From e1b665e1aab4acf04b3b3e6fd577602dc99d48b9 Mon Sep 17 00:00:00 2001
From: Paul Bakker
Date: Wed, 11 Dec 2013 16:02:58 +0100
Subject: [PATCH] Added POLARSSL_ECP_MAX_SIZE and POLARSSL_ECP_WINDOW_SIZE to
config.h
---
include/polarssl/config.h | 5 +++++
include/polarssl/ecp.h | 9 +++++++--
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 0b76f0853..b2c8d637a 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -1784,6 +1784,11 @@
#define CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
#define CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
+// ECP options
+//
+#define POLARSSL_ECP_MAX_BITS 521 /**< Maximum bit size of groups */
+#define POLARSSL_ECP_WINDOW_SIZE 6 /**< Maximum window size used */
+
// Entropy options
//
#define ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */
diff --git a/include/polarssl/ecp.h b/include/polarssl/ecp.h
index a1a37af24..2ab458aea 100644
--- a/include/polarssl/ecp.h
+++ b/include/polarssl/ecp.h
@@ -161,13 +161,17 @@ typedef struct
}
ecp_keypair;
+#if !defined(POLARSSL_CONFIG_OPTIONS)
/**
* Maximum size of the groups (that is, of N and P)
*/
-#define POLARSSL_ECP_MAX_BITS 521
+#define POLARSSL_ECP_MAX_BITS 521 /**< Maximum bit size of groups */
+#endif
+
#define POLARSSL_ECP_MAX_BYTES ( ( POLARSSL_ECP_MAX_BITS + 7 ) / 8 )
#define POLARSSL_ECP_MAX_PT_LEN ( 2 * POLARSSL_ECP_MAX_BYTES + 1 )
+#if !defined(POLARSSL_CONFIG_OPTIONS)
/*
* Maximum "window" size used for point multiplication.
* Default: 6.
@@ -178,7 +182,8 @@ ecp_keypair;
*
* Reduction in size may reduce speed for big curves.
*/
-#define POLARSSL_ECP_WINDOW_SIZE 6 /**< Maximum window size used. */
+#define POLARSSL_ECP_WINDOW_SIZE 6 /**< Maximum window size used */
+#endif
/*
* Point formats, from RFC 4492's enum ECPointFormat