ladybird/Userland/Libraries/LibWeb/Crypto/CryptoAlgorithms.h

265 lines
9.1 KiB
C++

/*
* Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/EnumBits.h>
#include <AK/String.h>
#include <LibCrypto/BigInt/UnsignedBigInteger.h>
#include <LibJS/Forward.h>
#include <LibJS/Heap/GCPtr.h>
#include <LibWeb/Bindings/SubtleCryptoPrototype.h>
#include <LibWeb/Crypto/CryptoBindings.h>
#include <LibWeb/Crypto/CryptoKey.h>
#include <LibWeb/WebIDL/Buffers.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::Crypto {
using AlgorithmIdentifier = Variant<JS::Handle<JS::Object>, String>;
using HashAlgorithmIdentifier = AlgorithmIdentifier;
using NamedCurve = String;
using KeyDataType = Variant<JS::Handle<WebIDL::BufferSource>, Bindings::JsonWebKey>;
// https://w3c.github.io/webcrypto/#algorithm-overview
struct AlgorithmParams {
virtual ~AlgorithmParams();
explicit AlgorithmParams(String name)
: name(move(name))
{
}
String name;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#pbkdf2-params
struct PBKDF2Params : public AlgorithmParams {
virtual ~PBKDF2Params() override;
PBKDF2Params(String name, ByteBuffer salt, u32 iterations, HashAlgorithmIdentifier hash)
: AlgorithmParams(move(name))
, salt(move(salt))
, iterations(iterations)
, hash(move(hash))
{
}
ByteBuffer salt;
u32 iterations;
HashAlgorithmIdentifier hash;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#dfn-RsaKeyGenParams
struct RsaKeyGenParams : public AlgorithmParams {
virtual ~RsaKeyGenParams() override;
RsaKeyGenParams(String name, u32 modulus_length, ::Crypto::UnsignedBigInteger public_exponent)
: AlgorithmParams(move(name))
, modulus_length(modulus_length)
, public_exponent(move(public_exponent))
{
}
u32 modulus_length;
// NOTE that the raw data is going to be in Big Endian u8[] format
::Crypto::UnsignedBigInteger public_exponent;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#dfn-RsaHashedKeyGenParams
struct RsaHashedKeyGenParams : public RsaKeyGenParams {
virtual ~RsaHashedKeyGenParams() override;
RsaHashedKeyGenParams(String name, u32 modulus_length, ::Crypto::UnsignedBigInteger public_exponent, HashAlgorithmIdentifier hash)
: RsaKeyGenParams(move(name), modulus_length, move(public_exponent))
, hash(move(hash))
{
}
HashAlgorithmIdentifier hash;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#dfn-RsaHashedImportParams
struct RsaHashedImportParams : public AlgorithmParams {
virtual ~RsaHashedImportParams() override;
RsaHashedImportParams(String name, HashAlgorithmIdentifier hash)
: AlgorithmParams(move(name))
, hash(move(hash))
{
}
HashAlgorithmIdentifier hash;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#dfn-RsaOaepParams
struct RsaOaepParams : public AlgorithmParams {
virtual ~RsaOaepParams() override;
RsaOaepParams(String name, ByteBuffer label)
: AlgorithmParams(move(name))
, label(move(label))
{
}
ByteBuffer label;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#dfn-EcdsaParams
struct EcdsaParams : public AlgorithmParams {
virtual ~EcdsaParams() override;
EcdsaParams(String name, HashAlgorithmIdentifier hash)
: AlgorithmParams(move(name))
, hash(move(hash))
{
}
HashAlgorithmIdentifier hash;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#dfn-EcKeyGenParams
struct EcKeyGenParams : public AlgorithmParams {
virtual ~EcKeyGenParams() override;
EcKeyGenParams(String name, NamedCurve named_curve)
: AlgorithmParams(move(name))
, named_curve(move(named_curve))
{
}
NamedCurve named_curve;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
class AlgorithmMethods {
public:
virtual ~AlgorithmMethods();
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> encrypt(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&)
{
return WebIDL::NotSupportedError::create(m_realm, "encrypt is not supported"_fly_string);
}
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> decrypt(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&)
{
return WebIDL::NotSupportedError::create(m_realm, "decrypt is not supported"_fly_string);
}
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> sign(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&)
{
return WebIDL::NotSupportedError::create(m_realm, "sign is not supported"_fly_string);
}
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> digest(AlgorithmParams const&, ByteBuffer const&)
{
return WebIDL::NotSupportedError::create(m_realm, "digest is not supported"_fly_string);
}
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&)
{
return WebIDL::NotSupportedError::create(m_realm, "importKey is not supported"_fly_string);
}
virtual WebIDL::ExceptionOr<Variant<JS::NonnullGCPtr<CryptoKey>, JS::NonnullGCPtr<CryptoKeyPair>>> generate_key(AlgorithmParams const&, bool, Vector<Bindings::KeyUsage> const&)
{
return WebIDL::NotSupportedError::create(m_realm, "generateKey is not supported"_fly_string);
}
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Object>> export_key(Bindings::KeyFormat, JS::NonnullGCPtr<CryptoKey>)
{
return WebIDL::NotSupportedError::create(m_realm, "exportKey is not supported"_fly_string);
}
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new AlgorithmMethods(realm)); }
protected:
explicit AlgorithmMethods(JS::Realm& realm)
: m_realm(realm)
{
}
JS::Realm& m_realm;
};
class RSAOAEP : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> encrypt(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&) override;
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> decrypt(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&) override;
virtual WebIDL::ExceptionOr<Variant<JS::NonnullGCPtr<CryptoKey>, JS::NonnullGCPtr<CryptoKeyPair>>> generate_key(AlgorithmParams const&, bool, Vector<Bindings::KeyUsage> const&) override;
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Object>> export_key(Bindings::KeyFormat, JS::NonnullGCPtr<CryptoKey>) override;
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new RSAOAEP(realm)); }
private:
explicit RSAOAEP(JS::Realm& realm)
: AlgorithmMethods(realm)
{
}
};
class PBKDF2 : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new PBKDF2(realm)); }
private:
explicit PBKDF2(JS::Realm& realm)
: AlgorithmMethods(realm)
{
}
};
class SHA : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> digest(AlgorithmParams const&, ByteBuffer const&) override;
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new SHA(realm)); }
private:
explicit SHA(JS::Realm& realm)
: AlgorithmMethods(realm)
{
}
};
class ECDSA : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> sign(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&) override;
virtual WebIDL::ExceptionOr<Variant<JS::NonnullGCPtr<CryptoKey>, JS::NonnullGCPtr<CryptoKeyPair>>> generate_key(AlgorithmParams const&, bool, Vector<Bindings::KeyUsage> const&) override;
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new ECDSA(realm)); }
private:
explicit ECDSA(JS::Realm& realm)
: AlgorithmMethods(realm)
{
}
};
ErrorOr<String> base64_url_uint_encode(::Crypto::UnsignedBigInteger);
WebIDL::ExceptionOr<::Crypto::UnsignedBigInteger> base64_url_uint_decode(JS::Realm&, String const& base64_url_string);
}