/src/openssl/providers/implementations/keymgmt/ml_dsa_kmgmt.c

Source
/*
 * Copyright 2024-2026 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <openssl/core_dispatch.h>
#include <openssl/core_names.h>
#include <openssl/evp.h>
#include <openssl/param_build.h>
#include <openssl/proverr.h>
#include <openssl/self_test.h>
#include "crypto/ml_dsa.h"
#include "internal/fips.h"
#include "internal/param_build_set.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
#include "prov/provider_ctx.h"
#include "prov/ml_dsa.h"

#define ml_dsa_export_params
#define ml_dsa_export_params_decoder
#include "providers/implementations/keymgmt/ml_dsa_kmgmt.inc"

static OSSL_FUNC_keymgmt_free_fn ml_dsa_free_key;
static OSSL_FUNC_keymgmt_has_fn ml_dsa_has;
static OSSL_FUNC_keymgmt_match_fn ml_dsa_match;
static OSSL_FUNC_keymgmt_import_fn ml_dsa_import;
static OSSL_FUNC_keymgmt_export_fn ml_dsa_export;
static OSSL_FUNC_keymgmt_import_types_fn ml_dsa_import_types;
static OSSL_FUNC_keymgmt_export_types_fn ml_dsa_export_types;
static OSSL_FUNC_keymgmt_dup_fn ml_dsa_dup_key;
static OSSL_FUNC_keymgmt_gettable_params_fn ml_dsa_gettable_params;
static OSSL_FUNC_keymgmt_validate_fn ml_dsa_validate;
static OSSL_FUNC_keymgmt_gen_init_fn ml_dsa_gen_init;
static OSSL_FUNC_keymgmt_gen_cleanup_fn ml_dsa_gen_cleanup;
static OSSL_FUNC_keymgmt_gen_set_params_fn ml_dsa_gen_set_params;
static OSSL_FUNC_keymgmt_gen_settable_params_fn ml_dsa_gen_settable_params;
#ifndef FIPS_MODULE
static OSSL_FUNC_keymgmt_load_fn ml_dsa_load;
#endif

struct ml_dsa_gen_ctx {
    PROV_CTX *provctx;
    char *propq;
    uint8_t entropy[32];
    size_t entropy_len;
};

#ifdef FIPS_MODULE
static int ml_dsa_pairwise_test(const ML_DSA_KEY *key)
{
    OSSL_SELF_TEST *st = NULL;
    OSSL_CALLBACK *cb = NULL;
    OSSL_LIB_CTX *ctx;
    void *cbarg = NULL;
    static const uint8_t msg[] = { 80, 108, 117, 103, 104 };
    uint8_t rnd[ML_DSA_ENTROPY_LEN];
    uint8_t sig[ML_DSA_87_SIG_LEN];
    size_t sig_len = 0;
    int ret = 0;

    if (!ml_dsa_has(key, OSSL_KEYMGMT_SELECT_KEYPAIR)
        || ossl_fips_self_testing()
        || ossl_self_test_in_progress(ST_ID_ASYM_KEYGEN_ML_DSA))
        return 1;

    /*
     * The functions `OSSL_SELF_TEST_*` will return directly if parameter `st`
     * is NULL.
     */
    ctx = ossl_ml_dsa_key_get0_libctx(key);
    OSSL_SELF_TEST_get_callback(ctx, &cb, &cbarg);

    if ((st = OSSL_SELF_TEST_new(cb, cbarg)) == NULL)
        return 0;

    OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_PCT,
        OSSL_SELF_TEST_DESC_PCT_ML_DSA);

    memset(rnd, 0, sizeof(rnd));
    memset(sig, 0, sizeof(sig));

    if (ossl_ml_dsa_sign(key, 0, msg, sizeof(msg), NULL, 0, rnd, sizeof(rnd), 0,
            sig, &sig_len, sizeof(sig))
        <= 0)
        goto err;

    OSSL_SELF_TEST_oncorrupt_byte(st, sig);

    if (ossl_ml_dsa_verify(key, 0, msg, sizeof(msg), NULL, 0, 0,
            sig, sig_len)
        <= 0)
        goto err;

    ret = 1;
err:
    OSSL_SELF_TEST_onend(st, ret);
    OSSL_SELF_TEST_free(st);
    return ret;
}
#endif

ML_DSA_KEY *ossl_prov_ml_dsa_new(PROV_CTX *ctx, const char *propq, int evp_type)
{
    ML_DSA_KEY *key;

    if (!ossl_prov_is_running())
        return 0;

#ifdef FIPS_MODULE
    if (!ossl_deferred_self_test(PROV_LIBCTX_OF(ctx),
            ST_ID_ASYM_KEYGEN_ML_DSA))
        return NULL;
#endif

    key = ossl_ml_dsa_key_new(PROV_LIBCTX_OF(ctx), propq, evp_type);
    /*
     * When decoding, if the key ends up "loaded" into the same provider, these
     * are the correct config settings, otherwise, new values will be assigned
     * on import into a different provider.  The "load" API does not pass along
     * the provider context.
     */
    if (key != NULL) {
        int flags_set = 0, flags_clr = 0;

        if (ossl_prov_ctx_get_bool_param(
                ctx, OSSL_PKEY_PARAM_ML_DSA_RETAIN_SEED, 1))
            flags_set |= ML_DSA_KEY_RETAIN_SEED;
        else
            flags_clr = ML_DSA_KEY_RETAIN_SEED;

        if (ossl_prov_ctx_get_bool_param(
                ctx, OSSL_PKEY_PARAM_ML_DSA_PREFER_SEED, 1))
            flags_set |= ML_DSA_KEY_PREFER_SEED;
        else
            flags_clr |= ML_DSA_KEY_PREFER_SEED;

        ossl_ml_dsa_set_prekey(key, flags_set, flags_clr, NULL, 0, NULL, 0);
    }
    return key;
}

static void ml_dsa_free_key(void *keydata)
{
    ossl_ml_dsa_key_free((ML_DSA_KEY *)keydata);
}

static void *ml_dsa_dup_key(const void *keydata_from, int selection)
{
    if (ossl_prov_is_running())
        return ossl_ml_dsa_key_dup(keydata_from, selection);
    return NULL;
}

static int ml_dsa_has(const void *keydata, int selection)
{
    const ML_DSA_KEY *key = keydata;

    if (!ossl_prov_is_running() || key == NULL)
        return 0;
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
        return 1; /* the selection is not missing */

    return ossl_ml_dsa_key_has(key, selection);
}

static int ml_dsa_match(const void *keydata1, const void *keydata2, int selection)
{
    const ML_DSA_KEY *key1 = keydata1;
    const ML_DSA_KEY *key2 = keydata2;

    if (!ossl_prov_is_running())
        return 0;
    if (key1 == NULL || key2 == NULL)
        return 0;
    return ossl_ml_dsa_key_equal(key1, key2, selection);
}

static int ml_dsa_validate(const void *key_data, int selection, int check_type)
{
    const ML_DSA_KEY *key = key_data;

    if (!ml_dsa_has(key, selection))
        return 0;

    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
        return ossl_ml_dsa_key_pairwise_check(key);
    return 1;
}

/**
 * @brief Load a ML_DSA key from raw data.
 *
 * @param key An ML_DSA key to load into
 * @param params An array of parameters containing key data.
 * @param include_private Set to 1 to optionally include the private key data
 *                        if it exists.
 * @returns 1 on success, or 0 on failure.
 */
static int ml_dsa_key_fromdata(ML_DSA_KEY *key, const OSSL_PARAM params[],
    int include_private)
{
    const ML_DSA_PARAMS *key_params = ossl_ml_dsa_key_params(key);
    const uint8_t *pk = NULL, *sk = NULL, *seed = NULL;
    size_t pk_len = 0, sk_len = 0, seed_len = 0;
    struct ml_dsa_import_params_st p;

    if (!ml_dsa_import_params_decoder(params, &p))
        return 0;

    if (p.pubkey != NULL) {
        if (!OSSL_PARAM_get_octet_string_ptr(p.pubkey, (const void **)&pk, &pk_len))
            return 0;
        if (pk_len != 0 && pk_len != key_params->pk_len) {
            ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH,
                "Invalid %s public key length", key_params->alg);
            return 0;
        }
    }

    /* Private key seed is optional */
    if (p.seed != NULL && include_private) {
        if (!OSSL_PARAM_get_octet_string_ptr(p.seed, (const void **)&seed,
                &seed_len))
            return 0;
        if (seed_len != 0 && seed_len != ML_DSA_SEED_BYTES) {
            ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_SEED_LENGTH);
            return 0;
        }
    }

    /* Private key is optional */
    if (p.privkey != NULL && include_private) {
        if (!OSSL_PARAM_get_octet_string_ptr(p.privkey, (const void **)&sk,
                &sk_len))
            return 0;
        if (sk_len != 0 && sk_len != key_params->sk_len) {
            ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH,
                "Invalid %s private key length",
                key_params->alg);
            return 0;
        }
    }

    /* The caller MUST specify at least one of seed, private or public keys. */
    if (seed_len == 0 && pk_len == 0 && sk_len == 0) {
        ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_KEY);
        return 0;
    }

    if (p.propq != NULL) {
        if (p.propq->data_type != OSSL_PARAM_UTF8_STRING)
            return 0;
        if (!ossl_ml_dsa_key_fetch_digests(key, p.propq->data))
            return 0;
    }
    if (seed_len != 0
        && (sk_len == 0
            || (ossl_ml_dsa_key_get_prov_flags(key) & ML_DSA_KEY_PREFER_SEED))) {
        if (!ossl_ml_dsa_set_prekey(key, 0, 0, seed, seed_len, sk, sk_len))
            return 0;
        if (!ossl_ml_dsa_generate_key(key)) {
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GENERATE_KEY);
            return 0;
        }
    } else if (sk_len > 0) {
        if (!ossl_ml_dsa_sk_decode(key, sk, sk_len))
            return 0;
    } else if (pk_len > 0) {
        if (!ossl_ml_dsa_pk_decode(key, pk, pk_len))
            return 0;
    }

    /* Error if the supplied public key does not match the generated key */
    if (pk_len == 0
        || seed_len + sk_len == 0
        || memcmp(ossl_ml_dsa_key_get_pub(key), pk, pk_len) == 0)
        return 1;
    ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY,
        "explicit %s public key does not match private",
        key_params->alg);
    ossl_ml_dsa_key_reset(key);
    return 0;
}

static int ml_dsa_import(void *keydata, int selection, const OSSL_PARAM params[])
{
    ML_DSA_KEY *key = keydata;
    int include_priv;
    int res;

    /*
     * Once a key is fully initialised (has at least a public component),
     * further mutation is no longer safe and disallowed.
     */
    if (!ossl_prov_is_running() || key == NULL)
        return 0;
    if (ossl_ml_dsa_key_has(key, OSSL_KEYMGMT_SELECT_PUBLIC_KEY)) {
        /* Invalid attempt to mutate a key. */
        ERR_raise_data(ERR_LIB_PROV, PROV_R_KEY_IMMUTABLE_ONCE_SET,
            "Keys are immutable once key material has been loaded or generated");
        return 0;
    }

    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
        return 0;

    include_priv = ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0);
    res = ml_dsa_key_fromdata(key, params, include_priv);
#ifdef FIPS_MODULE
    if (res > 0) {
        res = ml_dsa_pairwise_test(key);
        if (!res)
            ossl_ml_dsa_key_reset(key);
    }
#endif /* FIPS_MODULE */
    return res;
}

static const OSSL_PARAM *ml_dsa_import_types(int selection)
{
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
        return NULL;
    return ml_dsa_import_params_list;
}

static const OSSL_PARAM *ml_dsa_export_types(int selection)
{
    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
        return NULL;
    return ml_dsa_export_params_list;
}

static const OSSL_PARAM *ml_dsa_gettable_params(void *provctx)
{
    return ml_dsa_get_params_list;
}

static int ml_dsa_get_params(void *keydata, OSSL_PARAM params[])
{
    ML_DSA_KEY *key = keydata;
    const uint8_t *d;
    size_t len;
    struct ml_dsa_get_params_st p;

    if (key == NULL || !ml_dsa_get_params_decoder(params, &p))
        return 0;

    if (p.bits != NULL
        && !OSSL_PARAM_set_size_t(p.bits, 8 * ossl_ml_dsa_key_get_pub_len(key)))
        return 0;

    if (p.secbits != NULL
        && !OSSL_PARAM_set_size_t(p.secbits, ossl_ml_dsa_key_get_collision_strength_bits(key)))
        return 0;

    if (p.maxsize != NULL
        && !OSSL_PARAM_set_size_t(p.maxsize, ossl_ml_dsa_key_get_sig_len(key)))
        return 0;

    if (p.seccat != NULL
        && !OSSL_PARAM_set_int(p.seccat, ossl_ml_dsa_key_get_security_category(key)))
        return 0;

    if (p.seed != NULL) {
        d = ossl_ml_dsa_key_get_seed(key);
        if (d != NULL && !OSSL_PARAM_set_octet_string(p.seed, d, ML_DSA_SEED_BYTES))
            return 0;
    }

    if (p.privkey != NULL) {
        d = ossl_ml_dsa_key_get_priv(key);
        if (d != NULL) {
            len = ossl_ml_dsa_key_get_priv_len(key);
            if (!OSSL_PARAM_set_octet_string(p.privkey, d, len))
                return 0;
        }
    }

    if (p.pubkey != NULL) {
        d = ossl_ml_dsa_key_get_pub(key);
        if (d != NULL) {
            len = ossl_ml_dsa_key_get_pub_len(key);
            if (!OSSL_PARAM_set_octet_string(p.pubkey, d, len))
                return 0;
        }
    }

    /*
     * This allows apps to use an empty digest, so that the old API
     * for digest signing can be used.
     */
    if (p.dgstp != NULL && !OSSL_PARAM_set_utf8_string(p.dgstp, ""))
        return 0;
    return 1;
}

static int ml_dsa_export(void *keydata, int selection,
    OSSL_CALLBACK *param_cb, void *cbarg)
{
    ML_DSA_KEY *key = keydata;
    OSSL_PARAM params[4];
    const uint8_t *buf;
    int include_private, pnum = 0;

    if (!ossl_prov_is_running() || key == NULL)
        return 0;

    if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
        return 0;

    include_private = ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0);

    /*
     * Note that if the seed is present, both the seed and the private key are
     * exported.  The recipient will have a choice.
     */
    if (include_private) {
        if ((buf = ossl_ml_dsa_key_get_seed(key)) != NULL) {
            params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_ML_DSA_SEED, (void *)buf, ML_DSA_SEED_BYTES);
        }
        if ((buf = ossl_ml_dsa_key_get_priv(key)) != NULL) {
            params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, (void *)buf,
                ossl_ml_dsa_key_get_priv_len(key));
        }
    }
    if (((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
        && ((buf = ossl_ml_dsa_key_get_pub(key)) != NULL)) {
        params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PUB_KEY, (void *)buf,
            ossl_ml_dsa_key_get_pub_len(key));
    }
    if (pnum == 0)
        return 0;
    params[pnum] = OSSL_PARAM_construct_end();
    return param_cb(params, cbarg);
}

#ifndef FIPS_MODULE
static void *ml_dsa_load(const void *reference, size_t reference_sz)
{
    ML_DSA_KEY *key = NULL;
    const ML_DSA_PARAMS *key_params;
    const uint8_t *sk, *seed;

    if (ossl_prov_is_running() && reference_sz == sizeof(key)) {
        /* The contents of the reference is the address to our object */
        key = *(ML_DSA_KEY **)reference;
        /* We grabbed, so we detach it */
        *(ML_DSA_KEY **)reference = NULL;
        /* All done, if the pubkey is present. */
        if (key == NULL || ossl_ml_dsa_key_get_pub(key) != NULL)
            return key;
        /* Handle private prekey inputs. */
        sk = ossl_ml_dsa_key_get_priv(key);
        seed = ossl_ml_dsa_key_get_seed(key);
        if (seed != NULL
            && (sk == NULL || (ossl_ml_dsa_key_get_prov_flags(key) & ML_DSA_KEY_PREFER_SEED))) {
            if (ossl_ml_dsa_generate_key(key))
                return key;
        } else if (sk != NULL) {
            if (ossl_ml_dsa_sk_decode(key, sk,
                    ossl_ml_dsa_key_get_priv_len(key)))
                return key;
            key_params = ossl_ml_dsa_key_params(key);
            ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY,
                "error parsing %s private key",
                key_params->alg);
        } else {
            return key;
        }
    }

    ossl_ml_dsa_key_free(key);
    return NULL;
}
#endif

static void *ml_dsa_gen_init(void *provctx, int selection,
    const OSSL_PARAM params[])
{
    struct ml_dsa_gen_ctx *gctx = NULL;

    if (!ossl_prov_is_running())
        return NULL;

    if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
        gctx->provctx = provctx;
        if (!ml_dsa_gen_set_params(gctx, params)) {
            OPENSSL_free(gctx);
            gctx = NULL;
        }
    }
    return gctx;
}

static void *ml_dsa_gen(void *genctx, int evp_type)
{
    struct ml_dsa_gen_ctx *gctx = genctx;
    ML_DSA_KEY *key = NULL;

    if (!ossl_prov_is_running())
        return NULL;
    key = ossl_prov_ml_dsa_new(gctx->provctx, gctx->propq, evp_type);
    if (key == NULL)
        return NULL;
    if (gctx->entropy_len != 0
        && !ossl_ml_dsa_set_prekey(key, 0, 0,
            gctx->entropy, gctx->entropy_len, NULL, 0))
        goto err;
    if (!ossl_ml_dsa_generate_key(key)) {
        ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GENERATE_KEY);
        goto err;
    }
#ifdef FIPS_MODULE
    if (!ml_dsa_pairwise_test(key))
        goto err;
#endif
    return key;
err:
    ossl_ml_dsa_key_free(key);
    return NULL;
}

static int ml_dsa_gen_set_params(void *genctx, const OSSL_PARAM params[])
{
    struct ml_dsa_gen_ctx *gctx = genctx;
    struct ml_dsa_gen_set_params_st p;

    if (gctx == NULL || !ml_dsa_gen_set_params_decoder(params, &p))
        return 0;

    if (p.seed != NULL) {
        void *vp = gctx->entropy;
        size_t len = sizeof(gctx->entropy);

        if (!OSSL_PARAM_get_octet_string(p.seed, &vp, len, &(gctx->entropy_len))) {
            gctx->entropy_len = 0;
            return 0;
        }
    }

    if (p.propq != NULL) {
        OPENSSL_free(gctx->propq);
        gctx->propq = NULL;
        if (!OSSL_PARAM_get_utf8_string(p.propq, &gctx->propq, 0))
            return 0;
    }
    return 1;
}

static const OSSL_PARAM *ml_dsa_gen_settable_params(ossl_unused void *genctx,
    ossl_unused void *provctx)
{
    return ml_dsa_gen_set_params_list;
}

static void ml_dsa_gen_cleanup(void *genctx)
{
    struct ml_dsa_gen_ctx *gctx = genctx;

    if (gctx == NULL)
        return;

    OPENSSL_cleanse(gctx->entropy, gctx->entropy_len);
    OPENSSL_free(gctx->propq);
    OPENSSL_free(gctx);
}

#ifndef FIPS_MODULE
#define DISPATCH_LOAD_FN \
    { OSSL_FUNC_KEYMGMT_LOAD, (OSSL_FUNC)ml_dsa_load },
#else
#define DISPATCH_LOAD_FN /* Non-FIPS only */
#endif

#define MAKE_KEYMGMT_FUNCTIONS(alg)                                                           \
    static OSSL_FUNC_keymgmt_new_fn ml_dsa_##alg##_new_key;                                   \
    static OSSL_FUNC_keymgmt_gen_fn ml_dsa_##alg##_gen;                                       \
    static void *ml_dsa_##alg##_new_key(void *provctx)                                        \
    {                                                                                         \
        return ossl_prov_ml_dsa_new(provctx, NULL, EVP_PKEY_ML_DSA_##alg);                    \
    }                                                                                         \
    static void *ml_dsa_##alg##_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)         \
    {                                                                                         \
        return ml_dsa_gen(genctx, EVP_PKEY_ML_DSA_##alg);                                     \
    }                                                                                         \
    const OSSL_DISPATCH ossl_ml_dsa_##alg##_keymgmt_functions[] = {                           \
        { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))ml_dsa_##alg##_new_key },                    \
        { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ml_dsa_free_key },                          \
        { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ml_dsa_has },                                \
        { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ml_dsa_match },                            \
        { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))ml_dsa_import },                          \
        { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ml_dsa_import_types },              \
        { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ml_dsa_export },                          \
        { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ml_dsa_export_types },              \
        DISPATCH_LOAD_FN { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*)(void))ml_dsa_get_params }, \
        { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*)(void))ml_dsa_gettable_params },        \
        { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))ml_dsa_validate },                      \
        { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))ml_dsa_gen_init },                      \
        { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))ml_dsa_##alg##_gen },                        \
        { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ml_dsa_gen_cleanup },                \
        { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS,                                                   \
            (void (*)(void))ml_dsa_gen_set_params },                                          \
        { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,                                              \
            (void (*)(void))ml_dsa_gen_settable_params },                                     \
        { OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ml_dsa_dup_key },                            \
        OSSL_DISPATCH_END                                                                     \
    }

MAKE_KEYMGMT_FUNCTIONS(44);
MAKE_KEYMGMT_FUNCTIONS(65);
MAKE_KEYMGMT_FUNCTIONS(87);

Coverage Report

Created: 2026-07-16 06:59

Line	Count	Source
1		/*
2		* Copyright 2024-2026 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		#define ml_dsa_export_params
25		#define ml_dsa_export_params_decoder
26		#include "providers/implementations/keymgmt/ml_dsa_kmgmt.inc"
27
28		static OSSL_FUNC_keymgmt_free_fn ml_dsa_free_key;
29		static OSSL_FUNC_keymgmt_has_fn ml_dsa_has;
30		static OSSL_FUNC_keymgmt_match_fn ml_dsa_match;
31		static OSSL_FUNC_keymgmt_import_fn ml_dsa_import;
32		static OSSL_FUNC_keymgmt_export_fn ml_dsa_export;
33		static OSSL_FUNC_keymgmt_import_types_fn ml_dsa_import_types;
34		static OSSL_FUNC_keymgmt_export_types_fn ml_dsa_export_types;
35		static OSSL_FUNC_keymgmt_dup_fn ml_dsa_dup_key;
36		static OSSL_FUNC_keymgmt_gettable_params_fn ml_dsa_gettable_params;
37		static OSSL_FUNC_keymgmt_validate_fn ml_dsa_validate;
38		static OSSL_FUNC_keymgmt_gen_init_fn ml_dsa_gen_init;
39		static OSSL_FUNC_keymgmt_gen_cleanup_fn ml_dsa_gen_cleanup;
40		static OSSL_FUNC_keymgmt_gen_set_params_fn ml_dsa_gen_set_params;
41		static OSSL_FUNC_keymgmt_gen_settable_params_fn ml_dsa_gen_settable_params;
42		#ifndef FIPS_MODULE
43		static OSSL_FUNC_keymgmt_load_fn ml_dsa_load;
44		#endif
45
46		struct ml_dsa_gen_ctx {
47		PROV_CTX *provctx;
48		char *propq;
49		uint8_t entropy[32];
50		size_t entropy_len;
51		};
52
53		#ifdef FIPS_MODULE
54		static int ml_dsa_pairwise_test(const ML_DSA_KEY *key)
55		{
56		OSSL_SELF_TEST *st = NULL;
57		OSSL_CALLBACK *cb = NULL;
58		OSSL_LIB_CTX *ctx;
59		void *cbarg = NULL;
60		static const uint8_t msg[] = { 80, 108, 117, 103, 104 };
61		uint8_t rnd[ML_DSA_ENTROPY_LEN];
62		uint8_t sig[ML_DSA_87_SIG_LEN];
63		size_t sig_len = 0;
64		int ret = 0;
65
66		if (!ml_dsa_has(key, OSSL_KEYMGMT_SELECT_KEYPAIR)
67		\|\| ossl_fips_self_testing()
68		\|\| ossl_self_test_in_progress(ST_ID_ASYM_KEYGEN_ML_DSA))
69		return 1;
70
71		/*
72		* The functions `OSSL_SELF_TEST_*` will return directly if parameter `st`
73		* is NULL.
74		*/
75		ctx = ossl_ml_dsa_key_get0_libctx(key);
76		OSSL_SELF_TEST_get_callback(ctx, &cb, &cbarg);
77
78		if ((st = OSSL_SELF_TEST_new(cb, cbarg)) == NULL)
79		return 0;
80
81		OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_PCT,
82		OSSL_SELF_TEST_DESC_PCT_ML_DSA);
83
84		memset(rnd, 0, sizeof(rnd));
85		memset(sig, 0, sizeof(sig));
86
87		if (ossl_ml_dsa_sign(key, 0, msg, sizeof(msg), NULL, 0, rnd, sizeof(rnd), 0,
88		sig, &sig_len, sizeof(sig))
89		<= 0)
90		goto err;
91
92		OSSL_SELF_TEST_oncorrupt_byte(st, sig);
93
94		if (ossl_ml_dsa_verify(key, 0, msg, sizeof(msg), NULL, 0, 0,
95		sig, sig_len)
96		<= 0)
97		goto err;
98
99		ret = 1;
100		err:
101		OSSL_SELF_TEST_onend(st, ret);
102		OSSL_SELF_TEST_free(st);
103		return ret;
104		}
105		#endif
106
107		ML_DSA_KEY ossl_prov_ml_dsa_new(PROV_CTX ctx, const char *propq, int evp_type)
108	0	{
109	0	ML_DSA_KEY *key;
110
111	0	if (!ossl_prov_is_running())
112	0	return 0;
113
114		#ifdef FIPS_MODULE
115		if (!ossl_deferred_self_test(PROV_LIBCTX_OF(ctx),
116		ST_ID_ASYM_KEYGEN_ML_DSA))
117		return NULL;
118		#endif
119
120	0	key = ossl_ml_dsa_key_new(PROV_LIBCTX_OF(ctx), propq, evp_type);
121		/*
122		* When decoding, if the key ends up "loaded" into the same provider, these
123		* are the correct config settings, otherwise, new values will be assigned
124		* on import into a different provider. The "load" API does not pass along
125		* the provider context.
126		*/
127	0	if (key != NULL) {
128	0	int flags_set = 0, flags_clr = 0;
129
130	0	if (ossl_prov_ctx_get_bool_param(
131	0	ctx, OSSL_PKEY_PARAM_ML_DSA_RETAIN_SEED, 1))
132	0	flags_set \|= ML_DSA_KEY_RETAIN_SEED;
133	0	else
134	0	flags_clr = ML_DSA_KEY_RETAIN_SEED;
135
136	0	if (ossl_prov_ctx_get_bool_param(
137	0	ctx, OSSL_PKEY_PARAM_ML_DSA_PREFER_SEED, 1))
138	0	flags_set \|= ML_DSA_KEY_PREFER_SEED;
139	0	else
140	0	flags_clr \|= ML_DSA_KEY_PREFER_SEED;
141
142	0	ossl_ml_dsa_set_prekey(key, flags_set, flags_clr, NULL, 0, NULL, 0);
143	0	}
144	0	return key;
145	0	}
146
147		static void ml_dsa_free_key(void *keydata)
148	0	{
149	0	ossl_ml_dsa_key_free((ML_DSA_KEY *)keydata);
150	0	}
151
152		static void ml_dsa_dup_key(const void keydata_from, int selection)
153	0	{
154	0	if (ossl_prov_is_running())
155	0	return ossl_ml_dsa_key_dup(keydata_from, selection);
156	0	return NULL;
157	0	}
158
159		static int ml_dsa_has(const void *keydata, int selection)
160	0	{
161	0	const ML_DSA_KEY *key = keydata;
162
163	0	if (!ossl_prov_is_running() \|\| key == NULL)
164	0	return 0;
165	0	if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
166	0	return 1; /* the selection is not missing */
167
168	0	return ossl_ml_dsa_key_has(key, selection);
169	0	}
170
171		static int ml_dsa_match(const void keydata1, const void keydata2, int selection)
172	0	{
173	0	const ML_DSA_KEY *key1 = keydata1;
174	0	const ML_DSA_KEY *key2 = keydata2;
175
176	0	if (!ossl_prov_is_running())
177	0	return 0;
178	0	if (key1 == NULL \|\| key2 == NULL)
179	0	return 0;
180	0	return ossl_ml_dsa_key_equal(key1, key2, selection);
181	0	}
182
183		static int ml_dsa_validate(const void *key_data, int selection, int check_type)
184	0	{
185	0	const ML_DSA_KEY *key = key_data;
186
187	0	if (!ml_dsa_has(key, selection))
188	0	return 0;
189
190	0	if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
191	0	return ossl_ml_dsa_key_pairwise_check(key);
192	0	return 1;
193	0	}
194
195		/**
196		* @brief Load a ML_DSA key from raw data.
197		*
198		* @param key An ML_DSA key to load into
199		* @param params An array of parameters containing key data.
200		* @param include_private Set to 1 to optionally include the private key data
201		* if it exists.
202		* @returns 1 on success, or 0 on failure.
203		*/
204		static int ml_dsa_key_fromdata(ML_DSA_KEY *key, const OSSL_PARAM params[],
205		int include_private)
206	0	{
207	0	const ML_DSA_PARAMS *key_params = ossl_ml_dsa_key_params(key);
208	0	const uint8_t pk = NULL, sk = NULL, *seed = NULL;
209	0	size_t pk_len = 0, sk_len = 0, seed_len = 0;
210	0	struct ml_dsa_import_params_st p;
211
212	0	if (!ml_dsa_import_params_decoder(params, &p))
213	0	return 0;
214
215	0	if (p.pubkey != NULL) {
216	0	if (!OSSL_PARAM_get_octet_string_ptr(p.pubkey, (const void **)&pk, &pk_len))
217	0	return 0;
218	0	if (pk_len != 0 && pk_len != key_params->pk_len) {
219	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH,
220	0	"Invalid %s public key length", key_params->alg);
221	0	return 0;
222	0	}
223	0	}
224
225		/* Private key seed is optional */
226	0	if (p.seed != NULL && include_private) {
227	0	if (!OSSL_PARAM_get_octet_string_ptr(p.seed, (const void **)&seed,
228	0	&seed_len))
229	0	return 0;
230	0	if (seed_len != 0 && seed_len != ML_DSA_SEED_BYTES) {
231	0	ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_SEED_LENGTH);
232	0	return 0;
233	0	}
234	0	}
235
236		/* Private key is optional */
237	0	if (p.privkey != NULL && include_private) {
238	0	if (!OSSL_PARAM_get_octet_string_ptr(p.privkey, (const void **)&sk,
239	0	&sk_len))
240	0	return 0;
241	0	if (sk_len != 0 && sk_len != key_params->sk_len) {
242	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH,
243	0	"Invalid %s private key length",
244	0	key_params->alg);
245	0	return 0;
246	0	}
247	0	}
248
249		/* The caller MUST specify at least one of seed, private or public keys. */
250	0	if (seed_len == 0 && pk_len == 0 && sk_len == 0) {
251	0	ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_KEY);
252	0	return 0;
253	0	}
254
255	0	if (p.propq != NULL) {
256	0	if (p.propq->data_type != OSSL_PARAM_UTF8_STRING)
257	0	return 0;
258	0	if (!ossl_ml_dsa_key_fetch_digests(key, p.propq->data))
259	0	return 0;
260	0	}
261	0	if (seed_len != 0
262	0	&& (sk_len == 0
263	0	\|\| (ossl_ml_dsa_key_get_prov_flags(key) & ML_DSA_KEY_PREFER_SEED))) {
264	0	if (!ossl_ml_dsa_set_prekey(key, 0, 0, seed, seed_len, sk, sk_len))
265	0	return 0;
266	0	if (!ossl_ml_dsa_generate_key(key)) {
267	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GENERATE_KEY);
268	0	return 0;
269	0	}
270	0	} else if (sk_len > 0) {
271	0	if (!ossl_ml_dsa_sk_decode(key, sk, sk_len))
272	0	return 0;
273	0	} else if (pk_len > 0) {
274	0	if (!ossl_ml_dsa_pk_decode(key, pk, pk_len))
275	0	return 0;
276	0	}
277
278		/* Error if the supplied public key does not match the generated key */
279	0	if (pk_len == 0
280	0	\|\| seed_len + sk_len == 0
281	0	\|\| memcmp(ossl_ml_dsa_key_get_pub(key), pk, pk_len) == 0)
282	0	return 1;
283	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY,
284	0	"explicit %s public key does not match private",
285	0	key_params->alg);
286	0	ossl_ml_dsa_key_reset(key);
287	0	return 0;
288	0	}
289
290		static int ml_dsa_import(void *keydata, int selection, const OSSL_PARAM params[])
291	0	{
292	0	ML_DSA_KEY *key = keydata;
293	0	int include_priv;
294	0	int res;
295
296		/*
297		* Once a key is fully initialised (has at least a public component),
298		* further mutation is no longer safe and disallowed.
299		*/
300	0	if (!ossl_prov_is_running() \|\| key == NULL)
301	0	return 0;
302	0	if (ossl_ml_dsa_key_has(key, OSSL_KEYMGMT_SELECT_PUBLIC_KEY)) {
303		/* Invalid attempt to mutate a key. */
304	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_KEY_IMMUTABLE_ONCE_SET,
305	0	"Keys are immutable once key material has been loaded or generated");
306	0	return 0;
307	0	}
308
309	0	if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
310	0	return 0;
311
312	0	include_priv = ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0);
313	0	res = ml_dsa_key_fromdata(key, params, include_priv);
314		#ifdef FIPS_MODULE
315		if (res > 0) {
316		res = ml_dsa_pairwise_test(key);
317		if (!res)
318		ossl_ml_dsa_key_reset(key);
319		}
320		#endif /* FIPS_MODULE */
321	0	return res;
322	0	}
323
324		static const OSSL_PARAM *ml_dsa_import_types(int selection)
325	0	{
326	0	if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
327	0	return NULL;
328	0	return ml_dsa_import_params_list;
329	0	}
330
331		static const OSSL_PARAM *ml_dsa_export_types(int selection)
332	0	{
333	0	if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
334	0	return NULL;
335	0	return ml_dsa_export_params_list;
336	0	}
337
338		static const OSSL_PARAM ml_dsa_gettable_params(void provctx)
339	0	{
340	0	return ml_dsa_get_params_list;
341	0	}
342
343		static int ml_dsa_get_params(void *keydata, OSSL_PARAM params[])
344	0	{
345	0	ML_DSA_KEY *key = keydata;
346	0	const uint8_t *d;
347	0	size_t len;
348	0	struct ml_dsa_get_params_st p;
349
350	0	if (key == NULL \|\| !ml_dsa_get_params_decoder(params, &p))
351	0	return 0;
352
353	0	if (p.bits != NULL
354	0	&& !OSSL_PARAM_set_size_t(p.bits, 8 * ossl_ml_dsa_key_get_pub_len(key)))
355	0	return 0;
356
357	0	if (p.secbits != NULL
358	0	&& !OSSL_PARAM_set_size_t(p.secbits, ossl_ml_dsa_key_get_collision_strength_bits(key)))
359	0	return 0;
360
361	0	if (p.maxsize != NULL
362	0	&& !OSSL_PARAM_set_size_t(p.maxsize, ossl_ml_dsa_key_get_sig_len(key)))
363	0	return 0;
364
365	0	if (p.seccat != NULL
366	0	&& !OSSL_PARAM_set_int(p.seccat, ossl_ml_dsa_key_get_security_category(key)))
367	0	return 0;
368
369	0	if (p.seed != NULL) {
370	0	d = ossl_ml_dsa_key_get_seed(key);
371	0	if (d != NULL && !OSSL_PARAM_set_octet_string(p.seed, d, ML_DSA_SEED_BYTES))
372	0	return 0;
373	0	}
374
375	0	if (p.privkey != NULL) {
376	0	d = ossl_ml_dsa_key_get_priv(key);
377	0	if (d != NULL) {
378	0	len = ossl_ml_dsa_key_get_priv_len(key);
379	0	if (!OSSL_PARAM_set_octet_string(p.privkey, d, len))
380	0	return 0;
381	0	}
382	0	}
383
384	0	if (p.pubkey != NULL) {
385	0	d = ossl_ml_dsa_key_get_pub(key);
386	0	if (d != NULL) {
387	0	len = ossl_ml_dsa_key_get_pub_len(key);
388	0	if (!OSSL_PARAM_set_octet_string(p.pubkey, d, len))
389	0	return 0;
390	0	}
391	0	}
392
393		/*
394		* This allows apps to use an empty digest, so that the old API
395		* for digest signing can be used.
396		*/
397	0	if (p.dgstp != NULL && !OSSL_PARAM_set_utf8_string(p.dgstp, ""))
398	0	return 0;
399	0	return 1;
400	0	}
401
402		static int ml_dsa_export(void *keydata, int selection,
403		OSSL_CALLBACK param_cb, void cbarg)
404	0	{
405	0	ML_DSA_KEY *key = keydata;
406	0	OSSL_PARAM params[4];
407	0	const uint8_t *buf;
408	0	int include_private, pnum = 0;
409
410	0	if (!ossl_prov_is_running() \|\| key == NULL)
411	0	return 0;
412
413	0	if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
414	0	return 0;
415
416	0	include_private = ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0);
417
418		/*
419		* Note that if the seed is present, both the seed and the private key are
420		* exported. The recipient will have a choice.
421		*/
422	0	if (include_private) {
423	0	if ((buf = ossl_ml_dsa_key_get_seed(key)) != NULL) {
424	0	params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_ML_DSA_SEED, (void *)buf, ML_DSA_SEED_BYTES);
425	0	}
426	0	if ((buf = ossl_ml_dsa_key_get_priv(key)) != NULL) {
427	0	params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, (void *)buf,
428	0	ossl_ml_dsa_key_get_priv_len(key));
429	0	}
430	0	}
431	0	if (((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
432	0	&& ((buf = ossl_ml_dsa_key_get_pub(key)) != NULL)) {
433	0	params[pnum++] = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PUB_KEY, (void *)buf,
434	0	ossl_ml_dsa_key_get_pub_len(key));
435	0	}
436	0	if (pnum == 0)
437	0	return 0;
438	0	params[pnum] = OSSL_PARAM_construct_end();
439	0	return param_cb(params, cbarg);
440	0	}
441
442		#ifndef FIPS_MODULE
443		static void ml_dsa_load(const void reference, size_t reference_sz)
444	0	{
445	0	ML_DSA_KEY *key = NULL;
446	0	const ML_DSA_PARAMS *key_params;
447	0	const uint8_t sk, seed;
448
449	0	if (ossl_prov_is_running() && reference_sz == sizeof(key)) {
450		/* The contents of the reference is the address to our object */
451	0	key = (ML_DSA_KEY *)reference;
452		/* We grabbed, so we detach it */
453	0	(ML_DSA_KEY *)reference = NULL;
454		/* All done, if the pubkey is present. */
455	0	if (key == NULL \|\| ossl_ml_dsa_key_get_pub(key) != NULL)
456	0	return key;
457		/* Handle private prekey inputs. */
458	0	sk = ossl_ml_dsa_key_get_priv(key);
459	0	seed = ossl_ml_dsa_key_get_seed(key);
460	0	if (seed != NULL
461	0	&& (sk == NULL \|\| (ossl_ml_dsa_key_get_prov_flags(key) & ML_DSA_KEY_PREFER_SEED))) {
462	0	if (ossl_ml_dsa_generate_key(key))
463	0	return key;
464	0	} else if (sk != NULL) {
465	0	if (ossl_ml_dsa_sk_decode(key, sk,
466	0	ossl_ml_dsa_key_get_priv_len(key)))
467	0	return key;
468	0	key_params = ossl_ml_dsa_key_params(key);
469	0	ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_KEY,
470	0	"error parsing %s private key",
471	0	key_params->alg);
472	0	} else {
473	0	return key;
474	0	}
475	0	}
476
477	0	ossl_ml_dsa_key_free(key);
478	0	return NULL;
479	0	}
480		#endif
481
482		static void ml_dsa_gen_init(void provctx, int selection,
483		const OSSL_PARAM params[])
484	0	{
485	0	struct ml_dsa_gen_ctx *gctx = NULL;
486
487	0	if (!ossl_prov_is_running())
488	0	return NULL;
489
490	0	if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
491	0	gctx->provctx = provctx;
492	0	if (!ml_dsa_gen_set_params(gctx, params)) {
493	0	OPENSSL_free(gctx);
494	0	gctx = NULL;
495	0	}
496	0	}
497	0	return gctx;
498	0	}
499
500		static void ml_dsa_gen(void genctx, int evp_type)
501	0	{
502	0	struct ml_dsa_gen_ctx *gctx = genctx;
503	0	ML_DSA_KEY *key = NULL;
504
505	0	if (!ossl_prov_is_running())
506	0	return NULL;
507	0	key = ossl_prov_ml_dsa_new(gctx->provctx, gctx->propq, evp_type);
508	0	if (key == NULL)
509	0	return NULL;
510	0	if (gctx->entropy_len != 0
511	0	&& !ossl_ml_dsa_set_prekey(key, 0, 0,
512	0	gctx->entropy, gctx->entropy_len, NULL, 0))
513	0	goto err;
514	0	if (!ossl_ml_dsa_generate_key(key)) {
515	0	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GENERATE_KEY);
516	0	goto err;
517	0	}
518		#ifdef FIPS_MODULE
519		if (!ml_dsa_pairwise_test(key))
520		goto err;
521		#endif
522	0	return key;
523	0	err:
524	0	ossl_ml_dsa_key_free(key);
525	0	return NULL;
526	0	}
527
528		static int ml_dsa_gen_set_params(void *genctx, const OSSL_PARAM params[])
529	0	{
530	0	struct ml_dsa_gen_ctx *gctx = genctx;
531	0	struct ml_dsa_gen_set_params_st p;
532
533	0	if (gctx == NULL \|\| !ml_dsa_gen_set_params_decoder(params, &p))
534	0	return 0;
535
536	0	if (p.seed != NULL) {
537	0	void *vp = gctx->entropy;
538	0	size_t len = sizeof(gctx->entropy);
539
540	0	if (!OSSL_PARAM_get_octet_string(p.seed, &vp, len, &(gctx->entropy_len))) {
541	0	gctx->entropy_len = 0;
542	0	return 0;
543	0	}
544	0	}
545
546	0	if (p.propq != NULL) {
547	0	OPENSSL_free(gctx->propq);
548	0	gctx->propq = NULL;
549	0	if (!OSSL_PARAM_get_utf8_string(p.propq, &gctx->propq, 0))
550	0	return 0;
551	0	}
552	0	return 1;
553	0	}
554
555		static const OSSL_PARAM ml_dsa_gen_settable_params(ossl_unused void genctx,
556		ossl_unused void *provctx)
557	0	{
558	0	return ml_dsa_gen_set_params_list;
559	0	}
560
561		static void ml_dsa_gen_cleanup(void *genctx)
562	0	{
563	0	struct ml_dsa_gen_ctx *gctx = genctx;
564
565	0	if (gctx == NULL)
566	0	return;
567
568	0	OPENSSL_cleanse(gctx->entropy, gctx->entropy_len);
569	0	OPENSSL_free(gctx->propq);
570	0	OPENSSL_free(gctx);
571	0	}
572
573		#ifndef FIPS_MODULE
574		#define DISPATCH_LOAD_FN \
575		{ OSSL_FUNC_KEYMGMT_LOAD, (OSSL_FUNC)ml_dsa_load },
576		#else
577		#define DISPATCH_LOAD_FN /* Non-FIPS only */
578		#endif
579
580		#define MAKE_KEYMGMT_FUNCTIONS(alg) \
581		static OSSL_FUNC_keymgmt_new_fn ml_dsa_##alg##_new_key; \
582		static OSSL_FUNC_keymgmt_gen_fn ml_dsa_##alg##_gen; \
583		static void ml_dsa_##alg##_new_key(void provctx) \
584	0	{ \
585	0	return ossl_prov_ml_dsa_new(provctx, NULL, EVP_PKEY_ML_DSA_##alg); \
586	0	} \
587		static void ml_dsa_##alg##_gen(void genctx, OSSL_CALLBACK osslcb, void cbarg) \
588	0	{ \
589	0	return ml_dsa_gen(genctx, EVP_PKEY_ML_DSA_##alg); \
590	0	} \ Unexecuted instantiation: ml_dsa_kmgmt.c:ml_dsa_44_gen Unexecuted instantiation: ml_dsa_kmgmt.c:ml_dsa_65_gen Unexecuted instantiation: ml_dsa_kmgmt.c:ml_dsa_87_gen
591		const OSSL_DISPATCH ossl_ml_dsa_##alg##_keymgmt_functions[] = { \
592		{ OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))ml_dsa_##alg##_new_key }, \
593		{ OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ml_dsa_free_key }, \
594		{ OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ml_dsa_has }, \
595		{ OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ml_dsa_match }, \
596		{ OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))ml_dsa_import }, \
597		{ OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ml_dsa_import_types }, \
598		{ OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ml_dsa_export }, \
599		{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ml_dsa_export_types }, \
600		DISPATCH_LOAD_FN { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*)(void))ml_dsa_get_params }, \
601		{ OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*)(void))ml_dsa_gettable_params }, \
602		{ OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))ml_dsa_validate }, \
603		{ OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))ml_dsa_gen_init }, \
604		{ OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))ml_dsa_##alg##_gen }, \
605		{ OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ml_dsa_gen_cleanup }, \
606		{ OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, \
607		(void (*)(void))ml_dsa_gen_set_params }, \
608		{ OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS, \
609		(void (*)(void))ml_dsa_gen_settable_params }, \
610		{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ml_dsa_dup_key }, \
611		OSSL_DISPATCH_END \
612		}
613
614	0	MAKE_KEYMGMT_FUNCTIONS(44);
615	0	MAKE_KEYMGMT_FUNCTIONS(65);
616		MAKE_KEYMGMT_FUNCTIONS(87);