mirror of https://github.com/openssl/openssl.git
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
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* Copyright 2020-2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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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 "internal/asn1.h"
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#include "prov/bio.h"
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#include "endecoder_local.h"
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OSSL_FUNC_keymgmt_new_fn *
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ossl_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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ossl_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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ossl_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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ossl_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 *ossl_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 = ossl_prov_get_keymgmt_new(fns);
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OSSL_FUNC_keymgmt_free_fn *kmgmt_free = ossl_prov_get_keymgmt_free(fns);
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OSSL_FUNC_keymgmt_import_fn *kmgmt_import =
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ossl_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 ossl_prov_free_key(const OSSL_DISPATCH *fns, void *key)
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{
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OSSL_FUNC_keymgmt_free_fn *kmgmt_free = ossl_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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int ossl_read_der(PROV_CTX *provctx, OSSL_CORE_BIO *cin, unsigned char **data,
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long *len)
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{
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BUF_MEM *mem = NULL;
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BIO *in = ossl_bio_new_from_core_bio(provctx, cin);
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int ok;
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if (in == NULL)
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return 0;
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ok = (asn1_d2i_read_bio(in, &mem) >= 0);
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if (ok) {
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*data = (unsigned char *)mem->data;
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*len = (long)mem->length;
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OPENSSL_free(mem);
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}
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BIO_free(in);
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return ok;
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}
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