security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-07-02 22:46:30 +02:00
Code Activity

Updated card stuff to support T=0 cards.

Browse source
This commit is contained in:
Werner Koch 2005-09-07 17:05:42 +00:00
parent 9a2a2904cc
commit b4b9f891e2
9 changed files with 394 additions and 459 deletions
Download patch file Download diff file Expand all files Collapse all files

78
g10/iso7816.c
View file

@ -78,6 +78,7 @@ map_sw (int sw)
case SW_RECORD_NOT_FOUND:ec= GPG_ERR_NOT_FOUND; break;
case SW_REF_NOT_FOUND: ec = GPG_ERR_NO_OBJ; break;
case SW_BAD_P0_P1: ec = GPG_ERR_INV_VALUE; break;
case SW_EXACT_LENGTH: ec = GPG_ERR_INV_VALUE; break;
case SW_INS_NOT_SUP: ec = GPG_ERR_CARD; break;
case SW_CLA_NOT_SUP: ec = GPG_ERR_CARD; break;
case SW_SUCCESS: ec = 0; break;
@ -154,7 +155,7 @@ iso7816_select_file (int slot, int tag, int is_dir,
p0 = (tag == 0x3F00)? 0: is_dir? 1:2;
p1 = 0x0c; /* No FC return. */
sw = apdu_send_simple (slot, 0x00, CMD_SELECT_FILE,
p0, p1, 2, tagbuf );
p0, p1, 2, (char*)tagbuf );
return map_sw (sw);
}
@ -162,6 +163,39 @@ iso7816_select_file (int slot, int tag, int is_dir,
}
/* Do a select file command with a direct path. */
gpg_error_t
iso7816_select_path (int slot, const unsigned short *path, size_t pathlen,
unsigned char **result, size_t *resultlen)
{
int sw, p0, p1;
unsigned char buffer[100];
int buflen;
if (result || resultlen)
{
*result = NULL;
*resultlen = 0;
return gpg_error (GPG_ERR_NOT_IMPLEMENTED);
}
if (pathlen/2 >= sizeof buffer)
return gpg_error (GPG_ERR_TOO_LARGE);
for (buflen = 0; pathlen; pathlen--, path++)
{
buffer[buflen++] = (*path >> 8);
buffer[buflen++] = *path;
}
p0 = 0x08;
p1 = 0x0c; /* No FC return. */
sw = apdu_send_simple (slot, 0x00, CMD_SELECT_FILE,
p0, p1, buflen, (char*)buffer );
return map_sw (sw);
}
/* This is a private command currently only working for TCOS cards. */
gpg_error_t
iso7816_list_directory (int slot, int list_dirs,
@ -286,7 +320,7 @@ iso7816_put_data (int slot, int tag,
sw = apdu_send_simple (slot, 0x00, CMD_PUT_DATA,
((tag >> 8) & 0xff), (tag & 0xff),
datalen, data);
datalen, (const char*)data);
return map_sw (sw);
}
@ -300,10 +334,11 @@ iso7816_manage_security_env (int slot, int p1, int p2,
{
int sw;
if (p1 < 0 || p1 > 255 || p2 < 0 || p2 > 255 || !data || !datalen)
if (p1 < 0 || p1 > 255 || p2 < 0 || p2 > 255 )
return gpg_error (GPG_ERR_INV_VALUE);
sw = apdu_send_simple (slot, 0x00, CMD_MSE, p1, p2, datalen, data);
sw = apdu_send_simple (slot, 0x00, CMD_MSE, p1, p2,
data? datalen : -1, (const char*)data);
return map_sw (sw);
}
@ -323,7 +358,7 @@ iso7816_compute_ds (int slot, const unsigned char *data, size_t datalen,
*result = NULL;
*resultlen = 0;
sw = apdu_send (slot, 0x00, CMD_PSO, 0x9E, 0x9A, datalen, data,
sw = apdu_send (slot, 0x00, CMD_PSO, 0x9E, 0x9A, datalen, (const char*)data,
result, resultlen);
if (sw != SW_SUCCESS)
{
@ -364,13 +399,15 @@ iso7816_decipher (int slot, const unsigned char *data, size_t datalen,
*buf = padind; /* Padding indicator. */
memcpy (buf+1, data, datalen);
sw = apdu_send (slot, 0x00, CMD_PSO, 0x80, 0x86, datalen+1, buf,
sw = apdu_send (slot, 0x00, CMD_PSO, 0x80, 0x86,
datalen+1, (char*)buf,
result, resultlen);
xfree (buf);
}
else
{
sw = apdu_send (slot, 0x00, CMD_PSO, 0x80, 0x86, datalen, data,
sw = apdu_send (slot, 0x00, CMD_PSO, 0x80, 0x86,
datalen, (const char *)data,
result, resultlen);
}
if (sw != SW_SUCCESS)
@ -399,7 +436,7 @@ iso7816_internal_authenticate (int slot,
*resultlen = 0;
sw = apdu_send (slot, 0x00, CMD_INTERNAL_AUTHENTICATE, 0, 0,
datalen, data, result, resultlen);
datalen, (const char*)data, result, resultlen);
if (sw != SW_SUCCESS)
{
/* Make sure that pending buffers are released. */
@ -426,7 +463,7 @@ do_generate_keypair (int slot, int readonly,
*resultlen = 0;
sw = apdu_send (slot, 0x00, CMD_GENERATE_KEYPAIR, readonly? 0x81:0x80, 0,
datalen, data, result, resultlen);
datalen, (const char*)data, result, resultlen);
if (sw != SW_SUCCESS)
{
/* Make sure that pending buffers are released. */
@ -522,8 +559,10 @@ iso7816_read_binary (int slot, size_t offset, size_t nmax,
{
buffer = NULL;
bufferlen = 0;
/* Fixme: Either the ccid driver or the TCOS cards have problems
with an Le of 0. */
/* Note, that we to set N to 254 due to problems either with the
ccid driver or some TCOS cards. It actually should be 0
which is the official ISO value to read a variable length
object. */
if (read_all || nmax > 254)
n = 254;
else
@ -531,6 +570,21 @@ iso7816_read_binary (int slot, size_t offset, size_t nmax,
sw = apdu_send_le (slot, 0x00, CMD_READ_BINARY,
((offset>>8) & 0xff), (offset & 0xff) , -1, NULL,
n, &buffer, &bufferlen);
if ( SW_EXACT_LENGTH_P(sw) )
{
n = (sw & 0x00ff);
sw = apdu_send_le (slot, 0x00, CMD_READ_BINARY,
((offset>>8) & 0xff), (offset & 0xff) , -1, NULL,
n, &buffer, &bufferlen);
}
if (*result && sw == SW_BAD_P0_P1)
{
/* Bad Parameter means that the offset is outside of the
EF. When reading all data we take this as an indication
for EOF. */
break;
}
if (sw != SW_SUCCESS && sw != SW_EOF_REACHED)
{
@ -606,7 +660,7 @@ iso7816_read_record (int slot, int recno, int reccount, int short_ef,
buffer = NULL;
bufferlen = 0;
/* Fixme: Either the ccid driver of the TCOS cards have problems
/* Fixme: Either the ccid driver or the TCOS cards have problems
with an Le of 0. */
sw = apdu_send_le (slot, 0x00, CMD_READ_RECORD,
recno,