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Implement decryption for TCOS 3 cards.

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This commit is contained in:
Werner Koch 2009-03-30 12:46:06 +00:00
parent 990585ad7d
commit 98e1a75e20
13 changed files with 277 additions and 121 deletions
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37
scd/iso7816.c
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@ -213,7 +213,7 @@ iso7816_list_directory (int slot, int list_dirs,
*result = NULL;
*resultlen = 0;
sw = apdu_send (slot, 0x80, 0xAA, list_dirs? 1:2, 0, -1, NULL,
sw = apdu_send (slot, 0, 0x80, 0xAA, list_dirs? 1:2, 0, -1, NULL,
result, resultlen);
if (sw != SW_SUCCESS)
{
@ -244,7 +244,7 @@ iso7816_apdu_direct (int slot, const void *apdudata, size_t apdudatalen,
*result = NULL;
*resultlen = 0;
sw = apdu_send_direct (slot, apdudata, apdudatalen, handle_more,
sw = apdu_send_direct (slot, 0, apdudata, apdudatalen, handle_more,
result, resultlen);
if (!sw)
{
@ -430,7 +430,7 @@ iso7816_get_data (int slot, int tag,
*result = NULL;
*resultlen = 0;
sw = apdu_send (slot, 0x00, CMD_GET_DATA,
sw = apdu_send (slot, 0, 0x00, CMD_GET_DATA,
((tag >> 8) & 0xff), (tag & 0xff), -1, NULL,
result, resultlen);
if (sw != SW_SUCCESS)
@ -462,7 +462,7 @@ iso7816_put_data (int slot, int extended_mode, int tag,
return map_sw (sw);
}
/* Same as iso7816_put_data but uses an odd instrcution byte. */
/* Same as iso7816_put_data but uses an odd instruction byte. */
gpg_error_t
iso7816_put_data_odd (int slot, int extended_mode, int tag,
const unsigned char *data, size_t datalen)
@ -509,7 +509,8 @@ 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, (const char*)data,
sw = apdu_send (slot, 0,
0x00, CMD_PSO, 0x9E, 0x9A, datalen, (const char*)data,
result, resultlen);
if (sw != SW_SUCCESS)
{
@ -530,7 +531,8 @@ iso7816_compute_ds (int slot, const unsigned char *data, size_t datalen,
and the plaintext is available in a newly allocated buffer stored
at RESULT with its length stored at RESULTLEN. */
gpg_error_t
iso7816_decipher (int slot, const unsigned char *data, size_t datalen,
iso7816_decipher (int slot, int extended_mode,
const unsigned char *data, size_t datalen,
int padind, unsigned char **result, size_t *resultlen)
{
int sw;
@ -547,17 +549,19 @@ iso7816_decipher (int slot, const unsigned char *data, size_t datalen,
buf = xtrymalloc (datalen + 1);
if (!buf)
return gpg_error (gpg_err_code_from_errno (errno));
*buf = padind; /* Padding indicator. */
memcpy (buf+1, data, datalen);
sw = apdu_send (slot, 0x00, CMD_PSO, 0x80, 0x86,
sw = apdu_send (slot, extended_mode,
0x00, CMD_PSO, 0x80, 0x86,
datalen+1, (char*)buf,
result, resultlen);
xfree (buf);
}
else
{
sw = apdu_send (slot, 0x00, CMD_PSO, 0x80, 0x86,
sw = apdu_send (slot, extended_mode,
0x00, CMD_PSO, 0x80, 0x86,
datalen, (const char *)data,
result, resultlen);
}
@ -586,7 +590,7 @@ iso7816_internal_authenticate (int slot,
*result = NULL;
*resultlen = 0;
sw = apdu_send (slot, 0x00, CMD_INTERNAL_AUTHENTICATE, 0, 0,
sw = apdu_send (slot, 0, 0x00, CMD_INTERNAL_AUTHENTICATE, 0, 0,
datalen, (const char*)data, result, resultlen);
if (sw != SW_SUCCESS)
{
@ -613,7 +617,8 @@ do_generate_keypair (int slot, int readonly,
*result = NULL;
*resultlen = 0;
sw = apdu_send (slot, 0x00, CMD_GENERATE_KEYPAIR, readonly? 0x81:0x80, 0,
sw = apdu_send (slot, 0,
0x00, CMD_GENERATE_KEYPAIR, readonly? 0x81:0x80, 0,
datalen, (const char*)data, result, resultlen);
if (sw != SW_SUCCESS)
{
@ -661,8 +666,8 @@ iso7816_get_challenge (int slot, int length, unsigned char *buffer)
{
result = NULL;
n = length > 254? 254 : length;
sw = apdu_send_le (slot, 0x00, CMD_GET_CHALLENGE, 0, 0, -1, NULL,
n,
sw = apdu_send_le (slot, 0,
0x00, CMD_GET_CHALLENGE, 0, 0, -1, NULL, n,
&result, &resultlen);
if (sw != SW_SUCCESS)
{
@ -711,13 +716,13 @@ iso7816_read_binary (int slot, size_t offset, size_t nmax,
buffer = NULL;
bufferlen = 0;
n = read_all? 0 : nmax;
sw = apdu_send_le (slot, 0x00, CMD_READ_BINARY,
sw = apdu_send_le (slot, 0, 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,
sw = apdu_send_le (slot, 0, 0x00, CMD_READ_BINARY,
((offset>>8) & 0xff), (offset & 0xff) , -1, NULL,
n, &buffer, &bufferlen);
}
@ -804,7 +809,7 @@ iso7816_read_record (int slot, int recno, int reccount, int short_ef,
buffer = NULL;
bufferlen = 0;
sw = apdu_send_le (slot, 0x00, CMD_READ_RECORD,
sw = apdu_send_le (slot, 0, 0x00, CMD_READ_RECORD,
recno,
short_ef? short_ef : 0x04,
-1, NULL,