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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/base/passphrase_enums.h"
#include <optional>
#include "base/check_op.h"
#include "base/notreached.h"
#include "components/sync/protocol/nigori_specifics.pb.h"
namespace syncer {
bool IsExplicitPassphrase(PassphraseType type) {
switch (type) {
case PassphraseType::kImplicitPassphrase:
case PassphraseType::kKeystorePassphrase:
case PassphraseType::kTrustedVaultPassphrase:
return false;
case PassphraseType::kFrozenImplicitPassphrase:
case PassphraseType::kCustomPassphrase:
return true;
}
NOTREACHED();
}
sync_pb::NigoriSpecifics::PassphraseType ProtoPassphraseInt32ToProtoEnum(
std::int32_t type) {
return sync_pb::NigoriSpecifics::PassphraseType_IsValid(type)
? static_cast<sync_pb::NigoriSpecifics::PassphraseType>(type)
: sync_pb::NigoriSpecifics::UNKNOWN;
}
std::optional<PassphraseType> ProtoPassphraseInt32ToEnum(std::int32_t type) {
switch (ProtoPassphraseInt32ToProtoEnum(type)) {
case sync_pb::NigoriSpecifics::IMPLICIT_PASSPHRASE:
return PassphraseType::kImplicitPassphrase;
case sync_pb::NigoriSpecifics::KEYSTORE_PASSPHRASE:
return PassphraseType::kKeystorePassphrase;
case sync_pb::NigoriSpecifics::CUSTOM_PASSPHRASE:
return PassphraseType::kCustomPassphrase;
case sync_pb::NigoriSpecifics::FROZEN_IMPLICIT_PASSPHRASE:
return PassphraseType::kFrozenImplicitPassphrase;
case sync_pb::NigoriSpecifics::TRUSTED_VAULT_PASSPHRASE:
return PassphraseType::kTrustedVaultPassphrase;
case sync_pb::NigoriSpecifics::UNKNOWN:
// This must be an unknown value coming from future versions or a field
// actually being populated with UNKNOWN (which is a protocol violation).
break;
}
return std::nullopt;
}
sync_pb::NigoriSpecifics::PassphraseType EnumPassphraseTypeToProto(
PassphraseType type) {
switch (type) {
case PassphraseType::kImplicitPassphrase:
return sync_pb::NigoriSpecifics::IMPLICIT_PASSPHRASE;
case PassphraseType::kKeystorePassphrase:
return sync_pb::NigoriSpecifics::KEYSTORE_PASSPHRASE;
case PassphraseType::kCustomPassphrase:
return sync_pb::NigoriSpecifics::CUSTOM_PASSPHRASE;
case PassphraseType::kFrozenImplicitPassphrase:
return sync_pb::NigoriSpecifics::FROZEN_IMPLICIT_PASSPHRASE;
case PassphraseType::kTrustedVaultPassphrase:
return sync_pb::NigoriSpecifics::TRUSTED_VAULT_PASSPHRASE;
}
NOTREACHED();
}
std::optional<KeyDerivationMethod> ProtoKeyDerivationMethodToEnum(
std::int32_t method) {
DCHECK_GE(method, 0);
switch (method) {
case sync_pb::NigoriSpecifics::UNSPECIFIED:
// This is the default value; it comes from an old client (<M70) which
// does not know about this field. These old clients all use PBKDF2.
return KeyDerivationMethod::PBKDF2_HMAC_SHA1_1003;
case sync_pb::NigoriSpecifics::PBKDF2_HMAC_SHA1_1003:
return KeyDerivationMethod::PBKDF2_HMAC_SHA1_1003;
case sync_pb::NigoriSpecifics::SCRYPT_8192_8_11:
return KeyDerivationMethod::SCRYPT_8192_8_11;
}
// We do not know about this value. It is likely a method added in a newer
// version of Chrome.
return std::nullopt;
}
sync_pb::NigoriSpecifics::KeyDerivationMethod EnumKeyDerivationMethodToProto(
KeyDerivationMethod method) {
switch (method) {
case KeyDerivationMethod::PBKDF2_HMAC_SHA1_1003:
return sync_pb::NigoriSpecifics::PBKDF2_HMAC_SHA1_1003;
case KeyDerivationMethod::SCRYPT_8192_8_11:
return sync_pb::NigoriSpecifics::SCRYPT_8192_8_11;
}
NOTREACHED();
}
} // namespace syncer
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