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| author | NIIBE Yutaka <gniibe@fsij.org> | 2022-05-10 15:44:19 +0900 |
|---|---|---|
| committer | NIIBE Yutaka <gniibe@fsij.org> | 2022-05-10 15:44:19 +0900 |
| commit | a611e3a25d61505698e2bb38ec2db38bc6a74820 (patch) | |
| tree | f78b075b2b63f89838a2d143adc057b101b01393 /mpi | |
| parent | 5dc97e855bb27705a548a297b666b7be7b1c59a3 (diff) | |
| download | libgcrypt-a611e3a25d61505698e2bb38ec2db38bc6a74820.tar.gz | |
mpi: Fix for 64-bit for _gcry_mpih_cmp_ui.
* mpi/mpih-const-time.c (_gcry_mpih_cmp_ui): Compare 64-bit
value correctly.
--
Reported-by: Guido Vranken <guidovranken@gmail.com>
GnuPG-bug-id: 5970
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
Diffstat (limited to 'mpi')
| -rw-r--r-- | mpi/mpih-const-time.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mpi/mpih-const-time.c b/mpi/mpih-const-time.c index b527ad79..9d74d190 100644 --- a/mpi/mpih-const-time.c +++ b/mpi/mpih-const-time.c @@ -204,6 +204,13 @@ _gcry_mpih_cmp_ui (mpi_ptr_t up, mpi_size_t usize, unsigned long v) is_all_zero &= (up[i] == 0); if (is_all_zero) - return up[0] - v; + { + if (up[0] < v) + return -1; + else if (up[0] > v) + return 1; + else + return 0; + } return 1; } |