/src/openssl/providers/implementations/kdfs/pbkdf1.c

Source
/*
 * Copyright 1999-2025 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/trace.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <openssl/evp.h>
#include <openssl/kdf.h>
#include <openssl/core_names.h>
#include <openssl/proverr.h>
#include "internal/common.h"
#include "internal/cryptlib.h"
#include "internal/numbers.h"
#include "internal/skey.h"
#include "crypto/evp.h"
#include "crypto/types.h"
#include "prov/provider_ctx.h"
#include "prov/providercommon.h"
#include "prov/implementations.h"
#include "prov/provider_util.h"
#include "providers/implementations/kdfs/pbkdf1.inc"

static OSSL_FUNC_kdf_newctx_fn kdf_pbkdf1_new;
static OSSL_FUNC_kdf_dupctx_fn kdf_pbkdf1_dup;
static OSSL_FUNC_kdf_freectx_fn kdf_pbkdf1_free;
static OSSL_FUNC_kdf_reset_fn kdf_pbkdf1_reset;
static OSSL_FUNC_kdf_derive_fn kdf_pbkdf1_derive;
static OSSL_FUNC_kdf_settable_ctx_params_fn kdf_pbkdf1_settable_ctx_params;
static OSSL_FUNC_kdf_set_ctx_params_fn kdf_pbkdf1_set_ctx_params;
static OSSL_FUNC_kdf_gettable_ctx_params_fn kdf_pbkdf1_gettable_ctx_params;
static OSSL_FUNC_kdf_get_ctx_params_fn kdf_pbkdf1_get_ctx_params;
static OSSL_FUNC_kdf_set_skey_fn kdf_pbkdf1_set_skey;
static OSSL_FUNC_kdf_derive_skey_fn kdf_pbkdf1_derive_skey;

typedef struct {
    void *provctx;
    PROV_DIGEST digest;
    unsigned char *pass;
    size_t pass_len;
    unsigned char *salt;
    size_t salt_len;
    uint64_t iter;
} KDF_PBKDF1;

/*
 * PKCS5 PBKDF1 compatible key/IV generation as specified in:
 * https://tools.ietf.org/html/rfc8018#page-10
 */

static int kdf_pbkdf1_do_derive(const unsigned char *pass, size_t passlen,
                                const unsigned char *salt, size_t saltlen,
                                uint64_t iter, const EVP_MD *md_type,
                                unsigned char *out, size_t n)
{
    uint64_t i;
    int mdsize, ret = 0;
    unsigned char md_tmp[EVP_MAX_MD_SIZE];
    EVP_MD_CTX *ctx = NULL;

    ctx = EVP_MD_CTX_new();
    if (ctx == NULL) {
        ERR_raise(ERR_LIB_PROV, ERR_R_EVP_LIB);
        goto err;
    }

    if (!EVP_DigestInit_ex(ctx, md_type, NULL)
        || !EVP_DigestUpdate(ctx, pass, passlen)
        || !EVP_DigestUpdate(ctx, salt, saltlen)
        || !EVP_DigestFinal_ex(ctx, md_tmp, NULL))
        goto err;
    mdsize = EVP_MD_size(md_type);
    if (mdsize <= 0)
        goto err;
    if (n > (size_t)mdsize) {
        ERR_raise(ERR_LIB_PROV, PROV_R_LENGTH_TOO_LARGE);
        goto err;
    }

    for (i = 1; i < iter; i++) {
        if (!EVP_DigestInit_ex(ctx, md_type, NULL))
            goto err;
        if (!EVP_DigestUpdate(ctx, md_tmp, mdsize))
            goto err;
        if (!EVP_DigestFinal_ex(ctx, md_tmp, NULL))
            goto err;
    }

    memcpy(out, md_tmp, n);
    ret = 1;
err:
    OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE);
    EVP_MD_CTX_free(ctx);
    return ret;
}

static void *kdf_pbkdf1_new(void *provctx)
{
    KDF_PBKDF1 *ctx;

    if (!ossl_prov_is_running())
        return NULL;

    ctx = OPENSSL_zalloc(sizeof(*ctx));
    if (ctx == NULL)
        return NULL;
    ctx->provctx = provctx;
    return ctx;
}

static void kdf_pbkdf1_cleanup(KDF_PBKDF1 *ctx)
{
    ossl_prov_digest_reset(&ctx->digest);
    OPENSSL_free(ctx->salt);
    OPENSSL_clear_free(ctx->pass, ctx->pass_len);
    memset(ctx, 0, sizeof(*ctx));
}

static void kdf_pbkdf1_free(void *vctx)
{
    KDF_PBKDF1 *ctx = (KDF_PBKDF1 *)vctx;

    if (ctx != NULL) {
        kdf_pbkdf1_cleanup(ctx);
        OPENSSL_free(ctx);
    }
}

static void kdf_pbkdf1_reset(void *vctx)
{
    KDF_PBKDF1 *ctx = (KDF_PBKDF1 *)vctx;
    void *provctx = ctx->provctx;

    kdf_pbkdf1_cleanup(ctx);
    ctx->provctx = provctx;
}

static void *kdf_pbkdf1_dup(void *vctx)
{
    const KDF_PBKDF1 *src = (const KDF_PBKDF1 *)vctx;
    KDF_PBKDF1 *dest;

    dest = kdf_pbkdf1_new(src->provctx);
    if (dest != NULL) {
        if (!ossl_prov_memdup(src->salt, src->salt_len,
                              &dest->salt, &dest->salt_len)
                || !ossl_prov_memdup(src->pass, src->pass_len,
                                     &dest->pass , &dest->pass_len)
                || !ossl_prov_digest_copy(&dest->digest, &src->digest))
            goto err;
        dest->iter = src->iter;
    }
    return dest;

 err:
    kdf_pbkdf1_free(dest);
    return NULL;
}

static int kdf_pbkdf1_set_membuf(unsigned char **buffer, size_t *buflen,
                             const OSSL_PARAM *p)
{
    OPENSSL_clear_free(*buffer, *buflen);
    *buffer = NULL;
    *buflen = 0;

    if (p->data_size == 0) {
        if ((*buffer = OPENSSL_malloc(1)) == NULL)
            return 0;
    } else if (p->data != NULL) {
        if (!OSSL_PARAM_get_octet_string(p, (void **)buffer, 0, buflen))
            return 0;
    }
    return 1;
}

static int kdf_pbkdf1_set_membuf_skey(unsigned char **buffer, size_t *buflen,
                                      const PROV_SKEY *pskey)
{
    OPENSSL_clear_free(*buffer, *buflen);
    *buffer = NULL;
    *buflen = 0;

    if (pskey->length == 0) {
        if ((*buffer = OPENSSL_malloc(1)) == NULL)
            return 0;
    } else if (pskey->data != NULL) {
        *buffer = OPENSSL_malloc(pskey->length);
        if (*buffer == NULL)
            return 0;

        memcpy(*buffer, pskey->data, pskey->length);
        *buflen = pskey->length;
    }
    return 1;
}

static int kdf_pbkdf1_derive(void *vctx, unsigned char *key, size_t keylen,
                             const OSSL_PARAM params[])
{
    KDF_PBKDF1 *ctx = (KDF_PBKDF1 *)vctx;
    const EVP_MD *md;

    if (!ossl_prov_is_running() || !kdf_pbkdf1_set_ctx_params(ctx, params))
        return 0;

    if (ctx->pass == NULL) {
        ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_PASS);
        return 0;
    }

    if (ctx->salt == NULL) {
        ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_SALT);
        return 0;
    }

    md = ossl_prov_digest_md(&ctx->digest);
    return kdf_pbkdf1_do_derive(ctx->pass, ctx->pass_len, ctx->salt, ctx->salt_len,
                                ctx->iter, md, key, keylen);
}

static int kdf_pbkdf1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
    struct pbkdf1_set_ctx_params_st p;
    KDF_PBKDF1 *ctx = vctx;
    OSSL_LIB_CTX *libctx;

    if (ctx == NULL || !pbkdf1_set_ctx_params_decoder(params, &p))
        return 0;

    libctx = PROV_LIBCTX_OF(ctx->provctx);

    if (!ossl_prov_digest_load(&ctx->digest, p.digest,
                               p.propq, p.engine, libctx))
        return 0;

    if (p.pw != NULL && !kdf_pbkdf1_set_membuf(&ctx->pass, &ctx->pass_len, p.pw))
        return 0;

    if (p.salt != NULL && !kdf_pbkdf1_set_membuf(&ctx->salt, &ctx->salt_len, p.salt))
        return 0;

    if (p.iter != NULL && !OSSL_PARAM_get_uint64(p.iter, &ctx->iter))
            return 0;
    return 1;
}

static const OSSL_PARAM *kdf_pbkdf1_settable_ctx_params(ossl_unused void *ctx,
                                                        ossl_unused void *p_ctx)
{
    return pbkdf1_set_ctx_params_list;
}

static int kdf_pbkdf1_get_ctx_params(void *vctx, OSSL_PARAM params[])
{
    struct pbkdf1_get_ctx_params_st p;
    KDF_PBKDF1 *ctx = vctx;

    if (ctx == NULL || !pbkdf1_get_ctx_params_decoder(params, &p))
        return 0;

    if (p.size != NULL && !OSSL_PARAM_set_size_t(p.size, SIZE_MAX))
        return 0;
    return 1;
}

static const OSSL_PARAM *kdf_pbkdf1_gettable_ctx_params(ossl_unused void *ctx,
                                                        ossl_unused void *p_ctx)
{
    return pbkdf1_get_ctx_params_list;
}

static int kdf_pbkdf1_set_skey(void *vctx, void *skeydata, const char *paramname)
{
    KDF_PBKDF1 *ctx = (KDF_PBKDF1 *)vctx;
    PROV_SKEY *pskey = (PROV_SKEY *)skeydata;

    if (paramname == NULL || skeydata == NULL)
        return 0;

    if (strcmp(paramname, OSSL_KDF_PARAM_PASSWORD) == 0)
        return kdf_pbkdf1_set_membuf_skey(&ctx->pass, &ctx->pass_len, pskey);

    if (strcmp(paramname, OSSL_KDF_PARAM_SALT) == 0)
        return kdf_pbkdf1_set_membuf_skey(&ctx->salt, &ctx->salt_len, pskey);

    return 0;
}

static
void *kdf_pbkdf1_derive_skey(void *vctx, const char *key_type ossl_unused, void *provctx,
                             OSSL_FUNC_skeymgmt_import_fn *import,
                             size_t keylen, const OSSL_PARAM params[])
{
    unsigned char *key = NULL;
    void *ret = NULL;
    OSSL_PARAM import_params[2] = {OSSL_PARAM_END, OSSL_PARAM_END};

    if (import == NULL || keylen == 0)
        return NULL;

    if ((key = OPENSSL_zalloc(keylen)) == NULL)
        return NULL;

    if (kdf_pbkdf1_derive(vctx, key, keylen, params) == 0) {
        OPENSSL_free(key);
        return NULL;
    }

    import_params[0] = OSSL_PARAM_construct_octet_string(OSSL_SKEY_PARAM_RAW_BYTES,
                                                         (void *)key, keylen);

    ret = import(provctx, OSSL_SKEYMGMT_SELECT_SECRET_KEY, import_params);
    OPENSSL_free(key);

    return ret;
}

const OSSL_DISPATCH ossl_kdf_pbkdf1_functions[] = {
    { OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_pbkdf1_new },
    { OSSL_FUNC_KDF_DUPCTX, (void(*)(void))kdf_pbkdf1_dup },
    { OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_pbkdf1_free },
    { OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_pbkdf1_reset },
    { OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_pbkdf1_derive },
    { OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS,
      (void(*)(void))kdf_pbkdf1_settable_ctx_params },
    { OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_pbkdf1_set_ctx_params },
    { OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS,
      (void(*)(void))kdf_pbkdf1_gettable_ctx_params },
    { OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_pbkdf1_get_ctx_params },
    { OSSL_FUNC_KDF_SET_SKEY, (void(*)(void))kdf_pbkdf1_set_skey },
    { OSSL_FUNC_KDF_DERIVE_SKEY, (void(*)(void))kdf_pbkdf1_derive_skey },
    OSSL_DISPATCH_END
};

Coverage Report

Created: 2025-11-07 06:58

Line	Count	Source
1		/*
2		* Copyright 1999-2025 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/trace.h>
11		#include <stdlib.h>
12		#include <stdarg.h>
13		#include <string.h>
14		#include <openssl/evp.h>
15		#include <openssl/kdf.h>
16		#include <openssl/core_names.h>
17		#include <openssl/proverr.h>
18		#include "internal/common.h"
19		#include "internal/cryptlib.h"
20		#include "internal/numbers.h"
21		#include "internal/skey.h"
22		#include "crypto/evp.h"
23		#include "crypto/types.h"
24		#include "prov/provider_ctx.h"
25		#include "prov/providercommon.h"
26		#include "prov/implementations.h"
27		#include "prov/provider_util.h"
28		#include "providers/implementations/kdfs/pbkdf1.inc"
29
30		static OSSL_FUNC_kdf_newctx_fn kdf_pbkdf1_new;
31		static OSSL_FUNC_kdf_dupctx_fn kdf_pbkdf1_dup;
32		static OSSL_FUNC_kdf_freectx_fn kdf_pbkdf1_free;
33		static OSSL_FUNC_kdf_reset_fn kdf_pbkdf1_reset;
34		static OSSL_FUNC_kdf_derive_fn kdf_pbkdf1_derive;
35		static OSSL_FUNC_kdf_settable_ctx_params_fn kdf_pbkdf1_settable_ctx_params;
36		static OSSL_FUNC_kdf_set_ctx_params_fn kdf_pbkdf1_set_ctx_params;
37		static OSSL_FUNC_kdf_gettable_ctx_params_fn kdf_pbkdf1_gettable_ctx_params;
38		static OSSL_FUNC_kdf_get_ctx_params_fn kdf_pbkdf1_get_ctx_params;
39		static OSSL_FUNC_kdf_set_skey_fn kdf_pbkdf1_set_skey;
40		static OSSL_FUNC_kdf_derive_skey_fn kdf_pbkdf1_derive_skey;
41
42		typedef struct {
43		void *provctx;
44		PROV_DIGEST digest;
45		unsigned char *pass;
46		size_t pass_len;
47		unsigned char *salt;
48		size_t salt_len;
49		uint64_t iter;
50		} KDF_PBKDF1;
51
52		/*
53		* PKCS5 PBKDF1 compatible key/IV generation as specified in:
54		* https://tools.ietf.org/html/rfc8018#page-10
55		*/
56
57		static int kdf_pbkdf1_do_derive(const unsigned char *pass, size_t passlen,
58		const unsigned char *salt, size_t saltlen,
59		uint64_t iter, const EVP_MD *md_type,
60		unsigned char *out, size_t n)
61	0	{
62	0	uint64_t i;
63	0	int mdsize, ret = 0;
64	0	unsigned char md_tmp[EVP_MAX_MD_SIZE];
65	0	EVP_MD_CTX *ctx = NULL;
66
67	0	ctx = EVP_MD_CTX_new();
68	0	if (ctx == NULL) {
69	0	ERR_raise(ERR_LIB_PROV, ERR_R_EVP_LIB);
70	0	goto err;
71	0	}
72
73	0	if (!EVP_DigestInit_ex(ctx, md_type, NULL)
74	0	\|\| !EVP_DigestUpdate(ctx, pass, passlen)
75	0	\|\| !EVP_DigestUpdate(ctx, salt, saltlen)
76	0	\|\| !EVP_DigestFinal_ex(ctx, md_tmp, NULL))
77	0	goto err;
78	0	mdsize = EVP_MD_size(md_type);
79	0	if (mdsize <= 0)
80	0	goto err;
81	0	if (n > (size_t)mdsize) {
82	0	ERR_raise(ERR_LIB_PROV, PROV_R_LENGTH_TOO_LARGE);
83	0	goto err;
84	0	}
85
86	0	for (i = 1; i < iter; i++) {
87	0	if (!EVP_DigestInit_ex(ctx, md_type, NULL))
88	0	goto err;
89	0	if (!EVP_DigestUpdate(ctx, md_tmp, mdsize))
90	0	goto err;
91	0	if (!EVP_DigestFinal_ex(ctx, md_tmp, NULL))
92	0	goto err;
93	0	}
94
95	0	memcpy(out, md_tmp, n);
96	0	ret = 1;
97	0	err:
98	0	OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE);
99	0	EVP_MD_CTX_free(ctx);
100	0	return ret;
101	0	}
102
103		static void kdf_pbkdf1_new(void provctx)
104	0	{
105	0	KDF_PBKDF1 *ctx;
106
107	0	if (!ossl_prov_is_running())
108	0	return NULL;
109
110	0	ctx = OPENSSL_zalloc(sizeof(*ctx));
111	0	if (ctx == NULL)
112	0	return NULL;
113	0	ctx->provctx = provctx;
114	0	return ctx;
115	0	}
116
117		static void kdf_pbkdf1_cleanup(KDF_PBKDF1 *ctx)
118	0	{
119	0	ossl_prov_digest_reset(&ctx->digest);
120	0	OPENSSL_free(ctx->salt);
121	0	OPENSSL_clear_free(ctx->pass, ctx->pass_len);
122	0	memset(ctx, 0, sizeof(*ctx));
123	0	}
124
125		static void kdf_pbkdf1_free(void *vctx)
126	0	{
127	0	KDF_PBKDF1 ctx = (KDF_PBKDF1 )vctx;
128
129	0	if (ctx != NULL) {
130	0	kdf_pbkdf1_cleanup(ctx);
131	0	OPENSSL_free(ctx);
132	0	}
133	0	}
134
135		static void kdf_pbkdf1_reset(void *vctx)
136	0	{
137	0	KDF_PBKDF1 ctx = (KDF_PBKDF1 )vctx;
138	0	void *provctx = ctx->provctx;
139
140	0	kdf_pbkdf1_cleanup(ctx);
141	0	ctx->provctx = provctx;
142	0	}
143
144		static void kdf_pbkdf1_dup(void vctx)
145	0	{
146	0	const KDF_PBKDF1 src = (const KDF_PBKDF1 )vctx;
147	0	KDF_PBKDF1 *dest;
148
149	0	dest = kdf_pbkdf1_new(src->provctx);
150	0	if (dest != NULL) {
151	0	if (!ossl_prov_memdup(src->salt, src->salt_len,
152	0	&dest->salt, &dest->salt_len)
153	0	\|\| !ossl_prov_memdup(src->pass, src->pass_len,
154	0	&dest->pass , &dest->pass_len)
155	0	\|\| !ossl_prov_digest_copy(&dest->digest, &src->digest))
156	0	goto err;
157	0	dest->iter = src->iter;
158	0	}
159	0	return dest;
160
161	0	err:
162	0	kdf_pbkdf1_free(dest);
163	0	return NULL;
164	0	}
165
166		static int kdf_pbkdf1_set_membuf(unsigned char *buffer, size_t buflen,
167		const OSSL_PARAM *p)
168	0	{
169	0	OPENSSL_clear_free(buffer, buflen);
170	0	*buffer = NULL;
171	0	*buflen = 0;
172
173	0	if (p->data_size == 0) {
174	0	if ((*buffer = OPENSSL_malloc(1)) == NULL)
175	0	return 0;
176	0	} else if (p->data != NULL) {
177	0	if (!OSSL_PARAM_get_octet_string(p, (void **)buffer, 0, buflen))
178	0	return 0;
179	0	}
180	0	return 1;
181	0	}
182
183		static int kdf_pbkdf1_set_membuf_skey(unsigned char *buffer, size_t buflen,
184		const PROV_SKEY *pskey)
185	0	{
186	0	OPENSSL_clear_free(buffer, buflen);
187	0	*buffer = NULL;
188	0	*buflen = 0;
189
190	0	if (pskey->length == 0) {
191	0	if ((*buffer = OPENSSL_malloc(1)) == NULL)
192	0	return 0;
193	0	} else if (pskey->data != NULL) {
194	0	*buffer = OPENSSL_malloc(pskey->length);
195	0	if (*buffer == NULL)
196	0	return 0;
197
198	0	memcpy(*buffer, pskey->data, pskey->length);
199	0	*buflen = pskey->length;
200	0	}
201	0	return 1;
202	0	}
203
204		static int kdf_pbkdf1_derive(void vctx, unsigned char key, size_t keylen,
205		const OSSL_PARAM params[])
206	0	{
207	0	KDF_PBKDF1 ctx = (KDF_PBKDF1 )vctx;
208	0	const EVP_MD *md;
209
210	0	if (!ossl_prov_is_running() \|\| !kdf_pbkdf1_set_ctx_params(ctx, params))
211	0	return 0;
212
213	0	if (ctx->pass == NULL) {
214	0	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_PASS);
215	0	return 0;
216	0	}
217
218	0	if (ctx->salt == NULL) {
219	0	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_SALT);
220	0	return 0;
221	0	}
222
223	0	md = ossl_prov_digest_md(&ctx->digest);
224	0	return kdf_pbkdf1_do_derive(ctx->pass, ctx->pass_len, ctx->salt, ctx->salt_len,
225	0	ctx->iter, md, key, keylen);
226	0	}
227
228		static int kdf_pbkdf1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
229	0	{
230	0	struct pbkdf1_set_ctx_params_st p;
231	0	KDF_PBKDF1 *ctx = vctx;
232	0	OSSL_LIB_CTX *libctx;
233
234	0	if (ctx == NULL \|\| !pbkdf1_set_ctx_params_decoder(params, &p))
235	0	return 0;
236
237	0	libctx = PROV_LIBCTX_OF(ctx->provctx);
238
239	0	if (!ossl_prov_digest_load(&ctx->digest, p.digest,
240	0	p.propq, p.engine, libctx))
241	0	return 0;
242
243	0	if (p.pw != NULL && !kdf_pbkdf1_set_membuf(&ctx->pass, &ctx->pass_len, p.pw))
244	0	return 0;
245
246	0	if (p.salt != NULL && !kdf_pbkdf1_set_membuf(&ctx->salt, &ctx->salt_len, p.salt))
247	0	return 0;
248
249	0	if (p.iter != NULL && !OSSL_PARAM_get_uint64(p.iter, &ctx->iter))
250	0	return 0;
251	0	return 1;
252	0	}
253
254		static const OSSL_PARAM kdf_pbkdf1_settable_ctx_params(ossl_unused void ctx,
255		ossl_unused void *p_ctx)
256	0	{
257	0	return pbkdf1_set_ctx_params_list;
258	0	}
259
260		static int kdf_pbkdf1_get_ctx_params(void *vctx, OSSL_PARAM params[])
261	0	{
262	0	struct pbkdf1_get_ctx_params_st p;
263	0	KDF_PBKDF1 *ctx = vctx;
264
265	0	if (ctx == NULL \|\| !pbkdf1_get_ctx_params_decoder(params, &p))
266	0	return 0;
267
268	0	if (p.size != NULL && !OSSL_PARAM_set_size_t(p.size, SIZE_MAX))
269	0	return 0;
270	0	return 1;
271	0	}
272
273		static const OSSL_PARAM kdf_pbkdf1_gettable_ctx_params(ossl_unused void ctx,
274		ossl_unused void *p_ctx)
275	0	{
276	0	return pbkdf1_get_ctx_params_list;
277	0	}
278
279		static int kdf_pbkdf1_set_skey(void vctx, void skeydata, const char *paramname)
280	0	{
281	0	KDF_PBKDF1 ctx = (KDF_PBKDF1 )vctx;
282	0	PROV_SKEY pskey = (PROV_SKEY )skeydata;
283
284	0	if (paramname == NULL \|\| skeydata == NULL)
285	0	return 0;
286
287	0	if (strcmp(paramname, OSSL_KDF_PARAM_PASSWORD) == 0)
288	0	return kdf_pbkdf1_set_membuf_skey(&ctx->pass, &ctx->pass_len, pskey);
289
290	0	if (strcmp(paramname, OSSL_KDF_PARAM_SALT) == 0)
291	0	return kdf_pbkdf1_set_membuf_skey(&ctx->salt, &ctx->salt_len, pskey);
292
293	0	return 0;
294	0	}
295
296		static
297		void kdf_pbkdf1_derive_skey(void vctx, const char key_type ossl_unused, void provctx,
298		OSSL_FUNC_skeymgmt_import_fn *import,
299		size_t keylen, const OSSL_PARAM params[])
300	0	{
301	0	unsigned char *key = NULL;
302	0	void *ret = NULL;
303	0	OSSL_PARAM import_params[2] = {OSSL_PARAM_END, OSSL_PARAM_END};
304
305	0	if (import == NULL \|\| keylen == 0)
306	0	return NULL;
307
308	0	if ((key = OPENSSL_zalloc(keylen)) == NULL)
309	0	return NULL;
310
311	0	if (kdf_pbkdf1_derive(vctx, key, keylen, params) == 0) {
312	0	OPENSSL_free(key);
313	0	return NULL;
314	0	}
315
316	0	import_params[0] = OSSL_PARAM_construct_octet_string(OSSL_SKEY_PARAM_RAW_BYTES,
317	0	(void *)key, keylen);
318
319	0	ret = import(provctx, OSSL_SKEYMGMT_SELECT_SECRET_KEY, import_params);
320	0	OPENSSL_free(key);
321
322	0	return ret;
323	0	}
324
325		const OSSL_DISPATCH ossl_kdf_pbkdf1_functions[] = {
326		{ OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_pbkdf1_new },
327		{ OSSL_FUNC_KDF_DUPCTX, (void(*)(void))kdf_pbkdf1_dup },
328		{ OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_pbkdf1_free },
329		{ OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_pbkdf1_reset },
330		{ OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_pbkdf1_derive },
331		{ OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS,
332		(void(*)(void))kdf_pbkdf1_settable_ctx_params },
333		{ OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_pbkdf1_set_ctx_params },
334		{ OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS,
335		(void(*)(void))kdf_pbkdf1_gettable_ctx_params },
336		{ OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_pbkdf1_get_ctx_params },
337		{ OSSL_FUNC_KDF_SET_SKEY, (void(*)(void))kdf_pbkdf1_set_skey },
338		{ OSSL_FUNC_KDF_DERIVE_SKEY, (void(*)(void))kdf_pbkdf1_derive_skey },
339		OSSL_DISPATCH_END
340		};