예제 #1
0
파일: e_devcrypto.c 프로젝트: ciz/openssl
static int bind_devcrypto(ENGINE *e) {

    if (!ENGINE_set_id(e, engine_devcrypto_id)
        || !ENGINE_set_name(e, "/dev/crypto engine")
        || !ENGINE_set_destroy_function(e, devcrypto_unload)
        || !ENGINE_set_cmd_defns(e, devcrypto_cmds)
        || !ENGINE_set_ctrl_function(e, devcrypto_ctrl))
        return 0;

    prepare_cipher_methods();
#ifdef IMPLEMENT_DIGEST
    prepare_digest_methods();
#endif

    return (ENGINE_set_ciphers(e, devcrypto_ciphers)
#ifdef IMPLEMENT_DIGEST
        && ENGINE_set_digests(e, devcrypto_digests)
#endif
/*
 * Asymmetric ciphers aren't well supported with /dev/crypto.  Among the BSD
 * implementations, it seems to only exist in FreeBSD, and regarding the
 * parameters in its crypt_kop, the manual crypto(4) has this to say:
 *
 *    The semantics of these arguments are currently undocumented.
 *
 * Reading through the FreeBSD source code doesn't give much more than
 * their CRK_MOD_EXP implementation for ubsec.
 *
 * It doesn't look much better with cryptodev-linux.  They have the crypt_kop
 * structure as well as the command (CRK_*) in cryptodev.h, but no support
 * seems to be implemented at all for the moment.
 *
 * At the time of writing, it seems impossible to write proper support for
 * FreeBSD's asym features without some very deep knowledge and access to
 * specific kernel modules.
 *
 * /Richard Levitte, 2017-05-11
 */
#if 0
# ifndef OPENSSL_NO_RSA
        && ENGINE_set_RSA(e, devcrypto_rsa)
# endif
# ifndef OPENSSL_NO_DSA
        && ENGINE_set_DSA(e, devcrypto_dsa)
# endif
# ifndef OPENSSL_NO_DH
        && ENGINE_set_DH(e, devcrypto_dh)
# endif
# ifndef OPENSSL_NO_EC
        && ENGINE_set_EC(e, devcrypto_ec)
# endif
#endif
        );
}
예제 #2
0
/*
 * This engine is always built into libcrypto, so it doesn't offer any
 * ability to be dynamically loadable.
 */
void engine_load_devcrypto_int()
{
    ENGINE *e = NULL;

    if (access("/dev/crypto", R_OK | W_OK) < 0) {
        fprintf(stderr,
                "/dev/crypto not present, not enabling devcrypto engine\n");
        return;
    }

    prepare_cipher_methods();
#if defined(COP_FLAG_UPDATE) && defined(COP_FLAG_FINAL)
    prepare_digest_methods();
#endif

    if ((e = ENGINE_new()) == NULL)
        return;

    if (!ENGINE_set_id(e, "devcrypto")
        || !ENGINE_set_name(e, "/dev/crypto engine")
        || !ENGINE_set_destroy_function(e, devcrypto_unload)

/*
 * Asymmetric ciphers aren't well supported with /dev/crypto.  Among the BSD
 * implementations, it seems to only exist in FreeBSD, and regarding the
 * parameters in its crypt_kop, the manual crypto(4) has this to say:
 *
 *    The semantics of these arguments are currently undocumented.
 *
 * Reading through the FreeBSD source code doesn't give much more than
 * their CRK_MOD_EXP implementation for ubsec.
 *
 * It doesn't look much better with cryptodev-linux.  They have the crypt_kop
 * structure as well as the command (CRK_*) in cryptodev.h, but no support
 * seems to be implemented at all for the moment.
 *
 * At the time of writing, it seems impossible to write proper support for
 * FreeBSD's asym features without some very deep knowledge and access to
 * specific kernel modules.
 *
 * /Richard Levitte, 2017-05-11
 */
#if 0
# ifndef OPENSSL_NO_RSA
        || !ENGINE_set_RSA(e, devcrypto_rsa)
# endif
# ifndef OPENSSL_NO_DSA
        || !ENGINE_set_DSA(e, devcrypto_dsa)
# endif
# ifndef OPENSSL_NO_DH
        || !ENGINE_set_DH(e, devcrypto_dh)
# endif
# ifndef OPENSSL_NO_EC
        || !ENGINE_set_EC(e, devcrypto_ec)
# endif
#endif
        || !ENGINE_set_ciphers(e, devcrypto_ciphers)
#if defined(COP_FLAG_UPDATE) && defined(COP_FLAG_FINAL)
        || !ENGINE_set_digests(e, devcrypto_digests)
#endif
        ) {
        ENGINE_free(e);
        return;
    }

    ENGINE_add(e);
    ENGINE_free(e);          /* Loose our local reference */
    ERR_clear_error();
}