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Changes to DEFAULT curves

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Change the ECC default curve list to be this, in order: x25519, secp256r1,
secp521r1, secp384r1, brainpoolP256r1, brainpoolP384r1, and brainpool512r1.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
This commit is contained in:
Rich Salz 2016-01-03 13:24:32 -05:00 committed by Rich Salz
parent b95779846d
commit ddb4c0477a
2 changed files with 12 additions and 24 deletions
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4
CHANGES
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@ -4,6 +4,10 @@
Changes between 1.0.2g and 1.1.0 [xx XXX xxxx] Changes between 1.0.2g and 1.1.0 [xx XXX xxxx]
*) Change the ECC default curve list to be this, in order: x25519,
secp256r1, secp521r1, secp384r1.
[Rich Salz]
*) RC4 based libssl ciphersuites are now classed as "weak" ciphers and are *) RC4 based libssl ciphersuites are now classed as "weak" ciphers and are
disabled by default. They can be re-enabled using the disabled by default. They can be re-enabled using the
enable-weak-ssl-ciphers option to Configure. enable-weak-ssl-ciphers option to Configure.

32
ssl/t1_lib.c
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@ -230,10 +230,9 @@ typedef struct {
/* /*
* Table of curve information. * Table of curve information.
* NB: do not delete entries or reorder this array. It is used as a lookup * Do not delete entries or reorder this array! It is used as a lookup
* table: the index of each entry is one less than the TLS curve id. * table: the index of each entry is one less than the TLS curve id.
*/ */
static const tls_curve_info nid_list[] = { static const tls_curve_info nid_list[] = {
{NID_sect163k1, 80, TLS_CURVE_CHAR2}, /* sect163k1 (1) */ {NID_sect163k1, 80, TLS_CURVE_CHAR2}, /* sect163k1 (1) */
{NID_sect163r1, 80, TLS_CURVE_CHAR2}, /* sect163r1 (2) */ {NID_sect163r1, 80, TLS_CURVE_CHAR2}, /* sect163r1 (2) */
@ -276,46 +275,31 @@ static const unsigned char ecformats_default[] = {
/* The default curves */ /* The default curves */
static const unsigned char eccurves_default[] = { static const unsigned char eccurves_default[] = {
0, 29, /* X25519 (29) */ 0, 29, /* X25519 (29) */
/* Prefer P-256 which has the fastest and most secure implementations. */
0, 23, /* secp256r1 (23) */ 0, 23, /* secp256r1 (23) */
/* Other >= 256-bit prime curves. */
0, 25, /* secp521r1 (25) */ 0, 25, /* secp521r1 (25) */
0, 28, /* brainpool512r1 (28) */
0, 27, /* brainpoolP384r1 (27) */
0, 24, /* secp384r1 (24) */ 0, 24, /* secp384r1 (24) */
0, 26, /* brainpoolP256r1 (26) */
0, 22, /* secp256k1 (22) */
/* >= 256-bit binary curves. */
0, 14, /* sect571r1 (14) */
0, 13, /* sect571k1 (13) */
0, 11, /* sect409k1 (11) */
0, 12, /* sect409r1 (12) */
0, 9, /* sect283k1 (9) */
0, 10, /* sect283r1 (10) */
}; };
static const unsigned char eccurves_all[] = { static const unsigned char eccurves_all[] = {
0, 29, /* X25519 (29) */ 0, 29, /* X25519 (29) */
/* Prefer P-256 which has the fastest and most secure implementations. */
0, 23, /* secp256r1 (23) */ 0, 23, /* secp256r1 (23) */
/* Other >= 256-bit prime curves. */
0, 25, /* secp521r1 (25) */ 0, 25, /* secp521r1 (25) */
0, 28, /* brainpool512r1 (28) */
0, 27, /* brainpoolP384r1 (27) */
0, 24, /* secp384r1 (24) */ 0, 24, /* secp384r1 (24) */
0, 26, /* brainpoolP256r1 (26) */ 0, 26, /* brainpoolP256r1 (26) */
0, 27, /* brainpoolP384r1 (27) */
0, 28, /* brainpool512r1 (28) */
/*
* Remaining curves disabled by default but still permitted if set
* via an explicit callback or parameters.
*/
0, 22, /* secp256k1 (22) */ 0, 22, /* secp256k1 (22) */
/* >= 256-bit binary curves. */
0, 14, /* sect571r1 (14) */ 0, 14, /* sect571r1 (14) */
0, 13, /* sect571k1 (13) */ 0, 13, /* sect571k1 (13) */
0, 11, /* sect409k1 (11) */ 0, 11, /* sect409k1 (11) */
0, 12, /* sect409r1 (12) */ 0, 12, /* sect409r1 (12) */
0, 9, /* sect283k1 (9) */ 0, 9, /* sect283k1 (9) */
0, 10, /* sect283r1 (10) */ 0, 10, /* sect283r1 (10) */
/*
* Remaining curves disabled by default but still permitted if set
* via an explicit callback or parameters.
*/
0, 20, /* secp224k1 (20) */ 0, 20, /* secp224k1 (20) */
0, 21, /* secp224r1 (21) */ 0, 21, /* secp224r1 (21) */
0, 18, /* secp192k1 (18) */ 0, 18, /* secp192k1 (18) */