-
Recent Posts
Archives
Links
Tags
- AES256
- AJAX
- antivirus
- backup
- BSD
- CGI
- ClamAV
- commandline
- CSS
- dmz
- ECDSA
- Elliptic Curve
- encryption
- firewall
- FreeBSD
- gateway
- HTML
- HTTP
- ImageMagick
- image processing
- IT Security
- Javascript
- Linux
- logfiles
- Mac OS X
- NSA
- OpenSSL
- Passwords
- PF
- Photography
- PHP
- PKI
- Privacy
- RSA
- SHA512
- smtp
- syslog
- Tcl/Tk
- tcpdump
- TLS
- unix
- wget
- Windows
- Wireshark
January 2021 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Tag Archives: Windows
Using Elliptic Curve with an OpenSSL PKI
OpenSSL is a tool that can be used to setup a (simple) PKI, but in its most basic form a command line tool with an endless amount of options. I find myself searching for the correct syntax of OpenSSL to … Continue reading
Posted in Crypto, IT Security, Shell script
Tagged AES256, Apache, CA, commandline, ECDSA, Elliptic Curve, encryption, IT Security, OpenSSL, PKI, RSA, SHA512, TLS, unix, Windows
Comments Off on Using Elliptic Curve with an OpenSSL PKI
Resizing multiple images
I’m sure there are easier ways, and better I assume, to reduce the size of multiple images at once. But there was some point in time where I couldn’t resist the urge of solving this myself using ImageMagick and Tcl/Tk. … Continue reading
Posted in Image processing, Shell script
Tagged commandline, image processing, ImageMagick, Linux, Mac OS X, Photography, Tcl/Tk, Windows
Comments Off on Resizing multiple images