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scd:p15: Add support for D-Trust Card 4.1/4.4

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* scd/app-p15.c (CARD_PRODUCT_DTRUST4) New.
(app_select_p15): This cards uses a different AID for PKCS#15
application
(do_sign): The card doesn't support MSE SET, but requires MSE RESTORE to
a predefined template.
(do_decipher): Ditto.
This commit is contained in:
Mario Haustein via Gnupg-devel 2023-11-28 23:09:26 +01:00 committed by Werner Koch
parent 812f988059
commit 0b85a9ac09
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 71 additions and 9 deletions
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80
scd/app-p15.c
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@ -88,7 +88,8 @@ typedef enum
{
CARD_PRODUCT_UNKNOWN,
CARD_PRODUCT_RSCS, /* Rohde&Schwarz Cybersecurity */
CARD_PRODUCT_DTRUST, /* D-Trust GmbH (bundesdruckerei.de) */
CARD_PRODUCT_DTRUST3, /* D-Trust GmbH (bundesdruckerei.de) */
CARD_PRODUCT_DTRUST4,
CARD_PRODUCT_GENUA, /* GeNUA mbH */
CARD_PRODUCT_NEXUS /* Technology Nexus */
}
@ -155,6 +156,11 @@ static char const pkcs15_aid[] = { 0xA0, 0, 0, 0, 0x63,
static char const pkcs15be_aid[] = { 0xA0, 0, 0, 0x01, 0x77,
0x50, 0x4B, 0x43, 0x53, 0x2D, 0x31, 0x35 };
/* The D-TRUST Card 4.x variant - dito */
static char const pkcs15dtrust4_aid[] = { 0xE8, 0x28, 0xBD, 0x08, 0x0F, 0xA0,
0x00, 0x00, 0x01, 0x67, 0x45, 0x53,
0x49, 0x47, 0x4E };
/* The PIN types as defined in pkcs#15 v1.1 */
typedef enum
@ -561,7 +567,8 @@ cardproduct2str (card_product_t cardproduct)
{
case CARD_PRODUCT_UNKNOWN: return "";
case CARD_PRODUCT_RSCS: return "R&S";
case CARD_PRODUCT_DTRUST: return "D-Trust";
case CARD_PRODUCT_DTRUST3: return "D-Trust 3";
case CARD_PRODUCT_DTRUST4: return "D-Trust 4.1/4.4";
case CARD_PRODUCT_GENUA: return "GeNUA";
case CARD_PRODUCT_NEXUS: return "Nexus";
}
@ -3511,7 +3518,7 @@ read_ef_tokeninfo (app_t app)
ul |= (*p++) & 0xff;
n--;
}
if (ul)
if (ul > 1)
{
log_error ("p15: invalid version %lu in TokenInfo\n", ul);
err = gpg_error (GPG_ERR_INV_OBJ);
@ -3845,7 +3852,14 @@ read_p15_info (app_t app)
&& !strncmp (app->app_local->token_label, "D-TRUST Card V3", 15)
&& app->app_local->card_type == CARD_TYPE_CARDOS_50)
{
app->app_local->card_product = CARD_PRODUCT_DTRUST;
app->app_local->card_product = CARD_PRODUCT_DTRUST3;
}
if (!app->app_local->card_product
&& app->app_local->token_label
&& !strncmp (app->app_local->token_label, "D-TRUST Card 4.", 15)
&& app->app_local->card_type == CARD_TYPE_CARDOS_54)
{
app->app_local->card_product = CARD_PRODUCT_DTRUST4;
}
@ -5023,7 +5037,7 @@ prepare_verify_pin (app_t app, const char *keyref,
}
if (app->app_local->card_product == CARD_PRODUCT_DTRUST)
if (app->app_local->card_product == CARD_PRODUCT_DTRUST3)
{
/* According to our protocol analysis we need to select a
* special AID here. Before that the master file needs to be
@ -5281,7 +5295,8 @@ verify_pin (app_t app,
if (prkdf
&& prkdf->usageflags.non_repudiation
&& (app->app_local->card_type == CARD_TYPE_BELPIC
|| app->app_local->card_product == CARD_PRODUCT_DTRUST))
|| app->app_local->card_product == CARD_PRODUCT_DTRUST3
|| app->app_local->card_product == CARD_PRODUCT_DTRUST4))
label = _("||Please enter the PIN for the key to create "
"qualified signatures.");
else if (aodf->pinflags.so_pin)
@ -5645,7 +5660,8 @@ do_sign (app_t app, ctrl_t ctrl, const char *keyidstr, int hashalgo,
goto leave;
}
if (app->app_local->card_type == CARD_TYPE_BELPIC
|| app->app_local->card_product == CARD_PRODUCT_NEXUS)
|| app->app_local->card_product == CARD_PRODUCT_NEXUS
|| app->app_local->card_product == CARD_PRODUCT_DTRUST4)
{
/* The default for these cards is to use a plain hash. We
* assume that due to the used certificate the correct hash
@ -5731,6 +5747,30 @@ do_sign (app_t app, ctrl_t ctrl, const char *keyidstr, int hashalgo,
else
err = micardo_mse (app, prkdf->path[prkdf->pathlen-1]);
}
else if (app->app_local->card_product == CARD_PRODUCT_DTRUST4)
{
if (prkdf->is_ecc)
{
/* Not implemented due to lacking test hardware. */
err = gpg_error (GPG_ERR_UNSUPPORTED_ALGORITHM);
}
else
{
/* The D-TRUST Card 4.x doesn't support setting a security
* environment, at least as specified in the specs. Insted a
* predefined security environment has to be loaded depending on the
* cipher and message digest used. The spec states SE-ID 0x25 for
* SHA256, 0x26 for SHA384 and 0x27 for SHA512, when using PKCS#1
* padding. But this matters only if the message digest is computed
* on the card. When providing the digest info and a pre-calculated
* hash, all security environments yield the same result. Thus we
* choose 0x25.
*
* Note: For PSS signatures, different values apply. */
err = iso7816_manage_security_env (app_get_slot (app),
0xf3, 0x25, NULL, 0);
}
}
else if (prkdf->key_reference_valid)
{
unsigned char mse[3];
@ -5886,7 +5926,7 @@ do_decipher (app_t app, ctrl_t ctrl, const char *keyidstr,
/* The next is guess work for CardOS. */
if (app->app_local->card_product == CARD_PRODUCT_DTRUST)
if (app->app_local->card_product == CARD_PRODUCT_DTRUST3)
{
/* From analyzing an USB trace of a Windows signing application
* we see that the SE is simply reset to 0x14. It seems to be
@ -5903,6 +5943,21 @@ do_decipher (app_t app, ctrl_t ctrl, const char *keyidstr,
0xF3, 0x14, NULL, 0);
}
else if (app->app_local->card_product == CARD_PRODUCT_DTRUST4)
{
if (prkdf->is_ecc)
{
/* Not implemented due to lacking test hardware. */
err = gpg_error (GPG_ERR_UNSUPPORTED_ALGORITHM);
}
else
{
/* SE-ID 0x31 is for PKCS#1 padded cryptograms. For OAEP encryption
* schemes, different values apply. */
err = iso7816_manage_security_env (app_get_slot (app),
0xF3, 0x31, NULL, 0);
}
}
else if (prkdf->key_reference_valid)
{
unsigned char mse[9];
@ -5946,7 +6001,8 @@ do_decipher (app_t app, ctrl_t ctrl, const char *keyidstr,
le_value = prkdf->keynbits / 8;
}
if (app->app_local->card_product == CARD_PRODUCT_DTRUST)
if (app->app_local->card_product == CARD_PRODUCT_DTRUST3
|| app->app_local->card_product == CARD_PRODUCT_DTRUST4)
padind = 0x81;
if (prkdf->is_ecc && IS_CARDOS_5(app))
@ -6208,6 +6264,12 @@ app_select_p15 (app_t app)
rc = iso7816_select_application_ext (slot, pkcs15_aid, sizeof pkcs15_aid, 1,
&fci, &fcilen);
if (rc)
{
/* D-TRUST Card 4.x uses a different AID. */
rc = iso7816_select_application_ext (slot, pkcs15dtrust4_aid, sizeof pkcs15dtrust4_aid, 1,
&fci, &fcilen);
}
if (rc)
{ /* Not found: Try to locate it from 2F00. We use direct path
selection here because it seems that the Belgian eID card