ECC ciphersuite support
Submitted by: Douglas Stebila <douglas.stebila@sun.com>
(Authors: Vipul Gupta and Sumit Gupta, Sun Microsystems Laboratories)
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index dd6c7a7..a990bb1 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -108,6 +108,11 @@
* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
@@ -227,52 +232,56 @@
* that the different entities within are mutually exclusive:
* ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
*/
-#define SSL_MKEY_MASK 0x0000003FL
+#define SSL_MKEY_MASK 0x000000FFL
#define SSL_kRSA 0x00000001L /* RSA key exchange */
#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
#define SSL_kFZA 0x00000008L
#define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */
#define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */
+#define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */
+#define SSL_kECDHE 0x00000080L /* ephemeral ECDH */
#define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
-#define SSL_AUTH_MASK 0x00000FC0L
-#define SSL_aRSA 0x00000040L /* Authenticate with RSA */
-#define SSL_aDSS 0x00000080L /* Authenticate with DSS */
+#define SSL_AUTH_MASK 0x00007F00L
+#define SSL_aRSA 0x00000100L /* Authenticate with RSA */
+#define SSL_aDSS 0x00000200L /* Authenticate with DSS */
#define SSL_DSS SSL_aDSS
-#define SSL_aFZA 0x00000100L
-#define SSL_aNULL 0x00000200L /* no Authenticate, ADH */
-#define SSL_aDH 0x00000400L /* no Authenticate, ADH */
-#define SSL_aKRB5 0x00000800L /* Authenticate with KRB5 */
+#define SSL_aFZA 0x00000400L
+#define SSL_aNULL 0x00000800L /* no Authenticate, ADH */
+#define SSL_aDH 0x00001000L /* no Authenticate, ADH */
+#define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */
+#define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */
#define SSL_NULL (SSL_eNULL)
#define SSL_ADH (SSL_kEDH|SSL_aNULL)
#define SSL_RSA (SSL_kRSA|SSL_aRSA)
#define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH)
+#define SSL_ECDH (SSL_kECDH|SSL_kECDHE)
#define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
#define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
-#define SSL_ENC_MASK 0x0087F000L
-#define SSL_DES 0x00001000L
-#define SSL_3DES 0x00002000L
-#define SSL_RC4 0x00004000L
-#define SSL_RC2 0x00008000L
-#define SSL_IDEA 0x00010000L
-#define SSL_eFZA 0x00020000L
-#define SSL_eNULL 0x00040000L
-#define SSL_AES 0x00800000L
+#define SSL_ENC_MASK 0x043F8000L
+#define SSL_DES 0x00008000L
+#define SSL_3DES 0x00010000L
+#define SSL_RC4 0x00020000L
+#define SSL_RC2 0x00040000L
+#define SSL_IDEA 0x00080000L
+#define SSL_eFZA 0x00100000L
+#define SSL_eNULL 0x00200000L
+#define SSL_AES 0x04000000L
-#define SSL_MAC_MASK 0x00180000L
-#define SSL_MD5 0x00080000L
-#define SSL_SHA1 0x00100000L
+#define SSL_MAC_MASK 0x00c00000L
+#define SSL_MD5 0x00400000L
+#define SSL_SHA1 0x00800000L
#define SSL_SHA (SSL_SHA1)
-#define SSL_SSL_MASK 0x00600000L
-#define SSL_SSLV2 0x00200000L
-#define SSL_SSLV3 0x00400000L
+#define SSL_SSL_MASK 0x03000000L
+#define SSL_SSLV2 0x01000000L
+#define SSL_SSLV3 0x02000000L
#define SSL_TLSV1 SSL_SSLV3 /* for now */
-/* we have used 007fffff - 9 bits left to go */
+/* we have used 07ffffff - 5 bits left to go. */
/*
* Export and cipher strength information. For each cipher we have to decide
@@ -344,7 +353,8 @@
#define SSL_PKEY_DSA_SIGN 2
#define SSL_PKEY_DH_RSA 3
#define SSL_PKEY_DH_DSA 4
-#define SSL_PKEY_NUM 5
+#define SSL_PKEY_ECC 5
+#define SSL_PKEY_NUM 6
/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
* <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
@@ -360,6 +370,15 @@
#define CERT_PRIVATE_KEY 2
*/
+#ifndef OPENSSL_NO_EC
+/* From ECC-TLS draft, used in encoding the curve type in
+ * ECParameters
+ */
+#define EXPLICIT_PRIME_CURVE_TYPE 1
+#define EXPLICIT_CHAR2_CURVE_TYPE 2
+#define NAMED_CURVE_TYPE 3
+#endif /* OPENSSL_NO_EC */
+
typedef struct cert_pkey_st
{
X509 *x509;
@@ -386,6 +405,11 @@
DH *dh_tmp;
DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
+#ifndef OPENSSL_NO_ECDH
+ EC_KEY *ecdh_tmp;
+ /* Callback for generating ephemeral ECDH keys */
+ EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
+#endif
CERT_PKEY pkeys[SSL_PKEY_NUM];
@@ -411,6 +435,9 @@
#ifndef OPENSSL_NO_DH
DH *peer_dh_tmp; /* not used for SSL 2 */
#endif
+#ifndef OPENSSL_NO_ECDH
+ EC_KEY *peer_ecdh_tmp;
+#endif
int references; /* actually always 1 at the moment */
} SESS_CERT;
