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

/*
 * Copyright 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 <openssl/core_dispatch.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/types.h>
#include <openssl/params.h>
#include "crypto/ecx.h"
#include "prov/bio.h"
#include "prov/implementations.h"
#include "prov/provider_ctx.h"
#include "serializer_local.h"

static OSSL_FUNC_serializer_newctx_fn x25519_pub_newctx;
static OSSL_FUNC_serializer_newctx_fn x448_pub_newctx;
static OSSL_FUNC_serializer_newctx_fn ed25519_pub_newctx;
static OSSL_FUNC_serializer_newctx_fn ed448_pub_newctx;
static OSSL_FUNC_serializer_freectx_fn ecx_pub_freectx;
static OSSL_FUNC_serializer_serialize_data_fn ecx_pub_der_data;
static OSSL_FUNC_serializer_serialize_object_fn ecx_pub_der;
static OSSL_FUNC_serializer_serialize_data_fn ecx_pub_pem_data;
static OSSL_FUNC_serializer_serialize_object_fn ecx_pub_pem;

static OSSL_FUNC_serializer_serialize_data_fn ecx_pub_print_data;
static OSSL_FUNC_serializer_serialize_object_fn ecx_pub_print;

/*
 * Context used for public key serialization.
 */
struct ecx_pub_ctx_st {
    void *provctx;
    ECX_KEY_TYPE type;
};

/* Public key : context */
static void *ecx_pub_newctx(void *provctx, ECX_KEY_TYPE type)
{
    struct ecx_pub_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx));

    if (ctx != NULL) {
        ctx->provctx = provctx;
        ctx->type = type;
    }
    return ctx;
}

static void *x25519_pub_newctx(void *provctx)
{
    return ecx_pub_newctx(provctx, ECX_KEY_TYPE_X25519);
}

static void *x448_pub_newctx(void *provctx)
{
    return ecx_pub_newctx(provctx, ECX_KEY_TYPE_X448);
}

static void *ed25519_pub_newctx(void *provctx)
{
    return ecx_pub_newctx(provctx, ECX_KEY_TYPE_ED25519);
}

static void *ed448_pub_newctx(void *provctx)
{
    return ecx_pub_newctx(provctx, ECX_KEY_TYPE_ED448);
}

static void ecx_pub_freectx(void *ctx)
{
    OPENSSL_free(ctx);
}

/* Public key : DER */
static int ecx_pub_der_data(void *vctx, const OSSL_PARAM params[],
                            OSSL_CORE_BIO *out,
                            OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct ecx_pub_ctx_st *ctx = vctx;
    OSSL_FUNC_keymgmt_new_fn *ecx_new;
    OSSL_FUNC_keymgmt_free_fn *ecx_free;
    OSSL_FUNC_keymgmt_import_fn *ecx_import;
    int ok = 0;

    ecx_get_new_free_import(ctx->type, &ecx_new, &ecx_free, &ecx_import);

    if (ecx_import != NULL) {
        ECX_KEY *ecxkey;

        if ((ecxkey = ecx_new(ctx->provctx)) != NULL
            && ecx_import(ecxkey, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && ecx_pub_der(ctx, ecxkey, out, cb, cbarg))
            ok = 1;
        ecx_free(ecxkey);
    }
    return ok;
}

static int ecx_pub_der(void *vctx, void *ecxkey, OSSL_CORE_BIO *cout,
                       OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct ecx_pub_ctx_st *ctx = vctx;
    BIO *out = bio_new_from_core_bio(ctx->provctx, cout);
    int ret;

    if (out == NULL)
        return 0;

    ret = ossl_prov_write_pub_der_from_obj(out, ecxkey,
                                           KEYTYPE2NID(ctx->type),
                                           NULL,
                                           ossl_prov_ecx_pub_to_der);
    BIO_free(out);

    return ret;
}

/* Public key : PEM */
static int ecx_pub_pem_data(void *vctx, const OSSL_PARAM params[],
                            OSSL_CORE_BIO *out,
                            OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct ecx_pub_ctx_st *ctx = vctx;
    OSSL_FUNC_keymgmt_new_fn *ecx_new;
    OSSL_FUNC_keymgmt_free_fn *ecx_free;
    OSSL_FUNC_keymgmt_import_fn *ecx_import;
    int ok = 0;

    ecx_get_new_free_import(ctx->type, &ecx_new, &ecx_free, &ecx_import);

    if (ecx_import != NULL) {
        ECX_KEY *ecxkey;

        if ((ecxkey = ecx_new(ctx->provctx)) != NULL
            && ecx_import(ecxkey, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && ecx_pub_pem(ctx, ecxkey, out, cb, cbarg))
            ok = 1;
        ecx_free(ecxkey);
    }
    return ok;
}

static int ecx_pub_pem(void *vctx, void *ecxkey, OSSL_CORE_BIO *cout,
                       OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct ecx_pub_ctx_st *ctx = vctx;
    BIO *out = bio_new_from_core_bio(ctx->provctx, cout);
    int ret;

    if (out == NULL)
        return 0;

    ret = ossl_prov_write_pub_pem_from_obj(out, ecxkey,
                                           KEYTYPE2NID(ctx->type),
                                           NULL,
                                           ossl_prov_ecx_pub_to_der);
    BIO_free(out);

    return ret;
}

static int ecx_pub_print_data(void *vctx, const OSSL_PARAM params[],
                              OSSL_CORE_BIO *out,
                              OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct ecx_pub_ctx_st *ctx = vctx;
    OSSL_FUNC_keymgmt_new_fn *ecx_new;
    OSSL_FUNC_keymgmt_free_fn *ecx_free;
    OSSL_FUNC_keymgmt_import_fn *ecx_import;
    int ok = 0;

    ecx_get_new_free_import(ctx->type, &ecx_new, &ecx_free, &ecx_import);

    if (ecx_import != NULL) {
        ECX_KEY *ecxkey;

        if ((ecxkey = ecx_new(ctx)) != NULL
            && ecx_import(ecxkey, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && ecx_pub_print(ctx, ecxkey, out, cb, cbarg))
            ok = 1;
        ecx_free(ecxkey);
    }
    return ok;
}

static int ecx_pub_print(void *vctx, void *ecxkey, OSSL_CORE_BIO *cout,
                         OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct ecx_pub_ctx_st *ctx = vctx;
    BIO *out = bio_new_from_core_bio(ctx->provctx, cout);
    int ret;

    if (out == NULL)
        return 0;

    ret = ossl_prov_print_ecx(out, ecxkey, ecx_print_pub);
    BIO_free(out);

    return ret;
}

#define MAKE_SERIALIZER_FUNCTIONS(alg, type) \
    const OSSL_DISPATCH alg##_pub_##type##_serializer_functions[] = { \
        { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))alg##_pub_newctx }, \
        { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))ecx_pub_freectx }, \
        { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, \
          (void (*)(void))ecx_pub_##type##_data }, \
        { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, \
          (void (*)(void))ecx_pub_##type }, \
        { 0, NULL } \
    };

#define MAKE_SERIALIZER_FUNCTIONS_GROUP(alg) \
    MAKE_SERIALIZER_FUNCTIONS(alg, der) \
    MAKE_SERIALIZER_FUNCTIONS(alg, pem) \
    MAKE_SERIALIZER_FUNCTIONS(alg, print)

MAKE_SERIALIZER_FUNCTIONS_GROUP(x25519)
MAKE_SERIALIZER_FUNCTIONS_GROUP(x448)
MAKE_SERIALIZER_FUNCTIONS_GROUP(ed25519)
MAKE_SERIALIZER_FUNCTIONS_GROUP(ed448)
Commit	Line	Data
8efc4a9c MC	1	/*
	2	* Copyright 2020 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
23c48d94	10	#include <openssl/core_dispatch.h>
8efc4a9c MC	11	#include <openssl/err.h>
	12	#include <openssl/pem.h>
	13	#include <openssl/types.h>
	14	#include <openssl/params.h>
244bc297	15	#include "crypto/ecx.h"
8efc4a9c MC	16	#include "prov/bio.h"
8efc4a9c MC	17	#include "prov/implementations.h"
d40b42ab	18	#include "prov/provider_ctx.h"
8efc4a9c MC	19	#include "serializer_local.h"
8efc4a9c MC	20
363b1e5d DMSP	21	static OSSL_FUNC_serializer_newctx_fn x25519_pub_newctx;
	22	static OSSL_FUNC_serializer_newctx_fn x448_pub_newctx;
	23	static OSSL_FUNC_serializer_newctx_fn ed25519_pub_newctx;
	24	static OSSL_FUNC_serializer_newctx_fn ed448_pub_newctx;
	25	static OSSL_FUNC_serializer_freectx_fn ecx_pub_freectx;
	26	static OSSL_FUNC_serializer_serialize_data_fn ecx_pub_der_data;
	27	static OSSL_FUNC_serializer_serialize_object_fn ecx_pub_der;
	28	static OSSL_FUNC_serializer_serialize_data_fn ecx_pub_pem_data;
	29	static OSSL_FUNC_serializer_serialize_object_fn ecx_pub_pem;
	30
	31	static OSSL_FUNC_serializer_serialize_data_fn ecx_pub_print_data;
	32	static OSSL_FUNC_serializer_serialize_object_fn ecx_pub_print;
8efc4a9c MC	33
	34	/*
	35	* Context used for public key serialization.
	36	*/
	37	struct ecx_pub_ctx_st {
	38	void *provctx;
	39	ECX_KEY_TYPE type;
	40	};
	41
	42	/* Public key : context */
	43	static void ecx_pub_newctx(void provctx, ECX_KEY_TYPE type)
	44	{
	45	struct ecx_pub_ctx_st ctx = OPENSSL_zalloc(sizeof(ctx));
	46
	47	if (ctx != NULL) {
	48	ctx->provctx = provctx;
	49	ctx->type = type;
	50	}
	51	return ctx;
	52	}
	53
	54	static void x25519_pub_newctx(void provctx)
	55	{
	56	return ecx_pub_newctx(provctx, ECX_KEY_TYPE_X25519);
	57	}
	58
	59	static void x448_pub_newctx(void provctx)
	60	{
	61	return ecx_pub_newctx(provctx, ECX_KEY_TYPE_X448);
	62	}
	63
244bc297 MC	64	static void ed25519_pub_newctx(void provctx)
	65	{
	66	return ecx_pub_newctx(provctx, ECX_KEY_TYPE_ED25519);
	67	}
	68
	69	static void ed448_pub_newctx(void provctx)
	70	{
	71	return ecx_pub_newctx(provctx, ECX_KEY_TYPE_ED448);
	72	}
	73
8efc4a9c MC	74	static void ecx_pub_freectx(void *ctx)
	75	{
	76	OPENSSL_free(ctx);
	77	}
	78
	79	/* Public key : DER */
d40b42ab MC	80	static int ecx_pub_der_data(void *vctx, const OSSL_PARAM params[],
d40b42ab MC	81	OSSL_CORE_BIO *out,
8efc4a9c MC	82	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	83	{
	84	struct ecx_pub_ctx_st *ctx = vctx;
363b1e5d DMSP	85	OSSL_FUNC_keymgmt_new_fn *ecx_new;
	86	OSSL_FUNC_keymgmt_free_fn *ecx_free;
	87	OSSL_FUNC_keymgmt_import_fn *ecx_import;
8efc4a9c MC	88	int ok = 0;
	89
	90	ecx_get_new_free_import(ctx->type, &ecx_new, &ecx_free, &ecx_import);
	91
	92	if (ecx_import != NULL) {
	93	ECX_KEY *ecxkey;
	94
	95	if ((ecxkey = ecx_new(ctx->provctx)) != NULL
	96	&& ecx_import(ecxkey, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	97	&& ecx_pub_der(ctx, ecxkey, out, cb, cbarg))
	98	ok = 1;
	99	ecx_free(ecxkey);
	100	}
	101	return ok;
	102	}
	103
d40b42ab	104	static int ecx_pub_der(void vctx, void ecxkey, OSSL_CORE_BIO *cout,
8efc4a9c MC	105	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	106	{
	107	struct ecx_pub_ctx_st *ctx = vctx;
d40b42ab MC	108	BIO *out = bio_new_from_core_bio(ctx->provctx, cout);
d40b42ab MC	109	int ret;
8efc4a9c	110
d40b42ab MC	111	if (out == NULL)
	112	return 0;
	113
	114	ret = ossl_prov_write_pub_der_from_obj(out, ecxkey,
	115	KEYTYPE2NID(ctx->type),
	116	NULL,
	117	ossl_prov_ecx_pub_to_der);
	118	BIO_free(out);
	119
	120	return ret;
8efc4a9c MC	121	}
	122
	123	/* Public key : PEM */
d40b42ab MC	124	static int ecx_pub_pem_data(void *vctx, const OSSL_PARAM params[],
d40b42ab MC	125	OSSL_CORE_BIO *out,
8efc4a9c MC	126	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	127	{
	128	struct ecx_pub_ctx_st *ctx = vctx;
363b1e5d DMSP	129	OSSL_FUNC_keymgmt_new_fn *ecx_new;
	130	OSSL_FUNC_keymgmt_free_fn *ecx_free;
	131	OSSL_FUNC_keymgmt_import_fn *ecx_import;
8efc4a9c MC	132	int ok = 0;
	133
	134	ecx_get_new_free_import(ctx->type, &ecx_new, &ecx_free, &ecx_import);
	135
	136	if (ecx_import != NULL) {
	137	ECX_KEY *ecxkey;
	138
	139	if ((ecxkey = ecx_new(ctx->provctx)) != NULL
	140	&& ecx_import(ecxkey, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	141	&& ecx_pub_pem(ctx, ecxkey, out, cb, cbarg))
	142	ok = 1;
	143	ecx_free(ecxkey);
	144	}
	145	return ok;
	146	}
	147
d40b42ab	148	static int ecx_pub_pem(void vctx, void ecxkey, OSSL_CORE_BIO *cout,
8efc4a9c MC	149	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	150	{
	151	struct ecx_pub_ctx_st *ctx = vctx;
d40b42ab MC	152	BIO *out = bio_new_from_core_bio(ctx->provctx, cout);
d40b42ab MC	153	int ret;
8efc4a9c	154
d40b42ab MC	155	if (out == NULL)
d40b42ab MC	156	return 0;
8efc4a9c	157
d40b42ab MC	158	ret = ossl_prov_write_pub_pem_from_obj(out, ecxkey,
	159	KEYTYPE2NID(ctx->type),
	160	NULL,
	161	ossl_prov_ecx_pub_to_der);
	162	BIO_free(out);
	163
	164	return ret;
8efc4a9c MC	165	}
8efc4a9c MC	166
d40b42ab MC	167	static int ecx_pub_print_data(void *vctx, const OSSL_PARAM params[],
d40b42ab MC	168	OSSL_CORE_BIO *out,
8efc4a9c MC	169	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	170	{
	171	struct ecx_pub_ctx_st *ctx = vctx;
363b1e5d DMSP	172	OSSL_FUNC_keymgmt_new_fn *ecx_new;
	173	OSSL_FUNC_keymgmt_free_fn *ecx_free;
	174	OSSL_FUNC_keymgmt_import_fn *ecx_import;
8efc4a9c MC	175	int ok = 0;
	176
	177	ecx_get_new_free_import(ctx->type, &ecx_new, &ecx_free, &ecx_import);
	178
	179	if (ecx_import != NULL) {
	180	ECX_KEY *ecxkey;
	181
	182	if ((ecxkey = ecx_new(ctx)) != NULL
	183	&& ecx_import(ecxkey, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	184	&& ecx_pub_print(ctx, ecxkey, out, cb, cbarg))
	185	ok = 1;
	186	ecx_free(ecxkey);
	187	}
	188	return ok;
	189	}
	190
d40b42ab	191	static int ecx_pub_print(void vctx, void ecxkey, OSSL_CORE_BIO *cout,
8efc4a9c MC	192	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
8efc4a9c MC	193	{
d40b42ab MC	194	struct ecx_pub_ctx_st *ctx = vctx;
	195	BIO *out = bio_new_from_core_bio(ctx->provctx, cout);
	196	int ret;
	197
	198	if (out == NULL)
	199	return 0;
	200
	201	ret = ossl_prov_print_ecx(out, ecxkey, ecx_print_pub);
	202	BIO_free(out);
	203
	204	return ret;
8efc4a9c MC	205	}
	206
	207	#define MAKE_SERIALIZER_FUNCTIONS(alg, type) \
	208	const OSSL_DISPATCH alg##_pub_##type##_serializer_functions[] = { \
	209	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))alg##_pub_newctx }, \
	210	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))ecx_pub_freectx }, \
	211	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, \
	212	(void (*)(void))ecx_pub_##type##_data }, \
	213	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, \
	214	(void (*)(void))ecx_pub_##type }, \
	215	{ 0, NULL } \
	216	};
	217
	218	#define MAKE_SERIALIZER_FUNCTIONS_GROUP(alg) \
	219	MAKE_SERIALIZER_FUNCTIONS(alg, der) \
	220	MAKE_SERIALIZER_FUNCTIONS(alg, pem) \
	221	MAKE_SERIALIZER_FUNCTIONS(alg, print)
	222
	223	MAKE_SERIALIZER_FUNCTIONS_GROUP(x25519)
	224	MAKE_SERIALIZER_FUNCTIONS_GROUP(x448)
244bc297 MC	225	MAKE_SERIALIZER_FUNCTIONS_GROUP(ed25519)
244bc297 MC	226	MAKE_SERIALIZER_FUNCTIONS_GROUP(ed448)