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| 1 diff -burN android-openssl.orig/ssl/t1_lib.c android-openssl/ssl/t1_lib.c |
| 2 --- android-openssl.orig/ssl/t1_lib.c 2013-06-21 14:24:45.338681810 -0700 |
| 3 +++ android-openssl/ssl/t1_lib.c 2013-06-21 14:34:07.977205221 -0700 |
| 4 @@ -202,33 +202,14 @@ |
| 5 NID_secp521r1 /* secp521r1 (25) */ |
| 6 }; |
| 7 |
| 8 +/* We support only the elliptic curves that are also supported by NSS |
| 9 + * to improve compatibility with sites that don't accept large ClientHellos. |
| 10 + */ |
| 11 static int pref_list[] = |
| 12 { |
| 13 - NID_sect571r1, /* sect571r1 (14) */ |
| 14 - NID_sect571k1, /* sect571k1 (13) */ |
| 15 NID_secp521r1, /* secp521r1 (25) */ |
| 16 - NID_sect409k1, /* sect409k1 (11) */ |
| 17 - NID_sect409r1, /* sect409r1 (12) */ |
| 18 NID_secp384r1, /* secp384r1 (24) */ |
| 19 - NID_sect283k1, /* sect283k1 (9) */ |
| 20 - NID_sect283r1, /* sect283r1 (10) */ |
| 21 - NID_secp256k1, /* secp256k1 (22) */ |
| 22 NID_X9_62_prime256v1, /* secp256r1 (23) */ |
| 23 - NID_sect239k1, /* sect239k1 (8) */ |
| 24 - NID_sect233k1, /* sect233k1 (6) */ |
| 25 - NID_sect233r1, /* sect233r1 (7) */ |
| 26 - NID_secp224k1, /* secp224k1 (20) */ |
| 27 - NID_secp224r1, /* secp224r1 (21) */ |
| 28 - NID_sect193r1, /* sect193r1 (4) */ |
| 29 - NID_sect193r2, /* sect193r2 (5) */ |
| 30 - NID_secp192k1, /* secp192k1 (18) */ |
| 31 - NID_X9_62_prime192v1, /* secp192r1 (19) */ |
| 32 - NID_sect163k1, /* sect163k1 (1) */ |
| 33 - NID_sect163r1, /* sect163r1 (2) */ |
| 34 - NID_sect163r2, /* sect163r2 (3) */ |
| 35 - NID_secp160k1, /* secp160k1 (15) */ |
| 36 - NID_secp160r1, /* secp160r1 (16) */ |
| 37 - NID_secp160r2, /* secp160r2 (17) */ |
| 38 }; |
| 39 |
| 40 int tls1_ec_curve_id2nid(int curve_id) |
| 41 @@ -1703,17 +1684,18 @@ |
| 42 if (using_ecc) |
| 43 { |
| 44 if (s->tlsext_ecpointformatlist != NULL) OPENSSL_free(s->tlsext_
ecpointformatlist); |
| 45 - if ((s->tlsext_ecpointformatlist = OPENSSL_malloc(3)) == NULL) |
| 46 + /* To save an additional 2 bytes in the ClientHello, we only adv
ertise support |
| 47 + * for the only EC Point Format that NSS supports (instead of al
l 3). |
| 48 + */ |
| 49 + if ((s->tlsext_ecpointformatlist = OPENSSL_malloc(1)) == NULL) |
| 50 { |
| 51 SSLerr(SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT,ERR_R_MALLOC
_FAILURE); |
| 52 return -1; |
| 53 } |
| 54 - s->tlsext_ecpointformatlist_length = 3; |
| 55 + s->tlsext_ecpointformatlist_length = 1; |
| 56 s->tlsext_ecpointformatlist[0] = TLSEXT_ECPOINTFORMAT_uncompress
ed; |
| 57 - s->tlsext_ecpointformatlist[1] = TLSEXT_ECPOINTFORMAT_ansiX962_c
ompressed_prime; |
| 58 - s->tlsext_ecpointformatlist[2] = TLSEXT_ECPOINTFORMAT_ansiX962_c
ompressed_char2; |
| 59 |
| 60 - /* we support all named elliptic curves in draft-ietf-tls-ecc-12
*/ |
| 61 + /* we only advertise support for elliptic curves in NSA Suite B
*/ |
| 62 if (s->tlsext_ellipticcurvelist != NULL) OPENSSL_free(s->tlsext_
ellipticcurvelist); |
| 63 s->tlsext_ellipticcurvelist_length = sizeof(pref_list)/sizeof(pr
ef_list[0]) * 2; |
| 64 if ((s->tlsext_ellipticcurvelist = OPENSSL_malloc(s->tlsext_elli
pticcurvelist_length)) == NULL) |
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