From 8195c1a5678867fcaf67500c71584b6d92ff46b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?= <mpg@elzevir.fr>
Date: Mon, 7 Oct 2013 19:40:41 +0200
Subject: [PATCH] Add identifiers for Brainpool curves

---
 include/polarssl/config.h |  3 +++
 include/polarssl/ecp.h    |  5 ++++-
 library/ecp.c             | 25 +++++++++++++++++--------
 3 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index bd1234396..6208c426d 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -241,6 +241,9 @@
 #define POLARSSL_ECP_DP_SECP256R1_ENABLED
 #define POLARSSL_ECP_DP_SECP384R1_ENABLED
 #define POLARSSL_ECP_DP_SECP521R1_ENABLED
+#define POLARSSL_ECP_DP_BP256R1_ENABLED
+#define POLARSSL_ECP_DP_BP384R1_ENABLED
+#define POLARSSL_ECP_DP_BP512R1_ENABLED
 
 /**
  * \def POLARSSL_KEY_EXCHANGE_PSK_ENABLED
diff --git a/include/polarssl/ecp.h b/include/polarssl/ecp.h
index 0267cb07a..72e843c51 100644
--- a/include/polarssl/ecp.h
+++ b/include/polarssl/ecp.h
@@ -61,12 +61,15 @@ typedef enum
     POLARSSL_ECP_DP_SECP256R1,      /*!< 256-bits NIST curve  */
     POLARSSL_ECP_DP_SECP384R1,      /*!< 384-bits NIST curve  */
     POLARSSL_ECP_DP_SECP521R1,      /*!< 521-bits NIST curve  */
+    POLARSSL_ECP_DP_BP256R1,        /*!< 256-bits Brainpool curve */
+    POLARSSL_ECP_DP_BP384R1,        /*!< 384-bits Brainpool curve */
+    POLARSSL_ECP_DP_BP512R1,        /*!< 512-bits Brainpool curve */
 } ecp_group_id;
 
 /**
  * Number of supported curves (plus one for NONE)
  */
-#define POLARSSL_ECP_DP_MAX     6
+#define POLARSSL_ECP_DP_MAX     9
 
 /**
  * Curve information for use by other modules
diff --git a/library/ecp.c b/library/ecp.c
index c8ee3a76f..b344c81a3 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -70,28 +70,37 @@ unsigned long add_count, dbl_count;
 /*
  * List of supported curves:
  *  - internal ID
- *  - TLS NamedCurve ID (RFC 4492 section 5.1.1)
+ *  - TLS NamedCurve ID (RFC 4492 sec. 5.1.1, RFC 7071 sec. 2)
  *  - size in bits
- *  - readeble name
+ *  - readable name
  */
 const ecp_curve_info ecp_supported_curves[] =
 {
+#if defined(POLARSSL_ECP_DP_BP512R1_ENABLED)
+    { POLARSSL_ECP_DP_BP512R1,      28,     512,    "brainpool512r1"    },
+#endif
+#if defined(POLARSSL_ECP_DP_BP384R1_ENABLED)
+    { POLARSSL_ECP_DP_BP384R1,      27,     384,    "brainpool384r1"    },
+#endif
+#if defined(POLARSSL_ECP_DP_BP256R1_ENABLED)
+    { POLARSSL_ECP_DP_BP256R1,      26,     256,    "brainpool256r1"    },
+#endif
 #if defined(POLARSSL_ECP_DP_SECP521R1_ENABLED)
-    { POLARSSL_ECP_DP_SECP521R1,    25,     521,    "secp521r1" },
+    { POLARSSL_ECP_DP_SECP521R1,    25,     521,    "secp521r1"         },
 #endif
 #if defined(POLARSSL_ECP_DP_SECP384R1_ENABLED)
-    { POLARSSL_ECP_DP_SECP384R1,    24,     384,    "secp384r1" },
+    { POLARSSL_ECP_DP_SECP384R1,    24,     384,    "secp384r1"         },
 #endif
 #if defined(POLARSSL_ECP_DP_SECP256R1_ENABLED)
-    { POLARSSL_ECP_DP_SECP256R1,    23,     256,    "secp256r1" },
+    { POLARSSL_ECP_DP_SECP256R1,    23,     256,    "secp256r1"         },
 #endif
 #if defined(POLARSSL_ECP_DP_SECP224R1_ENABLED)
-    { POLARSSL_ECP_DP_SECP224R1,    21,     224,    "secp224r1" },
+    { POLARSSL_ECP_DP_SECP224R1,    21,     224,    "secp224r1"         },
 #endif
 #if defined(POLARSSL_ECP_DP_SECP192R1_ENABLED)
-    { POLARSSL_ECP_DP_SECP192R1,    19,     192,    "secp192r1" },
+    { POLARSSL_ECP_DP_SECP192R1,    19,     192,    "secp192r1"         },
 #endif
-    { POLARSSL_ECP_DP_NONE,          0,     0,      NULL        },
+    { POLARSSL_ECP_DP_NONE,          0,     0,      NULL                },
 };
 
 /*