/src/irssi/subprojects/openssl-1.1.1l/crypto/evp/p_lib.c

Source
/*
 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (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 "internal/cryptlib.h"
#include "internal/refcount.h"
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/dh.h>
#include <openssl/cmac.h>
#include <openssl/engine.h>

#include "crypto/asn1.h"
#include "crypto/evp.h"

static void EVP_PKEY_free_it(EVP_PKEY *x);

int EVP_PKEY_bits(const EVP_PKEY *pkey)
{
    if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
        return pkey->ameth->pkey_bits(pkey);
    return 0;
}

int EVP_PKEY_security_bits(const EVP_PKEY *pkey)
{
    if (pkey == NULL)
        return 0;
    if (!pkey->ameth || !pkey->ameth->pkey_security_bits)
        return -2;
    return pkey->ameth->pkey_security_bits(pkey);
}

int EVP_PKEY_size(const EVP_PKEY *pkey)
{
    if (pkey && pkey->ameth && pkey->ameth->pkey_size)
        return pkey->ameth->pkey_size(pkey);
    return 0;
}

int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
{
#ifndef OPENSSL_NO_DSA
    if (pkey->type == EVP_PKEY_DSA) {
        int ret = pkey->save_parameters;

        if (mode >= 0)
            pkey->save_parameters = mode;
        return ret;
    }
#endif
#ifndef OPENSSL_NO_EC
    if (pkey->type == EVP_PKEY_EC) {
        int ret = pkey->save_parameters;

        if (mode >= 0)
            pkey->save_parameters = mode;
        return ret;
    }
#endif
    return 0;
}

int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
{
    if (to->type == EVP_PKEY_NONE) {
        if (EVP_PKEY_set_type(to, from->type) == 0)
            return 0;
    } else if (to->type != from->type) {
        EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES);
        goto err;
    }

    if (EVP_PKEY_missing_parameters(from)) {
        EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS);
        goto err;
    }

    if (!EVP_PKEY_missing_parameters(to)) {
        if (EVP_PKEY_cmp_parameters(to, from) == 1)
            return 1;
        EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS);
        return 0;
    }

    if (from->ameth && from->ameth->param_copy)
        return from->ameth->param_copy(to, from);
 err:
    return 0;
}

int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
{
    if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing)
        return pkey->ameth->param_missing(pkey);
    return 0;
}

int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
{
    if (a->type != b->type)
        return -1;
    if (a->ameth && a->ameth->param_cmp)
        return a->ameth->param_cmp(a, b);
    return -2;
}

int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
{
    if (a->type != b->type)
        return -1;

    if (a->ameth) {
        int ret;
        /* Compare parameters if the algorithm has them */
        if (a->ameth->param_cmp) {
            ret = a->ameth->param_cmp(a, b);
            if (ret <= 0)
                return ret;
        }

        if (a->ameth->pub_cmp)
            return a->ameth->pub_cmp(a, b);
    }

    return -2;
}

EVP_PKEY *EVP_PKEY_new(void)
{
    EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret));

    if (ret == NULL) {
        EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
        return NULL;
    }
    ret->type = EVP_PKEY_NONE;
    ret->save_type = EVP_PKEY_NONE;
    ret->references = 1;
    ret->save_parameters = 1;
    ret->lock = CRYPTO_THREAD_lock_new();
    if (ret->lock == NULL) {
        EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
        OPENSSL_free(ret);
        return NULL;
    }
    return ret;
}

int EVP_PKEY_up_ref(EVP_PKEY *pkey)
{
    int i;

    if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0)
        return 0;

    REF_PRINT_COUNT("EVP_PKEY", pkey);
    REF_ASSERT_ISNT(i < 2);
    return ((i > 1) ? 1 : 0);
}

/*
 * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey
 * is NULL just return 1 or 0 if the algorithm exists.
 */

static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str,
                         int len)
{
    const EVP_PKEY_ASN1_METHOD *ameth;
    ENGINE **eptr = (e == NULL) ? &e :  NULL;

    if (pkey) {
        if (pkey->pkey.ptr)
            EVP_PKEY_free_it(pkey);
        /*
         * If key type matches and a method exists then this lookup has
         * succeeded once so just indicate success.
         */
        if ((type == pkey->save_type) && pkey->ameth)
            return 1;
#ifndef OPENSSL_NO_ENGINE
        /* If we have ENGINEs release them */
        ENGINE_finish(pkey->engine);
        pkey->engine = NULL;
        ENGINE_finish(pkey->pmeth_engine);
        pkey->pmeth_engine = NULL;
#endif
    }
    if (str)
        ameth = EVP_PKEY_asn1_find_str(eptr, str, len);
    else
        ameth = EVP_PKEY_asn1_find(eptr, type);
#ifndef OPENSSL_NO_ENGINE
    if (pkey == NULL && eptr != NULL)
        ENGINE_finish(e);
#endif
    if (ameth == NULL) {
        EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
        return 0;
    }
    if (pkey) {
        pkey->ameth = ameth;
        pkey->engine = e;

        pkey->type = pkey->ameth->pkey_id;
        pkey->save_type = type;
    }
    return 1;
}

EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e,
                                       const unsigned char *priv,
                                       size_t len)
{
    EVP_PKEY *ret = EVP_PKEY_new();

    if (ret == NULL
            || !pkey_set_type(ret, e, type, NULL, -1)) {
        /* EVPerr already called */
        goto err;
    }

    if (ret->ameth->set_priv_key == NULL) {
        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY,
               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
        goto err;
    }

    if (!ret->ameth->set_priv_key(ret, priv, len)) {
        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED);
        goto err;
    }

    return ret;

 err:
    EVP_PKEY_free(ret);
    return NULL;
}

EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
                                      const unsigned char *pub,
                                      size_t len)
{
    EVP_PKEY *ret = EVP_PKEY_new();

    if (ret == NULL
            || !pkey_set_type(ret, e, type, NULL, -1)) {
        /* EVPerr already called */
        goto err;
    }

    if (ret->ameth->set_pub_key == NULL) {
        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY,
               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
        goto err;
    }

    if (!ret->ameth->set_pub_key(ret, pub, len)) {
        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED);
        goto err;
    }

    return ret;

 err:
    EVP_PKEY_free(ret);
    return NULL;
}

int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv,
                                 size_t *len)
{
     if (pkey->ameth->get_priv_key == NULL) {
        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY,
               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
        return 0;
    }

    if (!pkey->ameth->get_priv_key(pkey, priv, len)) {
        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED);
        return 0;
    }

    return 1;
}

int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub,
                                size_t *len)
{
     if (pkey->ameth->get_pub_key == NULL) {
        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY,
               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
        return 0;
    }

    if (!pkey->ameth->get_pub_key(pkey, pub, len)) {
        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED);
        return 0;
    }

    return 1;
}

EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
                                size_t len, const EVP_CIPHER *cipher)
{
#ifndef OPENSSL_NO_CMAC
    EVP_PKEY *ret = EVP_PKEY_new();
    CMAC_CTX *cmctx = CMAC_CTX_new();

    if (ret == NULL
            || cmctx == NULL
            || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) {
        /* EVPerr already called */
        goto err;
    }

    if (!CMAC_Init(cmctx, priv, len, cipher, e)) {
        EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED);
        goto err;
    }

    ret->pkey.ptr = cmctx;
    return ret;

 err:
    EVP_PKEY_free(ret);
    CMAC_CTX_free(cmctx);
    return NULL;
#else
    EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY,
           EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return NULL;
#endif
}

int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
{
    return pkey_set_type(pkey, NULL, type, NULL, -1);
}

int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
{
    return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len);
}

int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type)
{
    if (pkey->type == type) {
        return 1; /* it already is that type */
    }

    /*
     * The application is requesting to alias this to a different pkey type,
     * but not one that resolves to the base type.
     */
    if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) {
        EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
        return 0;
    }

    pkey->type = type;
    return 1;
}

#ifndef OPENSSL_NO_ENGINE
int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e)
{
    if (e != NULL) {
        if (!ENGINE_init(e)) {
            EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB);
            return 0;
        }
        if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) {
            ENGINE_finish(e);
            EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM);
            return 0;
        }
    }
    ENGINE_finish(pkey->pmeth_engine);
    pkey->pmeth_engine = e;
    return 1;
}

ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey)
{
    return pkey->engine;
}
#endif
int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
{
    if (pkey == NULL || !EVP_PKEY_set_type(pkey, type))
        return 0;
    pkey->pkey.ptr = key;
    return (key != NULL);
}

void *EVP_PKEY_get0(const EVP_PKEY *pkey)
{
    return pkey->pkey.ptr;
}

const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len)
{
    ASN1_OCTET_STRING *os = NULL;
    if (pkey->type != EVP_PKEY_HMAC) {
        EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY);
        return NULL;
    }
    os = EVP_PKEY_get0(pkey);
    *len = os->length;
    return os->data;
}

#ifndef OPENSSL_NO_POLY1305
const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len)
{
    ASN1_OCTET_STRING *os = NULL;
    if (pkey->type != EVP_PKEY_POLY1305) {
        EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY);
        return NULL;
    }
    os = EVP_PKEY_get0(pkey);
    *len = os->length;
    return os->data;
}
#endif

#ifndef OPENSSL_NO_SIPHASH
const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len)
{
    ASN1_OCTET_STRING *os = NULL;

    if (pkey->type != EVP_PKEY_SIPHASH) {
        EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY);
        return NULL;
    }
    os = EVP_PKEY_get0(pkey);
    *len = os->length;
    return os->data;
}
#endif

#ifndef OPENSSL_NO_RSA
int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
{
    int ret = EVP_PKEY_assign_RSA(pkey, key);
    if (ret)
        RSA_up_ref(key);
    return ret;
}

RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
{
    if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) {
        EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
        return NULL;
    }
    return pkey->pkey.rsa;
}

RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
{
    RSA *ret = EVP_PKEY_get0_RSA(pkey);
    if (ret != NULL)
        RSA_up_ref(ret);
    return ret;
}
#endif

#ifndef OPENSSL_NO_DSA
int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
{
    int ret = EVP_PKEY_assign_DSA(pkey, key);
    if (ret)
        DSA_up_ref(key);
    return ret;
}

DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey)
{
    if (pkey->type != EVP_PKEY_DSA) {
        EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY);
        return NULL;
    }
    return pkey->pkey.dsa;
}

DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
{
    DSA *ret = EVP_PKEY_get0_DSA(pkey);
    if (ret != NULL)
        DSA_up_ref(ret);
    return ret;
}
#endif

#ifndef OPENSSL_NO_EC

int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
{
    int ret = EVP_PKEY_assign_EC_KEY(pkey, key);
    if (ret)
        EC_KEY_up_ref(key);
    return ret;
}

EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey)
{
    if (pkey->type != EVP_PKEY_EC) {
        EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
        return NULL;
    }
    return pkey->pkey.ec;
}

EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
{
    EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey);
    if (ret != NULL)
        EC_KEY_up_ref(ret);
    return ret;
}
#endif

#ifndef OPENSSL_NO_DH

int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
{
    int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX;
    int ret = EVP_PKEY_assign(pkey, type, key);

    if (ret)
        DH_up_ref(key);
    return ret;
}

DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey)
{
    if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) {
        EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY);
        return NULL;
    }
    return pkey->pkey.dh;
}

DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
{
    DH *ret = EVP_PKEY_get0_DH(pkey);
    if (ret != NULL)
        DH_up_ref(ret);
    return ret;
}
#endif

int EVP_PKEY_type(int type)
{
    int ret;
    const EVP_PKEY_ASN1_METHOD *ameth;
    ENGINE *e;
    ameth = EVP_PKEY_asn1_find(&e, type);
    if (ameth)
        ret = ameth->pkey_id;
    else
        ret = NID_undef;
#ifndef OPENSSL_NO_ENGINE
    ENGINE_finish(e);
#endif
    return ret;
}

int EVP_PKEY_id(const EVP_PKEY *pkey)
{
    return pkey->type;
}

int EVP_PKEY_base_id(const EVP_PKEY *pkey)
{
    return EVP_PKEY_type(pkey->type);
}

void EVP_PKEY_free(EVP_PKEY *x)
{
    int i;

    if (x == NULL)
        return;

    CRYPTO_DOWN_REF(&x->references, &i, x->lock);
    REF_PRINT_COUNT("EVP_PKEY", x);
    if (i > 0)
        return;
    REF_ASSERT_ISNT(i < 0);
    EVP_PKEY_free_it(x);
    CRYPTO_THREAD_lock_free(x->lock);
    sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
    OPENSSL_free(x);
}

static void EVP_PKEY_free_it(EVP_PKEY *x)
{
    /* internal function; x is never NULL */
    if (x->ameth && x->ameth->pkey_free) {
        x->ameth->pkey_free(x);
        x->pkey.ptr = NULL;
    }
#ifndef OPENSSL_NO_ENGINE
    ENGINE_finish(x->engine);
    x->engine = NULL;
    ENGINE_finish(x->pmeth_engine);
    x->pmeth_engine = NULL;
#endif
}

static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
                     const char *kstr)
{
    BIO_indent(out, indent, 128);
    BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
               kstr, OBJ_nid2ln(pkey->type));
    return 1;
}

int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
                          int indent, ASN1_PCTX *pctx)
{
    if (pkey->ameth && pkey->ameth->pub_print)
        return pkey->ameth->pub_print(out, pkey, indent, pctx);

    return unsup_alg(out, pkey, indent, "Public Key");
}

int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
                           int indent, ASN1_PCTX *pctx)
{
    if (pkey->ameth && pkey->ameth->priv_print)
        return pkey->ameth->priv_print(out, pkey, indent, pctx);

    return unsup_alg(out, pkey, indent, "Private Key");
}

int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
                          int indent, ASN1_PCTX *pctx)
{
    if (pkey->ameth && pkey->ameth->param_print)
        return pkey->ameth->param_print(out, pkey, indent, pctx);
    return unsup_alg(out, pkey, indent, "Parameters");
}

static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2)
{
    if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL)
        return -2;
    return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2);
}

int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
{
    return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid);
}

int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
                               const unsigned char *pt, size_t ptlen)
{
    if (ptlen > INT_MAX)
        return 0;
    if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen,
                           (void *)pt) <= 0)
        return 0;
    return 1;
}

size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt)
{
    int rv;
    rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt);
    if (rv <= 0)
        return 0;
    return rv;
}

Coverage Report

Created: 2026-01-13 07:09

Line	Count	Source
1		/*
2		* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the OpenSSL license (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 "internal/cryptlib.h"
12		#include "internal/refcount.h"
13		#include <openssl/bn.h>
14		#include <openssl/err.h>
15		#include <openssl/objects.h>
16		#include <openssl/evp.h>
17		#include <openssl/x509.h>
18		#include <openssl/rsa.h>
19		#include <openssl/dsa.h>
20		#include <openssl/dh.h>
21		#include <openssl/cmac.h>
22		#include <openssl/engine.h>
23
24		#include "crypto/asn1.h"
25		#include "crypto/evp.h"
26
27		static void EVP_PKEY_free_it(EVP_PKEY *x);
28
29		int EVP_PKEY_bits(const EVP_PKEY *pkey)
30	0	{
31	0	if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
32	0	return pkey->ameth->pkey_bits(pkey);
33	0	return 0;
34	0	}
35
36		int EVP_PKEY_security_bits(const EVP_PKEY *pkey)
37	0	{
38	0	if (pkey == NULL)
39	0	return 0;
40	0	if (!pkey->ameth \|\| !pkey->ameth->pkey_security_bits)
41	0	return -2;
42	0	return pkey->ameth->pkey_security_bits(pkey);
43	0	}
44
45		int EVP_PKEY_size(const EVP_PKEY *pkey)
46	0	{
47	0	if (pkey && pkey->ameth && pkey->ameth->pkey_size)
48	0	return pkey->ameth->pkey_size(pkey);
49	0	return 0;
50	0	}
51
52		int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
53	0	{
54	0	#ifndef OPENSSL_NO_DSA
55	0	if (pkey->type == EVP_PKEY_DSA) {
56	0	int ret = pkey->save_parameters;
57
58	0	if (mode >= 0)
59	0	pkey->save_parameters = mode;
60	0	return ret;
61	0	}
62	0	#endif
63	0	#ifndef OPENSSL_NO_EC
64	0	if (pkey->type == EVP_PKEY_EC) {
65	0	int ret = pkey->save_parameters;
66
67	0	if (mode >= 0)
68	0	pkey->save_parameters = mode;
69	0	return ret;
70	0	}
71	0	#endif
72	0	return 0;
73	0	}
74
75		int EVP_PKEY_copy_parameters(EVP_PKEY to, const EVP_PKEY from)
76	0	{
77	0	if (to->type == EVP_PKEY_NONE) {
78	0	if (EVP_PKEY_set_type(to, from->type) == 0)
79	0	return 0;
80	0	} else if (to->type != from->type) {
81	0	EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES);
82	0	goto err;
83	0	}
84
85	0	if (EVP_PKEY_missing_parameters(from)) {
86	0	EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS);
87	0	goto err;
88	0	}
89
90	0	if (!EVP_PKEY_missing_parameters(to)) {
91	0	if (EVP_PKEY_cmp_parameters(to, from) == 1)
92	0	return 1;
93	0	EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS);
94	0	return 0;
95	0	}
96
97	0	if (from->ameth && from->ameth->param_copy)
98	0	return from->ameth->param_copy(to, from);
99	0	err:
100	0	return 0;
101	0	}
102
103		int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
104	0	{
105	0	if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing)
106	0	return pkey->ameth->param_missing(pkey);
107	0	return 0;
108	0	}
109
110		int EVP_PKEY_cmp_parameters(const EVP_PKEY a, const EVP_PKEY b)
111	0	{
112	0	if (a->type != b->type)
113	0	return -1;
114	0	if (a->ameth && a->ameth->param_cmp)
115	0	return a->ameth->param_cmp(a, b);
116	0	return -2;
117	0	}
118
119		int EVP_PKEY_cmp(const EVP_PKEY a, const EVP_PKEY b)
120	0	{
121	0	if (a->type != b->type)
122	0	return -1;
123
124	0	if (a->ameth) {
125	0	int ret;
126		/* Compare parameters if the algorithm has them */
127	0	if (a->ameth->param_cmp) {
128	0	ret = a->ameth->param_cmp(a, b);
129	0	if (ret <= 0)
130	0	return ret;
131	0	}
132
133	0	if (a->ameth->pub_cmp)
134	0	return a->ameth->pub_cmp(a, b);
135	0	}
136
137	0	return -2;
138	0	}
139
140		EVP_PKEY *EVP_PKEY_new(void)
141	29.8k	{
142	29.8k	EVP_PKEY ret = OPENSSL_zalloc(sizeof(ret));
143
144	29.8k	if (ret == NULL) {
145	0	EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
146	0	return NULL;
147	0	}
148	29.8k	ret->type = EVP_PKEY_NONE;
149	29.8k	ret->save_type = EVP_PKEY_NONE;
150	29.8k	ret->references = 1;
151	29.8k	ret->save_parameters = 1;
152	29.8k	ret->lock = CRYPTO_THREAD_lock_new();
153	29.8k	if (ret->lock == NULL) {
154	0	EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
155	0	OPENSSL_free(ret);
156	0	return NULL;
157	0	}
158	29.8k	return ret;
159	29.8k	}
160
161		int EVP_PKEY_up_ref(EVP_PKEY *pkey)
162	0	{
163	0	int i;
164
165	0	if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0)
166	0	return 0;
167
168	0	REF_PRINT_COUNT("EVP_PKEY", pkey);
169	0	REF_ASSERT_ISNT(i < 2);
170	0	return ((i > 1) ? 1 : 0);
171	0	}
172
173		/*
174		* Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey
175		* is NULL just return 1 or 0 if the algorithm exists.
176		*/
177
178		static int pkey_set_type(EVP_PKEY pkey, ENGINE e, int type, const char *str,
179		int len)
180	29.8k	{
181	29.8k	const EVP_PKEY_ASN1_METHOD *ameth;
182	29.8k	ENGINE **eptr = (e == NULL) ? &e : NULL;
183
184	29.8k	if (pkey) {
185	29.8k	if (pkey->pkey.ptr)
186	0	EVP_PKEY_free_it(pkey);
187		/*
188		* If key type matches and a method exists then this lookup has
189		* succeeded once so just indicate success.
190		*/
191	29.8k	if ((type == pkey->save_type) && pkey->ameth)
192	0	return 1;
193	29.8k	#ifndef OPENSSL_NO_ENGINE
194		/* If we have ENGINEs release them */
195	29.8k	ENGINE_finish(pkey->engine);
196	29.8k	pkey->engine = NULL;
197	29.8k	ENGINE_finish(pkey->pmeth_engine);
198	29.8k	pkey->pmeth_engine = NULL;
199	29.8k	#endif
200	29.8k	}
201	29.8k	if (str)
202	0	ameth = EVP_PKEY_asn1_find_str(eptr, str, len);
203	29.8k	else
204	29.8k	ameth = EVP_PKEY_asn1_find(eptr, type);
205	29.8k	#ifndef OPENSSL_NO_ENGINE
206	29.8k	if (pkey == NULL && eptr != NULL)
207	0	ENGINE_finish(e);
208	29.8k	#endif
209	29.8k	if (ameth == NULL) {
210	0	EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
211	0	return 0;
212	0	}
213	29.8k	if (pkey) {
214	29.8k	pkey->ameth = ameth;
215	29.8k	pkey->engine = e;
216
217	29.8k	pkey->type = pkey->ameth->pkey_id;
218	29.8k	pkey->save_type = type;
219	29.8k	}
220	29.8k	return 1;
221	29.8k	}
222
223		EVP_PKEY EVP_PKEY_new_raw_private_key(int type, ENGINE e,
224		const unsigned char *priv,
225		size_t len)
226	0	{
227	0	EVP_PKEY *ret = EVP_PKEY_new();
228
229	0	if (ret == NULL
230	0	\|\| !pkey_set_type(ret, e, type, NULL, -1)) {
231		/* EVPerr already called */
232	0	goto err;
233	0	}
234
235	0	if (ret->ameth->set_priv_key == NULL) {
236	0	EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY,
237	0	EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
238	0	goto err;
239	0	}
240
241	0	if (!ret->ameth->set_priv_key(ret, priv, len)) {
242	0	EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED);
243	0	goto err;
244	0	}
245
246	0	return ret;
247
248	0	err:
249	0	EVP_PKEY_free(ret);
250	0	return NULL;
251	0	}
252
253		EVP_PKEY EVP_PKEY_new_raw_public_key(int type, ENGINE e,
254		const unsigned char *pub,
255		size_t len)
256	0	{
257	0	EVP_PKEY *ret = EVP_PKEY_new();
258
259	0	if (ret == NULL
260	0	\|\| !pkey_set_type(ret, e, type, NULL, -1)) {
261		/* EVPerr already called */
262	0	goto err;
263	0	}
264
265	0	if (ret->ameth->set_pub_key == NULL) {
266	0	EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY,
267	0	EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
268	0	goto err;
269	0	}
270
271	0	if (!ret->ameth->set_pub_key(ret, pub, len)) {
272	0	EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED);
273	0	goto err;
274	0	}
275
276	0	return ret;
277
278	0	err:
279	0	EVP_PKEY_free(ret);
280	0	return NULL;
281	0	}
282
283		int EVP_PKEY_get_raw_private_key(const EVP_PKEY pkey, unsigned char priv,
284		size_t *len)
285	0	{
286	0	if (pkey->ameth->get_priv_key == NULL) {
287	0	EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY,
288	0	EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
289	0	return 0;
290	0	}
291
292	0	if (!pkey->ameth->get_priv_key(pkey, priv, len)) {
293	0	EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED);
294	0	return 0;
295	0	}
296
297	0	return 1;
298	0	}
299
300		int EVP_PKEY_get_raw_public_key(const EVP_PKEY pkey, unsigned char pub,
301		size_t *len)
302	0	{
303	0	if (pkey->ameth->get_pub_key == NULL) {
304	0	EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY,
305	0	EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
306	0	return 0;
307	0	}
308
309	0	if (!pkey->ameth->get_pub_key(pkey, pub, len)) {
310	0	EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED);
311	0	return 0;
312	0	}
313
314	0	return 1;
315	0	}
316
317		EVP_PKEY EVP_PKEY_new_CMAC_key(ENGINE e, const unsigned char *priv,
318		size_t len, const EVP_CIPHER *cipher)
319	0	{
320	0	#ifndef OPENSSL_NO_CMAC
321	0	EVP_PKEY *ret = EVP_PKEY_new();
322	0	CMAC_CTX *cmctx = CMAC_CTX_new();
323
324	0	if (ret == NULL
325	0	\|\| cmctx == NULL
326	0	\|\| !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) {
327		/* EVPerr already called */
328	0	goto err;
329	0	}
330
331	0	if (!CMAC_Init(cmctx, priv, len, cipher, e)) {
332	0	EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED);
333	0	goto err;
334	0	}
335
336	0	ret->pkey.ptr = cmctx;
337	0	return ret;
338
339	0	err:
340	0	EVP_PKEY_free(ret);
341	0	CMAC_CTX_free(cmctx);
342	0	return NULL;
343		#else
344		EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY,
345		EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
346		return NULL;
347		#endif
348	0	}
349
350		int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
351	29.8k	{
352	29.8k	return pkey_set_type(pkey, NULL, type, NULL, -1);
353	29.8k	}
354
355		int EVP_PKEY_set_type_str(EVP_PKEY pkey, const char str, int len)
356	0	{
357	0	return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len);
358	0	}
359
360		int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type)
361	0	{
362	0	if (pkey->type == type) {
363	0	return 1; /* it already is that type */
364	0	}
365
366		/*
367		* The application is requesting to alias this to a different pkey type,
368		* but not one that resolves to the base type.
369		*/
370	0	if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) {
371	0	EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
372	0	return 0;
373	0	}
374
375	0	pkey->type = type;
376	0	return 1;
377	0	}
378
379		#ifndef OPENSSL_NO_ENGINE
380		int EVP_PKEY_set1_engine(EVP_PKEY pkey, ENGINE e)
381	0	{
382	0	if (e != NULL) {
383	0	if (!ENGINE_init(e)) {
384	0	EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB);
385	0	return 0;
386	0	}
387	0	if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) {
388	0	ENGINE_finish(e);
389	0	EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM);
390	0	return 0;
391	0	}
392	0	}
393	0	ENGINE_finish(pkey->pmeth_engine);
394	0	pkey->pmeth_engine = e;
395	0	return 1;
396	0	}
397
398		ENGINE EVP_PKEY_get0_engine(const EVP_PKEY pkey)
399	0	{
400	0	return pkey->engine;
401	0	}
402		#endif
403		int EVP_PKEY_assign(EVP_PKEY pkey, int type, void key)
404	29.8k	{
405	29.8k	if (pkey == NULL \|\| !EVP_PKEY_set_type(pkey, type))
406	0	return 0;
407	29.8k	pkey->pkey.ptr = key;
408	29.8k	return (key != NULL);
409	29.8k	}
410
411		void EVP_PKEY_get0(const EVP_PKEY pkey)
412	0	{
413	0	return pkey->pkey.ptr;
414	0	}
415
416		const unsigned char EVP_PKEY_get0_hmac(const EVP_PKEY pkey, size_t *len)
417	0	{
418	0	ASN1_OCTET_STRING *os = NULL;
419	0	if (pkey->type != EVP_PKEY_HMAC) {
420	0	EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY);
421	0	return NULL;
422	0	}
423	0	os = EVP_PKEY_get0(pkey);
424	0	*len = os->length;
425	0	return os->data;
426	0	}
427
428		#ifndef OPENSSL_NO_POLY1305
429		const unsigned char EVP_PKEY_get0_poly1305(const EVP_PKEY pkey, size_t *len)
430	0	{
431	0	ASN1_OCTET_STRING *os = NULL;
432	0	if (pkey->type != EVP_PKEY_POLY1305) {
433	0	EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY);
434	0	return NULL;
435	0	}
436	0	os = EVP_PKEY_get0(pkey);
437	0	*len = os->length;
438	0	return os->data;
439	0	}
440		#endif
441
442		#ifndef OPENSSL_NO_SIPHASH
443		const unsigned char EVP_PKEY_get0_siphash(const EVP_PKEY pkey, size_t *len)
444	0	{
445	0	ASN1_OCTET_STRING *os = NULL;
446
447	0	if (pkey->type != EVP_PKEY_SIPHASH) {
448	0	EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY);
449	0	return NULL;
450	0	}
451	0	os = EVP_PKEY_get0(pkey);
452	0	*len = os->length;
453	0	return os->data;
454	0	}
455		#endif
456
457		#ifndef OPENSSL_NO_RSA
458		int EVP_PKEY_set1_RSA(EVP_PKEY pkey, RSA key)
459	0	{
460	0	int ret = EVP_PKEY_assign_RSA(pkey, key);
461	0	if (ret)
462	0	RSA_up_ref(key);
463	0	return ret;
464	0	}
465
466		RSA EVP_PKEY_get0_RSA(EVP_PKEY pkey)
467	0	{
468	0	if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) {
469	0	EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
470	0	return NULL;
471	0	}
472	0	return pkey->pkey.rsa;
473	0	}
474
475		RSA EVP_PKEY_get1_RSA(EVP_PKEY pkey)
476	0	{
477	0	RSA *ret = EVP_PKEY_get0_RSA(pkey);
478	0	if (ret != NULL)
479	0	RSA_up_ref(ret);
480	0	return ret;
481	0	}
482		#endif
483
484		#ifndef OPENSSL_NO_DSA
485		int EVP_PKEY_set1_DSA(EVP_PKEY pkey, DSA key)
486	0	{
487	0	int ret = EVP_PKEY_assign_DSA(pkey, key);
488	0	if (ret)
489	0	DSA_up_ref(key);
490	0	return ret;
491	0	}
492
493		DSA EVP_PKEY_get0_DSA(EVP_PKEY pkey)
494	0	{
495	0	if (pkey->type != EVP_PKEY_DSA) {
496	0	EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY);
497	0	return NULL;
498	0	}
499	0	return pkey->pkey.dsa;
500	0	}
501
502		DSA EVP_PKEY_get1_DSA(EVP_PKEY pkey)
503	0	{
504	0	DSA *ret = EVP_PKEY_get0_DSA(pkey);
505	0	if (ret != NULL)
506	0	DSA_up_ref(ret);
507	0	return ret;
508	0	}
509		#endif
510
511		#ifndef OPENSSL_NO_EC
512
513		int EVP_PKEY_set1_EC_KEY(EVP_PKEY pkey, EC_KEY key)
514	0	{
515	0	int ret = EVP_PKEY_assign_EC_KEY(pkey, key);
516	0	if (ret)
517	0	EC_KEY_up_ref(key);
518	0	return ret;
519	0	}
520
521		EC_KEY EVP_PKEY_get0_EC_KEY(EVP_PKEY pkey)
522	0	{
523	0	if (pkey->type != EVP_PKEY_EC) {
524	0	EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
525	0	return NULL;
526	0	}
527	0	return pkey->pkey.ec;
528	0	}
529
530		EC_KEY EVP_PKEY_get1_EC_KEY(EVP_PKEY pkey)
531	0	{
532	0	EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey);
533	0	if (ret != NULL)
534	0	EC_KEY_up_ref(ret);
535	0	return ret;
536	0	}
537		#endif
538
539		#ifndef OPENSSL_NO_DH
540
541		int EVP_PKEY_set1_DH(EVP_PKEY pkey, DH key)
542	0	{
543	0	int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX;
544	0	int ret = EVP_PKEY_assign(pkey, type, key);
545
546	0	if (ret)
547	0	DH_up_ref(key);
548	0	return ret;
549	0	}
550
551		DH EVP_PKEY_get0_DH(EVP_PKEY pkey)
552	0	{
553	0	if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) {
554	0	EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY);
555	0	return NULL;
556	0	}
557	0	return pkey->pkey.dh;
558	0	}
559
560		DH EVP_PKEY_get1_DH(EVP_PKEY pkey)
561	0	{
562	0	DH *ret = EVP_PKEY_get0_DH(pkey);
563	0	if (ret != NULL)
564	0	DH_up_ref(ret);
565	0	return ret;
566	0	}
567		#endif
568
569		int EVP_PKEY_type(int type)
570	0	{
571	0	int ret;
572	0	const EVP_PKEY_ASN1_METHOD *ameth;
573	0	ENGINE *e;
574	0	ameth = EVP_PKEY_asn1_find(&e, type);
575	0	if (ameth)
576	0	ret = ameth->pkey_id;
577	0	else
578	0	ret = NID_undef;
579	0	#ifndef OPENSSL_NO_ENGINE
580	0	ENGINE_finish(e);
581	0	#endif
582	0	return ret;
583	0	}
584
585		int EVP_PKEY_id(const EVP_PKEY *pkey)
586	0	{
587	0	return pkey->type;
588	0	}
589
590		int EVP_PKEY_base_id(const EVP_PKEY *pkey)
591	0	{
592	0	return EVP_PKEY_type(pkey->type);
593	0	}
594
595		void EVP_PKEY_free(EVP_PKEY *x)
596	956k	{
597	956k	int i;
598
599	956k	if (x == NULL)
600	926k	return;
601
602	29.8k	CRYPTO_DOWN_REF(&x->references, &i, x->lock);
603	29.8k	REF_PRINT_COUNT("EVP_PKEY", x);
604	29.8k	if (i > 0)
605	0	return;
606	29.8k	REF_ASSERT_ISNT(i < 0);
607	29.8k	EVP_PKEY_free_it(x);
608	29.8k	CRYPTO_THREAD_lock_free(x->lock);
609	29.8k	sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
610	29.8k	OPENSSL_free(x);
611	29.8k	}
612
613		static void EVP_PKEY_free_it(EVP_PKEY *x)
614	29.8k	{
615		/* internal function; x is never NULL */
616	29.8k	if (x->ameth && x->ameth->pkey_free) {
617	29.8k	x->ameth->pkey_free(x);
618	29.8k	x->pkey.ptr = NULL;
619	29.8k	}
620	29.8k	#ifndef OPENSSL_NO_ENGINE
621	29.8k	ENGINE_finish(x->engine);
622	29.8k	x->engine = NULL;
623	29.8k	ENGINE_finish(x->pmeth_engine);
624	29.8k	x->pmeth_engine = NULL;
625	29.8k	#endif
626	29.8k	}
627
628		static int unsup_alg(BIO out, const EVP_PKEY pkey, int indent,
629		const char *kstr)
630	0	{
631	0	BIO_indent(out, indent, 128);
632	0	BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
633	0	kstr, OBJ_nid2ln(pkey->type));
634	0	return 1;
635	0	}
636
637		int EVP_PKEY_print_public(BIO out, const EVP_PKEY pkey,
638		int indent, ASN1_PCTX *pctx)
639	0	{
640	0	if (pkey->ameth && pkey->ameth->pub_print)
641	0	return pkey->ameth->pub_print(out, pkey, indent, pctx);
642
643	0	return unsup_alg(out, pkey, indent, "Public Key");
644	0	}
645
646		int EVP_PKEY_print_private(BIO out, const EVP_PKEY pkey,
647		int indent, ASN1_PCTX *pctx)
648	0	{
649	0	if (pkey->ameth && pkey->ameth->priv_print)
650	0	return pkey->ameth->priv_print(out, pkey, indent, pctx);
651
652	0	return unsup_alg(out, pkey, indent, "Private Key");
653	0	}
654
655		int EVP_PKEY_print_params(BIO out, const EVP_PKEY pkey,
656		int indent, ASN1_PCTX *pctx)
657	0	{
658	0	if (pkey->ameth && pkey->ameth->param_print)
659	0	return pkey->ameth->param_print(out, pkey, indent, pctx);
660	0	return unsup_alg(out, pkey, indent, "Parameters");
661	0	}
662
663		static int evp_pkey_asn1_ctrl(EVP_PKEY pkey, int op, int arg1, void arg2)
664	29.8k	{
665	29.8k	if (pkey->ameth == NULL \|\| pkey->ameth->pkey_ctrl == NULL)
666	0	return -2;
667	29.8k	return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2);
668	29.8k	}
669
670		int EVP_PKEY_get_default_digest_nid(EVP_PKEY pkey, int pnid)
671	0	{
672	0	return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid);
673	0	}
674
675		int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
676		const unsigned char *pt, size_t ptlen)
677	0	{
678	0	if (ptlen > INT_MAX)
679	0	return 0;
680	0	if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen,
681	0	(void *)pt) <= 0)
682	0	return 0;
683	0	return 1;
684	0	}
685
686		size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY pkey, unsigned char *ppt)
687	29.8k	{
688	29.8k	int rv;
689	29.8k	rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt);
690	29.8k	if (rv <= 0)
691	0	return 0;
692	29.8k	return rv;
693	29.8k	}