Add compute key support to EC_KEY_METHOD

[openssl.git] / crypto / ec / ec_lcl.h

diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h
index 3bf64c6497d112aeb548a10f8cf57ddde58c39c3..1630b4006075d0a195f3ca4f4168663c30b8c84e 100644 (file)
--- a/crypto/ec/ec_lcl.h
+++ b/crypto/ec/ec_lcl.h
@@ -257,6 +257,8 @@ struct ec_group_st {
 } /* EC_GROUP */ ;
 
 struct ec_key_st {
+    const EC_KEY_METHOD *meth;
+    ENGINE *engine;
     int version;
     EC_GROUP *group;
     EC_POINT *pub_key;
@@ -552,3 +554,23 @@ int ec_precompute_mont_data(EC_GROUP *);
  */
 const EC_METHOD *EC_GFp_nistz256_method(void);
 #endif
+
+/* EC_METHOD definitions */
+
+struct ec_key_method_st {
+    const char *name;
+    int32_t flags;
+    int (*keygen)(EC_KEY *key);
+    int (*compute_key)(void *out, size_t outlen, const EC_POINT *pub_key,
+                       EC_KEY *ecdh,
+                       void *(*KDF) (const void *in, size_t inlen,
+                                     void *out, size_t *outlen));
+} /* EC_KEY_METHOD */ ;
+
+#define EC_KEY_METHOD_DYNAMIC   1
+
+int ossl_ec_key_gen(EC_KEY *eckey);
+int ossl_ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+                          EC_KEY *ecdh,
+                          void *(*KDF) (const void *in, size_t inlen,
+                                        void *out, size_t *outlen));