


#define OPENSSL_SUPPRESS_DEPRECATED

#include "eng_local.h"

static ENGINE_TABLE *cipher_table = NULL;

void ENGINE_unregister_ciphers(ENGINE *e)
{
    engine_table_unregister(&cipher_table, e);
}

static void engine_unregister_all_ciphers(void)
{
    engine_table_cleanup(&cipher_table);
}

int ENGINE_register_ciphers(ENGINE *e)
{
    if (e->ciphers) {
        const int *nids;
        int num_nids = e->ciphers(e, NULL, &nids, 0);
        if (num_nids > 0)
            return engine_table_register(&cipher_table,
                                         engine_unregister_all_ciphers, e,
                                         nids, num_nids, 0);
    }
    return 1;
}

void ENGINE_register_all_ciphers(void)
{
    ENGINE *e;

    for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
        ENGINE_register_ciphers(e);
}

int ENGINE_set_default_ciphers(ENGINE *e)
{
    if (e->ciphers) {
        const int *nids;
        int num_nids = e->ciphers(e, NULL, &nids, 0);
        if (num_nids > 0)
            return engine_table_register(&cipher_table,
                                         engine_unregister_all_ciphers, e,
                                         nids, num_nids, 1);
    }
    return 1;
}


ENGINE *ENGINE_get_cipher_engine(int nid)
{
    return ossl_engine_table_select(&cipher_table, nid,
                                    OPENSSL_FILE, OPENSSL_LINE);
}


const EVP_CIPHER *ENGINE_get_cipher(ENGINE *e, int nid)
{
    const EVP_CIPHER *ret;
    ENGINE_CIPHERS_PTR fn = ENGINE_get_ciphers(e);
    if (!fn || !fn(e, &ret, NULL, nid)) {
        ERR_raise(ERR_LIB_ENGINE, ENGINE_R_UNIMPLEMENTED_CIPHER);
        return NULL;
    }
    return ret;
}


ENGINE_CIPHERS_PTR ENGINE_get_ciphers(const ENGINE *e)
{
    return e->ciphers;
}


int ENGINE_set_ciphers(ENGINE *e, ENGINE_CIPHERS_PTR f)
{
    e->ciphers = f;
    return 1;
}
