Coverage Report

Created: 2025-12-31 06:58

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/openssl35/providers/implementations/keymgmt/ml_dsa_kmgmt.c
Line
Count
Source
1
/*
2
 * Copyright 2024-2025 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/core_dispatch.h>
11
#include <openssl/core_names.h>
12
#include <openssl/evp.h>
13
#include <openssl/param_build.h>
14
#include <openssl/proverr.h>
15
#include <openssl/self_test.h>
16
#include "crypto/ml_dsa.h"
17
#include "internal/fips.h"
18
#include "internal/param_build_set.h"
19
#include "prov/implementations.h"
20
#include "prov/providercommon.h"
21
#include "prov/provider_ctx.h"
22
#include "prov/ml_dsa.h"
23
24
static OSSL_FUNC_keymgmt_free_fn ml_dsa_free_key;
25
static OSSL_FUNC_keymgmt_has_fn ml_dsa_has;
26
static OSSL_FUNC_keymgmt_match_fn ml_dsa_match;
27
static OSSL_FUNC_keymgmt_import_fn ml_dsa_import;
28
static OSSL_FUNC_keymgmt_export_fn ml_dsa_export;
29
static OSSL_FUNC_keymgmt_import_types_fn ml_dsa_imexport_types;
30
static OSSL_FUNC_keymgmt_export_types_fn ml_dsa_imexport_types;
31
static OSSL_FUNC_keymgmt_dup_fn ml_dsa_dup_key;
32
static OSSL_FUNC_keymgmt_get_params_fn ml_dsa_get_params;
33
static OSSL_FUNC_keymgmt_gettable_params_fn ml_dsa_gettable_params;
34
static OSSL_FUNC_keymgmt_validate_fn ml_dsa_validate;
35
static OSSL_FUNC_keymgmt_gen_init_fn ml_dsa_gen_init;
36
static OSSL_FUNC_keymgmt_gen_cleanup_fn ml_dsa_gen_cleanup;
37
static OSSL_FUNC_keymgmt_gen_set_params_fn ml_dsa_gen_set_params;
38
static OSSL_FUNC_keymgmt_gen_settable_params_fn ml_dsa_gen_settable_params;
39
#ifndef FIPS_MODULE
40
static OSSL_FUNC_keymgmt_load_fn ml_dsa_load;
41
#endif
42
43
struct ml_dsa_gen_ctx {
44
    PROV_CTX *provctx;
45
    char *propq;
46
    uint8_t entropy[32];
47
    size_t entropy_len;
48
};
49
50
#ifdef FIPS_MODULE
51
static int ml_dsa_pairwise_test(const ML_DSA_KEY *key)
52
{
53
    OSSL_SELF_TEST *st = NULL;
54
    OSSL_CALLBACK *cb = NULL;
55
    OSSL_LIB_CTX *ctx;
56
    void *cbarg = NULL;
57
    static const uint8_t msg[] = { 80, 108, 117, 103, 104 };
58
    uint8_t rnd[ML_DSA_ENTROPY_LEN];
59
    uint8_t sig[ML_DSA_87_SIG_LEN];
60
    size_t sig_len = 0;
61
    int ret = 0;
62
63
    if (!ml_dsa_has(key, OSSL_KEYMGMT_SELECT_KEYPAIR)
64
        || ossl_fips_self_testing())
65
        return 1;
66
67
    /*
68
     * The functions `OSSL_SELF_TEST_*` will return directly if parameter `st`
69
     * is NULL.
70
     */
71
    ctx = ossl_ml_dsa_key_get0_libctx(key);
72
    OSSL_SELF_TEST_get_callback(ctx, &cb, &cbarg);
73
74
    if ((st = OSSL_SELF_TEST_new(cb, cbarg)) == NULL)
75
        return 0;
76
77
    OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_PCT,
78
        OSSL_SELF_TEST_DESC_PCT_ML_DSA);
79
80
    memset(rnd, 0, sizeof(rnd));
81
    memset(sig, 0, sizeof(sig));
82
83
    if (ossl_ml_dsa_sign(key, 0, msg, sizeof(msg), NULL, 0, rnd, sizeof(rnd), 0,
84
            sig, &sig_len, sizeof(sig))
85
        <= 0)
86
        goto err;
87
88
    OSSL_SELF_TEST_oncorrupt_byte(st, sig);
89
90
    if (ossl_ml_dsa_verify(key, 0, msg, sizeof(msg), NULL, 0, 0,
91
            sig, sig_len)
92
        <= 0)
93
        goto err;
94
95
    ret = 1;
96
err:
97
    OSSL_SELF_TEST_onend(st, ret);
98
    OSSL_SELF_TEST_free(st);
99
    return ret;
100
}
101
#endif
102
103
ML_DSA_KEY *ossl_prov_ml_dsa_new(PROV_CTX *ctx, const char *propq, int evp_type)
104
1.62k
{
105
1.62k
    ML_DSA_KEY *key;
106
107
1.62k
    if (!ossl_prov_is_running())
108
0
        return 0;
109
110
1.62k
    key = ossl_ml_dsa_key_new(PROV_LIBCTX_OF(ctx), propq, evp_type);
111
    /*
112
     * When decoding, if the key ends up "loaded" into the same provider, these
113
     * are the correct config settings, otherwise, new values will be assigned
114
     * on import into a different provider.  The "load" API does not pass along
115
     * the provider context.
116
     */
117
1.62k
    if (key != NULL) {
118
1.62k
        int flags_set = 0, flags_clr = 0;
119
120
1.62k
        if (ossl_prov_ctx_get_bool_param(
121
1.62k
                ctx, OSSL_PKEY_PARAM_ML_DSA_RETAIN_SEED, 1))
122
1.62k
            flags_set |= ML_DSA_KEY_RETAIN_SEED;
123
0
        else
124
0
            flags_clr = ML_DSA_KEY_RETAIN_SEED;
125
126
1.62k
        if (ossl_prov_ctx_get_bool_param(
127
1.62k
                ctx, OSSL_PKEY_PARAM_ML_DSA_PREFER_SEED, 1))
128
1.62k
            flags_set |= ML_DSA_KEY_PREFER_SEED;
129
0
        else
130
0
            flags_clr |= ML_DSA_KEY_PREFER_SEED;
131
132
1.62k
        ossl_ml_dsa_set_prekey(key, flags_set, flags_clr, NULL, 0, NULL, 0);
133
1.62k
    }
134
1.62k
    return key;
135
1.62k
}
136
137
static void ml_dsa_free_key(void *keydata)
138
1.68k
{
139
1.68k
    ossl_ml_dsa_key_free((ML_DSA_KEY *)keydata);
140
1.68k
}
141
142
static void *ml_dsa_dup_key(const void *keydata_from, int selection)
143
55
{
144
55
    if (ossl_prov_is_running())
145
55
        return ossl_ml_dsa_key_dup(keydata_from, selection);
146
0
    return NULL;
147
55
}
148
149
static int ml_dsa_has(const void *keydata, int selection)
150
439
{
151
439
    const ML_DSA_KEY *key = keydata;
152
153
439
    if (!ossl_prov_is_running() || key == NULL)
154
0
        return 0;
155
439
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
156
57
        return 1; /* the selection is not missing */
157
158
382
    return ossl_ml_dsa_key_has(key, selection);
159
439
}
160
161
static int ml_dsa_match(const void *keydata1, const void *keydata2, int selection)
162
95
{
163
95
    const ML_DSA_KEY *key1 = keydata1;
164
95
    const ML_DSA_KEY *key2 = keydata2;
165
166
95
    if (!ossl_prov_is_running())
167
0
        return 0;
168
95
    if (key1 == NULL || key2 == NULL)
169
0
        return 0;
170
95
    return ossl_ml_dsa_key_equal(key1, key2, selection);
171
95
}
172
173
static int ml_dsa_validate(const void *key_data, int selection, int check_type)
174
110
{
175
110
    const ML_DSA_KEY *key = key_data;
176
177
110
    if (!ml_dsa_has(key, selection))
178
0
        return 0;
179
180
110
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
181
0
        return ossl_ml_dsa_key_pairwise_check(key);
182
110
    return 1;
183
110
}
184
185
/**
186
 * @brief Load a ML_DSA key from raw data.
187
 *
188
 * @param key An ML_DSA key to load into
189
 * @param params An array of parameters containing key data.
190
 * @param include_private Set to 1 to optionally include the private key data
191
 *                        if it exists.
192
 * @returns 1 on success, or 0 on failure.
193
 */
194
static int ml_dsa_key_fromdata(ML_DSA_KEY *key, const OSSL_PARAM params[],
195
    int include_private)
196
42
{
197
42
    const OSSL_PARAM *p = NULL;
198
42
    const ML_DSA_PARAMS *key_params = ossl_ml_dsa_key_params(key);
199
42
    const uint8_t *pk = NULL, *sk = NULL, *seed = NULL;
200
42
    size_t pk_len = 0, sk_len = 0, seed_len = 0;
201
202
42
    p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY);
203
42
    if (p != NULL
204
17
        && !OSSL_PARAM_get_octet_string_ptr(p, (const void **)&pk, &pk_len))
205
0
        return 0;
206
42
    if (pk != NULL && pk_len != key_params->pk_len) {
207
14
        ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH,
208
14
            "Invalid %s public key length", key_params->alg);
209
14
        return 0;
210
14
    }
211
212
    /* Private key is optional */
213
28
    if (include_private) {
214
28
        p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_ML_DSA_SEED);
215
28
        if (p != NULL
216
0
            && !OSSL_PARAM_get_octet_string_ptr(p, (const void **)&seed,
217
0
                &seed_len))
218
0
            return 0;
219
28
        if (seed != NULL && seed_len != ML_DSA_SEED_BYTES) {
220
0
            ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_SEED_LENGTH);
221
0
            return 0;
222
0
        }
223
28
        p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY);
224
28
        if (p != NULL
225
25
            && !OSSL_PARAM_get_octet_string_ptr(p, (const void **)&sk, &sk_len))
226
0
            return 0;
227
28
        if (sk != NULL && sk_len != key_params->sk_len) {
228
2
            ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH,
229
2
                "Invalid %s private key length", key_params->alg);
230
2
            return 0;
231
2
        }
232
28
    }
233
234
    /* The caller MUST specify at least one of seed, private or public keys. */
235
26
    if (seed_len == 0 && pk_len == 0 && sk_len == 0) {
236
0
        ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_KEY);
237
0
        return 0;
238
0
    }
239
240
26
    if (seed_len != 0
241
0
        && (sk_len == 0
242
0
            || (ossl_ml_dsa_key_get_prov_flags(key) & ML_DSA_KEY_PREFER_SEED))) {
243
0
        if (!ossl_ml_dsa_set_prekey(key, 0, 0, seed, seed_len, sk, sk_len))
244
0
            return 0;
245
0
        if (!ossl_ml_dsa_generate_key(key)) {
246
0
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GENERATE_KEY);
247
0
            return 0;
248
0
        }
249
26
    } else if (sk_len > 0) {
250
23
        if (!ossl_ml_dsa_sk_decode(key, sk, sk_len))
251
23
            return 0;
252
23
    } else if (pk_len > 0) {
253
3
        if (!ossl_ml_dsa_pk_decode(key, pk, pk_len))
254
0
            return 0;
255
3
    }
256
257
    /* Error if the supplied public key does not match the generated key */
258
3
    if (pk_len == 0
259
3
        || seed_len + sk_len == 0
260
0
        || memcmp(ossl_ml_dsa_key_get_pub(key), pk, pk_len) == 0)
261
3
        return 1;
262
0
    ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY,
263
0
        "explicit %s public key does not match private",
264
0
        key_params->alg);
265
0
    ossl_ml_dsa_key_reset(key);
266
0
    return 0;
267
3
}
268
269
static int ml_dsa_import(void *keydata, int selection, const OSSL_PARAM params[])
270
110
{
271
110
    ML_DSA_KEY *key = keydata;
272
110
    int include_priv;
273
110
    int res;
274
275
110
    if (!ossl_prov_is_running() || key == NULL)
276
0
        return 0;
277
278
110
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
279
0
        return 0;
280
281
110
    include_priv = ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0);
282
110
    res = ml_dsa_key_fromdata(key, params, include_priv);
283
#ifdef FIPS_MODULE
284
    if (res > 0) {
285
        res = ml_dsa_pairwise_test(key);
286
        if (!res) {
287
            ossl_ml_dsa_key_reset(key);
288
            ossl_set_error_state(OSSL_SELF_TEST_TYPE_PCT_IMPORT);
289
        }
290
    }
291
#endif /* FIPS_MODULE */
292
110
    return res;
293
110
}
294
295
#define ML_DSA_IMEXPORTABLE_PARAMETERS                             \
296
    OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ML_DSA_SEED, NULL, 0), \
297
        OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PUB_KEY, NULL, 0), \
298
        OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0)
299
300
static const OSSL_PARAM ml_dsa_key_types[] = {
301
    ML_DSA_IMEXPORTABLE_PARAMETERS,
302
    OSSL_PARAM_END
303
};
304
static const OSSL_PARAM *ml_dsa_imexport_types(int selection)
305
0
{
306
0
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
307
0
        return NULL;
308
0
    return ml_dsa_key_types;
309
0
}
310
311
static const OSSL_PARAM ml_dsa_params[] = {
312
    OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
313
    OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
314
    OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
315
    OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_MANDATORY_DIGEST, NULL, 0),
316
    ML_DSA_IMEXPORTABLE_PARAMETERS,
317
    OSSL_PARAM_END
318
};
319
static const OSSL_PARAM *ml_dsa_gettable_params(void *provctx)
320
0
{
321
0
    return ml_dsa_params;
322
0
}
323
324
static int ml_dsa_get_params(void *keydata, OSSL_PARAM params[])
325
624
{
326
624
    ML_DSA_KEY *key = keydata;
327
624
    OSSL_PARAM *p;
328
624
    const uint8_t *pub, *priv, *seed;
329
330
624
    if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
331
478
        && !OSSL_PARAM_set_int(p, 8 * ossl_ml_dsa_key_get_pub_len(key)))
332
0
        return 0;
333
624
    if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_SECURITY_BITS)) != NULL
334
478
        && !OSSL_PARAM_set_int(p, ossl_ml_dsa_key_get_collision_strength_bits(key)))
335
0
        return 0;
336
624
    if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MAX_SIZE)) != NULL
337
478
        && !OSSL_PARAM_set_int(p, ossl_ml_dsa_key_get_sig_len(key)))
338
0
        return 0;
339
340
624
    pub = ossl_ml_dsa_key_get_pub(key);
341
624
    priv = ossl_ml_dsa_key_get_priv(key);
342
624
    seed = ossl_ml_dsa_key_get_seed(key);
343
344
624
    if (seed != NULL
345
607
        && (p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_ML_DSA_SEED)) != NULL
346
0
        && !OSSL_PARAM_set_octet_string(p, seed, ML_DSA_SEED_BYTES))
347
0
        return 0;
348
624
    if (priv != NULL
349
607
        && (p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_PRIV_KEY)) != NULL
350
0
        && !OSSL_PARAM_set_octet_string(p, priv,
351
0
            ossl_ml_dsa_key_get_priv_len(key)))
352
0
        return 0;
353
624
    if (pub != NULL
354
624
        && (p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_PUB_KEY)) != NULL
355
0
        && !OSSL_PARAM_set_octet_string(p, pub,
356
0
            ossl_ml_dsa_key_get_pub_len(key)))
357
0
        return 0;
358
    /*
359
     * This allows apps to use an empty digest, so that the old API
360
     * for digest signing can be used.
361
     */
362
624
    p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MANDATORY_DIGEST);
363
624
    if (p != NULL && !OSSL_PARAM_set_utf8_string(p, ""))
364
0
        return 0;
365
366
624
    return 1;
367
624
}
368
369
static int ml_dsa_export(void *keydata, int selection,
370
    OSSL_CALLBACK *param_cb, void *cbarg)
371
12
{
372
12
    ML_DSA_KEY *key = keydata;
373
12
    OSSL_PARAM params[4];
374
12
    const uint8_t *buf;
375
12
    int include_private, pnum = 0;
376
377
12
    if (!ossl_prov_is_running() || key == NULL)
378
0
        return 0;
379
380
12
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
381
0
        return 0;
382
383
12
    include_private = ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0);
384
385
    /*
386
     * Note that if the seed is present, both the seed and the private key are
387
     * exported.  The recipient will have a choice.
388
     */
389
12
    if (include_private) {
390
12
        if ((buf = ossl_ml_dsa_key_get_seed(key)) != NULL) {
391
12
            params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_ML_DSA_SEED, (void *)buf, ML_DSA_SEED_BYTES);
392
12
        }
393
12
        if ((buf = ossl_ml_dsa_key_get_priv(key)) != NULL) {
394
12
            params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, (void *)buf,
395
12
                ossl_ml_dsa_key_get_priv_len(key));
396
12
        }
397
12
    }
398
12
    if (((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
399
12
        && ((buf = ossl_ml_dsa_key_get_pub(key)) != NULL)) {
400
12
        params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PUB_KEY, (void *)buf,
401
12
            ossl_ml_dsa_key_get_pub_len(key));
402
12
    }
403
12
    if (pnum == 0)
404
0
        return 0;
405
12
    params[pnum] = OSSL_PARAM_construct_end();
406
12
    return param_cb(params, cbarg);
407
12
}
408
409
#ifndef FIPS_MODULE
410
static void *ml_dsa_load(const void *reference, size_t reference_sz)
411
198
{
412
198
    ML_DSA_KEY *key = NULL;
413
198
    const ML_DSA_PARAMS *key_params;
414
198
    const uint8_t *sk, *seed;
415
416
198
    if (ossl_prov_is_running() && reference_sz == sizeof(key)) {
417
        /* The contents of the reference is the address to our object */
418
198
        key = *(ML_DSA_KEY **)reference;
419
        /* We grabbed, so we detach it */
420
198
        *(ML_DSA_KEY **)reference = NULL;
421
        /* All done, if the pubkey is present. */
422
198
        if (key == NULL || ossl_ml_dsa_key_get_pub(key) != NULL)
423
22
            return key;
424
        /* Handle private prekey inputs. */
425
176
        sk = ossl_ml_dsa_key_get_priv(key);
426
176
        seed = ossl_ml_dsa_key_get_seed(key);
427
176
        if (seed != NULL
428
161
            && (sk == NULL || (ossl_ml_dsa_key_get_prov_flags(key) & ML_DSA_KEY_PREFER_SEED))) {
429
161
            if (ossl_ml_dsa_generate_key(key))
430
161
                return key;
431
161
        } else if (sk != NULL) {
432
15
            if (ossl_ml_dsa_sk_decode(key, sk,
433
15
                    ossl_ml_dsa_key_get_priv_len(key)))
434
0
                return key;
435
15
            key_params = ossl_ml_dsa_key_params(key);
436
15
            ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY,
437
15
                "error parsing %s private key",
438
15
                key_params->alg);
439
15
        } else {
440
0
            return key;
441
0
        }
442
176
    }
443
444
15
    ossl_ml_dsa_key_free(key);
445
15
    return NULL;
446
198
}
447
#endif
448
449
static void *ml_dsa_gen_init(void *provctx, int selection,
450
    const OSSL_PARAM params[])
451
1.33k
{
452
1.33k
    struct ml_dsa_gen_ctx *gctx = NULL;
453
454
1.33k
    if (!ossl_prov_is_running())
455
0
        return NULL;
456
457
1.33k
    if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
458
1.33k
        gctx->provctx = provctx;
459
1.33k
        if (!ml_dsa_gen_set_params(gctx, params)) {
460
0
            OPENSSL_free(gctx);
461
0
            gctx = NULL;
462
0
        }
463
1.33k
    }
464
1.33k
    return gctx;
465
1.33k
}
466
467
static void *ml_dsa_gen(void *genctx, int evp_type)
468
1.33k
{
469
1.33k
    struct ml_dsa_gen_ctx *gctx = genctx;
470
1.33k
    ML_DSA_KEY *key = NULL;
471
472
1.33k
    if (!ossl_prov_is_running())
473
0
        return NULL;
474
1.33k
    key = ossl_prov_ml_dsa_new(gctx->provctx, gctx->propq, evp_type);
475
1.33k
    if (key == NULL)
476
0
        return NULL;
477
1.33k
    if (gctx->entropy_len != 0
478
0
        && !ossl_ml_dsa_set_prekey(key, 0, 0,
479
0
            gctx->entropy, gctx->entropy_len, NULL, 0))
480
0
        goto err;
481
1.33k
    if (!ossl_ml_dsa_generate_key(key)) {
482
0
        ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GENERATE_KEY);
483
0
        goto err;
484
0
    }
485
#ifdef FIPS_MODULE
486
    if (!ml_dsa_pairwise_test(key)) {
487
        ossl_set_error_state(OSSL_SELF_TEST_TYPE_PCT);
488
        goto err;
489
    }
490
#endif
491
1.33k
    return key;
492
0
err:
493
0
    ossl_ml_dsa_key_free(key);
494
0
    return NULL;
495
1.33k
}
496
497
static int ml_dsa_gen_set_params(void *genctx, const OSSL_PARAM params[])
498
406
{
499
406
    struct ml_dsa_gen_ctx *gctx = genctx;
500
406
    const OSSL_PARAM *p;
501
502
406
    if (gctx == NULL)
503
0
        return 0;
504
505
406
    p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_ML_DSA_SEED);
506
406
    if (p != NULL) {
507
0
        void *vp = gctx->entropy;
508
0
        size_t len = sizeof(gctx->entropy);
509
510
0
        if (!OSSL_PARAM_get_octet_string(p, &vp, len, &(gctx->entropy_len))) {
511
0
            gctx->entropy_len = 0;
512
0
            return 0;
513
0
        }
514
0
    }
515
516
406
    p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PROPERTIES);
517
406
    if (p != NULL) {
518
0
        OPENSSL_free(gctx->propq);
519
0
        gctx->propq = NULL;
520
0
        if (!OSSL_PARAM_get_utf8_string(p, &gctx->propq, 0))
521
0
            return 0;
522
0
    }
523
406
    return 1;
524
406
}
525
526
static const OSSL_PARAM *ml_dsa_gen_settable_params(ossl_unused void *genctx,
527
    ossl_unused void *provctx)
528
0
{
529
0
    static OSSL_PARAM settable[] = {
530
0
        OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, NULL, 0),
531
0
        OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ML_DSA_SEED, NULL, 0),
532
0
        OSSL_PARAM_END
533
0
    };
534
0
    return settable;
535
0
}
536
537
static void ml_dsa_gen_cleanup(void *genctx)
538
1.33k
{
539
1.33k
    struct ml_dsa_gen_ctx *gctx = genctx;
540
541
1.33k
    if (gctx == NULL)
542
0
        return;
543
544
1.33k
    OPENSSL_cleanse(gctx->entropy, gctx->entropy_len);
545
1.33k
    OPENSSL_free(gctx->propq);
546
1.33k
    OPENSSL_free(gctx);
547
1.33k
}
548
549
#ifndef FIPS_MODULE
550
#define DISPATCH_LOAD_FN \
551
    { OSSL_FUNC_KEYMGMT_LOAD, (OSSL_FUNC)ml_dsa_load },
552
#else
553
#define DISPATCH_LOAD_FN /* Non-FIPS only */
554
#endif
555
556
#define MAKE_KEYMGMT_FUNCTIONS(alg)                                                           \
557
    static OSSL_FUNC_keymgmt_new_fn ml_dsa_##alg##_new_key;                                   \
558
    static OSSL_FUNC_keymgmt_gen_fn ml_dsa_##alg##_gen;                                       \
559
    static void *ml_dsa_##alg##_new_key(void *provctx)                                        \
560
110
    {                                                                                         \
561
110
        return ossl_prov_ml_dsa_new(provctx, NULL, EVP_PKEY_ML_DSA_##alg);                    \
562
110
    }                                                                                         \
563
    static void *ml_dsa_##alg##_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)         \
564
1.33k
    {                                                                                         \
565
1.33k
        return ml_dsa_gen(genctx, EVP_PKEY_ML_DSA_##alg);                                     \
566
1.33k
    }                                                                                         \
ml_dsa_kmgmt.c:ml_dsa_44_gen
Line
Count
Source
564
526
    {                                                                                         \
565
526
        return ml_dsa_gen(genctx, EVP_PKEY_ML_DSA_##alg);                                     \
566
526
    }                                                                                         \
ml_dsa_kmgmt.c:ml_dsa_65_gen
Line
Count
Source
564
430
    {                                                                                         \
565
430
        return ml_dsa_gen(genctx, EVP_PKEY_ML_DSA_##alg);                                     \
566
430
    }                                                                                         \
ml_dsa_kmgmt.c:ml_dsa_87_gen
Line
Count
Source
564
378
    {                                                                                         \
565
378
        return ml_dsa_gen(genctx, EVP_PKEY_ML_DSA_##alg);                                     \
566
378
    }                                                                                         \
567
    const OSSL_DISPATCH ossl_ml_dsa_##alg##_keymgmt_functions[] = {                           \
568
        { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))ml_dsa_##alg##_new_key },                    \
569
        { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ml_dsa_free_key },                          \
570
        { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ml_dsa_has },                                \
571
        { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ml_dsa_match },                            \
572
        { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))ml_dsa_import },                          \
573
        { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ml_dsa_imexport_types },            \
574
        { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ml_dsa_export },                          \
575
        { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ml_dsa_imexport_types },            \
576
        DISPATCH_LOAD_FN { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*)(void))ml_dsa_get_params }, \
577
        { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*)(void))ml_dsa_gettable_params },        \
578
        { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))ml_dsa_validate },                      \
579
        { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))ml_dsa_gen_init },                      \
580
        { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))ml_dsa_##alg##_gen },                        \
581
        { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ml_dsa_gen_cleanup },                \
582
        { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS,                                                   \
583
            (void (*)(void))ml_dsa_gen_set_params },                                          \
584
        { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,                                              \
585
            (void (*)(void))ml_dsa_gen_settable_params },                                     \
586
        { OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ml_dsa_dup_key },                            \
587
        OSSL_DISPATCH_END                                                                     \
588
    }
589
590
25
MAKE_KEYMGMT_FUNCTIONS(44);
591
35
MAKE_KEYMGMT_FUNCTIONS(65);
592
MAKE_KEYMGMT_FUNCTIONS(87);