Gonzalo José Carracedo Carballal Twitter - Blog - Public Key

Education

Universidad Complutense de Madrid (Madrid)

Since 2019 Master's Degree in Astrophysics (Máster en Astrofísica)

In progress, aiming to acquire practical knowledge on radioastronomy and radioastronomical instrumentation. Planned to finish in June 2021.

École Centrale Paris - ENSTA - INSTN - Maison de la Simulation

2012-2013 Master's degree in Modelization and Simulation (Master M2S Modélisation et Simulation), via Erasmus scholarship

• 60 ECTS credits
• Modelization of wave propagation
• Problem decoupling for distributed computing
• Optimization without gradient
• Plasma physics and astrophysics
• Scientific computing

Universidade de Santiago de Compostela

2011-2012 Master's degree in Mathematical Engineering (Máster en Ingeniería Matemática)

• 90 ECTS credits (60 ECTS first year, 30 ECTS second year)
• Numerical methods
• Finite Elements Method for Partial Derivative Equations (PDE)
• Mathematical methods for Electromagnetism
• Parallel calculus, distributed computing

Universidade da Coruña

2007-2011 Technical Engineering in Computer Systems (Ingeniería técnica en informática de sistemas)

• 227.5 ECTS credits
• Final project: Predictor system for Earth ionosphere reflectivity conditions and HF propagation (Sistema de predicción de las condiciones de reflectividad de la ionosfera terrestre y propagación en HF). Sources here.
• Covered fields: Artificial Intelligence and cognitive science, Operating Systems, Computer Security, Computer Graphics and User Interfaces, Network management.

Additional education

Universidad Nacional de Educación a Distancia (UNED)

Since 2017 Degree in Physics (Grado en Física)

Individual subjects coursed in my spare time, aiming to deepen my knowledge on wave propagantion and astrophysics.

Courses and trainings

• March 2014: CORELAN Training - Win32 Exploit Development Bootcamp (in RootedCON 2014)

Certifications and licenses

• July 2017: Spanish amateur radio operator license (callsign EA1IYR)

Working experience

• 2017-now: Innovation Advisor at Tarlogic Security
• 2015-2016: Software Engineer at Real Time Innovations
• 2013-2014: Junior Pentester at Tarlogic Security
• Developer of Acarus APT
• 2013: Internship at INRIA: wave propagation task for project Iodissee. Report (in French) can be downloaded here.

Awards

• Extraordinary Award by Universidade da Coruña
• Xtrelan 2011's Hackcontest first place award
• 7th position in DEFCON 18 CTF quals (as a member of painsec)

Events and talks

• As teacher: RootedLab - Introduction to Reverse Engineering (Spanish, Introducción a la Ingeniería Inversa). 8h course.
• As member of the Organizer Committee: STARcon 2018, The Scientific and Technical Amateur Radio Congress.
  • Sponsored talk: Demodulating digital signals with Suscan (Spanish, Demodulando señales digitales con Suscan). Talk recording available in YouTube at https://www.youtube.com/watch?v=ks9uhtMBkUg
• As speaker: RootedCON 2019 - Introduction to the reverse engineering of radio signals (Spanish, Introducción a la ingeniería inversa de señales de radio).
• As guest speaker of the IEEE student branch of the UNPSJB: Reverse engineering of radioelectrical signals (Spanish, Ingeniería Inversa de Señales Radioeléctricas).
• As speaker: RootedCON 2020 - The joy of bugging Smart Meters

Publications

• Building a composite video source from a Renesas Demonstration Kit YRDKRX62N (Spanish) old blog entry
• Linux binary infection (Spanish, Infección de ejecutables en Linux), collaboration for SecurityByDefault.
  • Chapter 1: http://www.securitybydefault.com/2012/04/infeccion-de-ejecutables-en-linux-elf-y.html
  • Chapter 2: http://www.securitybydefault.com/2012/04/infeccion-de-ejecutables-en-linux.html
  • Chapter 3: http://www.securitybydefault.com/2012/05/infeccion-de-ejecutables-en-linux.html
  • Chapter 4: http://www.securitybydefault.com/2012/08/infeccion-de-ejecutables-en-linux.html
  • Chapter 5: http://www.securitybydefault.com/2012/08/infeccion-de-ejecutables-en-linux_8.html
  • Chapter 6: http://www.securitybydefault.com/2013/01/infeccion-de-ejecutables-en-linux.html
• Building a homemade radiotelescope to survey the hydrogen line of the Milky Way (Spanish):
  • Page 1: Un radiotelescopio para el verano (HicRhodus, backup)
  • Page 2: Un radiotelescopio para el verano (HicRhodus, backup)
  • Page 3: Un radiotelescopio para el verano (HicRhodus, backup)
• Building a DIY radiotelescope for Cas A observations in 4 GHz (English):
  • Part 1: Amateur radioastronomy in 4 GHz (I)
  • Part 2: Amateur radioastronomy in 4 GHz (II)
• Additional articles can be found in my personal blog.

Languages

• Spanish (native language)
• Galician (native language)
• English (TOEFL iBT 95/120)
• French (DELF B2)

Computer knowledge

• General purpose languages: C ninja, fluent in C++, Java and Python
• Math languages: Matlab, Fortran, Lua (Torch)
• Assembly languages: x86, x86_64, expertise in ARM, Aarch64 and MIPS
• Web languages: HTML, XML, CSS, PHP, JavaScript
• Operating systems: GNU/Linux, Sun Solaris, *BSD and Unix in general, Microsoft Windows
• Build systems: CMake, autotools

Current projects (GitHub)

• SigDigger: A free digital signal analyzer, graphical front-end for Suscan
• Suscan: DSP library built on top of siguils to perform blind channel analysis
• Sigutils: small DSP library
• QStones: Automatic meteor detector using GRAVES as a bistatic radar
• sndlink: newtork bridge using the soundcard
• Vix, the Visual Interface heXadecimal dump
• Atomik Microkernel
• OpenGL 2D PDE solver via Finite Elements
• HNNet: the Hackable Neural Network library in Lua/Torch
• pbot: customizable IRC bot
• projectman: an extensible project tree structure generator in C