<?php

namespace Cose;

use InvalidArgumentException;

use function array_key_exists;

use const OPENSSL_ALGO_SHA1;
use const OPENSSL_ALGO_SHA256;
use const OPENSSL_ALGO_SHA384;
use const OPENSSL_ALGO_SHA512;

/**
 * @see https://www.iana.org/assignments/cose/cose.xhtml#algorithms
 */
abstract class Algorithms
{
    final public const COSE_ALGORITHM_AES_CCM_64_128_256 = 33;
    final public const COSE_ALGORITHM_AES_CCM_64_128_128 = 32;
    final public const COSE_ALGORITHM_AES_CCM_16_128_256 = 31;
    final public const COSE_ALGORITHM_AES_CCM_16_128_128 = 30;
    final public const COSE_ALGORITHM_AES_MAC_256_128 = 26;
    final public const COSE_ALGORITHM_AES_MAC_128_128 = 25;
    final public const COSE_ALGORITHM_CHACHA20_POLY1305 = 24;
    final public const COSE_ALGORITHM_AES_MAC_256_64 = 15;
    final public const COSE_ALGORITHM_AES_MAC_128_64 = 14;
    final public const COSE_ALGORITHM_AES_CCM_64_64_256 = 13;
    final public const COSE_ALGORITHM_AES_CCM_64_64_128 = 12;
    final public const COSE_ALGORITHM_AES_CCM_16_64_256 = 11;
    final public const COSE_ALGORITHM_AES_CCM_16_64_128 = 10;
    final public const COSE_ALGORITHM_HS512 = 7;
    final public const COSE_ALGORITHM_HS384 = 6;
    final public const COSE_ALGORITHM_HS256 = 5;
    final public const COSE_ALGORITHM_HS256_64 = 4;
    final public const COSE_ALGORITHM_A256GCM = 3;
    final public const COSE_ALGORITHM_A192GCM = 2;
    final public const COSE_ALGORITHM_A128GCM = 1;
    final public const COSE_ALGORITHM_A128KW = -3;
    final public const COSE_ALGORITHM_A192KW = -4;
    final public const COSE_ALGORITHM_A256KW = -5;
    final public const COSE_ALGORITHM_DIRECT = -6;
    final public const COSE_ALGORITHM_ES256 = -7;

    /** @deprecated since v4.0.6. Please use COSE_ALGORITHM_EDDSA instead. Will be removed in v5.0.0 */
    final public const COSE_ALGORITHM_EdDSA = -8;
    final public const COSE_ALGORITHM_EDDSA = -8;
    final public const COSE_ALGORITHM_ED256 = -260;
    final public const COSE_ALGORITHM_ED512 = -261;
    final public const COSE_ALGORITHM_DIRECT_HKDF_SHA_256 = -10;
    final public const COSE_ALGORITHM_DIRECT_HKDF_SHA_512 = -11;
    final public const COSE_ALGORITHM_DIRECT_HKDF_AES_128 = -12;
    final public const COSE_ALGORITHM_DIRECT_HKDF_AES_256 = -13;
    final public const COSE_ALGORITHM_ECDH_ES_HKDF_256 = -25;
    final public const COSE_ALGORITHM_ECDH_ES_HKDF_512 = -26;
    final public const COSE_ALGORITHM_ECDH_SS_HKDF_256 = -27;
    final public const COSE_ALGORITHM_ECDH_SS_HKDF_512 = -28;
    final public const COSE_ALGORITHM_ECDH_ES_A128KW = -29;
    final public const COSE_ALGORITHM_ECDH_ES_A192KW = -30;
    final public const COSE_ALGORITHM_ECDH_ES_A256KW = -31;
    final public const COSE_ALGORITHM_ECDH_SS_A128KW = -32;
    final public const COSE_ALGORITHM_ECDH_SS_A192KW = -33;
    final public const COSE_ALGORITHM_ECDH_SS_A256KW = -34;
    final public const COSE_ALGORITHM_ES384 = -35;
    final public const COSE_ALGORITHM_ES512 = -36;
    final public const COSE_ALGORITHM_PS256 = -37;
    final public const COSE_ALGORITHM_PS384 = -38;
    final public const COSE_ALGORITHM_PS512 = -39;
    final public const COSE_ALGORITHM_RSAES_OAEP = -40;
    final public const COSE_ALGORITHM_RSAES_OAEP_256 = -41;
    final public const COSE_ALGORITHM_RSAES_OAEP_512 = -42;
    final public const COSE_ALGORITHM_ES256K = -46;
    final public const COSE_ALGORITHM_RS256 = -257;
    final public const COSE_ALGORITHM_RS384 = -258;
    final public const COSE_ALGORITHM_RS512 = -259;
    final public const COSE_ALGORITHM_RS1 = -65535;

    final public const COSE_ALGORITHM_MAP = [
            self::COSE_ALGORITHM_ES256 => OPENSSL_ALGO_SHA256,
            self::COSE_ALGORITHM_ES384 => OPENSSL_ALGO_SHA384,
            self::COSE_ALGORITHM_ES512 => OPENSSL_ALGO_SHA512,
            self::COSE_ALGORITHM_RS256 => OPENSSL_ALGO_SHA256,
            self::COSE_ALGORITHM_RS384 => OPENSSL_ALGO_SHA384,
            self::COSE_ALGORITHM_RS512 => OPENSSL_ALGO_SHA512,
            self::COSE_ALGORITHM_RS1 => OPENSSL_ALGO_SHA1,
        ];

    final public const COSE_HASH_MAP = [
            self::COSE_ALGORITHM_ES256K => 'sha256',
            self::COSE_ALGORITHM_ES256 => 'sha256',
            self::COSE_ALGORITHM_ES384 => 'sha384',
            self::COSE_ALGORITHM_ES512 => 'sha512',
            self::COSE_ALGORITHM_RS256 => 'sha256',
            self::COSE_ALGORITHM_RS384 => 'sha384',
            self::COSE_ALGORITHM_RS512 => 'sha512',
            self::COSE_ALGORITHM_PS256 => 'sha256',
            self::COSE_ALGORITHM_PS384 => 'sha384',
            self::COSE_ALGORITHM_PS512 => 'sha512',
            self::COSE_ALGORITHM_RS1 => 'sha1',
        ];

    public static function getOpensslAlgorithmFor(int $algorithmIdentifier): int
    {
        if (! array_key_exists($algorithmIdentifier, self::COSE_ALGORITHM_MAP)) {
            throw new InvalidArgumentException('The specified algorithm identifier is not supported');
        }

        return self::COSE_ALGORITHM_MAP[$algorithmIdentifier];
    }

    public static function getHashAlgorithmFor(int $algorithmIdentifier): string
    {
        if (! array_key_exists($algorithmIdentifier, self::COSE_HASH_MAP)) {
            throw new InvalidArgumentException('The specified algorithm identifier is not supported');
        }

        return self::COSE_HASH_MAP[$algorithmIdentifier];
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjczNzMwNDI0ODc0MjcwIDY5NDQ4MzMxOTk5NTk1MzkgNjQxMDQzNjk1ODAzMTkwOQ==