agent: Replace some sprintf.

* agent/call-scd.c (agent_card_pksign): Replace sprintf by bin2hex.
* agent/command-ssh.c (ssh_identity_register): Ditto.
* agent/pkdecrypt.c (agent_pkdecrypt): Replace sprintf by
put_membuf_printf.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 4 insertions, 6 deletions

diff --git a/agent/call-scd.c b/agent/call-scd.c
index 289b2d95a..ade7ef1b9 100644
--- a/agent/call-scd.c
+++ b/agent/call-scd.c
@@ -822,8 +822,8 @@ agent_card_pksign (ctrl_t ctrl,
                    const unsigned char *indata, size_t indatalen,
                    unsigned char **r_buf, size_t *r_buflen)
 {
-  int rc, i;
-  char *p, line[ASSUAN_LINELENGTH];
+  int rc;
+  char line[ASSUAN_LINELENGTH];
   membuf_t data;
   struct inq_needpin_s inqparm;
 
@@ -835,10 +835,8 @@ agent_card_pksign (ctrl_t ctrl,
   if (indatalen*2 + 50 > DIM(line))
     return unlock_scd (ctrl, gpg_error (GPG_ERR_GENERAL));
 
-  sprintf (line, "SETDATA ");
-  p = line + strlen (line);
-  for (i=0; i < indatalen ; i++, p += 2 )
-    sprintf (p, "%02X", indata[i]);
+  bin2hex (indata, indatalen, stpcpy (line, "SETDATA "));
+
   rc = assuan_transact (ctrl->scd_local->ctx, line,
                         NULL, NULL, NULL, NULL, NULL, NULL);
   if (rc)