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#ifndef SRC_CRYPTO_CRYPTO_PBKDF2_H_
#define SRC_CRYPTO_CRYPTO_PBKDF2_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "crypto/crypto_util.h"
#include "async_wrap.h"
#include "env.h"
#include "memory_tracker.h"
#include "v8.h"
namespace node {
namespace crypto {
// PBKDF2 is a pseudo-random key derivation scheme defined
// in https://tools.ietf.org/html/rfc8018
//
// The algorithm takes as input a password and salt
// (both of which may, but should not be zero-length),
// a number of iterations, a hash digest algorithm, and
// an output length.
//
// The salt should be as unique as possible, and should
// be at least 16 bytes in length.
//
// The iteration count should be as high as possible.
struct PBKDF2Config final : public MemoryRetainer {
CryptoJobMode mode;
ByteSource pass;
ByteSource salt;
int32_t iterations;
int32_t length;
const EVP_MD* digest = nullptr;
PBKDF2Config() = default;
explicit PBKDF2Config(PBKDF2Config&& other) noexcept;
PBKDF2Config& operator=(PBKDF2Config&& other) noexcept;
void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(PBKDF2Config)
SET_SELF_SIZE(PBKDF2Config)
};
struct PBKDF2Traits final {
using AdditionalParameters = PBKDF2Config;
static constexpr const char* JobName = "PBKDF2Job";
static constexpr AsyncWrap::ProviderType Provider =
AsyncWrap::PROVIDER_PBKDF2REQUEST;
static v8::Maybe<bool> AdditionalConfig(
CryptoJobMode mode,
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int offset,
PBKDF2Config* params);
static bool DeriveBits(
Environment* env,
const PBKDF2Config& params,
ByteSource* out);
static v8::Maybe<bool> EncodeOutput(
Environment* env,
const PBKDF2Config& params,
ByteSource* out,
v8::Local<v8::Value>* result);
};
using PBKDF2Job = DeriveBitsJob<PBKDF2Traits>;
} // namespace crypto
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_CRYPTO_CRYPTO_PBKDF2_H_
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