Remove {ecdh,ecdsa}_check() and {ECDH,ECDSA}_DATA

This is now unused code. Removing it will free us up to remove some
other ugliness in the ec directory.

ok jsing

2 files changed, 2 insertions, 114 deletions

diff --git a/src/lib/libcrypto/ecdsa/ecs_lib.c b/src/lib/libcrypto/ecdsa/ecs_lib.c
index 9ba5db2fca..11e707dd55 100644
--- a/src/lib/libcrypto/ecdsa/ecs_lib.c
+++ b/src/lib/libcrypto/ecdsa/ecs_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ecs_lib.c,v 1.19 2023/06/25 18:27:38 tb Exp $ */
+/* $OpenBSD: ecs_lib.c,v 1.20 2023/06/25 18:45:56 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 1998-2005 The OpenSSL Project.  All rights reserved.
  *
@@ -68,10 +68,6 @@
 
 static const ECDSA_METHOD *default_ECDSA_method = NULL;
 
-static void *ecdsa_data_new(void);
-static void *ecdsa_data_dup(void *);
-static void  ecdsa_data_free(void *);
-
 void
 ECDSA_set_default_method(const ECDSA_METHOD *meth)
 {
@@ -93,96 +89,6 @@ ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
         return 0;
 }
 
-static ECDSA_DATA *
-ECDSA_DATA_new_method(ENGINE *engine)
-{
-        ECDSA_DATA *ret;
-
-        ret = malloc(sizeof(ECDSA_DATA));
-        if (ret == NULL) {
-                ECDSAerror(ERR_R_MALLOC_FAILURE);
-                return (NULL);
-        }
-
-        ret->init = NULL;
-
-        ret->meth = ECDSA_get_default_method();
-        ret->engine = engine;
-#ifndef OPENSSL_NO_ENGINE
-        if (!ret->engine)
-                ret->engine = ENGINE_get_default_ECDSA();
-        if (ret->engine) {
-                ret->meth = ENGINE_get_ECDSA(ret->engine);
-                if (ret->meth == NULL) {
-                        ECDSAerror(ERR_R_ENGINE_LIB);
-                        ENGINE_finish(ret->engine);
-                        free(ret);
-                        return NULL;
-                }
-        }
-#endif
-
-        ret->flags = ret->meth->flags;
-        CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
-        return (ret);
-}
-
-static void *
-ecdsa_data_new(void)
-{
-        return (void *)ECDSA_DATA_new_method(NULL);
-}
-
-static void *
-ecdsa_data_dup(void *data)
-{
-        ECDSA_DATA *r = (ECDSA_DATA *)data;
-
-        /* XXX: dummy operation */
-        if (r == NULL)
-                return NULL;
-
-        return ecdsa_data_new();
-}
-
-static void
-ecdsa_data_free(void *data)
-{
-        ECDSA_DATA *r = (ECDSA_DATA *)data;
-
-#ifndef OPENSSL_NO_ENGINE
-        ENGINE_finish(r->engine);
-#endif
-        CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
-
-        freezero(r, sizeof(ECDSA_DATA));
-}
-
-ECDSA_DATA *
-ecdsa_check(EC_KEY *key)
-{
-        ECDSA_DATA *ecdsa_data;
-
-        void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
-            ecdsa_data_free, ecdsa_data_free);
-        if (data == NULL) {
-                ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
-                if (ecdsa_data == NULL)
-                        return NULL;
-                data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
-                    ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
-                if (data != NULL) {
-                        /* Another thread raced us to install the key_method
-                         * data and won. */
-                        ecdsa_data_free(ecdsa_data);
-                        ecdsa_data = (ECDSA_DATA *)data;
-                }
-        } else
-                ecdsa_data = (ECDSA_DATA *)data;
-
-        return ecdsa_data;
-}
-
 int
 ECDSA_size(const EC_KEY *r)
 {
diff --git a/src/lib/libcrypto/ecdsa/ecs_local.h b/src/lib/libcrypto/ecdsa/ecs_local.h
index 5cdf264557..20ad0c246e 100644
--- a/src/lib/libcrypto/ecdsa/ecs_local.h
+++ b/src/lib/libcrypto/ecdsa/ecs_local.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ecs_local.h,v 1.2 2022/11/26 17:23:17 tb Exp $ */
+/* $OpenBSD: ecs_local.h,v 1.3 2023/06/25 18:45:56 tb Exp $ */
 /*
  * Written by Nils Larsch for the OpenSSL project
  */
@@ -63,29 +63,11 @@
 
 __BEGIN_HIDDEN_DECLS
 
-typedef struct ecdsa_data_st {
-        /* EC_KEY_METH_DATA part */
-        int (*init)(EC_KEY *);
-        /* method (ECDSA) specific part */
-        ENGINE  *engine;
-        int     flags;
-        const ECDSA_METHOD *meth;
-        CRYPTO_EX_DATA ex_data;
-} ECDSA_DATA;
-
 struct ECDSA_SIG_st {
         BIGNUM *r;
         BIGNUM *s;
 };
 
-/** ecdsa_check
- * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
- * and if not it removes the old meth_data and creates a ECDSA_DATA structure.
- * \param  eckey pointer to a EC_KEY object
- * \return pointer to a ECDSA_DATA structure
- */
-ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
-
 int ossl_ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
     BIGNUM **rp);
 int ossl_ecdsa_sign(int type, const unsigned char *dgst, int dlen,