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Initial revision of ECC extension handling.

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Tidy some code up.

Don't allocate a structure to handle ECC extensions when it is used for
default values.

Make supported curves configurable.

Add ctrls to retrieve shared curves: not fully integrated with rest of
ECC code yet.
This commit is contained in:
Dr. Stephen Henson
2012-03-28 15:05:04 +00:00
parent 751e26cb9b
commit d0595f170c
10 changed files with 401 additions and 135 deletions
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30
ssl/ssl_lib.c
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@@ -358,6 +358,28 @@ SSL *SSL_new(SSL_CTX *ctx)
s->tlsext_ocsp_resplen = -1;
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
s->initial_ctx=ctx;
#ifndef OPENSSL_NO_EC
if (ctx->tlsext_ecpointformatlist)
{
s->tlsext_ecpointformatlist =
BUF_memdup(ctx->tlsext_ecpointformatlist,
ctx->tlsext_ecpointformatlist_length);
if (!s->tlsext_ecpointformatlist)
goto err;
s->tlsext_ecpointformatlist_length =
ctx->tlsext_ecpointformatlist_length;
}
if (ctx->tlsext_ellipticcurvelist)
{
s->tlsext_ellipticcurvelist =
BUF_memdup(ctx->tlsext_ellipticcurvelist,
ctx->tlsext_ellipticcurvelist_length);
if (!s->tlsext_ellipticcurvelist)
goto err;
s->tlsext_ellipticcurvelist_length =
ctx->tlsext_ellipticcurvelist_length;
}
#endif
# ifndef OPENSSL_NO_NEXTPROTONEG
s->next_proto_negotiated = NULL;
# endif
@@ -1975,6 +1997,14 @@ void SSL_CTX_free(SSL_CTX *a)
ssl_buf_freelist_free(a->wbuf_freelist);
if (a->rbuf_freelist)
ssl_buf_freelist_free(a->rbuf_freelist);
#endif
#ifndef OPENSSL_NO_TLSEXT
# ifndef OPENSSL_NO_EC
if (a->tlsext_ecpointformatlist)
OPENSSL_free(a->tlsext_ecpointformatlist);
if (a->tlsext_ellipticcurvelist)
OPENSSL_free(a->tlsext_ellipticcurvelist);
# endif /* OPENSSL_NO_EC */
#endif
OPENSSL_free(a);