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gpg: Use opaque MPI for shared point.

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Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2019-11-22 16:03:43 +09:00
parent b73fef0376
commit 5b094067f7
1 changed files with 1 additions and 7 deletions
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8
g10/pubkey-enc.c
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@ -282,13 +282,7 @@ get_it (ctrl_t ctrl,
gcry_mpi_t decoded;
/* At the beginning the frame are the bytes of shared point MPI. */
err = gcry_mpi_scan (&shared_mpi, GCRYMPI_FMT_USG, frame, nframe, NULL);
if (err)
{
err = gpg_error (GPG_ERR_WRONG_SECKEY);
goto leave;
}
shared_mpi = gcry_mpi_set_opaque_copy (NULL, frame, nframe * 8);
err = pk_ecdh_decrypt (&decoded, fp, enc->data[1]/*encr data as an MPI*/,
shared_mpi, sk->pkey);
mpi_release (shared_mpi);