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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <parc/assert/parc_Assert.h>
#include <parc/security/parc_KeyId.h>
#include <parc/algol/parc_Object.h>
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_Hash.h>
struct parc_keyid {
PARCBuffer *keyid;
PARCHashCode hashcode;
};
static void
_parcKeyId_Destroy(PARCKeyId **keyIdPtr)
{
PARCKeyId *keyId = *keyIdPtr;
parcBuffer_Release(&keyId->keyid);
}
parcObject_ExtendPARCObject(PARCKeyId, _parcKeyId_Destroy, NULL, NULL, NULL, NULL, NULL, NULL);
void
parcKeyId_AssertValid(const PARCKeyId *keyId)
{
parcAssertNotNull(keyId, "Pointer must be a non-null pointer to a PARCKeyId");
}
PARCKeyId *
parcKeyId_Create(PARCBuffer *preComputedKeyId)
{
PARCKeyId *keyid = parcObject_CreateInstance(PARCKeyId);
if (keyid != NULL) {
keyid->keyid = parcBuffer_Acquire(preComputedKeyId);
keyid->hashcode = parcBuffer_HashCode(preComputedKeyId);
}
return keyid;
}
parcObject_ImplementAcquire(parcKeyId, PARCKeyId);
parcObject_ImplementRelease(parcKeyId, PARCKeyId);
bool
parcKeyId_Equals(const PARCKeyId *keyidA, const PARCKeyId *keyidB)
{
if (keyidA == keyidB) {
return true;
}
if (keyidA == NULL || keyidB == NULL) {
return false;
}
return parcBuffer_Equals(keyidA->keyid, keyidB->keyid);
}
PARCHashCode
parcKeyId_HashCode(const PARCKeyId *keyid)
{
parcKeyId_OptionalAssertValid(keyid);
return keyid->hashcode;
}
PARCHashCode
parcKeyId_HashCodeFromVoid(const void *keyid)
{
parcKeyId_OptionalAssertValid(keyid);
return ((PARCKeyId *) keyid)->hashcode;
}
const PARCBuffer *
parcKeyId_GetKeyId(const PARCKeyId *keyid)
{
parcKeyId_OptionalAssertValid(keyid);
return keyid->keyid;
}
PARCKeyId *
parcKeyId_Copy(const PARCKeyId *original)
{
parcKeyId_OptionalAssertValid(original);
PARCBuffer *bufferCopy = parcBuffer_Copy(original->keyid);
PARCKeyId *result = parcKeyId_Create(bufferCopy);
parcBuffer_Release(&bufferCopy);
return result;
}
PARCBufferComposer *
parcKeyId_BuildString(const PARCKeyId *keyid, PARCBufferComposer *composer)
{
// output format = "0x<hex>\00"
parcBufferComposer_Format(composer, "0x");
for (int i = 0; i < parcBuffer_Capacity(keyid->keyid); i += 2) {
parcBufferComposer_Format(composer, "%02X", parcBuffer_GetAtIndex(keyid->keyid, i));
}
return composer;
}
char *
parcKeyId_ToString(const PARCKeyId *keyid)
{
char *result = NULL;
PARCBufferComposer *composer = parcBufferComposer_Create();
if (composer != NULL) {
parcKeyId_BuildString(keyid, composer);
PARCBuffer *tempBuffer = parcBufferComposer_ProduceBuffer(composer);
result = parcBuffer_ToString(tempBuffer);
parcBuffer_Release(&tempBuffer);
parcBufferComposer_Release(&composer);
}
return result;
}
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