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scd:openpgp: Allow reading and writing user certs for keys 1 and 2

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* scd/iso7816.c (CMD_SELECT_DATA): New.
(iso7816_select_data): New.
* scd/app-openpgp.c (do_readcert): Allow OpenPGP.1 and OPENPGP.2
(do_writecert): Ditto.
(do_setattr): Add CERT-1 and CERT-2.
--

This has been tested with a Zeitcontrol 3.4 card.  A test with a
Yubikey 5 (firmware 5.2.6) claiming to support 3.4 failed.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 37b1c5c200)
This commit is contained in:
Werner Koch 2021-03-19 18:26:03 +01:00
parent b2363c1dd9
commit 57bfad2c39
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 127 additions and 22 deletions
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39
scd/iso7816.c
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@ -43,6 +43,7 @@
#define CMD_SELECT_FILE 0xA4
#define CMD_SELECT_DATA 0xA5
#define CMD_VERIFY ISO7816_VERIFY
#define CMD_CHANGE_REFERENCE_DATA ISO7816_CHANGE_REFERENCE_DATA
#define CMD_RESET_RETRY_COUNTER ISO7816_RESET_RETRY_COUNTER
@ -445,6 +446,44 @@ iso7816_reset_retry_counter (int slot, int chvno,
}
/* Perform a SELECT DATA command to OCCURANCE of TAG. */
gpg_error_t
iso7816_select_data (int slot, int occurrence, int tag)
{
int sw;
int datalen;
unsigned char data[7];
data[0] = 0x60;
data[2] = 0x5c;
if (tag <= 0xff)
{
data[3] = 1;
data[4] = tag;
datalen = 5;
}
else if (tag <= 0xffff)
{
data[3] = 2;
data[4] = (tag >> 8);
data[5] = tag;
datalen = 6;
}
else
{
data[3] = 3;
data[4] = (tag >> 16);
data[5] = (tag >> 8);
data[6] = tag;
datalen = 7;
}
data[1] = datalen - 2;
sw = apdu_send_le (slot, 0, 0x00, CMD_SELECT_DATA,
occurrence, 0x04, datalen, data, 0, NULL, NULL);
return map_sw (sw);
}
/* Perform a GET DATA command requesting TAG and storing the result in
a newly allocated buffer at the address passed by RESULT. Return