gpgsm: Strip trailing zeroes from detached signatures.

* common/ksba-io-support.c: Include tlv.h
(struct reader_cb_parm_s): Add new fields.
(starts_with_sequence): New.
(simple_reader_cb): Handle stripping.
* common/ksba-io-support.h (GNUPG_KSBA_IO_STRIP): New.
(gnupg_ksba_create_reader): Handle the new flag.
* sm/verify.c (gpgsm_verify): Use the new flag for detached
signatures.
--

Note that this works only if --assume-binary is given.  The use case
for the feature is PDF signature checking where the PDF specs require
that the detached signature is padded with zeroes.

1 files changed, 1 insertions, 2 deletions

diff --git a/common/tlv.c b/common/tlv.c
index 9618d04cb..4cc1dc7cf 100644
--- a/common/tlv.c
+++ b/common/tlv.c
@@ -156,8 +156,7 @@ gpg_error_t
 parse_ber_header (unsigned char const **buffer, size_t *size,
                   int *r_class, int *r_tag,
                   int *r_constructed, int *r_ndef,
-                  size_t *r_length, size_t *r_nhdr)
-{
+                  size_t *r_length, size_t *r_nhdr){
   int c;
   unsigned long tag;
   const unsigned char *buf = *buffer;