/src/openssl/crypto/evp/pmeth_check.c

Source (jump to first uncovered line)
/*
 * Copyright 2006-2021 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"
#ifndef FIPS_MODULE
# include "crypto/asn1.h"
#endif
#include "crypto/evp.h"
#include "evp_local.h"

/*
 * Returns:
 *  1   True
 *  0   False
 * -1   Unsupported (use legacy path)
 */
static int try_provided_check(EVP_PKEY_CTX *ctx, int selection, int checktype)
{
    EVP_KEYMGMT *keymgmt;
    void *keydata;

    if (evp_pkey_ctx_is_legacy(ctx))
        return -1;

    keymgmt = ctx->keymgmt;
    keydata = evp_pkey_export_to_provider(ctx->pkey, ctx->libctx,
                                          &keymgmt, ctx->propquery);
    if (keydata == NULL) {
        ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
        return 0;
    }

    return evp_keymgmt_validate(keymgmt, keydata, selection, checktype);
}

static int evp_pkey_public_check_combined(EVP_PKEY_CTX *ctx, int checktype)
{
    EVP_PKEY *pkey = ctx->pkey;
    int ok;

    if (pkey == NULL) {
        ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
        return 0;
    }

    if ((ok = try_provided_check(ctx, OSSL_KEYMGMT_SELECT_PUBLIC_KEY,
                                 checktype)) != -1)
        return ok;

    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:
    ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return -2;
}

int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx)
{
    return evp_pkey_public_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_FULL_CHECK);
}

int EVP_PKEY_public_check_quick(EVP_PKEY_CTX *ctx)
{
    return evp_pkey_public_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_QUICK_CHECK);
}

static int evp_pkey_param_check_combined(EVP_PKEY_CTX *ctx, int checktype)
{
    EVP_PKEY *pkey = ctx->pkey;
    int ok;

    if (pkey == NULL) {
        ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
        return 0;
    }

    if ((ok = try_provided_check(ctx,
                                 OSSL_KEYMGMT_SELECT_ALL_PARAMETERS,
                                 checktype)) != -1)
        return ok;

    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:
    ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return -2;
}

int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx)
{
    return evp_pkey_param_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_FULL_CHECK);
}

int EVP_PKEY_param_check_quick(EVP_PKEY_CTX *ctx)
{
    return evp_pkey_param_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_QUICK_CHECK);
}

int EVP_PKEY_private_check(EVP_PKEY_CTX *ctx)
{
    EVP_PKEY *pkey = ctx->pkey;
    int ok;

    if (pkey == NULL) {
        ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
        return 0;
    }

    if ((ok = try_provided_check(ctx, OSSL_KEYMGMT_SELECT_PRIVATE_KEY,
                                 OSSL_KEYMGMT_VALIDATE_FULL_CHECK)) != -1)
        return ok;

    /* not supported for legacy keys */
    ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return -2;
}

int EVP_PKEY_check(EVP_PKEY_CTX *ctx)
{
    return EVP_PKEY_pairwise_check(ctx);
}

int EVP_PKEY_pairwise_check(EVP_PKEY_CTX *ctx)
{
    EVP_PKEY *pkey = ctx->pkey;
    int ok;

    if (pkey == NULL) {
        ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
        return 0;
    }

    if ((ok = try_provided_check(ctx, OSSL_KEYMGMT_SELECT_KEYPAIR,
                                 OSSL_KEYMGMT_VALIDATE_FULL_CHECK)) != -1)
        return ok;

    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:
    ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return -2;
}


Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stdio.h>
11		#include <stdlib.h>
12		#include "internal/cryptlib.h"
13		#include <openssl/objects.h>
14		#include <openssl/evp.h>
15		#include "crypto/bn.h"
16		#ifndef FIPS_MODULE
17		# include "crypto/asn1.h"
18		#endif
19		#include "crypto/evp.h"
20		#include "evp_local.h"
21
22		/*
23		* Returns:
24		* 1 True
25		* 0 False
26		* -1 Unsupported (use legacy path)
27		*/
28		static int try_provided_check(EVP_PKEY_CTX *ctx, int selection, int checktype)
29	0	{
30	0	EVP_KEYMGMT *keymgmt;
31	0	void *keydata;
32
33	0	if (evp_pkey_ctx_is_legacy(ctx))
34	0	return -1;
35
36	0	keymgmt = ctx->keymgmt;
37	0	keydata = evp_pkey_export_to_provider(ctx->pkey, ctx->libctx,
38	0	&keymgmt, ctx->propquery);
39	0	if (keydata == NULL) {
40	0	ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
41	0	return 0;
42	0	}
43
44	0	return evp_keymgmt_validate(keymgmt, keydata, selection, checktype);
45	0	}
46
47		static int evp_pkey_public_check_combined(EVP_PKEY_CTX *ctx, int checktype)
48	0	{
49	0	EVP_PKEY *pkey = ctx->pkey;
50	0	int ok;
51
52	0	if (pkey == NULL) {
53	0	ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
54	0	return 0;
55	0	}
56
57	0	if ((ok = try_provided_check(ctx, OSSL_KEYMGMT_SELECT_PUBLIC_KEY,
58	0	checktype)) != -1)
59	0	return ok;
60
61	0	if (pkey->type == EVP_PKEY_NONE)
62	0	goto not_supported;
63
64	0	#ifndef FIPS_MODULE
65		/* legacy */
66		/* call customized public key check function first */
67	0	if (ctx->pmeth->public_check != NULL)
68	0	return ctx->pmeth->public_check(pkey);
69
70		/* use default public key check function in ameth */
71	0	if (pkey->ameth == NULL \|\| pkey->ameth->pkey_public_check == NULL)
72	0	goto not_supported;
73
74	0	return pkey->ameth->pkey_public_check(pkey);
75	0	#endif
76	0	not_supported:
77	0	ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
78	0	return -2;
79	0	}
80
81		int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx)
82	0	{
83	0	return evp_pkey_public_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_FULL_CHECK);
84	0	}
85
86		int EVP_PKEY_public_check_quick(EVP_PKEY_CTX *ctx)
87	0	{
88	0	return evp_pkey_public_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_QUICK_CHECK);
89	0	}
90
91		static int evp_pkey_param_check_combined(EVP_PKEY_CTX *ctx, int checktype)
92	0	{
93	0	EVP_PKEY *pkey = ctx->pkey;
94	0	int ok;
95
96	0	if (pkey == NULL) {
97	0	ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
98	0	return 0;
99	0	}
100
101	0	if ((ok = try_provided_check(ctx,
102	0	OSSL_KEYMGMT_SELECT_ALL_PARAMETERS,
103	0	checktype)) != -1)
104	0	return ok;
105
106	0	if (pkey->type == EVP_PKEY_NONE)
107	0	goto not_supported;
108
109	0	#ifndef FIPS_MODULE
110		/* legacy */
111		/* call customized param check function first */
112	0	if (ctx->pmeth->param_check != NULL)
113	0	return ctx->pmeth->param_check(pkey);
114
115		/* use default param check function in ameth */
116	0	if (pkey->ameth == NULL \|\| pkey->ameth->pkey_param_check == NULL)
117	0	goto not_supported;
118
119	0	return pkey->ameth->pkey_param_check(pkey);
120	0	#endif
121	0	not_supported:
122	0	ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
123	0	return -2;
124	0	}
125
126		int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx)
127	0	{
128	0	return evp_pkey_param_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_FULL_CHECK);
129	0	}
130
131		int EVP_PKEY_param_check_quick(EVP_PKEY_CTX *ctx)
132	0	{
133	0	return evp_pkey_param_check_combined(ctx, OSSL_KEYMGMT_VALIDATE_QUICK_CHECK);
134	0	}
135
136		int EVP_PKEY_private_check(EVP_PKEY_CTX *ctx)
137	0	{
138	0	EVP_PKEY *pkey = ctx->pkey;
139	0	int ok;
140
141	0	if (pkey == NULL) {
142	0	ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
143	0	return 0;
144	0	}
145
146	0	if ((ok = try_provided_check(ctx, OSSL_KEYMGMT_SELECT_PRIVATE_KEY,
147	0	OSSL_KEYMGMT_VALIDATE_FULL_CHECK)) != -1)
148	0	return ok;
149
150		/* not supported for legacy keys */
151	0	ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
152	0	return -2;
153	0	}
154
155		int EVP_PKEY_check(EVP_PKEY_CTX *ctx)
156	0	{
157	0	return EVP_PKEY_pairwise_check(ctx);
158	0	}
159
160		int EVP_PKEY_pairwise_check(EVP_PKEY_CTX *ctx)
161	0	{
162	0	EVP_PKEY *pkey = ctx->pkey;
163	0	int ok;
164
165	0	if (pkey == NULL) {
166	0	ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
167	0	return 0;
168	0	}
169
170	0	if ((ok = try_provided_check(ctx, OSSL_KEYMGMT_SELECT_KEYPAIR,
171	0	OSSL_KEYMGMT_VALIDATE_FULL_CHECK)) != -1)
172	0	return ok;
173
174	0	if (pkey->type == EVP_PKEY_NONE)
175	0	goto not_supported;
176
177	0	#ifndef FIPS_MODULE
178		/* legacy */
179		/* call customized check function first */
180	0	if (ctx->pmeth->check != NULL)
181	0	return ctx->pmeth->check(pkey);
182
183		/* use default check function in ameth */
184	0	if (pkey->ameth == NULL \|\| pkey->ameth->pkey_check == NULL)
185	0	goto not_supported;
186
187	0	return pkey->ameth->pkey_check(pkey);
188	0	#endif
189	0	not_supported:
190	0	ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
191	0	return -2;
192	0	}
193

Coverage Report

Created: 2025-06-13 06:56