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7e43baed2a
Also avoid crashing in rsa_get_params on empty keys. Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/14793)
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
/*
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* Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/err.h>
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#include "crypto/ecx.h"
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ECX_KEY *ossl_ecx_key_new(OSSL_LIB_CTX *libctx, ECX_KEY_TYPE type, int haspubkey,
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const char *propq)
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{
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ECX_KEY *ret = OPENSSL_zalloc(sizeof(*ret));
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if (ret == NULL)
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return NULL;
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ret->libctx = libctx;
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ret->haspubkey = haspubkey;
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switch (type) {
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case ECX_KEY_TYPE_X25519:
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ret->keylen = X25519_KEYLEN;
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break;
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case ECX_KEY_TYPE_X448:
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ret->keylen = X448_KEYLEN;
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break;
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case ECX_KEY_TYPE_ED25519:
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ret->keylen = ED25519_KEYLEN;
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break;
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case ECX_KEY_TYPE_ED448:
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ret->keylen = ED448_KEYLEN;
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break;
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}
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ret->type = type;
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ret->references = 1;
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if (propq != NULL) {
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ret->propq = OPENSSL_strdup(propq);
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if (ret->propq == NULL)
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goto err;
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}
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ret->lock = CRYPTO_THREAD_lock_new();
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if (ret->lock == NULL)
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goto err;
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return ret;
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err:
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ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE);
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OPENSSL_free(ret);
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return NULL;
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}
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void ossl_ecx_key_free(ECX_KEY *key)
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{
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int i;
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if (key == NULL)
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return;
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CRYPTO_DOWN_REF(&key->references, &i, key->lock);
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REF_PRINT_COUNT("ECX_KEY", key);
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if (i > 0)
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return;
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REF_ASSERT_ISNT(i < 0);
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OPENSSL_free(key->propq);
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OPENSSL_secure_clear_free(key->privkey, key->keylen);
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CRYPTO_THREAD_lock_free(key->lock);
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OPENSSL_free(key);
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}
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void ossl_ecx_key_set0_libctx(ECX_KEY *key, OSSL_LIB_CTX *libctx)
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{
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key->libctx = libctx;
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}
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int ossl_ecx_key_up_ref(ECX_KEY *key)
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{
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int i;
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if (CRYPTO_UP_REF(&key->references, &i, key->lock) <= 0)
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return 0;
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REF_PRINT_COUNT("ECX_KEY", key);
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REF_ASSERT_ISNT(i < 2);
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return ((i > 1) ? 1 : 0);
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}
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unsigned char *ossl_ecx_key_allocate_privkey(ECX_KEY *key)
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{
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key->privkey = OPENSSL_secure_zalloc(key->keylen);
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return key->privkey;
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}
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