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ncrypt: Use BCrypt algorithm pseudo-handles.
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ba1631ad88
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4918be2c59
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@ -130,38 +130,21 @@ static SECURITY_STATUS set_object_property(struct object *object, const WCHAR *n
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static struct object *create_key_object(enum algid algid, NCRYPT_PROV_HANDLE provider)
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static struct object *create_key_object(enum algid algid, NCRYPT_PROV_HANDLE provider)
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{
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{
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struct object *object;
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struct object *object;
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NTSTATUS status;
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if (!(object = allocate_object(KEY)))
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{
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ERR("Error allocating memory\n");
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return NULL;
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}
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switch (algid)
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switch (algid)
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{
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{
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case RSA:
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case RSA:
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{
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if (!(object = allocate_object(KEY))) return NULL;
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status = BCryptOpenAlgorithmProvider(&object->key.bcrypt_alg, BCRYPT_RSA_ALGORITHM, NULL, 0);
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if (status != STATUS_SUCCESS)
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{
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ERR("Error opening algorithm provider %#lx\n", status);
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free(object);
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return NULL;
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}
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object->key.algid = RSA;
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object->key.algid = RSA;
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set_object_property(object, NCRYPT_ALGORITHM_GROUP_PROPERTY, (BYTE *)BCRYPT_RSA_ALGORITHM,
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set_object_property(object, NCRYPT_ALGORITHM_GROUP_PROPERTY, (BYTE *)BCRYPT_RSA_ALGORITHM,
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sizeof(BCRYPT_RSA_ALGORITHM));
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sizeof(BCRYPT_RSA_ALGORITHM));
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break;
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break;
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}
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default:
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default:
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{
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ERR("Invalid algid %#x\n", algid);
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ERR("Invalid algid %#x\n", algid);
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free(object);
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return NULL;
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return NULL;
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}
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}
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}
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set_object_property(object, NCRYPT_PROVIDER_HANDLE_PROPERTY, (BYTE *)&provider, sizeof(provider));
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set_object_property(object, NCRYPT_PROVIDER_HANDLE_PROPERTY, (BYTE *)&provider, sizeof(provider));
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return object;
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return object;
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@ -190,11 +173,10 @@ SECURITY_STATUS WINAPI NCryptCreatePersistedKey(NCRYPT_PROV_HANDLE provider, NCR
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return NTE_NO_MEMORY;
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return NTE_NO_MEMORY;
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}
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}
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status = BCryptGenerateKeyPair(object->key.bcrypt_alg, &object->key.bcrypt_key, default_bitlen, 0);
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status = BCryptGenerateKeyPair(BCRYPT_RSA_ALG_HANDLE, &object->key.bcrypt_key, default_bitlen, 0);
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if (status != STATUS_SUCCESS)
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if (status != STATUS_SUCCESS)
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{
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{
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ERR("Error generating key pair %#lx\n", status);
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ERR("Error generating key pair %#lx\n", status);
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BCryptCloseAlgorithmProvider(object->key.bcrypt_alg, 0);
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free(object);
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free(object);
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return map_ntstatus(status);
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return map_ntstatus(status);
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}
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}
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@ -304,10 +286,7 @@ SECURITY_STATUS WINAPI NCryptFreeBuffer(PVOID buf)
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static SECURITY_STATUS free_key_object(struct key *key)
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static SECURITY_STATUS free_key_object(struct key *key)
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{
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{
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NTSTATUS status, status2;
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return map_ntstatus( BCryptDestroyKey(key->bcrypt_key) );
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status = BCryptDestroyKey(key->bcrypt_key);
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if ((status2 = BCryptCloseAlgorithmProvider(key->bcrypt_alg, 0))) return map_ntstatus(status2);
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return status ? map_ntstatus(status) : ERROR_SUCCESS;
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}
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}
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SECURITY_STATUS WINAPI NCryptFreeObject(NCRYPT_HANDLE handle)
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SECURITY_STATUS WINAPI NCryptFreeObject(NCRYPT_HANDLE handle)
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@ -414,11 +393,10 @@ SECURITY_STATUS WINAPI NCryptImportKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_H
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return NTE_NO_MEMORY;
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return NTE_NO_MEMORY;
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}
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}
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status = BCryptImportKeyPair(object->key.bcrypt_alg, NULL, type, &object->key.bcrypt_key, data, datasize, 0);
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status = BCryptImportKeyPair(BCRYPT_RSA_ALG_HANDLE, NULL, type, &object->key.bcrypt_key, data, datasize, 0);
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if (status != STATUS_SUCCESS)
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if (status != STATUS_SUCCESS)
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{
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{
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WARN("Error importing key pair %#lx\n", status);
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WARN("Error importing key pair %#lx\n", status);
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BCryptCloseAlgorithmProvider(object->key.bcrypt_alg, 0);
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free(object);
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free(object);
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return map_ntstatus(status);
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return map_ntstatus(status);
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}
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}
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@ -31,7 +31,6 @@ enum algid
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struct key
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struct key
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{
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{
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enum algid algid;
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enum algid algid;
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BCRYPT_ALG_HANDLE bcrypt_alg;
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BCRYPT_KEY_HANDLE bcrypt_key;
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BCRYPT_KEY_HANDLE bcrypt_key;
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};
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};
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