Partial port of EC_KEY_METHOD from OpenSSL 1.1.

This commit adds missing API for ECDH/ECDSA_verify.

from markus

1 files changed, 18 insertions, 4 deletions

diff --git a/src/lib/libcrypto/ecdh/ech_key.c b/src/lib/libcrypto/ecdh/ech_key.c
index 6911f1e341..378912cacb 100644
--- a/src/lib/libcrypto/ecdh/ech_key.c
+++ b/src/lib/libcrypto/ecdh/ech_key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ech_key.c,v 1.8 2018/09/02 17:20:31 tb Exp $ */
+/* $OpenBSD: ech_key.c,v 1.9 2019/01/19 01:12:48 tb Exp $ */
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  *
@@ -78,6 +78,7 @@
 #include <openssl/sha.h>
 
 #include "ech_locl.h"
+#include "ec_lcl.h"
 
 static int ecdh_compute_key(void *out, size_t len, const EC_POINT *pub_key,
     EC_KEY *ecdh,
@@ -215,13 +216,26 @@ ECDH_OpenSSL(void)
         return &openssl_ecdh_meth;
 }
 
+/* replace w/ ecdh_compute_key() when ECDH_METHOD gets removed */
 int
-ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+ossl_ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
     EC_KEY *eckey,
     void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen))
 {
-        ECDH_DATA *ecdh = ecdh_check(eckey);
-        if (ecdh == NULL)
+        ECDH_DATA *ecdh;
+
+        if ((ecdh = ecdh_check(eckey)) == NULL)
                 return 0;
         return ecdh->meth->compute_key(out, outlen, pub_key, eckey, KDF);
 }
+
+int
+ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+    EC_KEY *eckey,
+    void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen))
+{
+        if (eckey->meth->compute_key != NULL)
+                return eckey->meth->compute_key(out, outlen, pub_key, eckey, KDF);
+        ECerror(EC_R_NOT_IMPLEMENTED);
+        return 0;
+}