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Add PKCS#15 emulation for D-Trust Card
* dtrust: add PKCS#15 emulation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| /* | ||
| * PKCS15 emulation layer for D-Trust card. | ||
| * | ||
| * Copyright (C) 2024, Mario Haustein <[email protected]> | ||
| * | ||
| * This library is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; either | ||
| * version 2.1 of the License, or (at your option) any later version. | ||
| * | ||
| * This library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this library; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| */ | ||
|
|
||
| #ifdef HAVE_CONFIG_H | ||
| #include "config.h" | ||
| #endif | ||
|
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| #include "internal.h" | ||
| #include "pkcs15.h" | ||
|
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| static int | ||
| _dtrust_parse_df(struct sc_pkcs15_card *p15card, struct sc_pkcs15_df *df) | ||
| { | ||
| struct sc_context *ctx = p15card->card->ctx; | ||
| struct sc_pkcs15_object *pkobjs[32]; | ||
| struct sc_pkcs15_prkey_info *prkey_info; | ||
| int rv, i, count; | ||
|
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| LOG_FUNC_CALLED(ctx); | ||
|
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| if (!df) | ||
| LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS); | ||
|
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| if (df->enumerated) | ||
| LOG_FUNC_RETURN(ctx, SC_SUCCESS); | ||
|
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| rv = sc_pkcs15_parse_df(p15card, df); | ||
| LOG_TEST_RET(ctx, rv, "DF parse error"); | ||
|
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| if (df->type != SC_PKCS15_PRKDF) | ||
| LOG_FUNC_RETURN(ctx, SC_SUCCESS); | ||
|
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| switch (p15card->card->type) { | ||
| /* Cards with EC keys, don't encode the curve size in the | ||
| * private key directory file. We need to set the field_length | ||
| * element after parsing the private key directory file. */ | ||
| case SC_CARD_TYPE_DTRUST_V4_1_MULTI: | ||
| case SC_CARD_TYPE_DTRUST_V4_1_M100: | ||
| case SC_CARD_TYPE_DTRUST_V4_4_MULTI: | ||
| rv = sc_pkcs15_get_objects(p15card, SC_PKCS15_TYPE_PRKEY, pkobjs, sizeof(pkobjs) / sizeof(pkobjs[0])); | ||
| LOG_TEST_RET(ctx, rv, "Cannot get PRKEY objects list"); | ||
|
|
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| count = rv; | ||
| for (i = 0; i < count; i++) { | ||
| prkey_info = (struct sc_pkcs15_prkey_info *)pkobjs[i]->data; | ||
| prkey_info->field_length = 256; | ||
| } | ||
| break; | ||
| } | ||
|
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| LOG_FUNC_RETURN(ctx, SC_SUCCESS); | ||
| } | ||
|
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| static int | ||
| dtrust_pkcs15emu_detect_card(sc_pkcs15_card_t *p15card) | ||
| { | ||
| if (p15card->card->type < SC_CARD_TYPE_DTRUST_V4_1_STD) | ||
| return SC_ERROR_WRONG_CARD; | ||
|
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| if (p15card->card->type > SC_CARD_TYPE_DTRUST_V4_4_MULTI) | ||
| return SC_ERROR_WRONG_CARD; | ||
|
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| return SC_SUCCESS; | ||
| } | ||
|
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| static int | ||
| sc_pkcs15emu_dtrust_init(struct sc_pkcs15_card *p15card, struct sc_aid *aid) | ||
| { | ||
| struct sc_context *ctx = p15card->card->ctx; | ||
| int rv; | ||
|
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| LOG_FUNC_CALLED(ctx); | ||
|
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| rv = sc_pkcs15_bind_internal(p15card, aid); | ||
|
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| p15card->ops.parse_df = _dtrust_parse_df; | ||
|
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| LOG_FUNC_RETURN(ctx, rv); | ||
| } | ||
|
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| int | ||
| sc_pkcs15emu_dtrust_init_ex(struct sc_pkcs15_card *p15card, struct sc_aid *aid) | ||
| { | ||
| if (dtrust_pkcs15emu_detect_card(p15card)) | ||
| return SC_ERROR_WRONG_CARD; | ||
|
|
||
| return sc_pkcs15emu_dtrust_init(p15card, aid); | ||
| } |
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