/src/openssl/crypto/asn1/ameth_lib.c

Source
/*
 * Copyright 2006-2025 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
 */

/*
 * We need to use some EVP_PKEY_asn1 deprecated APIs
 */
#include "internal/deprecated.h"

#include "internal/cryptlib.h"
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include "crypto/asn1.h"
#include "crypto/evp.h"

#include "standard_methods.h"

typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;

DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
    const EVP_PKEY_ASN1_METHOD *, ameth);

static int ameth_cmp(const EVP_PKEY_ASN1_METHOD *const *a,
    const EVP_PKEY_ASN1_METHOD *const *b)
{
    return ((*a)->pkey_id - (*b)->pkey_id);
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
    const EVP_PKEY_ASN1_METHOD *, ameth);

int EVP_PKEY_asn1_get_count(void)
{
    int num = OSSL_NELEM(standard_methods);
    if (app_methods)
        num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
    return num;
}

const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)
{
    int num = OSSL_NELEM(standard_methods);
    if (idx < 0)
        return NULL;
    if (idx < num)
        return standard_methods[idx];
    idx -= num;
    return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
}

static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
{
    EVP_PKEY_ASN1_METHOD tmp;
    const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret;

    tmp.pkey_id = type;
    if (app_methods) {
        int idx;
        idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
        if (idx >= 0)
            return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
    }
    ret = OBJ_bsearch_ameth(&t, standard_methods, OSSL_NELEM(standard_methods));
    if (ret == NULL || *ret == NULL)
        return NULL;
    return *ret;
}

/*
 * Return ASN1 method for desired `type`, returns NULL if no method is found for
 * `type`. If pe is not NULL, the function will set *pe to NULL to indicate no
 * engine is used.
 */
const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type)
{
    const EVP_PKEY_ASN1_METHOD *t;

    for (;;) {
        t = pkey_asn1_find(type);
        if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))
            break;
        type = t->pkey_base_id;
    }
    if (pe) {
        *pe = NULL;
    }
    return t;
}

const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
    const char *str, int len)
{
    int i;
    const EVP_PKEY_ASN1_METHOD *ameth = NULL;

    if (len == -1)
        len = (int)strlen(str);
    if (pe) {
        *pe = NULL;
    }
    for (i = EVP_PKEY_asn1_get_count(); i-- > 0;) {
        ameth = EVP_PKEY_asn1_get0(i);
        if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
            continue;
        if ((int)strlen(ameth->pem_str) == len
            && OPENSSL_strncasecmp(ameth->pem_str, str, len) == 0)
            return ameth;
    }
    return NULL;
}

int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
{
    EVP_PKEY_ASN1_METHOD tmp = {
        0,
    };

    /*
     * One of the following must be true:
     *
     * pem_str == NULL AND ASN1_PKEY_ALIAS is set
     * pem_str != NULL AND ASN1_PKEY_ALIAS is clear
     *
     * Anything else is an error and may lead to a corrupt ASN1 method table
     */
    if (!((ameth->pem_str == NULL
              && (ameth->pkey_flags & ASN1_PKEY_ALIAS) != 0)
            || (ameth->pem_str != NULL
                && (ameth->pkey_flags & ASN1_PKEY_ALIAS) == 0))) {
        ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_INVALID_ARGUMENT);
        return 0;
    }

    if (app_methods == NULL) {
        app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
        if (app_methods == NULL)
            return 0;
    }

    tmp.pkey_id = ameth->pkey_id;
    if (sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp) >= 0) {
        ERR_raise(ERR_LIB_EVP,
            EVP_R_PKEY_APPLICATION_ASN1_METHOD_ALREADY_REGISTERED);
        return 0;
    }

    if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
        return 0;
    sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
    return 1;
}

int EVP_PKEY_asn1_add_alias(int to, int from)
{
    EVP_PKEY_ASN1_METHOD *ameth;
    ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
    if (ameth == NULL)
        return 0;
    ameth->pkey_base_id = to;
    if (!EVP_PKEY_asn1_add0(ameth)) {
        EVP_PKEY_asn1_free(ameth);
        return 0;
    }
    return 1;
}

int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id,
    int *ppkey_flags, const char **pinfo,
    const char **ppem_str,
    const EVP_PKEY_ASN1_METHOD *ameth)
{
    if (!ameth)
        return 0;
    if (ppkey_id)
        *ppkey_id = ameth->pkey_id;
    if (ppkey_base_id)
        *ppkey_base_id = ameth->pkey_base_id;
    if (ppkey_flags)
        *ppkey_flags = ameth->pkey_flags;
    if (pinfo)
        *pinfo = ameth->info;
    if (ppem_str)
        *ppem_str = ameth->pem_str;
    return 1;
}

const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey)
{
    return pkey->ameth;
}

EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
    const char *pem_str, const char *info)
{
    EVP_PKEY_ASN1_METHOD *ameth = OPENSSL_zalloc(sizeof(*ameth));

    if (ameth == NULL)
        return NULL;

    ameth->pkey_id = id;
    ameth->pkey_base_id = id;
    ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;

    if (info) {
        ameth->info = OPENSSL_strdup(info);
        if (ameth->info == NULL)
            goto err;
    }

    if (pem_str) {
        ameth->pem_str = OPENSSL_strdup(pem_str);
        if (ameth->pem_str == NULL)
            goto err;
    }

    return ameth;

err:
    EVP_PKEY_asn1_free(ameth);
    return NULL;
}

void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
    const EVP_PKEY_ASN1_METHOD *src)
{
    int pkey_id = dst->pkey_id;
    int pkey_base_id = dst->pkey_base_id;
    unsigned long pkey_flags = dst->pkey_flags;
    char *pem_str = dst->pem_str;
    char *info = dst->info;

    *dst = *src;

    /* We only copy the function pointers so restore the other values */
    dst->pkey_id = pkey_id;
    dst->pkey_base_id = pkey_base_id;
    dst->pkey_flags = pkey_flags;
    dst->pem_str = pem_str;
    dst->info = info;
}

void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
{
    if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
        OPENSSL_free(ameth->pem_str);
        OPENSSL_free(ameth->info);
        OPENSSL_free(ameth);
    }
}

void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pub_decode)(EVP_PKEY *pk,
        const X509_PUBKEY *pub),
    int (*pub_encode)(X509_PUBKEY *pub,
        const EVP_PKEY *pk),
    int (*pub_cmp)(const EVP_PKEY *a,
        const EVP_PKEY *b),
    int (*pub_print)(BIO *out,
        const EVP_PKEY *pkey,
        int indent, ASN1_PCTX *pctx),
    int (*pkey_size)(const EVP_PKEY *pk),
    int (*pkey_bits)(const EVP_PKEY *pk))
{
    ameth->pub_decode = pub_decode;
    ameth->pub_encode = pub_encode;
    ameth->pub_cmp = pub_cmp;
    ameth->pub_print = pub_print;
    ameth->pkey_size = pkey_size;
    ameth->pkey_bits = pkey_bits;
}

void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
    int (*priv_decode)(EVP_PKEY *pk,
        const PKCS8_PRIV_KEY_INFO
            *p8inf),
    int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8,
        const EVP_PKEY *pk),
    int (*priv_print)(BIO *out,
        const EVP_PKEY *pkey,
        int indent,
        ASN1_PCTX *pctx))
{
    ameth->priv_decode = priv_decode;
    ameth->priv_encode = priv_encode;
    ameth->priv_print = priv_print;
}

void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
    int (*param_decode)(EVP_PKEY *pkey,
        const unsigned char **pder,
        int derlen),
    int (*param_encode)(const EVP_PKEY *pkey,
        unsigned char **pder),
    int (*param_missing)(const EVP_PKEY *pk),
    int (*param_copy)(EVP_PKEY *to,
        const EVP_PKEY *from),
    int (*param_cmp)(const EVP_PKEY *a,
        const EVP_PKEY *b),
    int (*param_print)(BIO *out,
        const EVP_PKEY *pkey,
        int indent, ASN1_PCTX *pctx))
{
    ameth->param_decode = param_decode;
    ameth->param_encode = param_encode;
    ameth->param_missing = param_missing;
    ameth->param_copy = param_copy;
    ameth->param_cmp = param_cmp;
    ameth->param_print = param_print;
}

void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
    void (*pkey_free)(EVP_PKEY *pkey))
{
    ameth->pkey_free = pkey_free;
}

void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pkey_ctrl)(EVP_PKEY *pkey, int op,
        long arg1, void *arg2))
{
    ameth->pkey_ctrl = pkey_ctrl;
}

void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pkey_security_bits)(const EVP_PKEY
            *pk))
{
    ameth->pkey_security_bits = pkey_security_bits;
}

void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
    int (*item_verify)(EVP_MD_CTX *ctx,
        const ASN1_ITEM *it,
        const void *data,
        const X509_ALGOR *a,
        const ASN1_BIT_STRING *sig,
        EVP_PKEY *pkey),
    int (*item_sign)(EVP_MD_CTX *ctx,
        const ASN1_ITEM *it,
        const void *data,
        X509_ALGOR *alg1,
        X509_ALGOR *alg2,
        ASN1_BIT_STRING *sig))
{
    ameth->item_sign = item_sign;
    ameth->item_verify = item_verify;
}

void EVP_PKEY_asn1_set_siginf(EVP_PKEY_ASN1_METHOD *ameth,
    int (*siginf_set)(X509_SIG_INFO *siginf,
        const X509_ALGOR *alg,
        const ASN1_STRING *sig))
{
    ameth->siginf_set = siginf_set;
}

void EVP_PKEY_asn1_set_check(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pkey_check)(const EVP_PKEY *pk))
{
    ameth->pkey_check = pkey_check;
}

void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pkey_pub_check)(const EVP_PKEY *pk))
{
    ameth->pkey_public_check = pkey_pub_check;
}

void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pkey_param_check)(const EVP_PKEY *pk))
{
    ameth->pkey_param_check = pkey_param_check;
}

void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
    int (*set_priv_key)(EVP_PKEY *pk,
        const unsigned char
            *priv,
        size_t len))
{
    ameth->set_priv_key = set_priv_key;
}

void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
    int (*set_pub_key)(EVP_PKEY *pk,
        const unsigned char *pub,
        size_t len))
{
    ameth->set_pub_key = set_pub_key;
}

void EVP_PKEY_asn1_set_get_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
    int (*get_priv_key)(const EVP_PKEY *pk,
        unsigned char *priv,
        size_t *len))
{
    ameth->get_priv_key = get_priv_key;
}

void EVP_PKEY_asn1_set_get_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
    int (*get_pub_key)(const EVP_PKEY *pk,
        unsigned char *pub,
        size_t *len))
{
    ameth->get_pub_key = get_pub_key;
}

Coverage Report

Created: 2025-12-10 06:24

Line	Count	Source
1		/*
2		* Copyright 2006-2025 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		/*
11		* We need to use some EVP_PKEY_asn1 deprecated APIs
12		*/
13		#include "internal/deprecated.h"
14
15		#include "internal/cryptlib.h"
16		#include <stdio.h>
17		#include <openssl/asn1t.h>
18		#include <openssl/x509.h>
19		#include "crypto/asn1.h"
20		#include "crypto/evp.h"
21
22		#include "standard_methods.h"
23
24		typedef int sk_cmp_fn_type(const char const a, const char const b);
25		static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;
26
27		DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
28		const EVP_PKEY_ASN1_METHOD *, ameth);
29
30		static int ameth_cmp(const EVP_PKEY_ASN1_METHOD const a,
31		const EVP_PKEY_ASN1_METHOD const b)
32	0	{
33	0	return ((a)->pkey_id - (b)->pkey_id);
34	0	}
35
36		IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
37		const EVP_PKEY_ASN1_METHOD *, ameth);
38
39		int EVP_PKEY_asn1_get_count(void)
40	4	{
41	4	int num = OSSL_NELEM(standard_methods);
42	4	if (app_methods)
43	0	num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
44	4	return num;
45	4	}
46
47		const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)
48	60	{
49	60	int num = OSSL_NELEM(standard_methods);
50	60	if (idx < 0)
51	0	return NULL;
52	60	if (idx < num)
53	60	return standard_methods[idx];
54	0	idx -= num;
55	0	return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
56	60	}
57
58		static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
59	0	{
60	0	EVP_PKEY_ASN1_METHOD tmp;
61	0	const EVP_PKEY_ASN1_METHOD t = &tmp, *ret;
62
63	0	tmp.pkey_id = type;
64	0	if (app_methods) {
65	0	int idx;
66	0	idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
67	0	if (idx >= 0)
68	0	return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
69	0	}
70	0	ret = OBJ_bsearch_ameth(&t, standard_methods, OSSL_NELEM(standard_methods));
71	0	if (ret == NULL \|\| *ret == NULL)
72	0	return NULL;
73	0	return *ret;
74	0	}
75
76		/*
77		* Return ASN1 method for desired `type`, returns NULL if no method is found for
78		* `type`. If pe is not NULL, the function will set *pe to NULL to indicate no
79		* engine is used.
80		*/
81		const EVP_PKEY_ASN1_METHOD EVP_PKEY_asn1_find(ENGINE *pe, int type)
82	0	{
83	0	const EVP_PKEY_ASN1_METHOD *t;
84
85	0	for (;;) {
86	0	t = pkey_asn1_find(type);
87	0	if (!t \|\| !(t->pkey_flags & ASN1_PKEY_ALIAS))
88	0	break;
89	0	type = t->pkey_base_id;
90	0	}
91	0	if (pe) {
92	0	*pe = NULL;
93	0	}
94	0	return t;
95	0	}
96
97		const EVP_PKEY_ASN1_METHOD EVP_PKEY_asn1_find_str(ENGINE *pe,
98		const char *str, int len)
99	0	{
100	0	int i;
101	0	const EVP_PKEY_ASN1_METHOD *ameth = NULL;
102
103	0	if (len == -1)
104	0	len = (int)strlen(str);
105	0	if (pe) {
106	0	*pe = NULL;
107	0	}
108	0	for (i = EVP_PKEY_asn1_get_count(); i-- > 0;) {
109	0	ameth = EVP_PKEY_asn1_get0(i);
110	0	if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
111	0	continue;
112	0	if ((int)strlen(ameth->pem_str) == len
113	0	&& OPENSSL_strncasecmp(ameth->pem_str, str, len) == 0)
114	0	return ameth;
115	0	}
116	0	return NULL;
117	0	}
118
119		int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
120	0	{
121	0	EVP_PKEY_ASN1_METHOD tmp = {
122	0	0,
123	0	};
124
125		/*
126		* One of the following must be true:
127		*
128		* pem_str == NULL AND ASN1_PKEY_ALIAS is set
129		* pem_str != NULL AND ASN1_PKEY_ALIAS is clear
130		*
131		* Anything else is an error and may lead to a corrupt ASN1 method table
132		*/
133	0	if (!((ameth->pem_str == NULL
134	0	&& (ameth->pkey_flags & ASN1_PKEY_ALIAS) != 0)
135	0	\|\| (ameth->pem_str != NULL
136	0	&& (ameth->pkey_flags & ASN1_PKEY_ALIAS) == 0))) {
137	0	ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_INVALID_ARGUMENT);
138	0	return 0;
139	0	}
140
141	0	if (app_methods == NULL) {
142	0	app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
143	0	if (app_methods == NULL)
144	0	return 0;
145	0	}
146
147	0	tmp.pkey_id = ameth->pkey_id;
148	0	if (sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp) >= 0) {
149	0	ERR_raise(ERR_LIB_EVP,
150	0	EVP_R_PKEY_APPLICATION_ASN1_METHOD_ALREADY_REGISTERED);
151	0	return 0;
152	0	}
153
154	0	if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
155	0	return 0;
156	0	sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
157	0	return 1;
158	0	}
159
160		int EVP_PKEY_asn1_add_alias(int to, int from)
161	0	{
162	0	EVP_PKEY_ASN1_METHOD *ameth;
163	0	ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
164	0	if (ameth == NULL)
165	0	return 0;
166	0	ameth->pkey_base_id = to;
167	0	if (!EVP_PKEY_asn1_add0(ameth)) {
168	0	EVP_PKEY_asn1_free(ameth);
169	0	return 0;
170	0	}
171	0	return 1;
172	0	}
173
174		int EVP_PKEY_asn1_get0_info(int ppkey_id, int ppkey_base_id,
175		int ppkey_flags, const char *pinfo,
176		const char **ppem_str,
177		const EVP_PKEY_ASN1_METHOD *ameth)
178	60	{
179	60	if (!ameth)
180	0	return 0;
181	60	if (ppkey_id)
182	60	*ppkey_id = ameth->pkey_id;
183	60	if (ppkey_base_id)
184	60	*ppkey_base_id = ameth->pkey_base_id;
185	60	if (ppkey_flags)
186	60	*ppkey_flags = ameth->pkey_flags;
187	60	if (pinfo)
188	0	*pinfo = ameth->info;
189	60	if (ppem_str)
190	60	*ppem_str = ameth->pem_str;
191	60	return 1;
192	60	}
193
194		const EVP_PKEY_ASN1_METHOD EVP_PKEY_get0_asn1(const EVP_PKEY pkey)
195	0	{
196	0	return pkey->ameth;
197	0	}
198
199		EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
200		const char pem_str, const char info)
201	0	{
202	0	EVP_PKEY_ASN1_METHOD ameth = OPENSSL_zalloc(sizeof(ameth));
203
204	0	if (ameth == NULL)
205	0	return NULL;
206
207	0	ameth->pkey_id = id;
208	0	ameth->pkey_base_id = id;
209	0	ameth->pkey_flags = flags \| ASN1_PKEY_DYNAMIC;
210
211	0	if (info) {
212	0	ameth->info = OPENSSL_strdup(info);
213	0	if (ameth->info == NULL)
214	0	goto err;
215	0	}
216
217	0	if (pem_str) {
218	0	ameth->pem_str = OPENSSL_strdup(pem_str);
219	0	if (ameth->pem_str == NULL)
220	0	goto err;
221	0	}
222
223	0	return ameth;
224
225	0	err:
226	0	EVP_PKEY_asn1_free(ameth);
227	0	return NULL;
228	0	}
229
230		void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
231		const EVP_PKEY_ASN1_METHOD *src)
232	0	{
233	0	int pkey_id = dst->pkey_id;
234	0	int pkey_base_id = dst->pkey_base_id;
235	0	unsigned long pkey_flags = dst->pkey_flags;
236	0	char *pem_str = dst->pem_str;
237	0	char *info = dst->info;
238
239	0	dst = src;
240
241		/* We only copy the function pointers so restore the other values */
242	0	dst->pkey_id = pkey_id;
243	0	dst->pkey_base_id = pkey_base_id;
244	0	dst->pkey_flags = pkey_flags;
245	0	dst->pem_str = pem_str;
246	0	dst->info = info;
247	0	}
248
249		void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
250	0	{
251	0	if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
252	0	OPENSSL_free(ameth->pem_str);
253	0	OPENSSL_free(ameth->info);
254	0	OPENSSL_free(ameth);
255	0	}
256	0	}
257
258		void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
259		int (pub_decode)(EVP_PKEY pk,
260		const X509_PUBKEY *pub),
261		int (pub_encode)(X509_PUBKEY pub,
262		const EVP_PKEY *pk),
263		int (pub_cmp)(const EVP_PKEY a,
264		const EVP_PKEY *b),
265		int (pub_print)(BIO out,
266		const EVP_PKEY *pkey,
267		int indent, ASN1_PCTX *pctx),
268		int (pkey_size)(const EVP_PKEY pk),
269		int (pkey_bits)(const EVP_PKEY pk))
270	0	{
271	0	ameth->pub_decode = pub_decode;
272	0	ameth->pub_encode = pub_encode;
273	0	ameth->pub_cmp = pub_cmp;
274	0	ameth->pub_print = pub_print;
275	0	ameth->pkey_size = pkey_size;
276	0	ameth->pkey_bits = pkey_bits;
277	0	}
278
279		void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
280		int (priv_decode)(EVP_PKEY pk,
281		const PKCS8_PRIV_KEY_INFO
282		*p8inf),
283		int (priv_encode)(PKCS8_PRIV_KEY_INFO p8,
284		const EVP_PKEY *pk),
285		int (priv_print)(BIO out,
286		const EVP_PKEY *pkey,
287		int indent,
288		ASN1_PCTX *pctx))
289	0	{
290	0	ameth->priv_decode = priv_decode;
291	0	ameth->priv_encode = priv_encode;
292	0	ameth->priv_print = priv_print;
293	0	}
294
295		void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
296		int (param_decode)(EVP_PKEY pkey,
297		const unsigned char **pder,
298		int derlen),
299		int (param_encode)(const EVP_PKEY pkey,
300		unsigned char **pder),
301		int (param_missing)(const EVP_PKEY pk),
302		int (param_copy)(EVP_PKEY to,
303		const EVP_PKEY *from),
304		int (param_cmp)(const EVP_PKEY a,
305		const EVP_PKEY *b),
306		int (param_print)(BIO out,
307		const EVP_PKEY *pkey,
308		int indent, ASN1_PCTX *pctx))
309	0	{
310	0	ameth->param_decode = param_decode;
311	0	ameth->param_encode = param_encode;
312	0	ameth->param_missing = param_missing;
313	0	ameth->param_copy = param_copy;
314	0	ameth->param_cmp = param_cmp;
315	0	ameth->param_print = param_print;
316	0	}
317
318		void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
319		void (pkey_free)(EVP_PKEY pkey))
320	0	{
321	0	ameth->pkey_free = pkey_free;
322	0	}
323
324		void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
325		int (pkey_ctrl)(EVP_PKEY pkey, int op,
326		long arg1, void *arg2))
327	0	{
328	0	ameth->pkey_ctrl = pkey_ctrl;
329	0	}
330
331		void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
332		int (*pkey_security_bits)(const EVP_PKEY
333		*pk))
334	0	{
335	0	ameth->pkey_security_bits = pkey_security_bits;
336	0	}
337
338		void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
339		int (item_verify)(EVP_MD_CTX ctx,
340		const ASN1_ITEM *it,
341		const void *data,
342		const X509_ALGOR *a,
343		const ASN1_BIT_STRING *sig,
344		EVP_PKEY *pkey),
345		int (item_sign)(EVP_MD_CTX ctx,
346		const ASN1_ITEM *it,
347		const void *data,
348		X509_ALGOR *alg1,
349		X509_ALGOR *alg2,
350		ASN1_BIT_STRING *sig))
351	0	{
352	0	ameth->item_sign = item_sign;
353	0	ameth->item_verify = item_verify;
354	0	}
355
356		void EVP_PKEY_asn1_set_siginf(EVP_PKEY_ASN1_METHOD *ameth,
357		int (siginf_set)(X509_SIG_INFO siginf,
358		const X509_ALGOR *alg,
359		const ASN1_STRING *sig))
360	0	{
361	0	ameth->siginf_set = siginf_set;
362	0	}
363
364		void EVP_PKEY_asn1_set_check(EVP_PKEY_ASN1_METHOD *ameth,
365		int (pkey_check)(const EVP_PKEY pk))
366	0	{
367	0	ameth->pkey_check = pkey_check;
368	0	}
369
370		void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth,
371		int (pkey_pub_check)(const EVP_PKEY pk))
372	0	{
373	0	ameth->pkey_public_check = pkey_pub_check;
374	0	}
375
376		void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
377		int (pkey_param_check)(const EVP_PKEY pk))
378	0	{
379	0	ameth->pkey_param_check = pkey_param_check;
380	0	}
381
382		void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
383		int (set_priv_key)(EVP_PKEY pk,
384		const unsigned char
385		*priv,
386		size_t len))
387	0	{
388	0	ameth->set_priv_key = set_priv_key;
389	0	}
390
391		void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
392		int (set_pub_key)(EVP_PKEY pk,
393		const unsigned char *pub,
394		size_t len))
395	0	{
396	0	ameth->set_pub_key = set_pub_key;
397	0	}
398
399		void EVP_PKEY_asn1_set_get_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
400		int (get_priv_key)(const EVP_PKEY pk,
401		unsigned char *priv,
402		size_t *len))
403	0	{
404	0	ameth->get_priv_key = get_priv_key;
405	0	}
406
407		void EVP_PKEY_asn1_set_get_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
408		int (get_pub_key)(const EVP_PKEY pk,
409		unsigned char *pub,
410		size_t *len))
411	0	{
412	0	ameth->get_pub_key = get_pub_key;
413	0	}