diff options
| -rw-r--r-- | g10/pkglue.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/g10/pkglue.c b/g10/pkglue.c index 9db8f46de..61c504186 100644 --- a/g10/pkglue.c +++ b/g10/pkglue.c @@ -331,6 +331,15 @@ pk_verify (pubkey_algo_t pkalgo, gcry_mpi_t hash, rc = gpg_error (GPG_ERR_BAD_MPI); else { + r = gcry_mpi_copy (r); + s = gcry_mpi_copy (s); + + if (!r || !s) + { + rc = gpg_error_from_syserror (); + goto leave; + } + /* We need to fixup the length in case of leading zeroes. * OpenPGP does not allow leading zeroes and the parser for * the signature packet has no information on the use curve, @@ -416,6 +425,7 @@ pk_verify (pubkey_algo_t pkalgo, gcry_mpi_t hash, if (!rc) rc = gcry_pk_verify (s_sig, s_hash, s_pkey); + leave: gcry_sexp_release (s_sig); gcry_sexp_release (s_hash); gcry_sexp_release (s_pkey); |