[thirdparty/openssl.git] / providers / implementations / encode_decode / encoder_rsa_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
 */

/*
 * RSA 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/pem.h>
#include <openssl/rsa.h>
#include <openssl/types.h>
#include <openssl/params.h>
#include "prov/bio.h"
#include "prov/implementations.h"
#include "prov/providercommonerr.h"
#include "prov/provider_ctx.h"
#include "encoder_local.h"

static OSSL_FUNC_encoder_newctx_fn rsa_pub_newctx;
static OSSL_FUNC_encoder_freectx_fn rsa_pub_freectx;
static OSSL_FUNC_encoder_encode_data_fn rsa_pub_der_data;
static OSSL_FUNC_encoder_encode_object_fn rsa_pub_der;
static OSSL_FUNC_encoder_encode_data_fn rsa_pub_pem_data;
static OSSL_FUNC_encoder_encode_object_fn rsa_pub_pem;

static OSSL_FUNC_encoder_encode_data_fn rsa_pub_print_data;
static OSSL_FUNC_encoder_encode_object_fn rsa_pub_print;

/* Public key : context */

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

static void rsa_pub_freectx(void *ctx)
{
}

/* Public key : DER */
static int rsa_pub_der_data(void *ctx, const OSSL_PARAM params[],
                            OSSL_CORE_BIO *out,
                            OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_FUNC_keymgmt_new_fn *rsa_new = ossl_prov_get_keymgmt_rsa_new();
    OSSL_FUNC_keymgmt_free_fn *rsa_free = ossl_prov_get_keymgmt_rsa_free();
    OSSL_FUNC_keymgmt_import_fn *rsa_import = ossl_prov_get_keymgmt_rsa_import();
    int ok = 0;

    if (rsa_import != NULL) {
        RSA *rsa;

        /* ctx == provctx */
        if ((rsa = rsa_new(ctx)) != NULL
            && rsa_import(rsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && rsa_pub_der(ctx, rsa, out, cb, cbarg))
            ok = 1;
        rsa_free(rsa);
    }
    return ok;
}

static int rsa_pub_der(void *ctx, void *rsa, 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_der_from_obj(out, rsa,
                                           ossl_prov_rsa_type_to_evp(rsa),
                                           ossl_prov_prepare_rsa_params,
                                           (i2d_of_void *)i2d_RSAPublicKey);
    BIO_free(out);

    return ret;
}

/* Public key : PEM */
static int rsa_pub_pem_data(void *ctx, const OSSL_PARAM params[],
                            OSSL_CORE_BIO *out,
                            OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_FUNC_keymgmt_new_fn *rsa_new = ossl_prov_get_keymgmt_rsa_new();
    OSSL_FUNC_keymgmt_free_fn *rsa_free = ossl_prov_get_keymgmt_rsa_free();
    OSSL_FUNC_keymgmt_import_fn *rsa_import = ossl_prov_get_keymgmt_rsa_import();
    int ok = 0;

    if (rsa_import != NULL) {
        RSA *rsa;

        /* ctx == provctx */
        if ((rsa = rsa_new(ctx)) != NULL
            && rsa_import(rsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && rsa_pub_pem(ctx, rsa, out, cb, cbarg))
            ok = 1;
        rsa_free(rsa);
    }
    return ok;
}

static int rsa_pub_pem(void *ctx, void *rsa, 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, rsa,
                                           ossl_prov_rsa_type_to_evp(rsa),
                                           ossl_prov_prepare_rsa_params,
                                           (i2d_of_void *)i2d_RSAPublicKey);
    BIO_free(out);

    return ret;
}

static int rsa_pub_print_data(void *ctx, const OSSL_PARAM params[],
                              OSSL_CORE_BIO *out,
                              OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_FUNC_keymgmt_new_fn *rsa_new = ossl_prov_get_keymgmt_rsa_new();
    OSSL_FUNC_keymgmt_free_fn *rsa_free = ossl_prov_get_keymgmt_rsa_free();
    OSSL_FUNC_keymgmt_import_fn *rsa_import = ossl_prov_get_keymgmt_rsa_import();
    int ok = 0;

    if (rsa_import != NULL) {
        RSA *rsa;

        /* ctx == provctx */
        if ((rsa = rsa_new(ctx)) != NULL
            && rsa_import(rsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
            && rsa_pub_print(ctx, rsa, out, cb, cbarg))
            ok = 1;
        rsa_free(rsa);
    }
    return ok;
}

static int rsa_pub_print(void *ctx, void *rsa, 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_rsa(out, rsa, 0);
    BIO_free(out);

    return ret;
}

const OSSL_DISPATCH rsa_pub_der_encoder_functions[] = {
    { OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))rsa_pub_newctx },
    { OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))rsa_pub_freectx },
    { OSSL_FUNC_ENCODER_ENCODE_DATA, (void (*)(void))rsa_pub_der_data },
    { OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))rsa_pub_der },
    { 0, NULL }
};

const OSSL_DISPATCH rsa_pub_pem_encoder_functions[] = {
    { OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))rsa_pub_newctx },
    { OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))rsa_pub_freectx },
    { OSSL_FUNC_ENCODER_ENCODE_DATA, (void (*)(void))rsa_pub_pem_data },
    { OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))rsa_pub_pem },
    { 0, NULL }
};

const OSSL_DISPATCH rsa_pub_text_encoder_functions[] = {
    { OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))rsa_pub_newctx },
    { OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))rsa_pub_freectx },
    { OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))rsa_pub_print },
    { OSSL_FUNC_ENCODER_ENCODE_DATA,
      (void (*)(void))rsa_pub_print_data },
    { 0, NULL }
};
Commit	Line	Data
677add38	1	/*
33388b44	2	* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
677add38 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
c5f87134 P	10	/*
	11	* RSA 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>
677add38 RL	17	#include <openssl/pem.h>
	18	#include <openssl/rsa.h>
	19	#include <openssl/types.h>
	20	#include <openssl/params.h>
	21	#include "prov/bio.h"
	22	#include "prov/implementations.h"
	23	#include "prov/providercommonerr.h"
d40b42ab	24	#include "prov/provider_ctx.h"
ece9304c	25	#include "encoder_local.h"
677add38	26
ece9304c RL	27	static OSSL_FUNC_encoder_newctx_fn rsa_pub_newctx;
	28	static OSSL_FUNC_encoder_freectx_fn rsa_pub_freectx;
	29	static OSSL_FUNC_encoder_encode_data_fn rsa_pub_der_data;
	30	static OSSL_FUNC_encoder_encode_object_fn rsa_pub_der;
	31	static OSSL_FUNC_encoder_encode_data_fn rsa_pub_pem_data;
	32	static OSSL_FUNC_encoder_encode_object_fn rsa_pub_pem;
677add38	33
ece9304c RL	34	static OSSL_FUNC_encoder_encode_data_fn rsa_pub_print_data;
ece9304c RL	35	static OSSL_FUNC_encoder_encode_object_fn rsa_pub_print;
677add38 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 rsa_pub_newctx(void provctx)
	43	{
	44	return provctx;
	45	}
	46
	47	static void rsa_pub_freectx(void *ctx)
	48	{
	49	}
	50
	51	/* Public key : DER */
d40b42ab MC	52	static int rsa_pub_der_data(void *ctx, const OSSL_PARAM params[],
d40b42ab MC	53	OSSL_CORE_BIO *out,
677add38 RL	54	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
677add38 RL	55	{
363b1e5d DMSP	56	OSSL_FUNC_keymgmt_new_fn *rsa_new = ossl_prov_get_keymgmt_rsa_new();
	57	OSSL_FUNC_keymgmt_free_fn *rsa_free = ossl_prov_get_keymgmt_rsa_free();
	58	OSSL_FUNC_keymgmt_import_fn *rsa_import = ossl_prov_get_keymgmt_rsa_import();
677add38 RL	59	int ok = 0;
677add38 RL	60
32b0645c RL	61	if (rsa_import != NULL) {
32b0645c RL	62	RSA *rsa;
677add38	63
32b0645c RL	64	/* ctx == provctx */
	65	if ((rsa = rsa_new(ctx)) != NULL
	66	&& rsa_import(rsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	67	&& rsa_pub_der(ctx, rsa, out, cb, cbarg))
	68	ok = 1;
	69	rsa_free(rsa);
677add38 RL	70	}
	71	return ok;
	72	}
	73
d40b42ab	74	static int rsa_pub_der(void ctx, void rsa, OSSL_CORE_BIO *cout,
677add38 RL	75	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
677add38 RL	76	{
d40b42ab MC	77	BIO *out = bio_new_from_core_bio(ctx, cout);
	78	int ret;
	79
	80	if (out == NULL)
	81	return 0;
	82
	83	ret = ossl_prov_write_pub_der_from_obj(out, rsa,
	84	ossl_prov_rsa_type_to_evp(rsa),
	85	ossl_prov_prepare_rsa_params,
	86	(i2d_of_void *)i2d_RSAPublicKey);
	87	BIO_free(out);
	88
	89	return ret;
677add38 RL	90	}
	91
	92	/* Public key : PEM */
d40b42ab MC	93	static int rsa_pub_pem_data(void *ctx, const OSSL_PARAM params[],
d40b42ab MC	94	OSSL_CORE_BIO *out,
677add38 RL	95	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
677add38 RL	96	{
363b1e5d DMSP	97	OSSL_FUNC_keymgmt_new_fn *rsa_new = ossl_prov_get_keymgmt_rsa_new();
	98	OSSL_FUNC_keymgmt_free_fn *rsa_free = ossl_prov_get_keymgmt_rsa_free();
	99	OSSL_FUNC_keymgmt_import_fn *rsa_import = ossl_prov_get_keymgmt_rsa_import();
677add38 RL	100	int ok = 0;
677add38 RL	101
32b0645c RL	102	if (rsa_import != NULL) {
32b0645c RL	103	RSA *rsa;
677add38	104
32b0645c RL	105	/* ctx == provctx */
	106	if ((rsa = rsa_new(ctx)) != NULL
	107	&& rsa_import(rsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	108	&& rsa_pub_pem(ctx, rsa, out, cb, cbarg))
	109	ok = 1;
	110	rsa_free(rsa);
677add38 RL	111	}
	112	return ok;
	113	}
	114
d40b42ab	115	static int rsa_pub_pem(void ctx, void rsa, OSSL_CORE_BIO *cout,
677add38 RL	116	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
677add38 RL	117	{
d40b42ab MC	118	BIO *out = bio_new_from_core_bio(ctx, cout);
	119	int ret;
	120
	121	if (out == NULL)
	122	return 0;
	123
	124	ret = ossl_prov_write_pub_pem_from_obj(out, rsa,
	125	ossl_prov_rsa_type_to_evp(rsa),
	126	ossl_prov_prepare_rsa_params,
	127	(i2d_of_void *)i2d_RSAPublicKey);
	128	BIO_free(out);
	129
	130	return ret;
677add38 RL	131	}
677add38 RL	132
d40b42ab MC	133	static int rsa_pub_print_data(void *ctx, const OSSL_PARAM params[],
d40b42ab MC	134	OSSL_CORE_BIO *out,
677add38 RL	135	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
677add38 RL	136	{
363b1e5d DMSP	137	OSSL_FUNC_keymgmt_new_fn *rsa_new = ossl_prov_get_keymgmt_rsa_new();
	138	OSSL_FUNC_keymgmt_free_fn *rsa_free = ossl_prov_get_keymgmt_rsa_free();
	139	OSSL_FUNC_keymgmt_import_fn *rsa_import = ossl_prov_get_keymgmt_rsa_import();
677add38 RL	140	int ok = 0;
677add38 RL	141
32b0645c RL	142	if (rsa_import != NULL) {
32b0645c RL	143	RSA *rsa;
677add38	144
32b0645c RL	145	/* ctx == provctx */
	146	if ((rsa = rsa_new(ctx)) != NULL
	147	&& rsa_import(rsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
	148	&& rsa_pub_print(ctx, rsa, out, cb, cbarg))
	149	ok = 1;
	150	rsa_free(rsa);
677add38 RL	151	}
	152	return ok;
	153	}
	154
d40b42ab	155	static int rsa_pub_print(void ctx, void rsa, OSSL_CORE_BIO *cout,
677add38 RL	156	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
677add38 RL	157	{
d40b42ab MC	158	BIO *out = bio_new_from_core_bio(ctx, cout);
	159	int ret;
	160
	161	if (out == NULL)
	162	return 0;
	163
	164	ret = ossl_prov_print_rsa(out, rsa, 0);
	165	BIO_free(out);
	166
	167	return ret;
677add38 RL	168	}
677add38 RL	169
ece9304c RL	170	const OSSL_DISPATCH rsa_pub_der_encoder_functions[] = {
	171	{ OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))rsa_pub_newctx },
	172	{ OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))rsa_pub_freectx },
	173	{ OSSL_FUNC_ENCODER_ENCODE_DATA, (void (*)(void))rsa_pub_der_data },
	174	{ OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))rsa_pub_der },
677add38 RL	175	{ 0, NULL }
	176	};
	177
ece9304c RL	178	const OSSL_DISPATCH rsa_pub_pem_encoder_functions[] = {
	179	{ OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))rsa_pub_newctx },
	180	{ OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))rsa_pub_freectx },
	181	{ OSSL_FUNC_ENCODER_ENCODE_DATA, (void (*)(void))rsa_pub_pem_data },
	182	{ OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))rsa_pub_pem },
677add38 RL	183	{ 0, NULL }
	184	};
	185
ece9304c RL	186	const OSSL_DISPATCH rsa_pub_text_encoder_functions[] = {
	187	{ OSSL_FUNC_ENCODER_NEWCTX, (void (*)(void))rsa_pub_newctx },
	188	{ OSSL_FUNC_ENCODER_FREECTX, (void (*)(void))rsa_pub_freectx },
	189	{ OSSL_FUNC_ENCODER_ENCODE_OBJECT, (void (*)(void))rsa_pub_print },
	190	{ OSSL_FUNC_ENCODER_ENCODE_DATA,
677add38 RL	191	(void (*)(void))rsa_pub_print_data },
	192	{ 0, NULL }
	193	};