diff options
Diffstat (limited to 'crypto/ec/ecx_key.c')
-rw-r--r-- | crypto/ec/ecx_key.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/crypto/ec/ecx_key.c b/crypto/ec/ecx_key.c new file mode 100644 index 0000000000..59643cc6ad --- /dev/null +++ b/crypto/ec/ecx_key.c @@ -0,0 +1,69 @@ +/* + * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (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 + */ + +#include <openssl/err.h> +#include "crypto/ecx.h" + +ECX_KEY *ecx_key_new(size_t keylen, int haspubkey) +{ + ECX_KEY *ret = OPENSSL_zalloc(sizeof(*ret)); + + if (ret == NULL) + return NULL; + + ret->haspubkey = haspubkey; + ret->keylen = keylen; + ret->references = 1; + + ret->lock = CRYPTO_THREAD_lock_new(); + if (ret->lock == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE); + OPENSSL_free(ret); + return NULL; + } + + return ret; +} + +void ecx_key_free(ECX_KEY *key) +{ + int i; + + if (key == NULL) + return; + + CRYPTO_DOWN_REF(&key->references, &i, key->lock); + REF_PRINT_COUNT("ECX_KEY", r); + if (i > 0) + return; + REF_ASSERT_ISNT(i < 0); + + OPENSSL_secure_clear_free(key->privkey, key->keylen); + CRYPTO_THREAD_lock_free(key->lock); + OPENSSL_free(key); +} + +int ecx_key_up_ref(ECX_KEY *key) +{ + int i; + + if (CRYPTO_UP_REF(&key->references, &i, key->lock) <= 0) + return 0; + + REF_PRINT_COUNT("ECX_KEY", key); + REF_ASSERT_ISNT(i < 2); + return ((i > 1) ? 1 : 0); +} + +unsigned char *ecx_key_allocate_privkey(ECX_KEY *key) +{ + key->privkey = OPENSSL_secure_zalloc(key->keylen); + + return key->privkey; +} |