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/*
* Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <stdlib.h>
#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/evp.h>
#include "crypto/bn.h"
#include "crypto/asn1.h"
#include "crypto/evp.h"
#include "evp_local.h"
int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx)
{
EVP_PKEY *pkey = ctx->pkey;
void *key;
EVP_KEYMGMT *keymgmt;
if (pkey == NULL) {
EVPerr(EVP_F_EVP_PKEY_PUBLIC_CHECK, EVP_R_NO_KEY_SET);
return 0;
}
keymgmt = pkey->keymgmt;
key = pkey->keydata;
if (key != NULL && keymgmt != NULL)
return evp_keymgmt_validate(keymgmt, key,
OSSL_KEYMGMT_SELECT_PUBLIC_KEY);
if (pkey->type == EVP_PKEY_NONE)
goto not_supported;
#ifndef FIPS_MODULE
/* legacy */
/* call customized public key check function first */
if (ctx->pmeth->public_check != NULL)
return ctx->pmeth->public_check(pkey);
/* use default public key check function in ameth */
if (pkey->ameth == NULL || pkey->ameth->pkey_public_check == NULL)
goto not_supported;
return pkey->ameth->pkey_public_check(pkey);
#endif
not_supported:
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return -2;
}
int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx)
{
EVP_PKEY *pkey = ctx->pkey;
void *key;
EVP_KEYMGMT *keymgmt;
if (pkey == NULL) {
EVPerr(EVP_F_EVP_PKEY_PARAM_CHECK, EVP_R_NO_KEY_SET);
return 0;
}
keymgmt = pkey->keymgmt;
key = pkey->keydata;
if (key != NULL && keymgmt != NULL)
return evp_keymgmt_validate(keymgmt, key,
OSSL_KEYMGMT_SELECT_ALL_PARAMETERS);
if (pkey->type == EVP_PKEY_NONE)
goto not_supported;
#ifndef FIPS_MODULE
/* legacy */
/* call customized param check function first */
if (ctx->pmeth->param_check != NULL)
return ctx->pmeth->param_check(pkey);
/* use default param check function in ameth */
if (pkey->ameth == NULL || pkey->ameth->pkey_param_check == NULL)
goto not_supported;
return pkey->ameth->pkey_param_check(pkey);
#endif
not_supported:
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return -2;
}
int EVP_PKEY_private_check(EVP_PKEY_CTX *ctx)
{
EVP_PKEY *pkey = ctx->pkey;
void *key;
EVP_KEYMGMT *keymgmt;
if (pkey == NULL) {
EVPerr(0, EVP_R_NO_KEY_SET);
return 0;
}
keymgmt = pkey->keymgmt;
key = pkey->keydata;
if (key != NULL && keymgmt != NULL)
return evp_keymgmt_validate(keymgmt, key,
OSSL_KEYMGMT_SELECT_PRIVATE_KEY);
/* not supported for legacy keys */
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return -2;
}
int EVP_PKEY_pairwise_check(EVP_PKEY_CTX *ctx)
{
EVP_PKEY *pkey = ctx->pkey;
void *key;
EVP_KEYMGMT *keymgmt;
if (pkey == NULL) {
EVPerr(0, EVP_R_NO_KEY_SET);
return 0;
}
keymgmt = pkey->keymgmt;
key = pkey->keydata;
if (key != NULL && keymgmt != NULL)
return evp_keymgmt_validate(keymgmt, key, OSSL_KEYMGMT_SELECT_KEYPAIR);
/* not supported for legacy keys */
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return -2;
}
int EVP_PKEY_check(EVP_PKEY_CTX *ctx)
{
EVP_PKEY *pkey = ctx->pkey;
void *key;
EVP_KEYMGMT *keymgmt;
if (pkey == NULL) {
EVPerr(EVP_F_EVP_PKEY_CHECK, EVP_R_NO_KEY_SET);
return 0;
}
keymgmt = pkey->keymgmt;
key = pkey->keydata;
if (key != NULL && keymgmt != NULL)
return evp_keymgmt_validate(keymgmt, key, OSSL_KEYMGMT_SELECT_ALL);
if (pkey->type == EVP_PKEY_NONE)
goto not_supported;
#ifndef FIPS_MODULE
/* legacy */
/* call customized check function first */
if (ctx->pmeth->check != NULL)
return ctx->pmeth->check(pkey);
/* use default check function in ameth */
if (pkey->ameth == NULL || pkey->ameth->pkey_check == NULL)
goto not_supported;
return pkey->ameth->pkey_check(pkey);
#endif
not_supported:
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return -2;
}
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