Skip to content

Instantly share code, notes, and snippets.

View kepocnhh's full-sized avatar

Stanley Wintergreen kepocnhh

View GitHub Profile
@kepocnhh
kepocnhh / openssl_sign.sh
Last active November 24, 2025 12:09
Private key -> csr -> certificate -> public key -> CA-Signed Certificate -> pkcs12
# Ecrypted 4096-bit RSA private key
openssl genrsa -des3 -out foo.key 4096
# How to Decrypt an RSA Private Key Using OpenSSL
# openssl rsa -in .excluded/rsa/foo.key.encrypted -out .excluded/rsa/foo.key.decrypted
# Certificate Signing Request by private key
openssl req -key foo.key -new -out foo.csr
# We can also create both the private key and CSR with a single command
# openssl req -newkey rsa:4096 -keyout foo.key -out foo.csr
@maximtereshchenko
maximtereshchenko / generate-tls-certificates.sh
Created December 5, 2021 13:51
Generate tls certificates, keystore, truststore for Spring Boot
#!/usr/bin/env bash
CA_PRIVATE_KEY='CA-private-key.key'
CA_SUBJECT='/CN=Certificate authority/'
CA_CERTIFICATE_SIGNING_REQUEST='CA-certificate-signing-request.csr'
CA_SELF_SIGNED_CERTIFICATE='CA-self-signed-certificate.pem'
SERVER_PRIVATE_KEY='Server-private-key.key'
SERVER_SUBJECT='/CN=localhost/'
SERVER_CERTIFICATE_SIGNING_REQUEST='Server-certificate-signing-request.csr'
SERVER_CERTIFICATE='Server-certificate.pem'
@Hakky54
Hakky54 / openssl_commands.md
Last active December 9, 2025 10:34 — forked from p3t3r67x0/openssl_commands.md
OpenSSL Cheat Sheet

OpenSSL Cheat Sheet πŸ”

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl
@stefanbuck
stefanbuck / upload-github-release-asset.sh
Last active October 23, 2025 10:14
Script to upload a release asset using the GitHub API v3.
#!/usr/bin/env bash
#
# Author: Stefan Buck
# License: MIT
# https://gist.github.com/stefanbuck/ce788fee19ab6eb0b4447a85fc99f447
#
#
# This script accepts the following parameters:
#
# * owner
@rxaviers
rxaviers / gist:7360908
Last active December 12, 2025 08:27
Complete list of github markdown emoji markup

People

:bowtie: :bowtie: πŸ˜„ :smile: πŸ˜† :laughing:
😊 :blush: πŸ˜ƒ :smiley: ☺️ :relaxed:
😏 :smirk: 😍 :heart_eyes: 😘 :kissing_heart:
😚 :kissing_closed_eyes: 😳 :flushed: 😌 :relieved:
πŸ˜† :satisfied: 😁 :grin: πŸ˜‰ :wink:
😜 :stuck_out_tongue_winking_eye: 😝 :stuck_out_tongue_closed_eyes: πŸ˜€ :grinning:
πŸ˜— :kissing: πŸ˜™ :kissing_smiling_eyes: πŸ˜› :stuck_out_tongue:
@scotttam
scotttam / Decrypter.java
Created March 17, 2011 14:37
encrypt and decrypt with PBKDF2/SHA1 and AES
import javax.crypto.Cipher;
import java.security.spec.KeySpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import javax.crypto.SecretKeyFactory;
import java.security.AlgorithmParameters;
import javax.crypto.spec.IvParameterSpec;
public class Decrypter {