[crypto] Add definitions and tests for the NIST P-256 elliptic curve

Signed-off-by: Michael Brown <mcb30@ipxe.org>

9 files changed, 325 insertions, 0 deletions

diff --git a/src/config/config_crypto.c b/src/config/config_crypto.c
index f118a9709..99acd3076 100644
--- a/src/config/config_crypto.c
+++ b/src/config/config_crypto.c
@@ -88,6 +88,11 @@ REQUIRE_OBJECT ( oid_sha512_256 );
 REQUIRE_OBJECT ( oid_x25519 );
 #endif
 
+/* P-256 */
+#if defined ( CRYPTO_CURVE_P256 )
+REQUIRE_OBJECT ( oid_p256 );
+#endif
+
 /* AES-CBC */
 #if defined ( CRYPTO_CIPHER_AES_CBC )
 REQUIRE_OBJECT ( oid_aes_cbc );
diff --git a/src/config/crypto.h b/src/config/crypto.h
index 589c4f0da..5e96be4aa 100644
--- a/src/config/crypto.h
+++ b/src/config/crypto.h
@@ -60,6 +60,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 /** X25519 elliptic curve */
 #define CRYPTO_CURVE_X25519
 
+/** P-256 elliptic curve */
+#define CRYPTO_CURVE_P256
+
 /** Margin of error (in seconds) allowed in signed timestamps
  *
  * We default to allowing a reasonable margin of error: 12 hours to
diff --git a/src/crypto/mishmash/oid_p256.c b/src/crypto/mishmash/oid_p256.c
new file mode 100644
index 000000000..d473df09f
--- /dev/null
+++ b/src/crypto/mishmash/oid_p256.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <byteswap.h>
+#include <ipxe/p256.h>
+#include <ipxe/asn1.h>
+#include <ipxe/tls.h>
+
+/** "prime256v1" object identifier */
+static uint8_t oid_prime256v1[] = { ASN1_OID_PRIME256V1 };
+
+/** "prime256v1" OID-identified algorithm */
+struct asn1_algorithm prime256v1_algorithm __asn1_algorithm = {
+	.name = "prime256v1",
+	.curve = &p256_curve,
+	.oid = ASN1_CURSOR ( oid_prime256v1 ),
+};
+
+/** P-256 named curve */
+struct tls_named_curve tls_secp256r1_named_curve __tls_named_curve ( 01 ) = {
+	.curve = &p256_curve,
+	.code = htons ( TLS_NAMED_CURVE_SECP256R1 ),
+	.format = TLS_POINT_FORMAT_UNCOMPRESSED,
+	.pre_master_secret_len = P256_LEN,
+};
diff --git a/src/crypto/p256.c b/src/crypto/p256.c
new file mode 100644
index 000000000..9b0b542a1
--- /dev/null
+++ b/src/crypto/p256.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+/** @file
+ *
+ * NIST P-256 elliptic curve
+ *
+ */
+
+#include <ipxe/p256.h>
+
+/** P-256 field prime */
+static const uint8_t p256_prime[P256_LEN] = {
+	0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+/** P-256 constant "a" */
+static const uint8_t p256_a[P256_LEN] = {
+	0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc
+};
+
+/** P-256 constant "b" */
+static const uint8_t p256_b[P256_LEN] = {
+	0x5a, 0xc6, 0x35, 0xd8, 0xaa, 0x3a, 0x93, 0xe7, 0xb3, 0xeb, 0xbd,
+	0x55, 0x76, 0x98, 0x86, 0xbc, 0x65, 0x1d, 0x06, 0xb0, 0xcc, 0x53,
+	0xb0, 0xf6, 0x3b, 0xce, 0x3c, 0x3e, 0x27, 0xd2, 0x60, 0x4b
+};
+
+/** P-256 base point */
+static const uint8_t p256_base[ P256_LEN * 2 ] = {
+	0x6b, 0x17, 0xd1, 0xf2, 0xe1, 0x2c, 0x42, 0x47, 0xf8, 0xbc, 0xe6,
+	0xe5, 0x63, 0xa4, 0x40, 0xf2, 0x77, 0x03, 0x7d, 0x81, 0x2d, 0xeb,
+	0x33, 0xa0, 0xf4, 0xa1, 0x39, 0x45, 0xd8, 0x98, 0xc2, 0x96, 0x4f,
+	0xe3, 0x42, 0xe2, 0xfe, 0x1a, 0x7f, 0x9b, 0x8e, 0xe7, 0xeb, 0x4a,
+	0x7c, 0x0f, 0x9e, 0x16, 0x2b, 0xce, 0x33, 0x57, 0x6b, 0x31, 0x5e,
+	0xce, 0xcb, 0xb6, 0x40, 0x68, 0x37, 0xbf, 0x51, 0xf5
+};
+
+/** P-256 elliptic curve */
+WEIERSTRASS_CURVE ( p256, p256_curve, P256_LEN,
+		    p256_prime, p256_a, p256_b, p256_base );
diff --git a/src/include/ipxe/asn1.h b/src/include/ipxe/asn1.h
index 752b423b9..d503ccf9b 100644
--- a/src/include/ipxe/asn1.h
+++ b/src/include/ipxe/asn1.h
@@ -127,6 +127,12 @@ struct asn1_builder_header {
 #define ASN1_OID_TRIPLE( value ) \
 	( 0x80 | ( ( (value) >> 14 ) & 0x7f ) ), ASN1_OID_DOUBLE ( (value) )
 
+/** ASN.1 OID for prime256v1 (1.2.840.10045.3.1.7) */
+#define ASN1_OID_PRIME256V1					\
+	ASN1_OID_INITIAL ( 1, 1 ), ASN1_OID_DOUBLE ( 840 ),	\
+	ASN1_OID_DOUBLE ( 10045 ), ASN1_OID_SINGLE ( 3 ),	\
+	ASN1_OID_SINGLE ( 1 ), ASN1_OID_SINGLE ( 7 )
+
 /** ASN.1 OID for rsaEncryption (1.2.840.113549.1.1.1) */
 #define ASN1_OID_RSAENCRYPTION					\
 	ASN1_OID_INITIAL ( 1, 2 ), ASN1_OID_DOUBLE ( 840 ),	\
diff --git a/src/include/ipxe/p256.h b/src/include/ipxe/p256.h
new file mode 100644
index 000000000..0c4e81665
--- /dev/null
+++ b/src/include/ipxe/p256.h
@@ -0,0 +1,19 @@
+#ifndef _IPXE_P256_H
+#define _IPXE_P256_H
+
+/** @file
+ *
+ * NIST P-256 elliptic curve
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/weierstrass.h>
+
+/** P-256 value length */
+#define P256_LEN ( 256 / 8 )
+
+extern struct elliptic_curve p256_curve;
+
+#endif /* _IPXE_P256_H */
diff --git a/src/include/ipxe/tls.h b/src/include/ipxe/tls.h
index bf9807230..685c62e6d 100644
--- a/src/include/ipxe/tls.h
+++ b/src/include/ipxe/tls.h
@@ -127,6 +127,7 @@ struct tls_header {
 
 /* TLS named curve extension */
 #define TLS_NAMED_CURVE 10
+#define TLS_NAMED_CURVE_SECP256R1 23
 #define TLS_NAMED_CURVE_X25519 29
 
 /* TLS signature algorithms extension */
diff --git a/src/tests/p256_test.c b/src/tests/p256_test.c
new file mode 100644
index 000000000..62b8d9247
--- /dev/null
+++ b/src/tests/p256_test.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+/** @file
+ *
+ * NIST P-256 elliptic curve self-tests
+ *
+ */
+
+/* Forcibly enable assertions */
+#undef NDEBUG
+
+#include <ipxe/p256.h>
+#include <ipxe/test.h>
+#include "elliptic_test.h"
+
+/* http://point-at-infinity.org/ecc/nisttv k=1 */
+ELLIPTIC_TEST ( poi_1, &p256_curve, BASE_GENERATOR,
+		SCALAR ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 ),
+		EXPECTED ( 0x6b, 0x17, 0xd1, 0xf2, 0xe1, 0x2c, 0x42, 0x47,
+			   0xf8, 0xbc, 0xe6, 0xe5, 0x63, 0xa4, 0x40, 0xf2,
+			   0x77, 0x03, 0x7d, 0x81, 0x2d, 0xeb, 0x33, 0xa0,
+			   0xf4, 0xa1, 0x39, 0x45, 0xd8, 0x98, 0xc2, 0x96,
+			   0x4f, 0xe3, 0x42, 0xe2, 0xfe, 0x1a, 0x7f, 0x9b,
+			   0x8e, 0xe7, 0xeb, 0x4a, 0x7c, 0x0f, 0x9e, 0x16,
+			   0x2b, 0xce, 0x33, 0x57, 0x6b, 0x31, 0x5e, 0xce,
+			   0xcb, 0xb6, 0x40, 0x68, 0x37, 0xbf, 0x51, 0xf5 ) );
+
+/* http://point-at-infinity.org/ecc/nisttv k=2 */
+ELLIPTIC_TEST ( poi_2, &p256_curve, BASE_GENERATOR,
+		SCALAR ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 ),
+		EXPECTED ( 0x7c, 0xf2, 0x7b, 0x18, 0x8d, 0x03, 0x4f, 0x7e,
+			   0x8a, 0x52, 0x38, 0x03, 0x04, 0xb5, 0x1a, 0xc3,
+			   0xc0, 0x89, 0x69, 0xe2, 0x77, 0xf2, 0x1b, 0x35,
+			   0xa6, 0x0b, 0x48, 0xfc, 0x47, 0x66, 0x99, 0x78,
+			   0x07, 0x77, 0x55, 0x10, 0xdb, 0x8e, 0xd0, 0x40,
+			   0x29, 0x3d, 0x9a, 0xc6, 0x9f, 0x74, 0x30, 0xdb,
+			   0xba, 0x7d, 0xad, 0xe6, 0x3c, 0xe9, 0x82, 0x29,
+			   0x9e, 0x04, 0xb7, 0x9d, 0x22, 0x78, 0x73, 0xd1 ) );
+
+/* http://point-at-infinity.org/ecc/nisttv k=2 (as base) to k=20 */
+ELLIPTIC_TEST ( poi_2_20, &p256_curve,
+		BASE ( 0x7c, 0xf2, 0x7b, 0x18, 0x8d, 0x03, 0x4f, 0x7e,
+		       0x8a, 0x52, 0x38, 0x03, 0x04, 0xb5, 0x1a, 0xc3,
+		       0xc0, 0x89, 0x69, 0xe2, 0x77, 0xf2, 0x1b, 0x35,
+		       0xa6, 0x0b, 0x48, 0xfc, 0x47, 0x66, 0x99, 0x78,
+		       0x07, 0x77, 0x55, 0x10, 0xdb, 0x8e, 0xd0, 0x40,
+		       0x29, 0x3d, 0x9a, 0xc6, 0x9f, 0x74, 0x30, 0xdb,
+		       0xba, 0x7d, 0xad, 0xe6, 0x3c, 0xe9, 0x82, 0x29,
+		       0x9e, 0x04, 0xb7, 0x9d, 0x22, 0x78, 0x73, 0xd1 ),
+		SCALAR ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a ),
+		EXPECTED ( 0x83, 0xa0, 0x1a, 0x93, 0x78, 0x39, 0x5b, 0xab,
+			   0x9b, 0xcd, 0x6a, 0x0a, 0xd0, 0x3c, 0xc5, 0x6d,
+			   0x56, 0xe6, 0xb1, 0x92, 0x50, 0x46, 0x5a, 0x94,
+			   0xa2, 0x34, 0xdc, 0x4c, 0x6b, 0x28, 0xda, 0x9a,
+			   0x76, 0xe4, 0x9b, 0x6d, 0xe2, 0xf7, 0x32, 0x34,
+			   0xae, 0x6a, 0x5e, 0xb9, 0xd6, 0x12, 0xb7, 0x5c,
+			   0x9f, 0x22, 0x02, 0xbb, 0x69, 0x23, 0xf5, 0x4f,
+			   0xf8, 0x24, 0x0a, 0xaa, 0x86, 0xf6, 0x40, 0xb8 ) );
+
+/* http://point-at-infinity.org/ecc/nisttv k=112233445566778899 */
+ELLIPTIC_TEST ( poi_mid, &p256_curve, BASE_GENERATOR,
+		SCALAR ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x01, 0x8e, 0xbb, 0xb9, 0x5e, 0xed, 0x0e, 0x13 ),
+		EXPECTED ( 0x33, 0x91, 0x50, 0x84, 0x4e, 0xc1, 0x52, 0x34,
+			   0x80, 0x7f, 0xe8, 0x62, 0xa8, 0x6b, 0xe7, 0x79,
+			   0x77, 0xdb, 0xfb, 0x3a, 0xe3, 0xd9, 0x6f, 0x4c,
+			   0x22, 0x79, 0x55, 0x13, 0xae, 0xaa, 0xb8, 0x2f,
+			   0xb1, 0xc1, 0x4d, 0xdf, 0xdc, 0x8e, 0xc1, 0xb2,
+			   0x58, 0x3f, 0x51, 0xe8, 0x5a, 0x5e, 0xb3, 0xa1,
+			   0x55, 0x84, 0x0f, 0x20, 0x34, 0x73, 0x0e, 0x9b,
+			   0x5a, 0xda, 0x38, 0xb6, 0x74, 0x33, 0x6a, 0x21 ) );
+
+/* http://point-at-infinity.org/ecc/nisttv k=<largest> */
+ELLIPTIC_TEST ( poi_large, &p256_curve, BASE_GENERATOR,
+		SCALAR ( 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
+			 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+			 0xbc, 0xe6, 0xfa, 0xad, 0xa7, 0x17, 0x9e, 0x84,
+			 0xf3, 0xb9, 0xca, 0xc2, 0xfc, 0x63, 0x25, 0x50 ),
+		EXPECTED ( 0x6b, 0x17, 0xd1, 0xf2, 0xe1, 0x2c, 0x42, 0x47,
+			   0xf8, 0xbc, 0xe6, 0xe5, 0x63, 0xa4, 0x40, 0xf2,
+			   0x77, 0x03, 0x7d, 0x81, 0x2d, 0xeb, 0x33, 0xa0,
+			   0xf4, 0xa1, 0x39, 0x45, 0xd8, 0x98, 0xc2, 0x96,
+			   0xb0, 0x1c, 0xbd, 0x1c, 0x01, 0xe5, 0x80, 0x65,
+			   0x71, 0x18, 0x14, 0xb5, 0x83, 0xf0, 0x61, 0xe9,
+			   0xd4, 0x31, 0xcc, 0xa9, 0x94, 0xce, 0xa1, 0x31,
+			   0x34, 0x49, 0xbf, 0x97, 0xc8, 0x40, 0xae, 0x0a ) );
+
+/* Invalid curve point zero */
+ELLIPTIC_TEST ( invalid_zero, &p256_curve,
+		BASE ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ),
+		SCALAR ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 ),
+		EXPECTED_FAIL );
+
+/* Invalid curve point (base_x, base_y - 1) */
+ELLIPTIC_TEST ( invalid_one, &p256_curve,
+		BASE ( 0x6b, 0x17, 0xd1, 0xf2, 0xe1, 0x2c, 0x42, 0x47,
+		       0xf8, 0xbc, 0xe6, 0xe5, 0x63, 0xa4, 0x40, 0xf2,
+		       0x77, 0x03, 0x7d, 0x81, 0x2d, 0xeb, 0x33, 0xa0,
+		       0xf4, 0xa1, 0x39, 0x45, 0xd8, 0x98, 0xc2, 0x96,
+		       0x4f, 0xe3, 0x42, 0xe2, 0xfe, 0x1a, 0x7f, 0x9b,
+		       0x8e, 0xe7, 0xeb, 0x4a, 0x7c, 0x0f, 0x9e, 0x16,
+		       0x2b, 0xce, 0x33, 0x57, 0x6b, 0x31, 0x5e, 0xce,
+		       0xcb, 0xb6, 0x40, 0x68, 0x37, 0xbf, 0x51, 0xf4 ),
+		SCALAR ( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 ),
+		EXPECTED_FAIL );
+
+/**
+ * Perform P-256 self-test
+ *
+ */
+static void p256_test_exec ( void ) {
+
+	/* Tests from http://point-at-infinity.org/ecc/nisttv */
+	elliptic_ok ( &poi_1 );
+	elliptic_ok ( &poi_2 );
+	elliptic_ok ( &poi_2_20 );
+	elliptic_ok ( &poi_mid );
+	elliptic_ok ( &poi_large );
+
+	/* Invalid point tests */
+	elliptic_ok ( &invalid_zero );
+	elliptic_ok ( &invalid_one );
+}
+
+/** P-256 self-test */
+struct self_test p256_test __self_test = {
+	.name = "p256",
+	.exec = p256_test_exec,
+};
diff --git a/src/tests/tests.c b/src/tests/tests.c
index 0e9b3e806..a1659fb29 100644
--- a/src/tests/tests.c
+++ b/src/tests/tests.c
@@ -86,3 +86,4 @@ REQUIRE_OBJECT ( des_test );
 REQUIRE_OBJECT ( mschapv2_test );
 REQUIRE_OBJECT ( uuid_test );
 REQUIRE_OBJECT ( editstring_test );
+REQUIRE_OBJECT ( p256_test );