_get_nbits (sk->mpis[1]);
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- grub_dprintf ("crypt", "must be %d bits got %d bits\n", (int)nbits, (int)(8 * hash->mdlen));
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+ unsigned nbits = gcry_mpi_get_nbits (sk->mpis[1]);
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+ grub_dprintf ("crypt", "must be %u bits got %d bits\n", nbits,
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+ (int)(8 * hash->mdlen));
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- if (gcry_mpi_scan (&hmpi, GCRYMPI_FMT_USG, hval, nbits / 8 < (int) hash->mdlen ? nbits / 8 : (int) hash->mdlen, 0))
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+ if (gcry_mpi_scan (&hmpi, GCRYMPI_FMT_USG, hval,
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+ nbits / 8 < (unsigned) hash->mdlen ? nbits / 8
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+ : (unsigned) hash->mdlen, 0))
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return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature"));
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if (!grub_crypto_pk_dsa)
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return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("module `%s' isn't loaded"), "gcry_dsa");
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--
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1.8.2.1
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