diff options
Diffstat (limited to 'g10/call-agent.c')
| -rw-r--r-- | g10/call-agent.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/g10/call-agent.c b/g10/call-agent.c index 6333586fb..03ea1685f 100644 --- a/g10/call-agent.c +++ b/g10/call-agent.c @@ -914,144 +914,6 @@ membuf_data_cb (void *opaque, const void *buffer, size_t length) } -/* Helper returning a command option to describe the used hash - algorithm. See scd/command.c:cmd_pksign. */ -static const char * -hash_algo_option (int algo) -{ - switch (algo) - { - case GCRY_MD_RMD160: return "--hash=rmd160"; - case GCRY_MD_SHA1 : return "--hash=sha1"; - case GCRY_MD_SHA224: return "--hash=sha224"; - case GCRY_MD_SHA256: return "--hash=sha256"; - case GCRY_MD_SHA384: return "--hash=sha384"; - case GCRY_MD_SHA512: return "--hash=sha512"; - case GCRY_MD_MD5 : return "--hash=md5"; - default: return ""; - } -} - - -/* Send a sign command to the scdaemon via gpg-agent's pass thru - mechanism. */ -int -agent_scd_pksign (const char *serialno, int hashalgo, - const unsigned char *indata, size_t indatalen, - unsigned char **r_buf, size_t *r_buflen) -{ - int rc; - char line[ASSUAN_LINELENGTH]; - membuf_t data; - size_t len; - - /* Note, hashalgo is not yet used but hardwired to SHA1 in SCdaemon. */ - - *r_buf = NULL; - *r_buflen = 0; - - rc = start_agent (NULL, 1); - if (gpg_err_code (rc) == GPG_ERR_CARD_NOT_PRESENT - || gpg_err_code (rc) == GPG_ERR_NOT_SUPPORTED) - rc = 0; /* We check later. */ - if (rc) - return rc; - - if (indatalen*2 + 50 > DIM(line)) - return gpg_error (GPG_ERR_GENERAL); - - rc = select_openpgp (serialno); - if (rc) - return rc; - - strcpy (line, "SCD SETDATA "); - bin2hex (indata, indatalen, line + strlen (line)); - - rc = assuan_transact (agent_ctx, line, NULL, NULL, NULL, NULL, NULL, NULL); - if (rc) - return rc; - - init_membuf (&data, 1024); - /* if (!hashalgo) /\* Temporary test hack. *\/ */ - /* snprintf (line, DIM(line)-1, "SCD PKAUTH %s", serialno); */ - /* else */ - snprintf (line, DIM(line)-1, "SCD PKSIGN %s %s", - hash_algo_option (hashalgo), serialno); - line[DIM(line)-1] = 0; - rc = assuan_transact (agent_ctx, line, membuf_data_cb, &data, - default_inq_cb, NULL, NULL, NULL); - if (rc) - { - xfree (get_membuf (&data, &len)); - } - else - *r_buf = get_membuf (&data, r_buflen); - - status_sc_op_failure (rc); - return rc; -} - - -/* Decrypt INDATA of length INDATALEN using the card identified by - SERIALNO. Return the plaintext in a nwly allocated buffer stored - at the address of R_BUF. - - Note, we currently support only RSA or more exactly algorithms - taking one input data element. */ -int -agent_scd_pkdecrypt (const char *serialno, - const unsigned char *indata, size_t indatalen, - unsigned char **r_buf, size_t *r_buflen) -{ - int rc; - char line[ASSUAN_LINELENGTH]; - membuf_t data; - size_t len; - - *r_buf = NULL; - rc = start_agent (NULL, 1); - if (gpg_err_code (rc) == GPG_ERR_CARD_NOT_PRESENT - || gpg_err_code (rc) == GPG_ERR_NOT_SUPPORTED) - rc = 0; /* We check later. */ - if (rc) - 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; - - strcpy (line, "SCD SETDATA "); - bin2hex (indata, indatalen, line + strlen (line)); - - 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); - line[DIM(line)-1] = 0; - rc = assuan_transact (agent_ctx, line, - membuf_data_cb, &data, - default_inq_cb, NULL, NULL, NULL); - if (rc) - { - xfree (get_membuf (&data, &len)); - } - else - { - *r_buf = get_membuf (&data, r_buflen); - if (!*r_buf) - rc = gpg_error (GPG_ERR_ENOMEM); - } - - status_sc_op_failure (rc); - return rc; -} - /* Send a READCERT command to the SCdaemon. */ |