/src/openssl36/providers/implementations/kdfs/pkcs12kdf.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
 */
/* clang-format off */

/* clang-format on */

#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 "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);
}

/* clang-format off */
/* Machine generated by util/perl/OpenSSL/paramnames.pm */
#ifndef pkcs12_set_ctx_params_list
static const OSSL_PARAM pkcs12_set_ctx_params_list[] = {
    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
};
#endif

#ifndef pkcs12_set_ctx_params_st
struct pkcs12_set_ctx_params_st {
    OSSL_PARAM *digest;
    OSSL_PARAM *engine;
    OSSL_PARAM *iter;
    OSSL_PARAM *p12id;
    OSSL_PARAM *propq;
    OSSL_PARAM *pw;
    OSSL_PARAM *salt;
};
#endif

#ifndef pkcs12_set_ctx_params_decoder
static int pkcs12_set_ctx_params_decoder
    (const OSSL_PARAM *p, struct pkcs12_set_ctx_params_st *r)
{
    const char *s;

    memset(r, 0, sizeof(*r));
    if (p != NULL)
        for (; (s = p->key) != NULL; p++)
            switch(s[0]) {
            default:
                break;
            case 'd':
                if (ossl_likely(strcmp("igest", s + 1) == 0)) {
                    /* OSSL_KDF_PARAM_DIGEST */
                    if (ossl_unlikely(r->digest != NULL)) {
                        ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                       "param %s is repeated", s);
                        return 0;
                    }
                    r->digest = (OSSL_PARAM *)p;
                }
                break;
            case 'e':
                if (ossl_likely(strcmp("ngine", s + 1) == 0)) {
                    /* OSSL_ALG_PARAM_ENGINE */
                    if (ossl_unlikely(r->engine != NULL)) {
                        ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                       "param %s is repeated", s);
                        return 0;
                    }
                    r->engine = (OSSL_PARAM *)p;
                }
                break;
            case 'i':
                switch(s[1]) {
                default:
                    break;
                case 'd':
                    switch(s[2]) {
                    default:
                        break;
                    case '\0':
                        if (ossl_unlikely(r->p12id != NULL)) {
                            ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                           "param %s is repeated", s);
                            return 0;
                        }
                        r->p12id = (OSSL_PARAM *)p;
                    }
                    break;
                case 't':
                    if (ossl_likely(strcmp("er", s + 2) == 0)) {
                        /* OSSL_KDF_PARAM_ITER */
                        if (ossl_unlikely(r->iter != NULL)) {
                            ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                           "param %s is repeated", s);
                            return 0;
                        }
                        r->iter = (OSSL_PARAM *)p;
                    }
                }
                break;
            case 'p':
                switch(s[1]) {
                default:
                    break;
                case 'a':
                    if (ossl_likely(strcmp("ss", s + 2) == 0)) {
                        /* OSSL_KDF_PARAM_PASSWORD */
                        if (ossl_unlikely(r->pw != NULL)) {
                            ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                           "param %s is repeated", s);
                            return 0;
                        }
                        r->pw = (OSSL_PARAM *)p;
                    }
                    break;
                case 'r':
                    if (ossl_likely(strcmp("operties", s + 2) == 0)) {
                        /* OSSL_KDF_PARAM_PROPERTIES */
                        if (ossl_unlikely(r->propq != NULL)) {
                            ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                           "param %s is repeated", s);
                            return 0;
                        }
                        r->propq = (OSSL_PARAM *)p;
                    }
                }
                break;
            case 's':
                if (ossl_likely(strcmp("alt", s + 1) == 0)) {
                    /* OSSL_KDF_PARAM_SALT */
                    if (ossl_unlikely(r->salt != NULL)) {
                        ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                       "param %s is repeated", s);
                        return 0;
                    }
                    r->salt = (OSSL_PARAM *)p;
                }
            }
    return 1;
}
#endif
/* End of machine generated */
/* clang-format on */

static int kdf_pkcs12_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
    struct pkcs12_set_ctx_params_st p;
    KDF_PKCS12 *ctx = vctx;
    OSSL_LIB_CTX *provctx;

    if (ctx == NULL || !pkcs12_set_ctx_params_decoder(params, &p))
        return 0;

    provctx = PROV_LIBCTX_OF(ctx->provctx);

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

    if (p.pw != NULL && !pkcs12kdf_set_membuf(&ctx->pass, &ctx->pass_len, p.pw))
        return 0;

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

    if (p.p12id != NULL && !OSSL_PARAM_get_int(p.p12id, &ctx->id))
        return 0;

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

static const OSSL_PARAM *kdf_pkcs12_settable_ctx_params(
    ossl_unused void *ctx, ossl_unused void *provctx)
{
    return pkcs12_set_ctx_params_list;
}

/* clang-format off */
/* Machine generated by util/perl/OpenSSL/paramnames.pm */
#ifndef pkcs12_get_ctx_params_list
static const OSSL_PARAM pkcs12_get_ctx_params_list[] = {
    OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
    OSSL_PARAM_END
};
#endif

#ifndef pkcs12_get_ctx_params_st
struct pkcs12_get_ctx_params_st {
    OSSL_PARAM *size;
};
#endif

#ifndef pkcs12_get_ctx_params_decoder
static int pkcs12_get_ctx_params_decoder
    (const OSSL_PARAM *p, struct pkcs12_get_ctx_params_st *r)
{
    const char *s;

    memset(r, 0, sizeof(*r));
    if (p != NULL)
        for (; (s = p->key) != NULL; p++)
            if (ossl_likely(strcmp("size", s + 0) == 0)) {
                /* OSSL_KDF_PARAM_SIZE */
                if (ossl_unlikely(r->size != NULL)) {
                    ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
                                   "param %s is repeated", s);
                    return 0;
                }
                r->size = (OSSL_PARAM *)p;
            }
    return 1;
}
#endif
/* End of machine generated */
/* clang-format on */

static int kdf_pkcs12_get_ctx_params(void *vctx, OSSL_PARAM params[])
{
    struct pkcs12_get_ctx_params_st p;
    KDF_PKCS12 *ctx = vctx;

    if (ctx == NULL || !pkcs12_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_pkcs12_gettable_ctx_params(
    ossl_unused void *ctx, ossl_unused void *provctx)
{
    return pkcs12_get_ctx_params_list;
}

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
};

Coverage Report

Created: 2025-12-31 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		/* clang-format off */
10
11		/* clang-format on */
12
13		#include <openssl/trace.h>
14		#include <stdlib.h>
15		#include <stdarg.h>
16		#include <string.h>
17		#include <openssl/evp.h>
18		#include <openssl/kdf.h>
19		#include <openssl/core_names.h>
20		#include <openssl/proverr.h>
21		#include "internal/common.h"
22		#include "internal/cryptlib.h"
23		#include "internal/numbers.h"
24		#include "crypto/evp.h"
25		#include "prov/provider_ctx.h"
26		#include "prov/providercommon.h"
27		#include "prov/implementations.h"
28		#include "prov/provider_util.h"
29
30		static OSSL_FUNC_kdf_newctx_fn kdf_pkcs12_new;
31		static OSSL_FUNC_kdf_dupctx_fn kdf_pkcs12_dup;
32		static OSSL_FUNC_kdf_freectx_fn kdf_pkcs12_free;
33		static OSSL_FUNC_kdf_reset_fn kdf_pkcs12_reset;
34		static OSSL_FUNC_kdf_derive_fn kdf_pkcs12_derive;
35		static OSSL_FUNC_kdf_settable_ctx_params_fn kdf_pkcs12_settable_ctx_params;
36		static OSSL_FUNC_kdf_set_ctx_params_fn kdf_pkcs12_set_ctx_params;
37		static OSSL_FUNC_kdf_gettable_ctx_params_fn kdf_pkcs12_gettable_ctx_params;
38		static OSSL_FUNC_kdf_get_ctx_params_fn kdf_pkcs12_get_ctx_params;
39
40		typedef struct {
41		void *provctx;
42		PROV_DIGEST digest;
43		unsigned char *pass;
44		size_t pass_len;
45		unsigned char *salt;
46		size_t salt_len;
47		uint64_t iter;
48		int id;
49		} KDF_PKCS12;
50
51		/* PKCS12 compatible key/IV generation */
52
53		static int pkcs12kdf_derive(const unsigned char *pass, size_t passlen,
54		const unsigned char *salt, size_t saltlen,
55		int id, uint64_t iter, const EVP_MD *md_type,
56		unsigned char *out, size_t n)
57	503	{
58	503	unsigned char B = NULL, D = NULL, I = NULL, p = NULL, *Ai = NULL;
59	503	size_t Slen, Plen, Ilen;
60	503	size_t i, j, k, u, v;
61	503	uint64_t iter_cnt;
62	503	int ret = 0, ui, vi;
63	503	EVP_MD_CTX *ctx = NULL;
64
65	503	ctx = EVP_MD_CTX_new();
66	503	if (ctx == NULL) {
67	0	ERR_raise(ERR_LIB_PROV, ERR_R_EVP_LIB);
68	0	goto end;
69	0	}
70	503	vi = EVP_MD_get_block_size(md_type);
71	503	ui = EVP_MD_get_size(md_type);
72	503	if (ui <= 0 \|\| vi <= 0) {
73	7	ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);
74	7	goto end;
75	7	}
76	496	u = (size_t)ui;
77	496	v = (size_t)vi;
78	496	D = OPENSSL_malloc(v);
79	496	Ai = OPENSSL_malloc(u);
80	496	B = OPENSSL_malloc(v + 1);
81	496	Slen = v * ((saltlen + v - 1) / v);
82	496	if (passlen != 0)
83	364	Plen = v * ((passlen + v - 1) / v);
84	132	else
85	132	Plen = 0;
86	496	Ilen = Slen + Plen;
87	496	I = OPENSSL_malloc(Ilen);
88	496	if (D == NULL \|\| Ai == NULL \|\| B == NULL \|\| I == NULL)
89	60	goto end;
90	40.5k	for (i = 0; i < v; i++)
91	40.0k	D[i] = id;
92	436	p = I;
93	5.72M	for (i = 0; i < Slen; i++)
94	5.72M	*p++ = salt[i % saltlen];
95	1.72M	for (i = 0; i < Plen; i++)
96	1.72M	*p++ = pass[i % passlen];
97	650	for (;;) {
98	650	if (!EVP_DigestInit_ex(ctx, md_type, NULL)
99	650	\|\| !EVP_DigestUpdate(ctx, D, v)
100	650	\|\| !EVP_DigestUpdate(ctx, I, Ilen)
101	650	\|\| !EVP_DigestFinal_ex(ctx, Ai, NULL))
102	0	goto end;
103	650	for (iter_cnt = 1; iter_cnt < iter; iter_cnt++) {
104	0	if (!EVP_DigestInit_ex(ctx, md_type, NULL)
105	0	\|\| !EVP_DigestUpdate(ctx, Ai, u)
106	0	\|\| !EVP_DigestFinal_ex(ctx, Ai, NULL))
107	0	goto end;
108	0	}
109	650	memcpy(out, Ai, n < u ? n : u);
110	650	if (u >= n) {
111	436	ret = 1;
112	436	break;
113	436	}
114	214	n -= u;
115	214	out += u;
116	20.2k	for (j = 0; j < v; j++)
117	20.0k	B[j] = Ai[j % u];
118	59.0k	for (j = 0; j < Ilen; j += v) {
119	58.7k	unsigned char *Ij = I + j;
120	58.7k	uint16_t c = 1;
121
122		/* Work out Ij = Ij + B + 1 */
123	6.08M	for (k = v; k > 0;) {
124	6.02M	k--;
125	6.02M	c += Ij[k] + B[k];
126	6.02M	Ij[k] = (unsigned char)c;
127	6.02M	c >>= 8;
128	6.02M	}
129	58.7k	}
130	214	}
131
132	503	end:
133	503	OPENSSL_free(Ai);
134	503	OPENSSL_free(B);
135	503	OPENSSL_free(D);
136	503	OPENSSL_free(I);
137	503	EVP_MD_CTX_free(ctx);
138	503	return ret;
139	436	}
140
141		static void kdf_pkcs12_new(void provctx)
142	526	{
143	526	KDF_PKCS12 *ctx;
144
145	526	if (!ossl_prov_is_running())
146	0	return NULL;
147
148	526	ctx = OPENSSL_zalloc(sizeof(*ctx));
149	526	if (ctx == NULL)
150	0	return NULL;
151	526	ctx->provctx = provctx;
152	526	return ctx;
153	526	}
154
155		static void kdf_pkcs12_cleanup(KDF_PKCS12 *ctx)
156	526	{
157	526	ossl_prov_digest_reset(&ctx->digest);
158	526	OPENSSL_free(ctx->salt);
159	526	OPENSSL_clear_free(ctx->pass, ctx->pass_len);
160	526	memset(ctx, 0, sizeof(*ctx));
161	526	}
162
163		static void kdf_pkcs12_free(void *vctx)
164	526	{
165	526	KDF_PKCS12 ctx = (KDF_PKCS12 )vctx;
166
167	526	if (ctx != NULL) {
168	526	kdf_pkcs12_cleanup(ctx);
169	526	OPENSSL_free(ctx);
170	526	}
171	526	}
172
173		static void kdf_pkcs12_reset(void *vctx)
174	0	{
175	0	KDF_PKCS12 ctx = (KDF_PKCS12 )vctx;
176	0	void *provctx = ctx->provctx;
177
178	0	kdf_pkcs12_cleanup(ctx);
179	0	ctx->provctx = provctx;
180	0	}
181
182		static void kdf_pkcs12_dup(void vctx)
183	0	{
184	0	const KDF_PKCS12 src = (const KDF_PKCS12 )vctx;
185	0	KDF_PKCS12 *dest;
186
187	0	dest = kdf_pkcs12_new(src->provctx);
188	0	if (dest != NULL) {
189	0	if (!ossl_prov_memdup(src->salt, src->salt_len,
190	0	&dest->salt, &dest->salt_len)
191	0	\|\| !ossl_prov_memdup(src->pass, src->pass_len,
192	0	&dest->pass, &dest->pass_len)
193	0	\|\| !ossl_prov_digest_copy(&dest->digest, &src->digest))
194	0	goto err;
195	0	dest->iter = src->iter;
196	0	dest->id = src->id;
197	0	}
198	0	return dest;
199
200	0	err:
201	0	kdf_pkcs12_free(dest);
202	0	return NULL;
203	0	}
204
205		static int pkcs12kdf_set_membuf(unsigned char *buffer, size_t buflen,
206		const OSSL_PARAM *p)
207	1.00k	{
208	1.00k	OPENSSL_clear_free(buffer, buflen);
209	1.00k	*buffer = NULL;
210	1.00k	*buflen = 0;
211
212	1.00k	if (p->data_size == 0) {
213	310	if ((*buffer = OPENSSL_malloc(1)) == NULL)
214	0	return 0;
215	696	} else if (p->data != NULL) {
216	696	if (!OSSL_PARAM_get_octet_string(p, (void **)buffer, 0, buflen))
217	0	return 0;
218	696	}
219	1.00k	return 1;
220	1.00k	}
221
222		static int kdf_pkcs12_derive(void vctx, unsigned char key, size_t keylen,
223		const OSSL_PARAM params[])
224	503	{
225	503	KDF_PKCS12 ctx = (KDF_PKCS12 )vctx;
226	503	const EVP_MD *md;
227
228	503	if (!ossl_prov_is_running() \|\| !kdf_pkcs12_set_ctx_params(ctx, params))
229	0	return 0;
230
231	503	if (ctx->pass == NULL) {
232	0	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_PASS);
233	0	return 0;
234	0	}
235
236	503	if (ctx->salt == NULL) {
237	0	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_SALT);
238	0	return 0;
239	0	}
240
241	503	md = ossl_prov_digest_md(&ctx->digest);
242	503	return pkcs12kdf_derive(ctx->pass, ctx->pass_len, ctx->salt, ctx->salt_len,
243	503	ctx->id, ctx->iter, md, key, keylen);
244	503	}
245
246		/* clang-format off */
247		/* Machine generated by util/perl/OpenSSL/paramnames.pm */
248		#ifndef pkcs12_set_ctx_params_list
249		static const OSSL_PARAM pkcs12_set_ctx_params_list[] = {
250		OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
251		OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_DIGEST, NULL, 0),
252		OSSL_PARAM_octet_string(OSSL_KDF_PARAM_PASSWORD, NULL, 0),
253		OSSL_PARAM_octet_string(OSSL_KDF_PARAM_SALT, NULL, 0),
254		OSSL_PARAM_uint64(OSSL_KDF_PARAM_ITER, NULL),
255		OSSL_PARAM_int(OSSL_KDF_PARAM_PKCS12_ID, NULL),
256		OSSL_PARAM_END
257		};
258		#endif
259
260		#ifndef pkcs12_set_ctx_params_st
261		struct pkcs12_set_ctx_params_st {
262		OSSL_PARAM *digest;
263		OSSL_PARAM *engine;
264		OSSL_PARAM *iter;
265		OSSL_PARAM *p12id;
266		OSSL_PARAM *propq;
267		OSSL_PARAM *pw;
268		OSSL_PARAM *salt;
269		};
270		#endif
271
272		#ifndef pkcs12_set_ctx_params_decoder
273		static int pkcs12_set_ctx_params_decoder
274		(const OSSL_PARAM p, struct pkcs12_set_ctx_params_st r)
275	193	{
276	193	const char *s;
277
278	193	memset(r, 0, sizeof(*r));
279	193	if (p != NULL)
280	686	for (; (s = p->key) != NULL; p++)
281	588	switch(s[0]) {
282	0	default:
283	0	break;
284	98	case 'd':
285	98	if (ossl_likely(strcmp("igest", s + 1) == 0)) {
286		/* OSSL_KDF_PARAM_DIGEST */
287	98	if (ossl_unlikely(r->digest != NULL)) {
288	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
289	0	"param %s is repeated", s);
290	0	return 0;
291	0	}
292	98	r->digest = (OSSL_PARAM *)p;
293	98	}
294	98	break;
295	98	case 'e':
296	0	if (ossl_likely(strcmp("ngine", s + 1) == 0)) {
297		/* OSSL_ALG_PARAM_ENGINE */
298	0	if (ossl_unlikely(r->engine != NULL)) {
299	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
300	0	"param %s is repeated", s);
301	0	return 0;
302	0	}
303	0	r->engine = (OSSL_PARAM *)p;
304	0	}
305	0	break;
306	196	case 'i':
307	196	switch(s[1]) {
308	0	default:
309	0	break;
310	98	case 'd':
311	98	switch(s[2]) {
312	0	default:
313	0	break;
314	98	case '\0':
315	98	if (ossl_unlikely(r->p12id != NULL)) {
316	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
317	0	"param %s is repeated", s);
318	0	return 0;
319	0	}
320	98	r->p12id = (OSSL_PARAM *)p;
321	98	}
322	98	break;
323	98	case 't':
324	98	if (ossl_likely(strcmp("er", s + 2) == 0)) {
325		/* OSSL_KDF_PARAM_ITER */
326	98	if (ossl_unlikely(r->iter != NULL)) {
327	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
328	0	"param %s is repeated", s);
329	0	return 0;
330	0	}
331	98	r->iter = (OSSL_PARAM *)p;
332	98	}
333	196	}
334	196	break;
335	196	case 'p':
336	196	switch(s[1]) {
337	0	default:
338	0	break;
339	98	case 'a':
340	98	if (ossl_likely(strcmp("ss", s + 2) == 0)) {
341		/* OSSL_KDF_PARAM_PASSWORD */
342	98	if (ossl_unlikely(r->pw != NULL)) {
343	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
344	0	"param %s is repeated", s);
345	0	return 0;
346	0	}
347	98	r->pw = (OSSL_PARAM *)p;
348	98	}
349	98	break;
350	98	case 'r':
351	98	if (ossl_likely(strcmp("operties", s + 2) == 0)) {
352		/* OSSL_KDF_PARAM_PROPERTIES */
353	98	if (ossl_unlikely(r->propq != NULL)) {
354	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
355	0	"param %s is repeated", s);
356	0	return 0;
357	0	}
358	98	r->propq = (OSSL_PARAM *)p;
359	98	}
360	196	}
361	196	break;
362	196	case 's':
363	98	if (ossl_likely(strcmp("alt", s + 1) == 0)) {
364		/* OSSL_KDF_PARAM_SALT */
365	98	if (ossl_unlikely(r->salt != NULL)) {
366	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
367	0	"param %s is repeated", s);
368	0	return 0;
369	0	}
370	98	r->salt = (OSSL_PARAM *)p;
371	98	}
372	588	}
373	193	return 1;
374	193	}
375		#endif
376		/* End of machine generated */
377		/* clang-format on */
378
379		static int kdf_pkcs12_set_ctx_params(void *vctx, const OSSL_PARAM params[])
380	545	{
381	545	struct pkcs12_set_ctx_params_st p;
382	545	KDF_PKCS12 *ctx = vctx;
383	545	OSSL_LIB_CTX *provctx;
384
385	545	if (ctx == NULL \|\| !pkcs12_set_ctx_params_decoder(params, &p))
386	0	return 0;
387
388	545	provctx = PROV_LIBCTX_OF(ctx->provctx);
389
390	545	if (!ossl_prov_digest_load(&ctx->digest, p.digest,
391	545	p.propq, p.engine, provctx))
392	15	return 0;
393
394	530	if (p.pw != NULL && !pkcs12kdf_set_membuf(&ctx->pass, &ctx->pass_len, p.pw))
395	0	return 0;
396
397	530	if (p.salt != NULL
398	265	&& !pkcs12kdf_set_membuf(&ctx->salt, &ctx->salt_len, p.salt))
399	0	return 0;
400
401	530	if (p.p12id != NULL && !OSSL_PARAM_get_int(p.p12id, &ctx->id))
402	0	return 0;
403
404	530	if (p.iter != NULL && !OSSL_PARAM_get_uint64(p.iter, &ctx->iter))
405	0	return 0;
406	530	return 1;
407	530	}
408
409		static const OSSL_PARAM *kdf_pkcs12_settable_ctx_params(
410		ossl_unused void ctx, ossl_unused void provctx)
411	526	{
412	526	return pkcs12_set_ctx_params_list;
413	526	}
414
415		/* clang-format off */
416		/* Machine generated by util/perl/OpenSSL/paramnames.pm */
417		#ifndef pkcs12_get_ctx_params_list
418		static const OSSL_PARAM pkcs12_get_ctx_params_list[] = {
419		OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
420		OSSL_PARAM_END
421		};
422		#endif
423
424		#ifndef pkcs12_get_ctx_params_st
425		struct pkcs12_get_ctx_params_st {
426		OSSL_PARAM *size;
427		};
428		#endif
429
430		#ifndef pkcs12_get_ctx_params_decoder
431		static int pkcs12_get_ctx_params_decoder
432		(const OSSL_PARAM p, struct pkcs12_get_ctx_params_st r)
433	0	{
434	0	const char *s;
435
436	0	memset(r, 0, sizeof(*r));
437	0	if (p != NULL)
438	0	for (; (s = p->key) != NULL; p++)
439	0	if (ossl_likely(strcmp("size", s + 0) == 0)) {
440		/* OSSL_KDF_PARAM_SIZE */
441	0	if (ossl_unlikely(r->size != NULL)) {
442	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_REPEATED_PARAMETER,
443	0	"param %s is repeated", s);
444	0	return 0;
445	0	}
446	0	r->size = (OSSL_PARAM *)p;
447	0	}
448	0	return 1;
449	0	}
450		#endif
451		/* End of machine generated */
452		/* clang-format on */
453
454		static int kdf_pkcs12_get_ctx_params(void *vctx, OSSL_PARAM params[])
455	0	{
456	0	struct pkcs12_get_ctx_params_st p;
457	0	KDF_PKCS12 *ctx = vctx;
458
459	0	if (ctx == NULL \|\| !pkcs12_get_ctx_params_decoder(params, &p))
460	0	return 0;
461
462	0	if (p.size != NULL && !OSSL_PARAM_set_size_t(p.size, SIZE_MAX))
463	0	return 0;
464	0	return 1;
465	0	}
466
467		static const OSSL_PARAM *kdf_pkcs12_gettable_ctx_params(
468		ossl_unused void ctx, ossl_unused void provctx)
469	0	{
470	0	return pkcs12_get_ctx_params_list;
471	0	}
472
473		const OSSL_DISPATCH ossl_kdf_pkcs12_functions[] = {
474		{ OSSL_FUNC_KDF_NEWCTX, (void (*)(void))kdf_pkcs12_new },
475		{ OSSL_FUNC_KDF_DUPCTX, (void (*)(void))kdf_pkcs12_dup },
476		{ OSSL_FUNC_KDF_FREECTX, (void (*)(void))kdf_pkcs12_free },
477		{ OSSL_FUNC_KDF_RESET, (void (*)(void))kdf_pkcs12_reset },
478		{ OSSL_FUNC_KDF_DERIVE, (void (*)(void))kdf_pkcs12_derive },
479		{ OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS,
480		(void (*)(void))kdf_pkcs12_settable_ctx_params },
481		{ OSSL_FUNC_KDF_SET_CTX_PARAMS, (void (*)(void))kdf_pkcs12_set_ctx_params },
482		{ OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS,
483		(void (*)(void))kdf_pkcs12_gettable_ctx_params },
484		{ OSSL_FUNC_KDF_GET_CTX_PARAMS, (void (*)(void))kdf_pkcs12_get_ctx_params },
485		OSSL_DISPATCH_END
486		};