ParagonIE_Sodium_Compat::crypto_sign_publickey( string $keypair ): string

3151    public static function crypto_sign_publickey(3152        #[\SensitiveParameter]3153        $keypair3154    ) {3155        /* Type checks: */3156        ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);3157 3158        /* Input validation: */3159        if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) {3160            throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.');3161        }3162 3163        if (self::useNewSodiumAPI()) {3164            return sodium_crypto_sign_publickey($keypair);3165        }3166        if (self::use_fallback('crypto_sign_publickey')) {3167            return (string) call_user_func('\\Sodium\\crypto_sign_publickey', $keypair);3168        }3169        if (PHP_INT_SIZE === 4) {3170            return ParagonIE_Sodium_Core32_Ed25519::publickey($keypair);3171        }3172        return ParagonIE_Sodium_Core_Ed25519::publickey($keypair);3173    }