Crypto - adeptex/CTF GitHub Wiki

• AESCipher.py
• Python cryptography cheatsheet
• Transposition Ciphers

GPG

gpg -c -o a.enc file.txt
gpg -d -o file.txt a.enc

SageMath

Installing SageMath on Debian-based Linux (source)

sudo apt install -y automake bc binutils bzip2 ca-certificates cliquer cmake curl ecl eclib-tools fflas-ffpack flintqs g++ gengetopt gfan gfortran git glpk-utils gmp-ecm lcalc libatomic-ops-dev libboost-dev libbraiding-dev libbz2-dev libcdd-dev libcdd-tools libcliquer-dev libcurl4-openssl-dev libec-dev libecm-dev libffi-dev libflint-dev libfreetype-dev libgc-dev libgd-dev libgf2x-dev libgiac-dev libgivaro-dev libglpk-dev libgmp-dev libgsl-dev libhomfly-dev libiml-dev liblfunction-dev liblrcalc-dev liblzma-dev libm4rie-dev libmpc-dev libmpfi-dev libmpfr-dev libncurses-dev libntl-dev libopenblas-dev libpari-dev libpcre3-dev libplanarity-dev libppl-dev libprimesieve-dev libpython3-dev libqhull-dev libreadline-dev librw-dev libsingular4-dev libsqlite3-dev libssl-dev libsuitesparse-dev libsymmetrica2-dev zlib1g-dev libzmq3-dev libzn-poly-dev m4 make nauty openssl palp pari-doc pari-elldata pari-galdata pari-galpol pari-gp2c pari-seadata patch perl pkg-config planarity ppl-dev python3-setuptools python3-venv r-base-dev r-cran-lattice singular sqlite3 sympow tachyon tar tox xcas xz-utils

git clone --depth 1 --branch master https://github.com/sagemath/sage.git
cd sage
make configure
./configure
make -j8