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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsRandomGenerator.h"
#include "ScopedNSSTypes.h"
#include "nsNSSComponent.h"
#include "pk11pub.h"
#include "prerror.h"
#include "secerr.h"
#include "mozilla/UniquePtrExtensions.h"
NS_IMPL_ISUPPORTS(nsRandomGenerator, nsIRandomGenerator)
NS_IMETHODIMP
nsRandomGenerator::GenerateRandomBytes(uint32_t aLength, uint8_t** aBuffer) {
NS_ENSURE_ARG_POINTER(aBuffer);
*aBuffer = nullptr;
mozilla::UniqueFreePtr<uint8_t> buf(
static_cast<uint8_t*>(moz_xmalloc(aLength)));
nsresult rv = GenerateRandomBytesInto(buf.get(), aLength);
NS_ENSURE_SUCCESS(rv, rv);
*aBuffer = buf.release();
return NS_OK;
}
NS_IMETHODIMP
nsRandomGenerator::GenerateRandomBytesInto(uint8_t* aBuffer, uint32_t aLength) {
NS_ENSURE_ARG_POINTER(aBuffer);
mozilla::UniquePK11SlotInfo slot(PK11_GetInternalSlot());
if (!slot) {
return NS_ERROR_FAILURE;
}
SECStatus srv = PK11_GenerateRandomOnSlot(slot.get(), aBuffer, aLength);
return srv == SECSuccess ? NS_OK : NS_ERROR_FAILURE;
}
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