VirgilKeyPair.h

#ifndef VIRGIL_KEY_PAIR_H
#define VIRGIL_KEY_PAIR_H

#include "VirgilByteArray.h"

namespace virgil { namespace crypto {

class VirgilKeyPair {
public:
    enum class Type {
        RSA_256, 
        RSA_512, 
        RSA_1024, 
        RSA_2048, 
        RSA_3072, 
        RSA_4096, 
        RSA_8192, 
        EC_SECP192R1, 
        EC_SECP224R1, 
        EC_SECP256R1, 
        EC_SECP384R1, 
        EC_SECP521R1, 
        EC_BP256R1, 
        EC_BP384R1, 
        EC_BP512R1, 
        EC_SECP192K1, 
        EC_SECP224K1, 
        EC_SECP256K1, 
        EC_CURVE25519, 
        FAST_EC_X25519, 
        FAST_EC_ED25519, 
    };
    using Algorithm = Type;
public:
    static VirgilKeyPair generate(
            VirgilKeyPair::Type type,
            const VirgilByteArray& pwd = VirgilByteArray());

    static VirgilKeyPair generateRecommended(
            const VirgilByteArray& pwd = VirgilByteArray());

    static VirgilKeyPair generateFrom(
            const VirgilKeyPair& donorKeyPair,
            const VirgilByteArray& donorPrivateKeyPassword = VirgilByteArray(),
            const VirgilByteArray& newKeyPairPassword = VirgilByteArray());

    static VirgilKeyPair generateFromKeyMaterial(
            VirgilKeyPair::Type type,
            const VirgilByteArray& keyMaterial,
            const VirgilByteArray& pwd = VirgilByteArray());
    static VirgilKeyPair generateRecommendedFromKeyMaterial(
            const VirgilByteArray& keyMaterial,
            const VirgilByteArray& pwd = VirgilByteArray());


    static bool isKeyPairMatch(
            const VirgilByteArray& publicKey,
            const VirgilByteArray& privateKey,
            const VirgilByteArray& privateKeyPassword = VirgilByteArray());

    static bool checkPrivateKeyPassword(
            const VirgilByteArray& key,
            const VirgilByteArray& pwd);

    static bool isPrivateKeyEncrypted(const VirgilByteArray& privateKey);


    static VirgilByteArray resetPrivateKeyPassword(
            const VirgilByteArray& privateKey,
            const VirgilByteArray& oldPassword, const VirgilByteArray& newPassword);

    static VirgilByteArray encryptPrivateKey(
            const VirgilByteArray& privateKey,
            const VirgilByteArray& privateKeyPassword);

    static VirgilByteArray decryptPrivateKey(
            const VirgilByteArray& privateKey,
            const VirgilByteArray& privateKeyPassword);

    static VirgilByteArray extractPublicKey(
            const VirgilByteArray& privateKey,
            const VirgilByteArray& privateKeyPassword);

    static VirgilByteArray publicKeyToPEM(const VirgilByteArray& publicKey);

    static VirgilByteArray publicKeyToDER(const VirgilByteArray& publicKey);

    static VirgilByteArray privateKeyToPEM(
            const VirgilByteArray& privateKey,
            const VirgilByteArray& privateKeyPassword = VirgilByteArray());
    static VirgilByteArray privateKeyToDER(
            const VirgilByteArray& privateKey,
            const VirgilByteArray& privateKeyPassword = VirgilByteArray());

    VirgilKeyPair(const VirgilByteArray& publicKey, const VirgilByteArray& privateKey);

    VirgilByteArray publicKey() const;

    VirgilByteArray privateKey() const;

private:
    VirgilByteArray publicKey_;
    VirgilByteArray privateKey_;
};

}}

#endif /* VIRGIL_KEY_PAIR_H */