Esempio n. 1
0
/*  call-seq:
 *     OpenSSL::PKey::EC.new()
 *     OpenSSL::PKey::EC.new(ec_key)
 *     OpenSSL::PKey::EC.new(ec_group)
 *     OpenSSL::PKey::EC.new("secp112r1")
 *     OpenSSL::PKey::EC.new(pem_string)
 *     OpenSSL::PKey::EC.new(pem_string [, pwd])
 *     OpenSSL::PKey::EC.new(der_string)
 *
 *  See the OpenSSL documentation for:
 *     EC_KEY_*
 */
static VALUE ossl_ec_key_initialize(int argc, VALUE *argv, VALUE self)
{
    EVP_PKEY *pkey;
    EC_KEY *ec;
    VALUE arg, pass;

    GetPKey(self, pkey);
    if (EVP_PKEY_base_id(pkey) != EVP_PKEY_NONE)
        ossl_raise(eECError, "EC_KEY already initialized");

    rb_scan_args(argc, argv, "02", &arg, &pass);

    if (NIL_P(arg)) {
        if (!(ec = EC_KEY_new()))
	    ossl_raise(eECError, NULL);
    } else if (rb_obj_is_kind_of(arg, cEC)) {
	EC_KEY *other_ec = NULL;

	SafeRequire_EC_KEY(arg, other_ec);
	if (!(ec = EC_KEY_dup(other_ec)))
	    ossl_raise(eECError, NULL);
    } else if (rb_obj_is_kind_of(arg, cEC_GROUP)) {
	ec = ec_key_new_from_group(arg);
    } else {
	BIO *in;

	pass = ossl_pem_passwd_value(pass);
	in = ossl_obj2bio(arg);

	ec = PEM_read_bio_ECPrivateKey(in, NULL, ossl_pem_passwd_cb, (void *)pass);
	if (!ec) {
	    OSSL_BIO_reset(in);
	    ec = PEM_read_bio_EC_PUBKEY(in, NULL, ossl_pem_passwd_cb, (void *)pass);
	}
	if (!ec) {
	    OSSL_BIO_reset(in);
	    ec = d2i_ECPrivateKey_bio(in, NULL);
	}
	if (!ec) {
	    OSSL_BIO_reset(in);
	    ec = d2i_EC_PUBKEY_bio(in, NULL);
	}
	BIO_free(in);

	if (!ec) {
	    ossl_clear_error();
	    ec = ec_key_new_from_group(arg);
	}
    }

    if (!EVP_PKEY_assign_EC_KEY(pkey, ec)) {
	EC_KEY_free(ec);
	ossl_raise(eECError, "EVP_PKEY_assign_EC_KEY");
    }

    rb_iv_set(self, "@group", Qnil);

    return self;
}
Esempio n. 2
0
/*  call-seq:
 *     OpenSSL::PKey::EC.new()
 *     OpenSSL::PKey::EC.new(ec_key)
 *     OpenSSL::PKey::EC.new(ec_group)
 *     OpenSSL::PKey::EC.new("secp112r1")
 *     OpenSSL::PKey::EC.new(pem_string)
 *     OpenSSL::PKey::EC.new(pem_string [, pwd])
 *     OpenSSL::PKey::EC.new(der_string)
 *
 *  See the OpenSSL documentation for:
 *     EC_KEY_*
 */
static VALUE ossl_ec_key_initialize(int argc, VALUE *argv, VALUE self)
{
    EVP_PKEY *pkey;
    EC_KEY *ec = NULL;
    VALUE arg, pass;
    VALUE group = Qnil;
    char *passwd = NULL;

    GetPKey(self, pkey);
    if (pkey->pkey.ec)
        rb_raise(eECError, "EC_KEY already initialized");

    rb_scan_args(argc, argv, "02", &arg, &pass);

    if (NIL_P(arg)) {
        ec = EC_KEY_new();
    } else {
        if (rb_obj_is_kind_of(arg, cEC)) {
            EC_KEY *other_ec = NULL;

            SafeRequire_EC_KEY(arg, other_ec);
            ec = EC_KEY_dup(other_ec);
        } else if (rb_obj_is_kind_of(arg, cEC_GROUP)) {
        	ec = EC_KEY_new();
        	group = arg;
        } else {
            BIO *in = ossl_obj2bio(arg);

            if (!NIL_P(pass)) {
		passwd = StringValuePtr(pass);
	    }
	    ec = PEM_read_bio_ECPrivateKey(in, NULL, ossl_pem_passwd_cb, passwd);
            if (!ec) {
                (void)BIO_reset(in);
                (void)ERR_get_error();
		ec = PEM_read_bio_EC_PUBKEY(in, NULL, ossl_pem_passwd_cb, passwd);
            }
            if (!ec) {
                (void)BIO_reset(in);
                (void)ERR_get_error();
                ec = d2i_ECPrivateKey_bio(in, NULL);
            }
            if (!ec) {
                (void)BIO_reset(in);
                (void)ERR_get_error();
                ec = d2i_EC_PUBKEY_bio(in, NULL);
            }

            BIO_free(in);

            if (ec == NULL) {
                const char *name = StringValueCStr(arg);
                int nid = OBJ_sn2nid(name);

                (void)ERR_get_error();
                if (nid == NID_undef)
                    ossl_raise(eECError, "unknown curve name (%s)\n", name);

                if ((ec = EC_KEY_new_by_curve_name(nid)) == NULL)
                    ossl_raise(eECError, "unable to create curve (%s)\n", name);

                EC_KEY_set_asn1_flag(ec, OPENSSL_EC_NAMED_CURVE);
                EC_KEY_set_conv_form(ec, POINT_CONVERSION_UNCOMPRESSED);
            }
        }
    }

    if (ec == NULL)
        ossl_raise(eECError, NULL);

    if (!EVP_PKEY_assign_EC_KEY(pkey, ec)) {
	EC_KEY_free(ec);
	ossl_raise(eECError, "EVP_PKEY_assign_EC_KEY");
    }

    rb_iv_set(self, "@group", Qnil);

    if (!NIL_P(group))
        rb_funcall(self, rb_intern("group="), 1, arg);

    return self;
}
Esempio n. 3
0
int MAIN(int argc, char **argv)
{
    int ret = 1;
    EC_KEY *eckey = NULL;
    const EC_GROUP *group;
    int i, badops = 0;
    const EVP_CIPHER *enc = NULL;
    BIO *in = NULL, *out = NULL;
    int informat, outformat, text = 0, noout = 0;
    int pubin = 0, pubout = 0, param_out = 0;
    char *infile, *outfile, *prog, *engine;
    char *passargin = NULL, *passargout = NULL;
    char *passin = NULL, *passout = NULL;
    point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
    int new_form = 0;
    int asn1_flag = OPENSSL_EC_NAMED_CURVE;
    int new_asn1_flag = 0;

    apps_startup();

    if (bio_err == NULL)
        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);

    if (!load_config(bio_err, NULL))
        goto end;

    engine = NULL;
    infile = NULL;
    outfile = NULL;
    informat = FORMAT_PEM;
    outformat = FORMAT_PEM;

    prog = argv[0];
    argc--;
    argv++;
    while (argc >= 1) {
        if (strcmp(*argv, "-inform") == 0) {
            if (--argc < 1)
                goto bad;
            informat = str2fmt(*(++argv));
        } else if (strcmp(*argv, "-outform") == 0) {
            if (--argc < 1)
                goto bad;
            outformat = str2fmt(*(++argv));
        } else if (strcmp(*argv, "-in") == 0) {
            if (--argc < 1)
                goto bad;
            infile = *(++argv);
        } else if (strcmp(*argv, "-out") == 0) {
            if (--argc < 1)
                goto bad;
            outfile = *(++argv);
        } else if (strcmp(*argv, "-passin") == 0) {
            if (--argc < 1)
                goto bad;
            passargin = *(++argv);
        } else if (strcmp(*argv, "-passout") == 0) {
            if (--argc < 1)
                goto bad;
            passargout = *(++argv);
        } else if (strcmp(*argv, "-engine") == 0) {
            if (--argc < 1)
                goto bad;
            engine = *(++argv);
        } else if (strcmp(*argv, "-noout") == 0)
            noout = 1;
        else if (strcmp(*argv, "-text") == 0)
            text = 1;
        else if (strcmp(*argv, "-conv_form") == 0) {
            if (--argc < 1)
                goto bad;
            ++argv;
            new_form = 1;
            if (strcmp(*argv, "compressed") == 0)
                form = POINT_CONVERSION_COMPRESSED;
            else if (strcmp(*argv, "uncompressed") == 0)
                form = POINT_CONVERSION_UNCOMPRESSED;
            else if (strcmp(*argv, "hybrid") == 0)
                form = POINT_CONVERSION_HYBRID;
            else
                goto bad;
        } else if (strcmp(*argv, "-param_enc") == 0) {
            if (--argc < 1)
                goto bad;
            ++argv;
            new_asn1_flag = 1;
            if (strcmp(*argv, "named_curve") == 0)
                asn1_flag = OPENSSL_EC_NAMED_CURVE;
            else if (strcmp(*argv, "explicit") == 0)
                asn1_flag = 0;
            else
                goto bad;
        } else if (strcmp(*argv, "-param_out") == 0)
            param_out = 1;
        else if (strcmp(*argv, "-pubin") == 0)
            pubin = 1;
        else if (strcmp(*argv, "-pubout") == 0)
            pubout = 1;
        else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
            BIO_printf(bio_err, "unknown option %s\n", *argv);
            badops = 1;
            break;
        }
        argc--;
        argv++;
    }

    if (badops) {
 bad:
        BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
        BIO_printf(bio_err, "where options are\n");
        BIO_printf(bio_err, " -inform arg     input format - "
                   "DER or PEM\n");
        BIO_printf(bio_err, " -outform arg    output format - "
                   "DER or PEM\n");
        BIO_printf(bio_err, " -in arg         input file\n");
        BIO_printf(bio_err, " -passin arg     input file pass "
                   "phrase source\n");
        BIO_printf(bio_err, " -out arg        output file\n");
        BIO_printf(bio_err, " -passout arg    output file pass "
                   "phrase source\n");
        BIO_printf(bio_err, " -engine e       use engine e, "
                   "possibly a hardware device.\n");
        BIO_printf(bio_err, " -des            encrypt PEM output, "
                   "instead of 'des' every other \n"
                   "                 cipher "
                   "supported by OpenSSL can be used\n");
        BIO_printf(bio_err, " -text           print the key\n");
        BIO_printf(bio_err, " -noout          don't print key out\n");
        BIO_printf(bio_err, " -param_out      print the elliptic "
                   "curve parameters\n");
        BIO_printf(bio_err, " -conv_form arg  specifies the "
                   "point conversion form \n");
        BIO_printf(bio_err, "                 possible values:"
                   " compressed\n");
        BIO_printf(bio_err, "                                 "
                   " uncompressed (default)\n");
        BIO_printf(bio_err, "                                  " " hybrid\n");
        BIO_printf(bio_err, " -param_enc arg  specifies the way"
                   " the ec parameters are encoded\n");
        BIO_printf(bio_err, "                 in the asn1 der " "encoding\n");
        BIO_printf(bio_err, "                 possible values:"
                   " named_curve (default)\n");
        BIO_printf(bio_err, "                                  "
                   "explicit\n");
        goto end;
    }

    ERR_load_crypto_strings();

# ifndef OPENSSL_NO_ENGINE
    setup_engine(bio_err, engine, 0);
# endif

    if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
        BIO_printf(bio_err, "Error getting passwords\n");
        goto end;
    }

    in = BIO_new(BIO_s_file());
    out = BIO_new(BIO_s_file());
    if ((in == NULL) || (out == NULL)) {
        ERR_print_errors(bio_err);
        goto end;
    }

    if (infile == NULL)
        BIO_set_fp(in, stdin, BIO_NOCLOSE);
    else {
        if (BIO_read_filename(in, infile) <= 0) {
            perror(infile);
            goto end;
        }
    }

    BIO_printf(bio_err, "read EC key\n");
    if (informat == FORMAT_ASN1) {
        if (pubin)
            eckey = d2i_EC_PUBKEY_bio(in, NULL);
        else
            eckey = d2i_ECPrivateKey_bio(in, NULL);
    } else if (informat == FORMAT_PEM) {
        if (pubin)
            eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL);
        else
            eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin);
    } else {
        BIO_printf(bio_err, "bad input format specified for key\n");
        goto end;
    }
    if (eckey == NULL) {
        BIO_printf(bio_err, "unable to load Key\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    if (outfile == NULL) {
        BIO_set_fp(out, stdout, BIO_NOCLOSE);
# ifdef OPENSSL_SYS_VMS
        {
            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
            out = BIO_push(tmpbio, out);
        }
# endif
    } else {
        if (BIO_write_filename(out, outfile) <= 0) {
            perror(outfile);
            goto end;
        }
    }

    group = EC_KEY_get0_group(eckey);

    if (new_form)
        EC_KEY_set_conv_form(eckey, form);

    if (new_asn1_flag)
        EC_KEY_set_asn1_flag(eckey, asn1_flag);

    if (text)
        if (!EC_KEY_print(out, eckey, 0)) {
            perror(outfile);
            ERR_print_errors(bio_err);
            goto end;
        }

    if (noout) {
        ret = 0;
        goto end;
    }

    BIO_printf(bio_err, "writing EC key\n");
    if (outformat == FORMAT_ASN1) {
        if (param_out)
            i = i2d_ECPKParameters_bio(out, group);
        else if (pubin || pubout)
            i = i2d_EC_PUBKEY_bio(out, eckey);
        else
            i = i2d_ECPrivateKey_bio(out, eckey);
    } else if (outformat == FORMAT_PEM) {
        if (param_out)
            i = PEM_write_bio_ECPKParameters(out, group);
        else if (pubin || pubout)
            i = PEM_write_bio_EC_PUBKEY(out, eckey);
        else
            i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
                                           NULL, 0, NULL, passout);
    } else {
        BIO_printf(bio_err, "bad output format specified for " "outfile\n");
        goto end;
    }

    if (!i) {
        BIO_printf(bio_err, "unable to write private key\n");
        ERR_print_errors(bio_err);
    } else
        ret = 0;
 end:
    if (in)
        BIO_free(in);
    if (out)
        BIO_free_all(out);
    if (eckey)
        EC_KEY_free(eckey);
    if (passin)
        OPENSSL_free(passin);
    if (passout)
        OPENSSL_free(passout);
    apps_shutdown();
    OPENSSL_EXIT(ret);
}