diff options
Diffstat (limited to 'g10/call-agent.c')
| -rw-r--r-- | g10/call-agent.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/g10/call-agent.c b/g10/call-agent.c index cded773c8..373d8c9b7 100644 --- a/g10/call-agent.c +++ b/g10/call-agent.c @@ -1034,7 +1034,7 @@ agent_scd_pksign (const char *serialno, int hashalgo, /* Decrypt INDATA of length INDATALEN using the card identified by - SERIALNO. Return the plaintext in a nwly allocated buffer stored + SERIALNO. Return the plaintext in a newly allocated buffer stored at the address of R_BUF. Note, we currently support only RSA or more exactly algorithms @@ -1058,20 +1058,26 @@ agent_scd_pkdecrypt (const char *serialno, return rc; /* FIXME: use secure memory where appropriate */ - if (indatalen*2 + 50 > DIM(line)) - return gpg_error (GPG_ERR_GENERAL); rc = select_openpgp (serialno); if (rc) return rc; - sprintf (line, "SCD SETDATA "); - p = line + strlen (line); - for (i=0; i < indatalen ; i++, p += 2 ) - sprintf (p, "%02X", indata[i]); - rc = assuan_transact (agent_ctx, line, NULL, NULL, NULL, NULL, NULL, NULL); + for (len = 0; len < indatalen;) + { + p = stpcpy (line, "SCD SETDATA "); + if (len) + p = stpcpy (p, "--append "); + for (i=0; len < indatalen && (i*2 < DIM(line)-50); i++, len++) + { + sprintf (p, "%02X", indata[len]); + p += 2; + } + rc = assuan_transact (agent_ctx, line, + NULL, NULL, NULL, NULL, NULL, NULL); if (rc) return rc; + } init_membuf (&data, 1024); snprintf (line, DIM(line)-1, "SCD PKDECRYPT %s", serialno); |