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author | Werner Koch <[email protected]> | 2024-02-21 14:55:14 +0000 |
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committer | Werner Koch <[email protected]> | 2024-02-21 14:55:14 +0000 |
commit | 2372f6a4035cefd5ac1852e95dc50de89cc73af6 (patch) | |
tree | 594a72eb084e128286d258dc0fd978e255be49d4 | |
parent | wks: Allow command style args for gpg-wks-client. (diff) | |
download | gnupg-2372f6a4035cefd5ac1852e95dc50de89cc73af6.tar.gz gnupg-2372f6a4035cefd5ac1852e95dc50de89cc73af6.zip |
gpg: Fix gpg_mpi_write for the unused opaque case.
* g10/build-packet.c (gpg_mpi_write): Take care of the fact that
get_opaque already returns a bit-exact value.
--
Fixes-commit: ab17f7b6c392782718f57eaea94fc18a0ff49389
Reported-by: Falko Strenzke <[email protected]>
-rw-r--r-- | g10/build-packet.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/g10/build-packet.c b/g10/build-packet.c index 67d4a6eef..19a13760a 100644 --- a/g10/build-packet.c +++ b/g10/build-packet.c @@ -306,7 +306,9 @@ gpg_mpi_write (iobuf_t out, gcry_mpi_t a, unsigned int *r_nwritten) p = gcry_mpi_get_opaque (a, &nbits); if (p) { - /* Strip leading zero bits. */ + /* First get nbits back to full bytes. */ + nbits = ((nbits + 7) / 8) * 8; + /* Then strip leading zero bits. */ for (; nbits >= 8 && !*p; p++, nbits -= 8) ; if (nbits >= 8 && !(*p & 0x80)) |