giomba
/
opensc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

OpenPGP: Support another variant of PUT DATA to write to Extended Header list.

This commit is contained in:
Nguyễn Hồng Quân 2012-05-30 17:31:39 +07:00 committed by Viktor Tarasov
parent fefe8bf2e6
commit 9dd5a64d43
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/libopensc/card-openpgp.c
View File

@ -1095,6 +1095,9 @@ pgp_put_data(sc_card_t *card, unsigned int tag, const u8 *buf, size_t buf_len)
sc_apdu_t apdu;
struct pgp_priv_data *priv = DRVDATA(card);
struct blob *affected_blob = NULL;
u8 ins = 0xDA;
u8 p1 = tag >> 8;
u8 p2 = tag;
int r;
LOG_FUNC_CALLED(card->ctx);
@ -1115,19 +1118,26 @@ pgp_put_data(sc_card_t *card, unsigned int tag, const u8 *buf, size_t buf_len)
return SC_ERROR_WRONG_LENGTH;
}
/* Extended Header list (004D DO) needs a variant of PUT DATA command */
if (tag == 0x004D) {
ins = 0xDB;
p1 = 0x3F;
p2 = 0xFF;
}
/* Build APDU */
/* Large data can be sent via extended APDU, if card supports */
if (buf_len > 0xFF && card->caps & SC_CARD_CAP_APDU_EXT) {
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_EXT, 0xDA, tag >> 8, tag);
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_EXT, ins, p1, p2);
}
/* Card/Reader does not support extended, use command chaining, if supported */
else if (buf_len > 0xFF && priv->ext_caps & EXT_CAP_CHAINING) {
sc_format_apdu(card, &apdu, SC_APDU_CASE_3, 0xDA, tag >> 8, tag);
sc_format_apdu(card, &apdu, SC_APDU_CASE_3, ins, p1, p2);
apdu.flags |= SC_APDU_FLAGS_CHAINING;
/* FIXME: The case of command chaining is not tested. */
}
else if (buf_len <= 0xFF) {
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0xDA, tag >> 8, tag);
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, ins, p1, p2);
}
else {
sc_log(card->ctx, "Data is too big to send.");