diff options
author | Bodo Möller <bodo@openssl.org> | 2005-12-13 07:33:35 +0000 |
---|---|---|
committer | Bodo Möller <bodo@openssl.org> | 2005-12-13 07:33:35 +0000 |
commit | d56349a2aa0ef13487a230949990ed42421b4bc9 (patch) | |
tree | 900929532c411344ca332f26e4928568ac410b41 | |
parent | 67c03ff185fd9e4ecbd2b2d7ed551a5a5ad94c1f (diff) | |
download | openssl-d56349a2aa0ef13487a230949990ed42421b4bc9.tar.gz |
update TLS-ECC code
Submitted by: Douglas Stebila
-rw-r--r-- | CHANGES | 4 | ||||
-rwxr-xr-x | demos/ssltest-ecc/ssltest.sh | 17 | ||||
-rw-r--r-- | ssl/s3_clnt.c | 33 | ||||
-rw-r--r-- | ssl/s3_lib.c | 296 | ||||
-rw-r--r-- | ssl/s3_srvr.c | 35 | ||||
-rw-r--r-- | ssl/tls1.h | 103 |
6 files changed, 218 insertions, 270 deletions
@@ -73,6 +73,10 @@ Changes between 0.9.8a and 0.9.8b [XX xxx XXXX] + *) Update support for ECC-based TLS ciphersuites according to + draft-ietf-tls-ecc-12.txt with proposed changes. + [Douglas Stebila] + *) New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free() to support opaque EVP_CIPHER_CTX handling. [Steve Henson] diff --git a/demos/ssltest-ecc/ssltest.sh b/demos/ssltest-ecc/ssltest.sh index 2d6ff167f5..923ca43824 100755 --- a/demos/ssltest-ecc/ssltest.sh +++ b/demos/ssltest-ecc/ssltest.sh @@ -20,23 +20,23 @@ SSLTEST=$OPENSSL_DIR/test/ssltest SSLVERSION= # These don't really require any certificates -AECDH_CIPHER_LIST="EXP-AECDH-RC4-40-SHA EXP-AECDH-DES-40-CBC-SHA AECDH-DES-CBC3-SHA AECDH-DES-CBC-SHA AECDH-RC4-SHA AECDH-NULL-SHA" +AECDH_CIPHER_LIST="AECDH-AES256-SHA AECDH-AES128-SHA AECDH-DES-CBC3-SHA AECDH-RC4-SHA AECDH-NULL-SHA" # These require ECC certificates signed with ECDSA # The EC public key must be authorized for key agreement. -ECDH_ECDSA_CIPHER_LIST="EXP-ECDH-ECDSA-RC4-56-SHA EXP-ECDH-ECDSA-RC4-40-SHA ECDH-ECDSA-AES256-SHA ECDH-ECDSA-AES128-SHA ECDH-ECDSA-DES-CBC3-SHA ECDH-ECDSA-DES-CBC-SHA ECDH-ECDSA-RC4-SHA ECDH-ECDSA-NULL-SHA" +ECDH_ECDSA_CIPHER_LIST="ECDH-ECDSA-AES256-SHA ECDH-ECDSA-AES128-SHA ECDH-ECDSA-DES-CBC3-SHA ECDH-ECDSA-RC4-SHA ECDH-ECDSA-NULL-SHA" # These require ECC certificates. # The EC public key must be authorized for digital signature. -ECDHE_ECDSA_CIPHER_LIST="ECDHE-ECDSA-AES128-SHA" +ECDHE_ECDSA_CIPHER_LIST="ECDHE-ECDSA-AES256-SHA ECDHE-ECDSA-AES128-SHA ECDHE-ECDSA-DES-CBC3-SHA ECDHE-ECDSA-RC4-SHA ECDHE-ECDSA-NULL-SHA" # These require ECC certificates signed with RSA. # The EC public key must be authorized for key agreement. -ECDH_RSA_CIPHER_LIST="EXP-ECDH-RSA-RC4-56-SHA EXP-ECDH-RSA-RC4-40-SHA ECDH-RSA-AES256-SHA ECDH-RSA-AES128-SHA ECDH-RSA-DES-CBC3-SHA ECDH-RSA-DES-CBC-SHA ECDH-RSA-RC4-SHA ECDH-RSA-NULL-SHA" +ECDH_RSA_CIPHER_LIST="ECDH-RSA-AES256-SHA ECDH-RSA-AES128-SHA ECDH-RSA-DES-CBC3-SHA ECDH-RSA-RC4-SHA ECDH-RSA-NULL-SHA" # These require RSA certificates. # The RSA public key must be authorized for digital signature. -ECDHE_RSA_CIPHER_LIST="ECDHE-RSA-AES128-SHA" +ECDHE_RSA_CIPHER_LIST="ECDHE-RSA-AES256-SHA ECDHE-RSA-AES128-SHA ECDHE-RSA-DES-CBC3-SHA ECDHE-RSA-RC4-SHA ECDHE-RSA-NULL-SHA" # List of Elliptic curves over which we wish to test generation of # ephemeral ECDH keys when using AECDH or ECDHE ciphers @@ -78,9 +78,9 @@ done for curve in $ELLIPTIC_CURVE_LIST do - echo "Testing EXP-AECDH-RC4-40-SHA (with $curve)" + echo "Testing AECDH-RC4-SHA (with $curve)" $SSLTEST $SSL_VERSION -cert $SERVER_PEM \ - -named_curve $curve -cipher EXP-AECDH-RC4-40-SHA + -named_curve $curve -cipher AECDH-RC4-SHA done fi @@ -167,6 +167,9 @@ if [ "$1" = "ecdhe-rsa" ]; then for cipher in $ECDHE_RSA_CIPHER_LIST do echo "Testing $cipher (with server authentication)" + echo $SSLTEST $SSL_VERSION -CAfile $CA_PEM \ + -cert $SERVER_PEM -server_auth \ + -cipher $cipher -named_curve $DEFAULT_CURVE $SSLTEST $SSL_VERSION -CAfile $CA_PEM \ -cert $SERVER_PEM -server_auth \ -cipher $cipher -named_curve $DEFAULT_CURVE diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c index 3e1f256c26..0098f56178 100644 --- a/ssl/s3_clnt.c +++ b/ssl/s3_clnt.c @@ -1213,12 +1213,12 @@ int ssl3_get_key_exchange(SSL *s) */ /* XXX: For now we only support named (not generic) curves - * and the ECParameters in this case is just two bytes. + * and the ECParameters in this case is just three bytes. */ - param_len=2; + param_len=3; if ((param_len > n) || (*p != NAMED_CURVE_TYPE) || - ((curve_nid = curve_id2nid(*(p + 1))) == 0)) + ((curve_nid = curve_id2nid(*(p + 2))) == 0)) { al=SSL_AD_INTERNAL_ERROR; SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS); @@ -1248,7 +1248,7 @@ int ssl3_get_key_exchange(SSL *s) goto f_err; } - p+=2; + p+=3; /* Next, get the encoded ECPoint */ if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) || @@ -1616,22 +1616,6 @@ int ssl3_get_server_done(SSL *s) } -#ifndef OPENSSL_NO_ECDH -static const int KDF1_SHA1_len = 20; -static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) - { -#ifndef OPENSSL_NO_SHA - if (*outlen < SHA_DIGEST_LENGTH) - return NULL; - else - *outlen = SHA_DIGEST_LENGTH; - return SHA1(in, inlen, out); -#else - return NULL; -#endif /* OPENSSL_NO_SHA */ - } -#endif /* OPENSSL_NO_ECDH */ - int ssl3_send_client_key_exchange(SSL *s) { unsigned char *p,*d; @@ -2029,14 +2013,7 @@ int ssl3_send_client_key_exchange(SSL *s) ERR_R_ECDH_LIB); goto err; } - /* If field size is not more than 24 octets, then use SHA-1 hash of result; - * otherwise, use result (see section 4.8 of draft-ietf-tls-ecc-03.txt; - * this is new with this version of the Internet Draft). - */ - if (field_size <= 24 * 8) - n=ECDH_compute_key(p, KDF1_SHA1_len, srvr_ecpoint, clnt_ecdh, KDF1_SHA1); - else - n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL); + n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL); if (n <= 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c index 5a3e41f2f8..791c5e987c 100644 --- a/ssl/s3_lib.c +++ b/ssl/s3_lib.c @@ -900,8 +900,9 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_CIPHERS, SSL_ALL_STRENGTHS, }, + #ifndef OPENSSL_NO_ECDH - /* Cipher 47 */ + /* Cipher C001 */ { 1, TLS1_TXT_ECDH_ECDSA_WITH_NULL_SHA, @@ -915,7 +916,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 48 */ + /* Cipher C002 */ { 1, TLS1_TXT_ECDH_ECDSA_WITH_RC4_128_SHA, @@ -929,21 +930,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 49 */ - { - 1, - TLS1_TXT_ECDH_ECDSA_WITH_DES_CBC_SHA, - TLS1_CK_ECDH_ECDSA_WITH_DES_CBC_SHA, - SSL_kECDH|SSL_aECDSA|SSL_DES|SSL_SHA|SSL_TLSV1, - SSL_NOT_EXP|SSL_LOW, - 0, - 56, - 56, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, - }, - - /* Cipher 4A */ + /* Cipher C003 */ { 1, TLS1_TXT_ECDH_ECDSA_WITH_DES_192_CBC3_SHA, @@ -957,7 +944,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 4B */ + /* Cipher C004 */ { 1, TLS1_TXT_ECDH_ECDSA_WITH_AES_128_CBC_SHA, @@ -971,7 +958,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 4C */ + /* Cipher C005 */ { 1, TLS1_TXT_ECDH_ECDSA_WITH_AES_256_CBC_SHA, @@ -985,12 +972,12 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 4D */ + /* Cipher C006 */ { 1, - TLS1_TXT_ECDH_RSA_WITH_NULL_SHA, - TLS1_CK_ECDH_RSA_WITH_NULL_SHA, - SSL_kECDH|SSL_aRSA|SSL_eNULL|SSL_SHA|SSL_TLSV1, + TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA, + TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA, + SSL_kECDHE|SSL_aECDSA|SSL_eNULL|SSL_SHA|SSL_TLSV1, SSL_NOT_EXP, 0, 0, @@ -999,12 +986,12 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 4E */ + /* Cipher C007 */ { 1, - TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA, - TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA, - SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1, + TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA, + TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA, + SSL_kECDHE|SSL_aECDSA|SSL_RC4|SSL_SHA|SSL_TLSV1, SSL_NOT_EXP, 0, 128, @@ -1013,21 +1000,77 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 4F */ + /* Cipher C008 */ + { + 1, + TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, + TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, + SSL_kECDHE|SSL_aECDSA|SSL_3DES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, + 0, + 168, + 168, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C009 */ + { + 1, + TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, + TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, + SSL_kECDHE|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, + 0, + 128, + 128, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C00A */ { 1, - TLS1_TXT_ECDH_RSA_WITH_DES_CBC_SHA, - TLS1_CK_ECDH_RSA_WITH_DES_CBC_SHA, - SSL_kECDH|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1, - SSL_NOT_EXP|SSL_LOW, + TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, + TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, + SSL_kECDHE|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, 0, - 56, - 56, + 256, + 256, SSL_ALL_CIPHERS, SSL_ALL_STRENGTHS, }, - /* Cipher 50 */ + /* Cipher C00B */ + { + 1, + TLS1_TXT_ECDH_RSA_WITH_NULL_SHA, + TLS1_CK_ECDH_RSA_WITH_NULL_SHA, + SSL_kECDH|SSL_aRSA|SSL_eNULL|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP, + 0, + 0, + 0, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C00C */ + { + 1, + TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA, + TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA, + SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP, + 0, + 128, + 128, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C00D */ { 1, TLS1_TXT_ECDH_RSA_WITH_DES_192_CBC3_SHA, @@ -1041,7 +1084,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 51 */ + /* Cipher C00E */ { 1, TLS1_TXT_ECDH_RSA_WITH_AES_128_CBC_SHA, @@ -1055,7 +1098,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 52 */ + /* Cipher C00F */ { 1, TLS1_TXT_ECDH_RSA_WITH_AES_256_CBC_SHA, @@ -1069,35 +1112,77 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 53 */ + /* Cipher C010 */ { 1, - TLS1_TXT_ECDH_RSA_EXPORT_WITH_RC4_40_SHA, - TLS1_CK_ECDH_RSA_EXPORT_WITH_RC4_40_SHA, - SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1, - SSL_EXPORT|SSL_EXP40, + TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA, + TLS1_CK_ECDHE_RSA_WITH_NULL_SHA, + SSL_kECDHE|SSL_aRSA|SSL_eNULL|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP, + 0, + 0, + 0, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C011 */ + { + 1, + TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA, + TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA, + SSL_kECDHE|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP, 0, - 40, + 128, 128, SSL_ALL_CIPHERS, SSL_ALL_STRENGTHS, }, - /* Cipher 54 */ + /* Cipher C012 */ { 1, - TLS1_TXT_ECDH_RSA_EXPORT_WITH_RC4_56_SHA, - TLS1_CK_ECDH_RSA_EXPORT_WITH_RC4_56_SHA, - SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1, - SSL_EXPORT|SSL_EXP56, + TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA, + TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA, + SSL_kECDHE|SSL_aRSA|SSL_3DES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, + 0, + 168, + 168, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C013 */ + { + 1, + TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA, + TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, + SSL_kECDHE|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, 0, - 56, 128, + 128, + SSL_ALL_CIPHERS, + SSL_ALL_STRENGTHS, + }, + + /* Cipher C014 */ + { + 1, + TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA, + TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, + SSL_kECDHE|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, + 0, + 256, + 256, SSL_ALL_CIPHERS, SSL_ALL_STRENGTHS, }, - /* Cipher 55 */ + /* Cipher C015 */ { 1, TLS1_TXT_ECDH_anon_WITH_NULL_SHA, @@ -1111,7 +1196,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 56 */ + /* Cipher C016 */ { 1, TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA, @@ -1125,21 +1210,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 57 */ - { - 1, - TLS1_TXT_ECDH_anon_WITH_DES_CBC_SHA, - TLS1_CK_ECDH_anon_WITH_DES_CBC_SHA, - SSL_kECDHE|SSL_aNULL|SSL_DES|SSL_SHA|SSL_TLSV1, - SSL_NOT_EXP|SSL_LOW, - 0, - 56, - 56, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, - }, - - /* Cipher 58 */ + /* Cipher C017 */ { 1, TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA, @@ -1153,63 +1224,33 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ SSL_ALL_STRENGTHS, }, - /* Cipher 59 */ + /* Cipher C018 */ { 1, - TLS1_TXT_ECDH_anon_EXPORT_WITH_DES_40_CBC_SHA, - TLS1_CK_ECDH_anon_EXPORT_WITH_DES_40_CBC_SHA, - SSL_kECDHE|SSL_aNULL|SSL_DES|SSL_SHA|SSL_TLSV1, - SSL_EXPORT|SSL_EXP40, - 0, - 40, - 56, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, - }, - - /* Cipher 5A */ - { - 1, - TLS1_TXT_ECDH_anon_EXPORT_WITH_RC4_40_SHA, - TLS1_CK_ECDH_anon_EXPORT_WITH_RC4_40_SHA, - SSL_kECDHE|SSL_aNULL|SSL_RC4|SSL_SHA|SSL_TLSV1, - SSL_EXPORT|SSL_EXP40, + TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA, + TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA, + SSL_kECDHE|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, 0, - 40, 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, - }, - /* Cipher 5B */ - /* XXX NOTE: The ECC/TLS draft has a bug and reuses 4B for this */ - { - 1, - TLS1_TXT_ECDH_ECDSA_EXPORT_WITH_RC4_40_SHA, - TLS1_CK_ECDH_ECDSA_EXPORT_WITH_RC4_40_SHA, - SSL_kECDH|SSL_aECDSA|SSL_RC4|SSL_SHA|SSL_TLSV1, - SSL_EXPORT|SSL_EXP40, - 0, - 40, 128, SSL_ALL_CIPHERS, SSL_ALL_STRENGTHS, }, - /* Cipher 5C */ - /* XXX NOTE: The ECC/TLS draft has a bug and reuses 4C for this */ + /* Cipher C019 */ { 1, - TLS1_TXT_ECDH_ECDSA_EXPORT_WITH_RC4_56_SHA, - TLS1_CK_ECDH_ECDSA_EXPORT_WITH_RC4_56_SHA, - SSL_kECDH|SSL_aECDSA|SSL_RC4|SSL_SHA|SSL_TLSV1, - SSL_EXPORT|SSL_EXP56, + TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA, + TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA, + SSL_kECDHE|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1, + SSL_NOT_EXP|SSL_HIGH, 0, - 56, - 128, + 256, + 256, SSL_ALL_CIPHERS, SSL_ALL_STRENGTHS, }, - #endif /* OPENSSL_NO_ECDH */ #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES @@ -1309,45 +1350,6 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={ }, #endif -#ifndef OPENSSL_NO_ECDH - /* Cipher 77 XXX: ECC ciphersuites offering forward secrecy - * are not yet specified in the ECC/TLS draft but our code - * allows them to be implemented very easily. To add such - * a cipher suite, one needs to add two constant definitions - * to tls1.h and a new structure in this file as shown below. We - * illustrate the process for the made-up cipher - * ECDHE-ECDSA-AES128-SHA. - */ - { - 1, - TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, - TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, - SSL_kECDHE|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1, - SSL_NOT_EXP|SSL_HIGH, - 0, - 128, - 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, - }, - - /* Cipher 78 XXX: Another made-up ECC cipher suite that - * offers forward secrecy (ECDHE-RSA-AES128-SHA). - */ - { - 1, - TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA, - TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, - SSL_kECDHE|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1, - SSL_NOT_EXP|SSL_HIGH, - 0, - 128, - 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, - }, -#endif /* !OPENSSL_NO_ECDH */ - /* end of list */ }; diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c index ee0ac436d0..18030842b8 100644 --- a/ssl/s3_srvr.c +++ b/ssl/s3_srvr.c @@ -1366,11 +1366,11 @@ int ssl3_send_server_key_exchange(SSL *s) /* XXX: For now, we only support named (not * generic) curves in ECDH ephemeral key exchanges. - * In this situation, we need three additional bytes + * In this situation, we need four additional bytes * to encode the entire ServerECDHParams * structure. */ - n = 3 + encodedlen; + n = 4 + encodedlen; /* We'll generate the serverKeyExchange message * explicitly so we can set these to NULLs @@ -1378,6 +1378,7 @@ int ssl3_send_server_key_exchange(SSL *s) r[0]=NULL; r[1]=NULL; r[2]=NULL; + r[3]=NULL; } else #endif /* !OPENSSL_NO_ECDH */ @@ -1428,12 +1429,14 @@ int ssl3_send_server_key_exchange(SSL *s) { /* XXX: For now, we only support named (not generic) curves. * In this situation, the serverKeyExchange message has: - * [1 byte CurveType], [1 byte CurveName] + * [1 byte CurveType], [2 byte CurveName] * [1 byte length of encoded point], followed by * the actual encoded point itself */ *p = NAMED_CURVE_TYPE; p += 1; + *p = 0; + p += 1; *p = curve_id; p += 1; *p = encodedlen; @@ -1637,23 +1640,6 @@ err: return(-1); } - -#ifndef OPENSSL_NO_ECDH -static const int KDF1_SHA1_len = 20; -static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) - { -#ifndef OPENSSL_NO_SHA - if (*outlen < SHA_DIGEST_LENGTH) - return NULL; - else - *outlen = SHA_DIGEST_LENGTH; - return SHA1(in, inlen, out); -#else - return NULL; -#endif /* OPENSSL_NO_SHA */ - } -#endif /* OPENSSL_NO_ECDH */ - int ssl3_get_client_key_exchange(SSL *s) { int i,al,ok; @@ -2156,14 +2142,7 @@ int ssl3_get_client_key_exchange(SSL *s) ERR_R_ECDH_LIB); goto err; } - /* If field size is not more than 24 octets, then use SHA-1 hash of result; - * otherwise, use result (see section 4.8 of draft-ietf-tls-ecc-03.txt; - * this is new with this version of the Internet Draft). - */ - if (field_size <= 24 * 8) - i = ECDH_compute_key(p, KDF1_SHA1_len, clnt_ecpoint, srvr_ecdh, KDF1_SHA1); - else - i = ECDH_compute_key(p, (field_size+7)/8, clnt_ecpoint, srvr_ecdh, NULL); + i = ECDH_compute_key(p, (field_size+7)/8, clnt_ecpoint, srvr_ecdh, NULL); if (i <= 0) { SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE, diff --git a/ssl/tls1.h b/ssl/tls1.h index 112ef3a99f..e7eaa835db 100644 --- a/ssl/tls1.h +++ b/ssl/tls1.h @@ -126,51 +126,36 @@ extern "C" { #define TLS1_CK_DHE_RSA_WITH_AES_256_SHA 0x03000039 #define TLS1_CK_ADH_WITH_AES_256_SHA 0x0300003A -/* ECC ciphersuites from draft-ietf-tls-ecc-01.txt (Mar 15, 2001). - * XXX NOTE: There is a bug in the draft, cipher numbers 4B, and 4C - * are defined twice so we define ECDH_ECDSA_EXPORT cipher - * suites to use 5B and 5C instead (this may change with future - * updates to the IETF draft). - */ -/* draft-ietf-tls-ecc-03.txt (June 2003) gives a changed list of - * ciphersuites, but does not define numbers for all of them - * because of possible conflicts with other Internet Drafts; - * most numbers are still subject to change. */ -#define TLS1_CK_ECDH_ECDSA_WITH_NULL_SHA 0x03000047 -#define TLS1_CK_ECDH_ECDSA_WITH_RC4_128_SHA 0x03000048 -#define TLS1_CK_ECDH_ECDSA_WITH_DES_CBC_SHA 0x03000049 -#define TLS1_CK_ECDH_ECDSA_WITH_DES_192_CBC3_SHA 0x0300004A -#define TLS1_CK_ECDH_ECDSA_WITH_AES_128_CBC_SHA 0x0300004B -#define TLS1_CK_ECDH_ECDSA_WITH_AES_256_CBC_SHA 0x0300004C -#define TLS1_CK_ECDH_ECDSA_EXPORT_WITH_RC4_40_SHA 0x0300005B -#define TLS1_CK_ECDH_ECDSA_EXPORT_WITH_RC4_56_SHA 0x0300005C +/* ECC ciphersuites from draft-ietf-tls-ecc-12.txt with changes soon to be in draft 13 */ +#define TLS1_CK_ECDH_ECDSA_WITH_NULL_SHA 0x0300C001 +#define TLS1_CK_ECDH_ECDSA_WITH_RC4_128_SHA 0x0300C002 +#define TLS1_CK_ECDH_ECDSA_WITH_DES_192_CBC3_SHA 0x0300C003 +#define TLS1_CK_ECDH_ECDSA_WITH_AES_128_CBC_SHA 0x0300C004 +#define TLS1_CK_ECDH_ECDSA_WITH_AES_256_CBC_SHA 0x0300C005 -#define TLS1_CK_ECDH_RSA_WITH_NULL_SHA 0x0300004D -#define TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA 0x0300004E -#define TLS1_CK_ECDH_RSA_WITH_DES_CBC_SHA 0x0300004F -#define TLS1_CK_ECDH_RSA_WITH_DES_192_CBC3_SHA 0x03000050 -#define TLS1_CK_ECDH_RSA_WITH_AES_128_CBC_SHA 0x03000051 -#define TLS1_CK_ECDH_RSA_WITH_AES_256_CBC_SHA 0x03000052 -#define TLS1_CK_ECDH_RSA_EXPORT_WITH_RC4_40_SHA 0x03000053 -#define TLS1_CK_ECDH_RSA_EXPORT_WITH_RC4_56_SHA 0x03000054 +#define TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA 0x0300C006 +#define TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA 0x0300C007 +#define TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA 0x0300C008 +#define TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 0x0300C009 +#define TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 0x0300C00A -#define TLS1_CK_ECDH_anon_WITH_NULL_SHA 0x03000055 -#define TLS1_CK_ECDH_anon_WITH_RC4_128_SHA 0x03000056 -#define TLS1_CK_ECDH_anon_WITH_DES_CBC_SHA 0x03000057 -#define TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA 0x03000058 -#define TLS1_CK_ECDH_anon_EXPORT_WITH_DES_40_CBC_SHA 0x03000059 -#define TLS1_CK_ECDH_anon_EXPORT_WITH_RC4_40_SHA 0x0300005A +#define TLS1_CK_ECDH_RSA_WITH_NULL_SHA 0x0300C00B +#define TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA 0x0300C00C +#define TLS1_CK_ECDH_RSA_WITH_DES_192_CBC3_SHA 0x0300C00D +#define TLS1_CK_ECDH_RSA_WITH_AES_128_CBC_SHA 0x0300C00E +#define TLS1_CK_ECDH_RSA_WITH_AES_256_CBC_SHA 0x0300C00F -/* XXX: ECC ciphersuites offering forward secrecy are not yet specified - * in the ECC/TLS draft but our code allows them to be implemented - * very easily. To add such a cipher suite, one needs to add two constant - * definitions to this file and a new structure in s3_lib.c. We illustrate - * the process for the made-up ciphers ECDHE-ECDSA-AES128-SHA and - * ECDHE-RSA-AES128-SHA. - */ -#define TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 0x03000077 -#define TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA 0x03000078 +#define TLS1_CK_ECDHE_RSA_WITH_NULL_SHA 0x0300C010 +#define TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA 0x0300C011 +#define TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA 0x0300C012 +#define TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA 0x0300C013 +#define TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA 0x0300C014 +#define TLS1_CK_ECDH_anon_WITH_NULL_SHA 0x0300C015 +#define TLS1_CK_ECDH_anon_WITH_RC4_128_SHA 0x0300C016 +#define TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA 0x0300C017 +#define TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA 0x0300C018 +#define TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA 0x0300C019 /* XXX * Inconsistency alert: @@ -205,43 +190,41 @@ extern "C" { /* ECC ciphersuites from draft-ietf-tls-ecc-01.txt (Mar 15, 2001) */ #define TLS1_TXT_ECDH_ECDSA_WITH_NULL_SHA "ECDH-ECDSA-NULL-SHA" #define TLS1_TXT_ECDH_ECDSA_WITH_RC4_128_SHA "ECDH-ECDSA-RC4-SHA" -#define TLS1_TXT_ECDH_ECDSA_WITH_DES_CBC_SHA "ECDH-ECDSA-DES-CBC-SHA" #define TLS1_TXT_ECDH_ECDSA_WITH_DES_192_CBC3_SHA "ECDH-ECDSA-DES-CBC3-SHA" #define TLS1_TXT_ECDH_ECDSA_WITH_AES_128_CBC_SHA "ECDH-ECDSA-AES128-SHA" #define TLS1_TXT_ECDH_ECDSA_WITH_AES_256_CBC_SHA "ECDH-ECDSA-AES256-SHA" -#define TLS1_TXT_ECDH_ECDSA_EXPORT_WITH_RC4_40_SHA "EXP-ECDH-ECDSA-RC4-40-SHA" -#define TLS1_TXT_ECDH_ECDSA_EXPORT_WITH_RC4_56_SHA "EXP-ECDH-ECDSA-RC4-56-SHA" + +#define TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA "ECDHE-ECDSA-NULL-SHA" +#define TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA "ECDHE-ECDSA-RC4-SHA" +#define TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA "ECDHE-ECDSA-DES-CBC3-SHA" +#define TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA "ECDHE-ECDSA-AES128-SHA" +#define TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA "ECDHE-ECDSA-AES256-SHA" #define TLS1_TXT_ECDH_RSA_WITH_NULL_SHA "ECDH-RSA-NULL-SHA" #define TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA "ECDH-RSA-RC4-SHA" -#define TLS1_TXT_ECDH_RSA_WITH_DES_CBC_SHA "ECDH-RSA-DES-CBC-SHA" #define TLS1_TXT_ECDH_RSA_WITH_DES_192_CBC3_SHA "ECDH-RSA-DES-CBC3-SHA" #define TLS1_TXT_ECDH_RSA_WITH_AES_128_CBC_SHA "ECDH-RSA-AES128-SHA" #define TLS1_TXT_ECDH_RSA_WITH_AES_256_CBC_SHA "ECDH-RSA-AES256-SHA" -#define TLS1_TXT_ECDH_RSA_EXPORT_WITH_RC4_40_SHA "EXP-ECDH-RSA-RC4-40-SHA" -#define TLS1_TXT_ECDH_RSA_EXPORT_WITH_RC4_56_SHA "EXP-ECDH-RSA-RC4-56-SHA" + +#define TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA "ECDHE-RSA-NULL-SHA" +#define TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA "ECDHE-RSA-RC4-SHA" +#define TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA "ECDHE-RSA-DES-CBC3-SHA" +#define TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA "ECDHE-RSA-AES128-SHA" +#define TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA "ECDHE-RSA-AES256-SHA" #define TLS1_TXT_ECDH_anon_WITH_NULL_SHA "AECDH-NULL-SHA" #define TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA "AECDH-RC4-SHA" -#define TLS1_TXT_ECDH_anon_WITH_DES_CBC_SHA "AECDH-DES-CBC-SHA" #define TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA "AECDH-DES-CBC3-SHA" -#define TLS1_TXT_ECDH_anon_EXPORT_WITH_DES_40_CBC_SHA "EXP-AECDH-DES-40-CBC-SHA" -#define TLS1_TXT_ECDH_anon_EXPORT_WITH_RC4_40_SHA "EXP-AECDH-RC4-40-SHA" - -/* XXX: Made-up ECC cipher suites offering forward secrecy. This is for - * illustration only. - */ -#define TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA "ECDHE-ECDSA-AES128-SHA" -#define TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA "ECDHE-RSA-AES128-SHA" - +#define TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA "AECDH-AES128-SHA" +#define TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA "AECDH-AES256-SHA" #define TLS_CT_RSA_SIGN 1 #define TLS_CT_DSS_SIGN 2 #define TLS_CT_RSA_FIXED_DH 3 #define TLS_CT_DSS_FIXED_DH 4 -#define TLS_CT_ECDSA_SIGN 5 -#define TLS_CT_RSA_FIXED_ECDH 6 -#define TLS_CT_ECDSA_FIXED_ECDH 7 +#define TLS_CT_ECDSA_SIGN 64 +#define TLS_CT_RSA_FIXED_ECDH 65 +#define TLS_CT_ECDSA_FIXED_ECDH 66 #define TLS_CT_NUMBER 7 #define TLS1_FINISH_MAC_LENGTH 12 |