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

/*
 * Copyright 2019 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_numbers.h>
#include <openssl/core_names.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 "serializer_local.h"

static OSSL_OP_serializer_newctx_fn dsa_priv_newctx;
static OSSL_OP_serializer_freectx_fn dsa_priv_freectx;
static OSSL_OP_serializer_set_ctx_params_fn dsa_priv_set_ctx_params;
static OSSL_OP_serializer_settable_ctx_params_fn dsa_priv_settable_ctx_params;
static OSSL_OP_serializer_serialize_data_fn dsa_priv_der_data;
static OSSL_OP_serializer_serialize_object_fn dsa_priv_der;
static OSSL_OP_serializer_serialize_data_fn dsa_pem_priv_data;
static OSSL_OP_serializer_serialize_object_fn dsa_pem_priv;

static OSSL_OP_serializer_newctx_fn dsa_print_newctx;
static OSSL_OP_serializer_freectx_fn dsa_print_freectx;
static OSSL_OP_serializer_serialize_data_fn dsa_priv_print_data;
static OSSL_OP_serializer_serialize_object_fn dsa_priv_print;

 /*
 * Context used for private key serialization.
 */
struct dsa_priv_ctx_st {
    void *provctx;

    struct pkcs8_encrypt_ctx_st sc;
};

/* Private key : context */
static void *dsa_priv_newctx(void *provctx)
{
    struct dsa_priv_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx));

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

        /* -1 is the "whatever" indicator, i.e. the PKCS8 library default PBE */
        ctx->sc.pbe_nid = -1;
    }
    return ctx;
}

static void dsa_priv_freectx(void *vctx)
{
    struct dsa_priv_ctx_st *ctx = vctx;

    EVP_CIPHER_free(ctx->sc.cipher);
    OPENSSL_free(ctx->sc.cipher_pass);
    OPENSSL_free(ctx);
}

static const OSSL_PARAM *dsa_priv_settable_ctx_params(void)
{
    static const OSSL_PARAM settables[] = {
        OSSL_PARAM_utf8_string(OSSL_SERIALIZER_PARAM_CIPHER, NULL, 0),
        OSSL_PARAM_octet_string(OSSL_SERIALIZER_PARAM_PASS, NULL, 0),
        OSSL_PARAM_END,
    };

    return settables;
}

static int dsa_priv_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
    struct dsa_priv_ctx_st *ctx = vctx;
    const OSSL_PARAM *p;

    if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_CIPHER))
        != NULL) {
        const OSSL_PARAM *propsp =
            OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PROPERTIES);
        const char *props = NULL;

        if (p->data_type != OSSL_PARAM_UTF8_STRING)
            return 0;
        if (propsp != NULL && propsp->data_type != OSSL_PARAM_UTF8_STRING)
            return 0;
        props = (propsp != NULL ? propsp->data : NULL);

        EVP_CIPHER_free(ctx->sc.cipher);
        ctx->sc.cipher_intent = p->data != NULL;
        if (p->data != NULL
            && ((ctx->sc.cipher = EVP_CIPHER_fetch(NULL, p->data, props))
                == NULL))
            return 0;
    }
    if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PASS))
        != NULL) {
        OPENSSL_free(ctx->sc.cipher_pass);
        ctx->sc.cipher_pass = NULL;
        if (!OSSL_PARAM_get_octet_string(p, &ctx->sc.cipher_pass, 0,
                                         &ctx->sc.cipher_pass_length))
            return 0;
    }
    return 1;
}

/* Private key : DER */
static int dsa_priv_der_data(void *vctx, const OSSL_PARAM params[], BIO *out,
                             OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct dsa_priv_ctx_st *ctx = vctx;
    OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
        ossl_prov_get_dsa_importkey();
    int ok = 0;

    if (dsa_importkey != NULL) {
        DSA *dsa = dsa_importkey(ctx->provctx, params);

        ok = dsa_priv_der(ctx, dsa, out, cb, cbarg);
        DSA_free(dsa);
    }
    return ok;
}

static int dsa_priv_der(void *vctx, void *dsa, BIO *out,
                        OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct dsa_priv_ctx_st *ctx = vctx;

    ctx->sc.cb = cb;
    ctx->sc.cbarg = cbarg;

    return ossl_prov_write_priv_der_from_obj(out, dsa, EVP_PKEY_DSA,
                                             ossl_prov_prepare_dsa_params,
                                             ossl_prov_dsa_priv_to_der,
                                             &ctx->sc);
}

/* Private key : PEM */
static int dsa_pem_priv_data(void *vctx, const OSSL_PARAM params[], BIO *out,
                             OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct dsa_priv_ctx_st *ctx = vctx;
    OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
        ossl_prov_get_dsa_importkey();
    int ok = 0;

    if (dsa_importkey != NULL) {
        DSA *dsa = dsa_importkey(ctx, params);

        ok = dsa_pem_priv(ctx->provctx, dsa, out, cb, cbarg);
        DSA_free(dsa);
    }
    return ok;
}

static int dsa_pem_priv(void *vctx, void *dsa, BIO *out,
                        OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    struct dsa_priv_ctx_st *ctx = vctx;

    ctx->sc.cb = cb;
    ctx->sc.cbarg = cbarg;

    return ossl_prov_write_priv_pem_from_obj(out, dsa, EVP_PKEY_DSA,
                                             ossl_prov_prepare_dsa_params,
                                             ossl_prov_dsa_priv_to_der,
                                             &ctx->sc);
}

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

static void dsa_print_freectx(void *ctx)
{
}

static int dsa_priv_print_data(void *provctx, const OSSL_PARAM params[],
                               BIO *out,
                               OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
        ossl_prov_get_dsa_importkey();
    int ok = 0;

    if (dsa_importkey != NULL) {
        DSA *dsa = dsa_importkey(provctx, params); /* ctx == provctx */

        ok = dsa_priv_print(provctx, dsa, out, cb, cbarg);
        DSA_free(dsa);
    }
    return ok;
}

static int dsa_priv_print(void *ctx, void *dsa, BIO *out,
                          OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    return ossl_prov_print_dsa(out, dsa, dsa_print_priv);
}

const OSSL_DISPATCH dsa_priv_der_serializer_functions[] = {
    { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
    { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
    { OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
      (void (*)(void))dsa_priv_set_ctx_params },
    { OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
      (void (*)(void))dsa_priv_settable_ctx_params },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_priv_der_data },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_der },
    { 0, NULL }
};

const OSSL_DISPATCH dsa_priv_pem_serializer_functions[] = {
    { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
    { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
    { OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
      (void (*)(void))dsa_priv_set_ctx_params },
    { OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
      (void (*)(void))dsa_priv_settable_ctx_params },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pem_priv_data },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pem_priv },
    { 0, NULL }
};

const OSSL_DISPATCH dsa_priv_text_serializer_functions[] = {
    { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_print_newctx },
    { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_print_freectx },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_print },
    { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
      (void (*)(void))dsa_priv_print_data },
    { 0, NULL }
};
Commit	Line	Data
264b789b RL	1	/*
	2	* Copyright 2019 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	#include <openssl/core_numbers.h>
	11	#include <openssl/core_names.h>
	12	#include <openssl/err.h>
	13	#include <openssl/pem.h>
	14	#include <openssl/dsa.h>
	15	#include <openssl/types.h>
	16	#include <openssl/params.h>
	17	#include "prov/bio.h"
	18	#include "prov/implementations.h"
	19	#include "serializer_local.h"
	20
	21	static OSSL_OP_serializer_newctx_fn dsa_priv_newctx;
	22	static OSSL_OP_serializer_freectx_fn dsa_priv_freectx;
	23	static OSSL_OP_serializer_set_ctx_params_fn dsa_priv_set_ctx_params;
	24	static OSSL_OP_serializer_settable_ctx_params_fn dsa_priv_settable_ctx_params;
	25	static OSSL_OP_serializer_serialize_data_fn dsa_priv_der_data;
	26	static OSSL_OP_serializer_serialize_object_fn dsa_priv_der;
	27	static OSSL_OP_serializer_serialize_data_fn dsa_pem_priv_data;
	28	static OSSL_OP_serializer_serialize_object_fn dsa_pem_priv;
	29
	30	static OSSL_OP_serializer_newctx_fn dsa_print_newctx;
	31	static OSSL_OP_serializer_freectx_fn dsa_print_freectx;
	32	static OSSL_OP_serializer_serialize_data_fn dsa_priv_print_data;
	33	static OSSL_OP_serializer_serialize_object_fn dsa_priv_print;
	34
	35	/*
	36	* Context used for private key serialization.
	37	*/
	38	struct dsa_priv_ctx_st {
	39	void *provctx;
	40
	41	struct pkcs8_encrypt_ctx_st sc;
	42	};
	43
	44	/* Private key : context */
	45	static void dsa_priv_newctx(void provctx)
	46	{
	47	struct dsa_priv_ctx_st ctx = OPENSSL_zalloc(sizeof(ctx));
	48
	49	if (ctx != NULL) {
	50	ctx->provctx = provctx;
264b789b	51
75e571b5 P	52	/* -1 is the "whatever" indicator, i.e. the PKCS8 library default PBE */
	53	ctx->sc.pbe_nid = -1;
	54	}
264b789b RL	55	return ctx;
	56	}
	57
	58	static void dsa_priv_freectx(void *vctx)
	59	{
	60	struct dsa_priv_ctx_st *ctx = vctx;
	61
	62	EVP_CIPHER_free(ctx->sc.cipher);
	63	OPENSSL_free(ctx->sc.cipher_pass);
	64	OPENSSL_free(ctx);
	65	}
	66
	67	static const OSSL_PARAM *dsa_priv_settable_ctx_params(void)
	68	{
	69	static const OSSL_PARAM settables[] = {
	70	OSSL_PARAM_utf8_string(OSSL_SERIALIZER_PARAM_CIPHER, NULL, 0),
	71	OSSL_PARAM_octet_string(OSSL_SERIALIZER_PARAM_PASS, NULL, 0),
	72	OSSL_PARAM_END,
	73	};
	74
	75	return settables;
	76	}
	77
	78	static int dsa_priv_set_ctx_params(void *vctx, const OSSL_PARAM params[])
	79	{
	80	struct dsa_priv_ctx_st *ctx = vctx;
	81	const OSSL_PARAM *p;
	82
	83	if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_CIPHER))
	84	!= NULL) {
	85	const OSSL_PARAM *propsp =
	86	OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PROPERTIES);
	87	const char *props = NULL;
	88
	89	if (p->data_type != OSSL_PARAM_UTF8_STRING)
	90	return 0;
	91	if (propsp != NULL && propsp->data_type != OSSL_PARAM_UTF8_STRING)
	92	return 0;
	93	props = (propsp != NULL ? propsp->data : NULL);
	94
	95	EVP_CIPHER_free(ctx->sc.cipher);
	96	ctx->sc.cipher_intent = p->data != NULL;
	97	if (p->data != NULL
	98	&& ((ctx->sc.cipher = EVP_CIPHER_fetch(NULL, p->data, props))
	99	== NULL))
	100	return 0;
	101	}
	102	if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PASS))
	103	!= NULL) {
	104	OPENSSL_free(ctx->sc.cipher_pass);
	105	ctx->sc.cipher_pass = NULL;
	106	if (!OSSL_PARAM_get_octet_string(p, &ctx->sc.cipher_pass, 0,
	107	&ctx->sc.cipher_pass_length))
	108	return 0;
	109	}
	110	return 1;
	111	}
	112
	113	/* Private key : DER */
	114	static int dsa_priv_der_data(void vctx, const OSSL_PARAM params[], BIO out,
	115	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
	116	{
	117	struct dsa_priv_ctx_st *ctx = vctx;
	118	OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
119	ossl_prov_get_dsa_importkey();
120	int ok = 0;
121
122	if (dsa_importkey != NULL) {
123	DSA *dsa = dsa_importkey(ctx->provctx, params);
124
125	ok = dsa_priv_der(ctx, dsa, out, cb, cbarg);
126	DSA_free(dsa);
127	}
128	return ok;
129	}
130
131	static int dsa_priv_der(void vctx, void dsa, BIO *out,
132	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
133	{
134	struct dsa_priv_ctx_st *ctx = vctx;
135
136	ctx->sc.cb = cb;
137	ctx->sc.cbarg = cbarg;
138
139	return ossl_prov_write_priv_der_from_obj(out, dsa, EVP_PKEY_DSA,
140	ossl_prov_prepare_dsa_params,
141	ossl_prov_dsa_priv_to_der,
142	&ctx->sc);
143	}
144
145	/* Private key : PEM */
146	static int dsa_pem_priv_data(void vctx, const OSSL_PARAM params[], BIO out,
147	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
148	{
149	struct dsa_priv_ctx_st *ctx = vctx;
150	OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
151	ossl_prov_get_dsa_importkey();
152	int ok = 0;
153
154	if (dsa_importkey != NULL) {
155	DSA *dsa = dsa_importkey(ctx, params);
156
157	ok = dsa_pem_priv(ctx->provctx, dsa, out, cb, cbarg);
158	DSA_free(dsa);
159	}
160	return ok;
161	}
162
163	static int dsa_pem_priv(void vctx, void dsa, BIO *out,
164	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
165	{
166	struct dsa_priv_ctx_st *ctx = vctx;
167
168	ctx->sc.cb = cb;
169	ctx->sc.cbarg = cbarg;
170
171	return ossl_prov_write_priv_pem_from_obj(out, dsa, EVP_PKEY_DSA,
172	ossl_prov_prepare_dsa_params,
173	ossl_prov_dsa_priv_to_der,
174	&ctx->sc);
175	}
176
177	/*
178	* There's no specific print context, so we use the provider context
179	*/
180	static void dsa_print_newctx(void provctx)
181	{
182	return provctx;
183	}
184
185	static void dsa_print_freectx(void *ctx)
186	{
187	}
188
189	static int dsa_priv_print_data(void *provctx, const OSSL_PARAM params[],
190	BIO *out,
191	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
192	{
193	OSSL_OP_keymgmt_importkey_fn *dsa_importkey =
194	ossl_prov_get_dsa_importkey();
195	int ok = 0;
196
197	if (dsa_importkey != NULL) {
198	DSA dsa = dsa_importkey(provctx, params); / ctx == provctx */
199
200	ok = dsa_priv_print(provctx, dsa, out, cb, cbarg);
201	DSA_free(dsa);
202	}
203	return ok;
204	}
205
206	static int dsa_priv_print(void ctx, void dsa, BIO *out,
207	OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
208	{
209	return ossl_prov_print_dsa(out, dsa, dsa_print_priv);
210	}
211
212	const OSSL_DISPATCH dsa_priv_der_serializer_functions[] = {
213	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
214	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
215	{ OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
216	(void (*)(void))dsa_priv_set_ctx_params },
217	{ OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
218	(void (*)(void))dsa_priv_settable_ctx_params },
219	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_priv_der_data },
220	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_der },
221	{ 0, NULL }
222	};
223
224	const OSSL_DISPATCH dsa_priv_pem_serializer_functions[] = {
225	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
226	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
227	{ OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
228	(void (*)(void))dsa_priv_set_ctx_params },
229	{ OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
230	(void (*)(void))dsa_priv_settable_ctx_params },
231	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pem_priv_data },
232	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pem_priv },
233	{ 0, NULL }
234	};
235
236	const OSSL_DISPATCH dsa_priv_text_serializer_functions[] = {
237	{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_print_newctx },
238	{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_print_freectx },
239	{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_print },
240	{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
241	(void (*)(void))dsa_priv_print_data },
242	{ 0, NULL }
243	};