86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
// SPDX-License-Identifier: Apache-2.0 AND MIT
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/*
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* OQS OpenSSL 3 provider
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*
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* Code strongly inspired by OpenSSL endecoder.
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*
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* ToDo: Adding hybrid alg support
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*/
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#include <openssl/core.h>
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#include <openssl/buffer.h>
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#include <openssl/bio.h>
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#include "oqs_endecoder_local.h"
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OSSL_FUNC_keymgmt_new_fn *
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oqs_prov_get_keymgmt_new(const OSSL_DISPATCH *fns)
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{
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/* Pilfer the keymgmt dispatch table */
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for (; fns->function_id != 0; fns++)
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if (fns->function_id == OSSL_FUNC_KEYMGMT_NEW)
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return OSSL_FUNC_keymgmt_new(fns);
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return NULL;
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}
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OSSL_FUNC_keymgmt_free_fn *
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oqs_prov_get_keymgmt_free(const OSSL_DISPATCH *fns)
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{
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/* Pilfer the keymgmt dispatch table */
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for (; fns->function_id != 0; fns++)
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if (fns->function_id == OSSL_FUNC_KEYMGMT_FREE)
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return OSSL_FUNC_keymgmt_free(fns);
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return NULL;
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}
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OSSL_FUNC_keymgmt_import_fn *
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oqs_prov_get_keymgmt_import(const OSSL_DISPATCH *fns)
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{
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/* Pilfer the keymgmt dispatch table */
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for (; fns->function_id != 0; fns++)
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if (fns->function_id == OSSL_FUNC_KEYMGMT_IMPORT)
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return OSSL_FUNC_keymgmt_import(fns);
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return NULL;
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}
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OSSL_FUNC_keymgmt_export_fn *
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oqs_prov_get_keymgmt_export(const OSSL_DISPATCH *fns)
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{
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/* Pilfer the keymgmt dispatch table */
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for (; fns->function_id != 0; fns++)
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if (fns->function_id == OSSL_FUNC_KEYMGMT_EXPORT)
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return OSSL_FUNC_keymgmt_export(fns);
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return NULL;
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}
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void *oqs_prov_import_key(const OSSL_DISPATCH *fns, void *provctx,
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int selection, const OSSL_PARAM params[])
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{
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OSSL_FUNC_keymgmt_new_fn *kmgmt_new = oqs_prov_get_keymgmt_new(fns);
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OSSL_FUNC_keymgmt_free_fn *kmgmt_free = oqs_prov_get_keymgmt_free(fns);
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OSSL_FUNC_keymgmt_import_fn *kmgmt_import =
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oqs_prov_get_keymgmt_import(fns);
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void *key = NULL;
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if (kmgmt_new != NULL && kmgmt_import != NULL && kmgmt_free != NULL) {
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if ((key = kmgmt_new(provctx)) == NULL
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|| !kmgmt_import(key, selection, params)) {
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kmgmt_free(key);
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key = NULL;
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}
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}
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return key;
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}
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void oqs_prov_free_key(const OSSL_DISPATCH *fns, void *key)
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{
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OSSL_FUNC_keymgmt_free_fn *kmgmt_free = oqs_prov_get_keymgmt_free(fns);
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if (kmgmt_free != NULL)
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kmgmt_free(key);
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}
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