Add ecdh_{make,read}_public()
diff --git a/library/ecdh.c b/library/ecdh.c
index 462e015..dc585f4 100644
--- a/library/ecdh.c
+++ b/library/ecdh.c
@@ -159,6 +159,33 @@
return 0;
}
+/*
+ * Setup and export the client public value
+ */
+int ecdh_make_public( ecdh_context *ctx, size_t *olen,
+ unsigned char *buf, size_t blen,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng )
+{
+ int ret;
+
+ if( ( ret = ecdh_gen_public( &ctx->grp, &ctx->d, &ctx->Q, f_rng, p_rng ) )
+ != 0 )
+ return( ret );
+
+ return ecp_tls_write_point( &ctx->grp, &ctx->Q, ctx->point_format,
+ olen, buf, blen );
+}
+
+/*
+ * Parse and import the client's public value
+ */
+int ecdh_read_public( ecdh_context *ctx,
+ const unsigned char *buf, size_t blen )
+{
+ return ecp_tls_read_point( &ctx->grp, &ctx->Qp, &buf, blen );
+}
+
#if defined(POLARSSL_SELF_TEST)
/*
