/*
- * Written by Adam Langley (Google) for the OpenSSL project
+ * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
/* Copyright 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* work which got its smarts from Daniel J. Bernstein's work on the same.
*/
-#include <openssl/opensslconf.h>
+#include <openssl/e_os2.h>
#ifdef OPENSSL_NO_EC_NISTP_64_GCC_128
NON_EMPTY_TRANSLATION_UNIT
#else
-# ifndef OPENSSL_SYS_VMS
-# include <stdint.h>
-# else
-# include <inttypes.h>
-# endif
-
# include <string.h>
# include <openssl/err.h>
# include "ec_lcl.h"
/* Precomputation for the group generator. */
struct nistp521_pre_comp_st {
felem g_pre_comp[16][3];
- int references;
+ CRYPTO_REF_COUNT references;
+ CRYPTO_RWLOCK *lock;
};
const EC_METHOD *EC_GFp_nistp521_method(void)
ECerr(EC_F_NISTP521_PRE_COMP_NEW, ERR_R_MALLOC_FAILURE);
return ret;
}
+
ret->references = 1;
+
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ ECerr(EC_F_NISTP521_PRE_COMP_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
return ret;
}
NISTP521_PRE_COMP *EC_nistp521_pre_comp_dup(NISTP521_PRE_COMP *p)
{
+ int i;
if (p != NULL)
- CRYPTO_add(&p->references, 1, CRYPTO_LOCK_EC_PRE_COMP);
+ CRYPTO_UP_REF(&p->references, &i, p->lock);
return p;
}
void EC_nistp521_pre_comp_free(NISTP521_PRE_COMP *p)
{
- if (p == NULL
- || CRYPTO_add(&p->references, -1, CRYPTO_LOCK_EC_PRE_COMP) > 0)
+ int i;
+
+ if (p == NULL)
return;
+
+ CRYPTO_DOWN_REF(&p->references, &i, p->lock);
+ REF_PRINT_COUNT("EC_nistp521", x);
+ if (i > 0)
+ return;
+ REF_ASSERT_ISNT(i < 0);
+
+ CRYPTO_THREAD_lock_free(p->lock);
OPENSSL_free(p);
}