[thirdparty/openssl.git] / providers / implementations / kdfs / pkcs12kdf.c

/*
 * Copyright 1999-2023 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/cryptlib.h"
#include "internal/numbers.h"
#include "crypto/evp.h"
#include "prov/provider_ctx.h"
#include "prov/providercommon.h"
#include "prov/implementations.h"
#include "prov/provider_util.h"

static OSSL_FUNC_kdf_newctx_fn kdf_pkcs12_new;
static OSSL_FUNC_kdf_dupctx_fn kdf_pkcs12_dup;
static OSSL_FUNC_kdf_freectx_fn kdf_pkcs12_free;
static OSSL_FUNC_kdf_reset_fn kdf_pkcs12_reset;
static OSSL_FUNC_kdf_derive_fn kdf_pkcs12_derive;
static OSSL_FUNC_kdf_settable_ctx_params_fn kdf_pkcs12_settable_ctx_params;
static OSSL_FUNC_kdf_set_ctx_params_fn kdf_pkcs12_set_ctx_params;
static OSSL_FUNC_kdf_gettable_ctx_params_fn kdf_pkcs12_gettable_ctx_params;
static OSSL_FUNC_kdf_get_ctx_params_fn kdf_pkcs12_get_ctx_params;

typedef struct {
    void *provctx;
    PROV_DIGEST digest;
    unsigned char *pass;
    size_t pass_len;
    unsigned char *salt;
    size_t salt_len;
    uint64_t iter;
    int id;
} KDF_PKCS12;

/* PKCS12 compatible key/IV generation */

static int pkcs12kdf_derive(const unsigned char *pass, size_t passlen,
                            const unsigned char *salt, size_t saltlen,
                            int id, uint64_t iter, const EVP_MD *md_type,
                            unsigned char *out, size_t n)
{
    unsigned char *B = NULL, *D = NULL, *I = NULL, *p = NULL, *Ai = NULL;
    size_t Slen, Plen, Ilen;
    size_t i, j, k, u, v;
    uint64_t iter_cnt;
    int ret = 0, ui, vi;
    EVP_MD_CTX *ctx = NULL;

    ctx = EVP_MD_CTX_new();
    if (ctx == NULL) {
        ERR_raise(ERR_LIB_PROV, ERR_R_EVP_LIB);
        goto end;
    }
    vi = EVP_MD_get_block_size(md_type);
    ui = EVP_MD_get_size(md_type);
    if (ui <= 0 || vi <= 0) {
        ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);
        goto end;
    }
    u = (size_t)ui;
    v = (size_t)vi;
    D = OPENSSL_malloc(v);
    Ai = OPENSSL_malloc(u);
    B = OPENSSL_malloc(v + 1);
    Slen = v * ((saltlen + v - 1) / v);
    if (passlen != 0)
        Plen = v * ((passlen + v - 1) / v);
    else
        Plen = 0;
    Ilen = Slen + Plen;
    I = OPENSSL_malloc(Ilen);
    if (D == NULL || Ai == NULL || B == NULL || I == NULL)
        goto end;
    for (i = 0; i < v; i++)
        D[i] = id;
    p = I;
    for (i = 0; i < Slen; i++)
        *p++ = salt[i % saltlen];
    for (i = 0; i < Plen; i++)
        *p++ = pass[i % passlen];
    for (;;) {
        if (!EVP_DigestInit_ex(ctx, md_type, NULL)
            || !EVP_DigestUpdate(ctx, D, v)
            || !EVP_DigestUpdate(ctx, I, Ilen)
            || !EVP_DigestFinal_ex(ctx, Ai, NULL))
            goto end;
        for (iter_cnt = 1; iter_cnt < iter; iter_cnt++) {
            if (!EVP_DigestInit_ex(ctx, md_type, NULL)
                || !EVP_DigestUpdate(ctx, Ai, u)
                || !EVP_DigestFinal_ex(ctx, Ai, NULL))
                goto end;
        }
        memcpy(out, Ai, n < u ? n : u);
        if (u >= n) {
            ret = 1;
            break;
        }
        n -= u;
        out += u;
        for (j = 0; j < v; j++)
            B[j] = Ai[j % u];
        for (j = 0; j < Ilen; j += v) {
            unsigned char *Ij = I + j;
            uint16_t c = 1;

            /* Work out Ij = Ij + B + 1 */
            for (k = v; k > 0;) {
                k--;
                c += Ij[k] + B[k];
                Ij[k] = (unsigned char)c;
                c >>= 8;
            }
        }
    }

 end:
    OPENSSL_free(Ai);
    OPENSSL_free(B);
    OPENSSL_free(D);
    OPENSSL_free(I);
    EVP_MD_CTX_free(ctx);
    return ret;
}

static void *kdf_pkcs12_new(void *provctx)
{
    KDF_PKCS12 *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_pkcs12_cleanup(KDF_PKCS12 *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_pkcs12_free(void *vctx)
{
    KDF_PKCS12 *ctx = (KDF_PKCS12 *)vctx;

    if (ctx != NULL) {
        kdf_pkcs12_cleanup(ctx);
        OPENSSL_free(ctx);
    }
}

static void kdf_pkcs12_reset(void *vctx)
{
    KDF_PKCS12 *ctx = (KDF_PKCS12 *)vctx;
    void *provctx = ctx->provctx;

    kdf_pkcs12_cleanup(ctx);
    ctx->provctx = provctx;
}

static void *kdf_pkcs12_dup(void *vctx)
{
    const KDF_PKCS12 *src = (const KDF_PKCS12 *)vctx;
    KDF_PKCS12 *dest;

    dest = kdf_pkcs12_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;
        dest->id = src->id;
    }
    return dest;

 err:
    kdf_pkcs12_free(dest);
    return NULL;
}

static int pkcs12kdf_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_pkcs12_derive(void *vctx, unsigned char *key, size_t keylen,
                             const OSSL_PARAM params[])
{
    KDF_PKCS12 *ctx = (KDF_PKCS12 *)vctx;
    const EVP_MD *md;

    if (!ossl_prov_is_running() || !kdf_pkcs12_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 pkcs12kdf_derive(ctx->pass, ctx->pass_len, ctx->salt, ctx->salt_len,
                            ctx->id, ctx->iter, md, key, keylen);
}

static int kdf_pkcs12_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
    const OSSL_PARAM *p;
    KDF_PKCS12 *ctx = vctx;
    OSSL_LIB_CTX *provctx = PROV_LIBCTX_OF(ctx->provctx);

    if (params == NULL)
        return 1;

    if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
        return 0;

    if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PASSWORD)) != NULL)
        if (!pkcs12kdf_set_membuf(&ctx->pass, &ctx->pass_len, p))
            return 0;

    if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_SALT)) != NULL)
        if (!pkcs12kdf_set_membuf(&ctx->salt, &ctx->salt_len, p))
            return 0;

    if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PKCS12_ID)) != NULL)
        if (!OSSL_PARAM_get_int(p, &ctx->id))
            return 0;

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

static const OSSL_PARAM *kdf_pkcs12_settable_ctx_params(
        ossl_unused void *ctx, ossl_unused void *provctx)
{
    static const OSSL_PARAM known_settable_ctx_params[] = {
        OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
        OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_DIGEST, NULL, 0),
        OSSL_PARAM_octet_string(OSSL_KDF_PARAM_PASSWORD, NULL, 0),
        OSSL_PARAM_octet_string(OSSL_KDF_PARAM_SALT, NULL, 0),
        OSSL_PARAM_uint64(OSSL_KDF_PARAM_ITER, NULL),
        OSSL_PARAM_int(OSSL_KDF_PARAM_PKCS12_ID, NULL),
        OSSL_PARAM_END
    };
    return known_settable_ctx_params;
}

static int kdf_pkcs12_get_ctx_params(void *vctx, OSSL_PARAM params[])
{
    OSSL_PARAM *p;

    if ((p = OSSL_PARAM_locate(params, OSSL_KDF_PARAM_SIZE)) != NULL)
        return OSSL_PARAM_set_size_t(p, SIZE_MAX);
    return -2;
}

static const OSSL_PARAM *kdf_pkcs12_gettable_ctx_params(
        ossl_unused void *ctx, ossl_unused void *provctx)
{
    static const OSSL_PARAM known_gettable_ctx_params[] = {
        OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
        OSSL_PARAM_END
    };
    return known_gettable_ctx_params;
}

const OSSL_DISPATCH ossl_kdf_pkcs12_functions[] = {
    { OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_pkcs12_new },
    { OSSL_FUNC_KDF_DUPCTX, (void(*)(void))kdf_pkcs12_dup },
    { OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_pkcs12_free },
    { OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_pkcs12_reset },
    { OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_pkcs12_derive },
    { OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS,
      (void(*)(void))kdf_pkcs12_settable_ctx_params },
    { OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_pkcs12_set_ctx_params },
    { OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS,
      (void(*)(void))kdf_pkcs12_gettable_ctx_params },
    { OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_pkcs12_get_ctx_params },
    OSSL_DISPATCH_END
};
Commit	Line	Data
b7466c13	1	/*
da1c088f	2	* Copyright 1999-2023 The OpenSSL Project Authors. All Rights Reserved.
b7466c13 P	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>
2741128e	17	#include <openssl/proverr.h>
b7466c13 P	18	#include "internal/cryptlib.h"
	19	#include "internal/numbers.h"
	20	#include "crypto/evp.h"
	21	#include "prov/provider_ctx.h"
2b9e4e95	22	#include "prov/providercommon.h"
b7466c13 P	23	#include "prov/implementations.h"
	24	#include "prov/provider_util.h"
	25
	26	static OSSL_FUNC_kdf_newctx_fn kdf_pkcs12_new;
d3aaf4e9	27	static OSSL_FUNC_kdf_dupctx_fn kdf_pkcs12_dup;
b7466c13 P	28	static OSSL_FUNC_kdf_freectx_fn kdf_pkcs12_free;
	29	static OSSL_FUNC_kdf_reset_fn kdf_pkcs12_reset;
	30	static OSSL_FUNC_kdf_derive_fn kdf_pkcs12_derive;
	31	static OSSL_FUNC_kdf_settable_ctx_params_fn kdf_pkcs12_settable_ctx_params;
	32	static OSSL_FUNC_kdf_set_ctx_params_fn kdf_pkcs12_set_ctx_params;
	33	static OSSL_FUNC_kdf_gettable_ctx_params_fn kdf_pkcs12_gettable_ctx_params;
	34	static OSSL_FUNC_kdf_get_ctx_params_fn kdf_pkcs12_get_ctx_params;
	35
	36	typedef struct {
	37	void *provctx;
	38	PROV_DIGEST digest;
	39	unsigned char *pass;
	40	size_t pass_len;
	41	unsigned char *salt;
	42	size_t salt_len;
	43	uint64_t iter;
	44	int id;
	45	} KDF_PKCS12;
	46
	47	/* PKCS12 compatible key/IV generation */
	48
	49	static int pkcs12kdf_derive(const unsigned char *pass, size_t passlen,
	50	const unsigned char *salt, size_t saltlen,
	51	int id, uint64_t iter, const EVP_MD *md_type,
	52	unsigned char *out, size_t n)
	53	{
	54	unsigned char B = NULL, D = NULL, I = NULL, p = NULL, *Ai = NULL;
	55	size_t Slen, Plen, Ilen;
	56	size_t i, j, k, u, v;
	57	uint64_t iter_cnt;
	58	int ret = 0, ui, vi;
	59	EVP_MD_CTX *ctx = NULL;
	60
	61	ctx = EVP_MD_CTX_new();
	62	if (ctx == NULL) {
e077455e	63	ERR_raise(ERR_LIB_PROV, ERR_R_EVP_LIB);
b7466c13 P	64	goto end;
b7466c13 P	65	}
ed576acd TM	66	vi = EVP_MD_get_block_size(md_type);
ed576acd TM	67	ui = EVP_MD_get_size(md_type);
9f81ef9c	68	if (ui <= 0 \|\| vi <= 0) {
b7466c13 P	69	ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);
	70	goto end;
	71	}
	72	u = (size_t)ui;
	73	v = (size_t)vi;
	74	D = OPENSSL_malloc(v);
	75	Ai = OPENSSL_malloc(u);
	76	B = OPENSSL_malloc(v + 1);
	77	Slen = v * ((saltlen + v - 1) / v);
	78	if (passlen != 0)
	79	Plen = v * ((passlen + v - 1) / v);
	80	else
	81	Plen = 0;
	82	Ilen = Slen + Plen;
	83	I = OPENSSL_malloc(Ilen);
e077455e	84	if (D == NULL \|\| Ai == NULL \|\| B == NULL \|\| I == NULL)
b7466c13	85	goto end;
b7466c13 P	86	for (i = 0; i < v; i++)
	87	D[i] = id;
	88	p = I;
	89	for (i = 0; i < Slen; i++)
	90	*p++ = salt[i % saltlen];
	91	for (i = 0; i < Plen; i++)
	92	*p++ = pass[i % passlen];
	93	for (;;) {
	94	if (!EVP_DigestInit_ex(ctx, md_type, NULL)
	95	\|\| !EVP_DigestUpdate(ctx, D, v)
	96	\|\| !EVP_DigestUpdate(ctx, I, Ilen)
	97	\|\| !EVP_DigestFinal_ex(ctx, Ai, NULL))
	98	goto end;
	99	for (iter_cnt = 1; iter_cnt < iter; iter_cnt++) {
	100	if (!EVP_DigestInit_ex(ctx, md_type, NULL)
	101	\|\| !EVP_DigestUpdate(ctx, Ai, u)
	102	\|\| !EVP_DigestFinal_ex(ctx, Ai, NULL))
	103	goto end;
	104	}
	105	memcpy(out, Ai, n < u ? n : u);
	106	if (u >= n) {
	107	ret = 1;
	108	break;
	109	}
	110	n -= u;
	111	out += u;
	112	for (j = 0; j < v; j++)
	113	B[j] = Ai[j % u];
	114	for (j = 0; j < Ilen; j += v) {
	115	unsigned char *Ij = I + j;
	116	uint16_t c = 1;
	117
	118	/* Work out Ij = Ij + B + 1 */
	119	for (k = v; k > 0;) {
	120	k--;
	121	c += Ij[k] + B[k];
	122	Ij[k] = (unsigned char)c;
	123	c >>= 8;
	124	}
	125	}
	126	}
	127
	128	end:
	129	OPENSSL_free(Ai);
	130	OPENSSL_free(B);
	131	OPENSSL_free(D);
	132	OPENSSL_free(I);
	133	EVP_MD_CTX_free(ctx);
	134	return ret;
	135	}
	136
	137	static void kdf_pkcs12_new(void provctx)
	138	{
	139	KDF_PKCS12 *ctx;
	140
2b9e4e95 P	141	if (!ossl_prov_is_running())
	142	return NULL;
	143
b7466c13	144	ctx = OPENSSL_zalloc(sizeof(*ctx));
e077455e	145	if (ctx == NULL)
b7466c13	146	return NULL;
b7466c13 P	147	ctx->provctx = provctx;
	148	return ctx;
	149	}
	150
	151	static void kdf_pkcs12_cleanup(KDF_PKCS12 *ctx)
	152	{
	153	ossl_prov_digest_reset(&ctx->digest);
	154	OPENSSL_free(ctx->salt);
	155	OPENSSL_clear_free(ctx->pass, ctx->pass_len);
	156	memset(ctx, 0, sizeof(*ctx));
	157	}
	158
	159	static void kdf_pkcs12_free(void *vctx)
	160	{
	161	KDF_PKCS12 ctx = (KDF_PKCS12 )vctx;
	162
	163	if (ctx != NULL) {
	164	kdf_pkcs12_cleanup(ctx);
	165	OPENSSL_free(ctx);
	166	}
	167	}
	168
	169	static void kdf_pkcs12_reset(void *vctx)
	170	{
	171	KDF_PKCS12 ctx = (KDF_PKCS12 )vctx;
	172	void *provctx = ctx->provctx;
	173
	174	kdf_pkcs12_cleanup(ctx);
	175	ctx->provctx = provctx;
	176	}
	177
d3aaf4e9 P	178	static void kdf_pkcs12_dup(void vctx)
	179	{
	180	const KDF_PKCS12 src = (const KDF_PKCS12 )vctx;
	181	KDF_PKCS12 *dest;
	182
	183	dest = kdf_pkcs12_new(src->provctx);
	184	if (dest != NULL) {
	185	if (!ossl_prov_memdup(src->salt, src->salt_len,
	186	&dest->salt, &dest->salt_len)
	187	\|\| !ossl_prov_memdup(src->pass, src->pass_len,
	188	&dest->pass , &dest->pass_len)
	189	\|\| !ossl_prov_digest_copy(&dest->digest, &src->digest))
	190	goto err;
	191	dest->iter = src->iter;
	192	dest->id = src->id;
	193	}
	194	return dest;
	195
	196	err:
	197	kdf_pkcs12_free(dest);
	198	return NULL;
	199	}
	200
b7466c13 P	201	static int pkcs12kdf_set_membuf(unsigned char *buffer, size_t buflen,
	202	const OSSL_PARAM *p)
	203	{
	204	OPENSSL_clear_free(buffer, buflen);
d2217c88 TM	205	*buffer = NULL;
	206	*buflen = 0;
	207
b7466c13	208	if (p->data_size == 0) {
e077455e	209	if ((*buffer = OPENSSL_malloc(1)) == NULL)
b7466c13	210	return 0;
b7466c13	211	} else if (p->data != NULL) {
b7466c13 P	212	if (!OSSL_PARAM_get_octet_string(p, (void **)buffer, 0, buflen))
	213	return 0;
	214	}
	215	return 1;
	216	}
	217
3469b388 P	218	static int kdf_pkcs12_derive(void vctx, unsigned char key, size_t keylen,
3469b388 P	219	const OSSL_PARAM params[])
b7466c13 P	220	{
b7466c13 P	221	KDF_PKCS12 ctx = (KDF_PKCS12 )vctx;
2b9e4e95 P	222	const EVP_MD *md;
2b9e4e95 P	223
3469b388	224	if (!ossl_prov_is_running() \|\| !kdf_pkcs12_set_ctx_params(ctx, params))
2b9e4e95	225	return 0;
b7466c13 P	226
	227	if (ctx->pass == NULL) {
	228	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_PASS);
	229	return 0;
	230	}
	231
	232	if (ctx->salt == NULL) {
	233	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_SALT);
	234	return 0;
	235	}
	236
2b9e4e95	237	md = ossl_prov_digest_md(&ctx->digest);
b7466c13 P	238	return pkcs12kdf_derive(ctx->pass, ctx->pass_len, ctx->salt, ctx->salt_len,
	239	ctx->id, ctx->iter, md, key, keylen);
	240	}
	241
	242	static int kdf_pkcs12_set_ctx_params(void *vctx, const OSSL_PARAM params[])
	243	{
	244	const OSSL_PARAM *p;
	245	KDF_PKCS12 *ctx = vctx;
a829b735	246	OSSL_LIB_CTX *provctx = PROV_LIBCTX_OF(ctx->provctx);
b7466c13	247
c983a0e5 P	248	if (params == NULL)
	249	return 1;
	250
b7466c13 P	251	if (!ossl_prov_digest_load_from_params(&ctx->digest, params, provctx))
	252	return 0;
	253
	254	if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PASSWORD)) != NULL)
	255	if (!pkcs12kdf_set_membuf(&ctx->pass, &ctx->pass_len, p))
	256	return 0;
	257
	258	if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_SALT)) != NULL)
1287dabd	259	if (!pkcs12kdf_set_membuf(&ctx->salt, &ctx->salt_len, p))
b7466c13 P	260	return 0;
	261
	262	if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PKCS12_ID)) != NULL)
	263	if (!OSSL_PARAM_get_int(p, &ctx->id))
	264	return 0;
	265
	266	if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_ITER)) != NULL)
	267	if (!OSSL_PARAM_get_uint64(p, &ctx->iter))
	268	return 0;
	269	return 1;
	270	}
	271
1e8e5c60 P	272	static const OSSL_PARAM *kdf_pkcs12_settable_ctx_params(
1e8e5c60 P	273	ossl_unused void ctx, ossl_unused void provctx)
b7466c13 P	274	{
	275	static const OSSL_PARAM known_settable_ctx_params[] = {
	276	OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
	277	OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_DIGEST, NULL, 0),
	278	OSSL_PARAM_octet_string(OSSL_KDF_PARAM_PASSWORD, NULL, 0),
	279	OSSL_PARAM_octet_string(OSSL_KDF_PARAM_SALT, NULL, 0),
	280	OSSL_PARAM_uint64(OSSL_KDF_PARAM_ITER, NULL),
	281	OSSL_PARAM_int(OSSL_KDF_PARAM_PKCS12_ID, NULL),
	282	OSSL_PARAM_END
	283	};
	284	return known_settable_ctx_params;
	285	}
	286
	287	static int kdf_pkcs12_get_ctx_params(void *vctx, OSSL_PARAM params[])
	288	{
	289	OSSL_PARAM *p;
	290
	291	if ((p = OSSL_PARAM_locate(params, OSSL_KDF_PARAM_SIZE)) != NULL)
	292	return OSSL_PARAM_set_size_t(p, SIZE_MAX);
	293	return -2;
	294	}
	295
1e8e5c60 P	296	static const OSSL_PARAM *kdf_pkcs12_gettable_ctx_params(
1e8e5c60 P	297	ossl_unused void ctx, ossl_unused void provctx)
b7466c13 P	298	{
	299	static const OSSL_PARAM known_gettable_ctx_params[] = {
	300	OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
	301	OSSL_PARAM_END
	302	};
	303	return known_gettable_ctx_params;
	304	}
	305
1be63951	306	const OSSL_DISPATCH ossl_kdf_pkcs12_functions[] = {
b7466c13	307	{ OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_pkcs12_new },
d3aaf4e9	308	{ OSSL_FUNC_KDF_DUPCTX, (void(*)(void))kdf_pkcs12_dup },
b7466c13 P	309	{ OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_pkcs12_free },
	310	{ OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_pkcs12_reset },
	311	{ OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_pkcs12_derive },
	312	{ OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS,
	313	(void(*)(void))kdf_pkcs12_settable_ctx_params },
	314	{ OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_pkcs12_set_ctx_params },
	315	{ OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS,
	316	(void(*)(void))kdf_pkcs12_gettable_ctx_params },
	317	{ OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_pkcs12_get_ctx_params },
1e6bd31e	318	OSSL_DISPATCH_END
b7466c13	319	};