paranlee

Symmetic encryption

For symmetic encryption, you can use the following:

To encrypt:

openssl aes-256-cbc -salt -a -e -in plaintext.txt -out encrypted.txt

To decrypt:

paranlee

# references:
#   Learning by doing: Writing your own traceroute in 8 easy steps (Ksplice Blog)
#   https://blogs.oracle.com/ksplice/entry/learning_by_doing_writing_your

# Edited by: Alejandro Almira <laboral at alejandroalmira.com>

import datetime
import socket
import sys

paranlee

# Generate ed25519 privkey
openssl genpkey -algorithm ed25519 -out privkey.pem
# export its pubkey
openssl pkey -in privkey.pem -pubout -out pubkey.pem

# Generate RSA privkey
openssl genrsa -des3 -out private.pem 2048
# export its pubkey
openssl rsa -in private.pem -outform PEM -pubout -out public.pem