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Adds new `wc_ecc_get_curve_params` API for getting the `ecc_set_type` params for a curve index. Fix for example client and server using wrong macro for detecting ECC 256-bit enabled.

pull/2374/head
David Garske 2019-07-24 10:35:33 -07:00
parent c400c38588
commit b4673344c0
4 changed files with 20 additions and 7 deletions
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4
examples/client/client.c
View File

@ -248,7 +248,7 @@ static void SetKeyShare(WOLFSSL* ssl, int onlyKeyShare, int useX25519)
#endif
{
#ifdef HAVE_ECC
#if defined(HAVE_ECC256) || defined(HAVE_ALL_CURVES)
#if !defined(NO_ECC256) || defined(HAVE_ALL_CURVES)
groups[count++] = WOLFSSL_ECC_SECP256R1;
if (wolfSSL_UseKeyShare(ssl, WOLFSSL_ECC_SECP256R1)
!= WOLFSSL_SUCCESS) {
@ -2582,7 +2582,7 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
}
#endif
#ifdef HAVE_ECC
#if defined(HAVE_ECC256) || defined(HAVE_ALL_CURVES)
#if !defined(NO_ECC256) || defined(HAVE_ALL_CURVES)
if (wolfSSL_UseKeyShare(ssl, WOLFSSL_ECC_SECP256R1)
!= WOLFSSL_SUCCESS) {
err_sys("unable to use curve secp256r1");

2
examples/server/server.c
View File

@ -1948,7 +1948,7 @@ THREAD_RETURN WOLFSSL_THREAD server_test(void* args)
else
{
#ifdef HAVE_ECC
#if defined(HAVE_ECC256) || defined(HAVE_ALL_CURVES)
#if !defined(NO_ECC256) || defined(HAVE_ALL_CURVES)
int groups[1] = { WOLFSSL_ECC_SECP256R1 };
if (wolfSSL_UseKeyShare(ssl, WOLFSSL_ECC_SECP256R1)

11
wolfcrypt/src/ecc.c
View File

@ -3395,6 +3395,17 @@ int wc_ecc_get_curve_id_from_oid(const byte* oid, word32 len)
return ecc_sets[curve_idx].id;
}
/* Get curve parameters using curve index */
const ecc_set_type* wc_ecc_get_curve_params(int curve_idx)
{
const ecc_set_type* ecc_set = NULL;
if (curve_idx >= 0 && curve_idx < (int)ECC_SET_COUNT) {
ecc_set = &ecc_sets[curve_idx];
}
return ecc_set;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ECC)
static WC_INLINE int wc_ecc_alloc_mpint(ecc_key* key, mp_int** mp)

2
wolfssl/wolfcrypt/ecc.h
View File

@ -528,6 +528,8 @@ int wc_ecc_get_curve_id_from_dp_params(const ecc_set_type* dp);
WOLFSSL_API
int wc_ecc_get_curve_id_from_oid(const byte* oid, word32 len);
WOLFSSL_API const ecc_set_type* wc_ecc_get_curve_params(int curve_idx);
WOLFSSL_API
ecc_point* wc_ecc_new_point(void);
WOLFSSL_API