[thirdparty/openssl.git] / providers / implementations / serializers / serializer_dsa_pub.c

/*
 * Copyright 2019-2020 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
 */

/*
 * DSA low level APIs are deprecated for public use, but still ok for
 * internal use.
 */
#include "internal/deprecated.h"

#include <openssl/core_dispatch.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/dsa.h>
#include <openssl/types.h>
#include <openssl/params.h>
#include "prov/bio.h"
#include "prov/implementations.h"
#include "prov/provider_ctx.h"
#include "serializer_local.h"

static OSSL_FUNC_serializer_newctx_fn dsa_pub_newctx;
static OSSL_FUNC_serializer_freectx_fn dsa_pub_freectx;
static OSSL_FUNC_serializer_serialize_data_fn dsa_pub_der_data;
static OSSL_FUNC_serializer_serialize_object_fn dsa_pub_der;
static OSSL_FUNC_serializer_serialize_data_fn dsa_pub_pem_data;
static OSSL_FUNC_serializer_serialize_object_fn dsa_pub_pem;

static OSSL_FUNC_serializer_serialize_data_fn dsa_pub_print_data;
static OSSL_FUNC_serializer_serialize_object_fn dsa_pub_print;

/* Public key : context */

/*
 * There's no specific implementation context, so we use the provider context
 */
static void *dsa_pub_newctx(void *provctx)
{
    return provctx;
}

static void dsa_pub_freectx(void *ctx)
{
}

/* Public key : DER */
static int dsa_pub_der_data(void *ctx, const OSSL_PARAM params[],
                            OSSL_CORE_BIO *out,
                            OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_FUNC_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
    OSSL_FUNC_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
    OSSL_FUNC_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
    int ok = 0;

    if (dsa_import != NULL) {
        DSA *dsa;

        /* ctx == provctx */
        if ((dsa = dsa_new(ctx)) != NULL
            && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && dsa_pub_der(ctx, dsa, out, cb, cbarg))
            ok = 1;
        dsa_free(dsa);
    }
    return ok;
}

static int dsa_pub_der(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
                       OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    /*
     * TODO(v3.0) implement setting save_parameters, see dsa_pub_encode()
     * in crypto/dsa/dsa_ameth.c
     */
    int save_parameters = 1;
    BIO *out = bio_new_from_core_bio(ctx, cout);
    int ret;

    if (out == NULL)
        return 0;

    ret =
        save_parameters
        ? ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
                                           ossl_prov_prepare_all_dsa_params,
                                           ossl_prov_dsa_pub_to_der)
        : ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
                                           ossl_prov_prepare_dsa_params,
                                           ossl_prov_dsa_pub_to_der);

    BIO_free(out);

    return ret;
}

/* Public key : PEM */
static int dsa_pub_pem_data(void *ctx, const OSSL_PARAM params[],
                            OSSL_CORE_BIO *out,
                            OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_FUNC_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
    OSSL_FUNC_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
    OSSL_FUNC_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
    int ok = 0;

    if (dsa_import != NULL) {
        DSA *dsa;

        /* ctx == provctx */
        if ((dsa = dsa_new(ctx)) != NULL
            && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && dsa_pub_pem(ctx, dsa, out, cb, cbarg))
            ok = 1;
        dsa_free(dsa);
    }
    return ok;
}

static int dsa_pub_pem(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
                       OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    BIO *out = bio_new_from_core_bio(ctx, cout);
    int ret;

    if (out == NULL)
        return 0;

    ret = ossl_prov_write_pub_pem_from_obj(out, dsa, EVP_PKEY_DSA,
                                           ossl_prov_prepare_dsa_params,
                                           ossl_prov_dsa_pub_to_der);

    BIO_free(out);

    return ret;
}

static int dsa_pub_print_data(void *ctx, const OSSL_PARAM params[],
                              OSSL_CORE_BIO *out,
                              OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_FUNC_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
    OSSL_FUNC_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
    OSSL_FUNC_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
    int ok = 0;

    if (dsa_import != NULL) {
        DSA *dsa;

        /* ctx == provctx */
        if ((dsa = dsa_new(ctx)) != NULL
            && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && dsa_pub_print(ctx, dsa, out, cb, cbarg))
            ok = 1;
        dsa_free(dsa);
    }
    return ok;
}

static int dsa_pub_print(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
                         OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    BIO *out = bio_new_from_core_bio(ctx, cout);
    int ret;

    if (out == NULL)
        return 0;

    ret = ossl_prov_print_dsa(out, dsa, 0);
    BIO_free(out);

    return ret;
}

const OSSL_DISPATCH dsa_pub_der_serializer_functions[] = {
    { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
    { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_der_data },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_der },
    { 0, NULL }
};

const OSSL_DISPATCH dsa_pub_pem_serializer_functions[] = {
    { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
    { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_pem_data },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_pem },
    { 0, NULL }
};

const OSSL_DISPATCH dsa_pub_text_serializer_functions[] = {
    { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
    { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_print },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
      (void (*)(void))dsa_pub_print_data },
    { 0, NULL }
};
Commit	Line	Data
264b789b	1	/*
33388b44	2	* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
264b789b RL	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
f41ac0ee P	10	/*
	11	* DSA low level APIs are deprecated for public use, but still ok for
	12	* internal use.
	13	*/
	14	#include "internal/deprecated.h"
	15
23c48d94	16	#include <openssl/core_dispatch.h>
264b789b RL	17	#include <openssl/err.h>
	18	#include <openssl/pem.h>
	19	#include <openssl/dsa.h>
	20	#include <openssl/types.h>
	21	#include <openssl/params.h>
	22	#include "prov/bio.h"
	23	#include "prov/implementations.h"
d40b42ab	24	#include "prov/provider_ctx.h"
264b789b RL	25	#include "serializer_local.h"
264b789b RL	26
363b1e5d DMSP	27	static OSSL_FUNC_serializer_newctx_fn dsa_pub_newctx;
	28	static OSSL_FUNC_serializer_freectx_fn dsa_pub_freectx;
	29	static OSSL_FUNC_serializer_serialize_data_fn dsa_pub_der_data;
	30	static OSSL_FUNC_serializer_serialize_object_fn dsa_pub_der;
	31	static OSSL_FUNC_serializer_serialize_data_fn dsa_pub_pem_data;
	32	static OSSL_FUNC_serializer_serialize_object_fn dsa_pub_pem;
264b789b	33
363b1e5d DMSP	34	static OSSL_FUNC_serializer_serialize_data_fn dsa_pub_print_data;
363b1e5d DMSP	35	static OSSL_FUNC_serializer_serialize_object_fn dsa_pub_print;
264b789b RL	36
	37	/* Public key : context */
	38
	39	/*
	40	* There's no specific implementation context, so we use the provider context
	41	*/
	42	static void dsa_pub_newctx(void provctx)
	43	{
	44	return provctx;
	45	}
	46
	47	static void dsa_pub_freectx(void *ctx)
	48	{
	49	}
	50
	51	/* Public key : DER */
d40b42ab MC	52	static int dsa_pub_der_data(void *ctx, const OSSL_PARAM params[],
d40b42ab MC	53	OSSL_CORE_BIO *out,
264b789b RL	54	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
264b789b RL	55	{
363b1e5d DMSP	56	OSSL_FUNC_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
	57	OSSL_FUNC_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
	58	OSSL_FUNC_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
264b789b RL	59	int ok = 0;
264b789b RL	60
32b0645c RL	61	if (dsa_import != NULL) {
32b0645c RL	62	DSA *dsa;
264b789b	63
32b0645c RL	64	/* ctx == provctx */
	65	if ((dsa = dsa_new(ctx)) != NULL
	66	&& dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	67	&& dsa_pub_der(ctx, dsa, out, cb, cbarg))
	68	ok = 1;
	69	dsa_free(dsa);
264b789b RL	70	}
	71	return ok;
	72	}
	73
d40b42ab	74	static int dsa_pub_der(void ctx, void dsa, OSSL_CORE_BIO *cout,
264b789b RL	75	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	76	{
	77	/*
	78	* TODO(v3.0) implement setting save_parameters, see dsa_pub_encode()
	79	* in crypto/dsa/dsa_ameth.c
	80	*/
	81	int save_parameters = 1;
d40b42ab MC	82	BIO *out = bio_new_from_core_bio(ctx, cout);
d40b42ab MC	83	int ret;
264b789b	84
d40b42ab MC	85	if (out == NULL)
	86	return 0;
	87
	88	ret =
264b789b RL	89	save_parameters
	90	? ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
	91	ossl_prov_prepare_all_dsa_params,
	92	ossl_prov_dsa_pub_to_der)
	93	: ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
	94	ossl_prov_prepare_dsa_params,
	95	ossl_prov_dsa_pub_to_der);
	96
d40b42ab MC	97	BIO_free(out);
	98
	99	return ret;
264b789b RL	100	}
	101
	102	/* Public key : PEM */
d40b42ab MC	103	static int dsa_pub_pem_data(void *ctx, const OSSL_PARAM params[],
d40b42ab MC	104	OSSL_CORE_BIO *out,
264b789b RL	105	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
264b789b RL	106	{
363b1e5d DMSP	107	OSSL_FUNC_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
	108	OSSL_FUNC_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
	109	OSSL_FUNC_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
264b789b RL	110	int ok = 0;
264b789b RL	111
32b0645c RL	112	if (dsa_import != NULL) {
32b0645c RL	113	DSA *dsa;
264b789b	114
32b0645c RL	115	/* ctx == provctx */
	116	if ((dsa = dsa_new(ctx)) != NULL
	117	&& dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	118	&& dsa_pub_pem(ctx, dsa, out, cb, cbarg))
	119	ok = 1;
	120	dsa_free(dsa);
264b789b RL	121	}
	122	return ok;
	123	}
	124
d40b42ab	125	static int dsa_pub_pem(void ctx, void dsa, OSSL_CORE_BIO *cout,
264b789b RL	126	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
264b789b RL	127	{
d40b42ab MC	128	BIO *out = bio_new_from_core_bio(ctx, cout);
	129	int ret;
	130
	131	if (out == NULL)
	132	return 0;
	133
	134	ret = ossl_prov_write_pub_pem_from_obj(out, dsa, EVP_PKEY_DSA,
	135	ossl_prov_prepare_dsa_params,
	136	ossl_prov_dsa_pub_to_der);
	137
	138	BIO_free(out);
	139
	140	return ret;
264b789b RL	141	}
264b789b RL	142
d40b42ab MC	143	static int dsa_pub_print_data(void *ctx, const OSSL_PARAM params[],
d40b42ab MC	144	OSSL_CORE_BIO *out,
264b789b RL	145	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
264b789b RL	146	{
363b1e5d DMSP	147	OSSL_FUNC_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
	148	OSSL_FUNC_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
	149	OSSL_FUNC_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
264b789b RL	150	int ok = 0;
264b789b RL	151
32b0645c RL	152	if (dsa_import != NULL) {
32b0645c RL	153	DSA *dsa;
264b789b	154
32b0645c RL	155	/* ctx == provctx */
	156	if ((dsa = dsa_new(ctx)) != NULL
	157	&& dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	158	&& dsa_pub_print(ctx, dsa, out, cb, cbarg))
	159	ok = 1;
	160	dsa_free(dsa);
264b789b RL	161	}
	162	return ok;
	163	}
	164
d40b42ab	165	static int dsa_pub_print(void ctx, void dsa, OSSL_CORE_BIO *cout,
264b789b RL	166	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
264b789b RL	167	{
d40b42ab MC	168	BIO *out = bio_new_from_core_bio(ctx, cout);
	169	int ret;
	170
	171	if (out == NULL)
	172	return 0;
	173
	174	ret = ossl_prov_print_dsa(out, dsa, 0);
	175	BIO_free(out);
	176
	177	return ret;
264b789b RL	178	}
	179
	180	const OSSL_DISPATCH dsa_pub_der_serializer_functions[] = {
	181	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
	182	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
	183	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_der_data },
	184	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_der },
	185	{ 0, NULL }
	186	};
	187
	188	const OSSL_DISPATCH dsa_pub_pem_serializer_functions[] = {
	189	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
	190	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
	191	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_pem_data },
	192	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_pem },
	193	{ 0, NULL }
	194	};
	195
	196	const OSSL_DISPATCH dsa_pub_text_serializer_functions[] = {
	197	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
	198	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
	199	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_print },
	200	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
	201	(void (*)(void))dsa_pub_print_data },
	202	{ 0, NULL }
	203	};